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Acute phase proteins, hematological and serum biochemical profiles of female dogs in diestrus, mucometra and pyometra proteins diestrus
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Friolani, M.
; Santana, A.M.
; Voorwald, F. A.
; Almeida, L.A.
; Padilha-Nakaghi, L.C.
; Silva, D.G.
; Costa, I.B.
; Fagliari, J.J.
; Toniollo, G.H.
.
Arquivo Brasileiro de Medicina Veterinária e Zootecnia
- Métricas do periódico
ABSTRACT Blood samples from 200 female dogs divided into 6 groups (diestrus, mucometra, pyometra) were evaluated, with the pyometra group categorized according to the ASA classification (American Society of Anesthesiologists), that is, from ASA II to V, totaling six groups. Aiming to analyze the acute phase proteins (APP), hematological and serum biochemical profiles of the female dogs in the study, establishing the differential diagnosis and prognosis according to the group. The SDS-PAGE method was used for protein fractionation, complete blood count using an automated hematological analyzer and histogram, biochemical tests performed using a semi-automatic spectrophotometer and measurement of serum concentrations of sodium and ionic calcium using the selective ion method. The results showed that female dogs with pyometra categorized in the ASA II to V classification revealed biochemical alterations between the study groups, as well as the acute phase proteins, presented variations according to the systemic involvement, degree of inflammatory response and ASA classification of the female dogs with pyometra, in which ceruloplasmin (p=0.07) and transferrin (p=0.07) did not show statistical significance, but showed an increase in their concentration according to the inflammatory evolution, albumin (p<0.0001), IgGCP (p <0.0001), haptoglobin (p<0.0001), alpha acid glycoprotein (p<0.0001), IgGCL (p<0.0001) and the one identified by its atomic weight 23,000 Da (p=0.0031), enabling the assessment of the acute phase response and aiding in the early detection of the systemic inflammatory response and better therapeutic guidance for the patient. 20 diestrus, diestrus (diestrus mucometra evaluated American Anesthesiologists, Anesthesiologists , Anesthesiologists) is APP, APP (APP) SDSPAGE SDS PAGE fractionation histogram semiautomatic semi automatic involvement p=0.07 p007 p 0 07 (p=0.07 significance evolution p<0.0001, p00001 p<0.0001 0001 <0.0001, 00001 <0.0001 <0.0001) (p<0.0001 23000 23 000 23,00 p=0.0031, p00031 p=0.0031 0031 (p=0.0031) patient 2 (APP p=0.0 p00 (p=0.0 p0000 p<0.000 0000 <0.000 (p<0.000 2300 00 23,0 p0003 p=0.003 003 (p=0.0031 p=0. p0 (p=0. p000 p<0.00 <0.00 (p<0.00 230 23, p=0.00 (p=0.003 p=0 (p=0 p<0.0 <0.0 (p<0.0 (p=0.00 p= (p= p<0. <0. (p<0. p<0 <0 (p<0 p< < (p<
RESUMO Foram avaliadas amostras de sangue de 200 cadelas, divididas em seis grupos (diestro, mucometra, piometra), sendo o grupo piometra categorizado de acordo com a classificação ASA (American Society of Anesthesiologists), ou seja, de ASA II a V, totalizando seis grupos. O objetivo deste estudo foi analisar as proteínas de fase aguda (APP), os perfis hematológicos e bioquímicos séricos das cadelas do estudo, estabelecendo-se o diagnóstico diferencial e o prognóstico de acordo com o grupo. O método SDS-PAGE foi utilizado para fracionamento de proteínas. Foi feito hemograma completo com analisador hematológico automático e histograma, exames bioquímicos com espectrofotômetro semiautomático e medição das concentrações séricas de sódio e cálcio iônico pelo método de íons seletivos. Os resultados mostraram que cadelas com piometra categorizadas na classificação ASA II a V revelaram alterações bioquímicas entre os grupos de estudo, assim como as proteínas de fase aguda apresentaram variações de acordo com o envolvimento sistêmico, o grau de resposta inflamatória e a classificação ASA das cadelas com piometra, nas quais a ceruloplasmina (P=0,07) e a transferrina (P=0,07) não apresentaram significância estatística, mas apresentaram aumento em sua concentração conforme a evolução inflamatória, albumina (P<0,0001), IgGCP (P<0,0001 ), haptoglobina (P<0,0001), glicoproteína alfa ácida (P<0,0001), IgGCL (P<0,0001) e aquela identificada pelo seu peso atômico 23.000 Da (P=0,0031), o que possibilitou a avaliação da resposta de fase aguda e auxiliou na detecção precoce da resposta inflamatória sistêmica e na melhor orientação terapêutica para o paciente. 20 diestro, diestro (diestro mucometra , piometra) American Anesthesiologists, Anesthesiologists Anesthesiologists) seja APP, APP (APP) estabelecendose estabelecendo se SDSPAGE SDS PAGE histograma seletivos sistêmico P=0,07 P007 P 0 07 (P=0,07 estatística P<0,0001, P00001 P<0,0001 0001 (P<0,000 ) 23000 23 000 23.00 P=0,0031, P00031 P=0,0031 0031 (P=0,0031) paciente 2 (APP P=0,0 P00 (P=0,0 P0000 P<0,000 (P<0,00 2300 00 23.0 P0003 P=0,003 003 (P=0,0031 P=0, P0 (P=0, P000 P<0,00 (P<0,0 230 23. P=0,00 (P=0,003 P=0 (P=0 P<0,0 (P<0, (P=0,00 P= (P= P<0, (P<0 (P P<0 (P< P<
2.
Correlation of malondialdehyde concentration with cardiac parameters of different stages of chronic mitral valve disease in dogs
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Arquivo Brasileiro de Medicina Veterinária e Zootecnia
- Métricas do periódico
ABSTRACT Malondialdehyde (MDA) is a biomarker of oxidative metabolism, released under situations such as the stretching of atrial myocytes, a fact related to the development of chronic mitral valve disease (MVD) in dogs. This study aimed to evaluate the serum concentration of MDA in dogs at different stages of MVD and correlate it with echocardiographic and radiographic parameters referring to cardiomegaly signs. Thirty-seven dogs were divided into four stages of the disease: GA (n=10), GB1 (n=10), GB2 (n=9), and GC (n=8), following the criteria of the American College of Veterinary Internal Medicine (ACVIM). Blood was collected by jugular puncture and then the serum was frozen for later measurement of MDA concentration by the spectrophotometry technique. No difference was found in MDA concentration between groups despite the presence of cardiac remodeling in dogs at advanced stages of MVD. Moreover, no significant relationship was observed between MDA values and the studied cardiovascular parameters. Serum MDA showed no variation throughout MVD development even with evidence of its release, with no possibility of demonstrating the relationship between its concentration and the cardiovascular alterations caused by the disease in dogs. (MDA metabolism myocytes (MVD signs Thirtyseven Thirty seven n=10, n10 n n=10 , 10 (n=10) GB n=9, n9 n=9 9 (n=9) n=8, n8 n=8 8 (n=8) ACVIM. ACVIM . (ACVIM) technique Moreover release n1 n=1 1 (n=10 n= (n=9 (n=8 (ACVIM (n=1 (n= (n
RESUMO Malondialdeído (MDA) é um biomarcador do metabolismo oxidativo, liberado em situações como o estiramento dos miócitos atriais, fato este relacionado ao desenvolvimento da doença valvar mitral crônica (DVM) em cães. O objetivo deste trabalho foi avaliar as concentrações séricas de MDA em cães com diferentes estágios de DVM e correlacionar esses resultados com parâmetros ecocardiográficos e radiográficos referentes aos sinais de cardiomegalia. Foram utilizados 37 cães, divididos em quatro estágios da doença: GA (n=10), GB1 (n=10), GB2 (n=9) e GC (n=8), de acordo com os critérios do Colégio Americano de Medicina Interna Veterinária (ACVIM). O sangue foi colhido por venopunção jugular, sendo então o soro congelado para posterior mensuração da concentração de MDA pela técnica de espectrofotometria. Apesar da presença de remodelamento cardíaco nos cães em estágios avançados de DVM, não houve diferenças entre as concentrações de MDA entre os grupos. Além disso, não houve relação significativa dos valores de MDA com os parâmetros cardiovasculares estudados. Mesmo havendo evidências de suas liberações, o MDA sérico não varia ao longo do desenvolvimento da DVM e suas concentrações não estão relacionadas às alterações cardiovasculares provocadas pela doença em cães. (MDA oxidativo atriais (DVM cardiomegalia 3 n=10, n10 n n=10 , 10 (n=10) GB n=9 n9 9 (n=9 n=8, n8 n=8 8 (n=8) ACVIM. ACVIM . (ACVIM) jugular espectrofotometria grupos disso estudados liberações n1 n=1 1 (n=10 n= (n= (n=8 (ACVIM (n=1 (n
3.
Growth of breast muscles in European and Japanese quail raised in meat production system: a morphological analysis system
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FIGUEROA, CHRISTIAN D.N.
; CRUZ, FLAVIA K.
; KANEKO, ISABELLE N.
; BASAGLIA, RODRIGO A.
; OLIVEIRA, CARLOS A.L.
; ALMEIDA, FERNANDA L.A.
; SANTOS, TATIANA C.
.
Anais da Academia Brasileira de Ciências
- Métricas do periódico
Abstract Growth curves have been described in the quail but with no attention to the muscle composing of the breast. The description of the characteristics of growth curves to body weight and to breast muscle was the aim of this study. Morphological development of Musculus supracoracoideus and Musculus pectoralis in European and Japanese quail was assessed from the final incubation of to 35 days. Gompertz models were adjusted with maximum growth rates to body weight, breast weight, and Musculus pectoralis and supracoracoideus weight at 17.6; 22.2; 23.5, and 21.4 days. The European quail had a higher body and breast weight at maturity. Musculus supracoracoideus developed faster in both subspecies but with larger Musculus pectoralis. Both musculus had a greater number of fibers type IIA and largest fibers IIB, with quadratically increasing in fiber diameter with age in both subspecies and muscles. At 35 days, results of meat quality indicated similarity between genders and subspecies, with darker and redness breast meat in Japanese quail. In conclusion, breast weight gain was a result of type IIA and IIB fiber hypertrophy in both muscles and, despite the difference in size and aptitude, Japanese and European quail showed similar body and muscle growth patterns. study 3 days 17.6 176 17 6 22.2 222 22 2 235 23 5 23.5 214 21 4 21. maturity conclusion aptitude patterns 17. 1 22. 23.
4.
Schinus terebinthifolia Raddi leaf lectin is an antiangiogenic agent for Coturnix japonica embryos
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SANTOS, ARDILLES J.C.A.
; ARAÚJO, VICTOR F.S.
; FRANÇA, RAYSSA P.M.
; SILVA, EVA L.A.
; ALMEIDA, WELTON A.
; PROCÓPIO, THAMARA F.
; PAIVA, PATRÍCIA M.G.
; NAPOLEÃO, THIAGO H.
; COSTA, EDBHERGUE V.L.
; NOGUEIRA, ROMILDO A.
; PONTUAL, EMMANUEL V.
.
Anais da Academia Brasileira de Ciências
- Métricas do periódico
Abstract Angiogenesis (budding of new blood vessels) is involved in several processes, including the development of embryos and growth of tumors. Schinus terebinthifolia leaves express an antitumor lectin (SteLL). This work hypothesized that SteLL can interfere with the formation of a vascular network from preexisting vessels. To test this hypothesis, the effect of SteLL on the angiogenesis process was assessed using an in vivo model of yolk sac membrane of Coturnix japonica embryos. SteLL was isolated with purification factor of 46.6. As expected, polyacrylamide gel electrophoresis (PAGE) for native basic proteins confirmed the homogeneity and PAGE in presence of dodecyl sodium sulphate revealed a single 14-kDa polypeptide band. The fractal analysis by box counting and information dimension measurements indicated that SteLL at 1.35 mg/mL significantly decreased by ca. 12% the angiogenesis within the C. japonica yolk sac membrane regarding the control. The inhibition of the vascular network formation in the yolk sac membrane resulted in decreased blood supply to the embryos. Consequently, the area of embryos was significantly reduced by 9.2% regarding the control, which corroborated with the antiangiogenic activity of SteLL. The findings implicate SteLL as an antiangiogenic agent and add to the panel of biological activities of this lectin.
5.
Multisystem inflammatory syndrome in children (MIS-C) during SARS-CoV-2 pandemic in Brazil: a multicenter, prospective cohort study
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Lima-Setta, Fernanda
; Magalhães-Barbosa, Maria Clara de
; Rodrigues-Santos, Gustavo
; Figueiredo, Elaine Augusta das Neves
; Jacques, Melissa de Lorena
; Zeitel, Raquel de Seixas
; Sapolnik, Roberto
; Borges, Cibelle Teixeira da Siva
; Lanziotti, Vanessa Soares
; Castro, Roberta Esteves Vieira de
; Bellinat, Ana Paula Novaes
; Silva, Thiago Peres da
; Oliveira, Felipe Rezende Caino de
; Reis, Bárbara Carvalho Santos dos
; Castro, Natália Almeida de Arnaldo Silva Rodriguez
; Macedo, João Henrique Garcia Cobas
; Scarlato, Ana Carolina Cabral Pinheiro
; Riveiro, Paula Marins
; Mota, Isabele Coelho Fonseca da
; Lorenzo, Vivian Botelho
; Lucena, Natalia Martins Lima de
; Azevedo, Zina Maria Almeida de
; Cunha, Antonio José L.A.
; Prata-Barbosa, Arnaldo
.
Abstract Objective To describe the clinical, laboratory, and radiological characteristics, as well as the outcomes of children with MIS-C. Method Multicenter, prospective cohort study, conducted in 17 pediatric intensive care units in five states in Brazil, from March to July 2020. Patients from 1 month to 19 years who met the MIS-C diagnostic criteria were included consecutively. Results Fifty-six patients were included, with the following conditions: Kawasaki-like disease (n = 26), incomplete Kawasaki disease (n = 16), acute cardiac dysfunction (n = 10), toxic shock syndrome (n = 3), and macrophage activation syndrome (n = 1). Median age was 6.2 years (IQR 2.4−10.3), 70% were boys, 59% were non-whites, 20% had comorbidities, 48% reported a contact with COVID-19 cases, and 55% had a recent SARS-CoV-2 infection confirmed by RT-PCR and/or serology. Gastrointestinal symptoms were present in 71%, shock symptoms in 59%, and severe respiratory symptoms in less than 20%. -Dimer was increased in 80% and cardiac dysfunction markers in more than 75%. Treatment included immunoglobulin (89%); corticosteroids, antibiotics, and enoxaparin in about 50%; and oseltamivir and antifungal therapy in less than 10%. Only 11% needed invasive mechanical ventilation, with a median duration of five days (IQR 5–6.5). The median length of PICU stay was six days (IQR 5–11), and one death occurred (1.8%). Conclusions Most characteristics of the present MIS-C patients were similar to that of other cohorts. The present results may contribute to a broader understanding of SARS-CoV-2 infection in children and its short-term consequences. Long-term multidisciplinary follow-up is needed, since it is not known whether these patients will have chronic cardiac impairment or other sequelae.
https://doi.org/10.1016/j.jped.2020.10.008
281 downloads
6.
Antiviral activity of Brazilian Green Propolis extract against SARS-CoV-2 (Severe Acute Respiratory Syndrome - Coronavirus 2) infection: case report and review
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Fiorini, Ana C.
; Scorza, Carla A.
; de Almeida, Antonio-Carlos G.
; Fonseca, Marcelo C.M.
; Finsterer, Josef
; Fonseca, Fernando L.A.
; Scorza, Fulvio A.
.
https://doi.org/10.6061/clinics/2021/e2357
3461 downloads
7.
Evaluation of platelet-rich plasma gel as an angiogenesis-inducing agent in canineadvancement skin flaps
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Aleixo, Grazielle A.S.
; Coelho, Maria C.O.C.
; Almeida, Telga L.A.
; Pereira, Márcia F.
; Teixeira, Miriam N.
; Andrade, Lilian S.S.
; Bessa, Ana Luiza N.G.
; Evêncio-Neto, Joaquim
.
RESUMO: Objetivou-se com o presente artigo avaliar a ação angiogênica do gel de plasma rico em plaquetas (PRP) em flapes cutâneos de avanço em animais da espécie canina, visando aumentar a viabilidade da pele após o procedimento, uma vez que existem relatos de que o produto é um potente estimulador da angiogênese. O grupo experimental foi composto por oito cadelas adultas, onde foram confeccionados dois flapes de avanço (de padrão subdérmico) na região abdominal ventral. Em um dos flapes, considerado controle (FC) não foi aplicado nenhum produto, enquanto que no flape contralateral, denominado tratado (FT), foi usado o gel de PRP. As áreas foram macroscopicamente avaliadas a cada dois dias até o 7º dia de pós-operatório em relação à coloração da pele e presença de área de necrose, e com 10 dias ambos os flapes foram coletados por biópsia e submetidos ao exame histológico e morfometria dos vasos sanguíneos. Os vasos contados em cada grupo foram estatisticamente analisados pelo teste de F ao nível de 1% de probabilidades. Os resultados demonstraram que não houve diferença significativa nas alterações macroscópicas das feridas e na morfometria vascular dos FC e FT, sugerindo dessa maneira que dentro das condições experimentais nas quais a pesquisa foi executada, que o gel de PRP não incrementou a angiogênese de flapes de avanço em cadelas.
ABSTRACT: This work aimed to evaluate the effect of platelet-rich plasma (PRP) on advancement skin flaps in dogs regarding improvement of vascularization, with focus on increasing its viable area, since there are reports that it is a potential angiogenesis stimulator. The experimental group was composed of eight adult bitches, in which two advancement skin flaps were made in the ventral abdominal region. No product was applied in the control flap (CF), while PRP was used in the contralateral flap, called treated flap (TF). The areas were clinically evaluated every two days until the 7th postoperative day regarding skin color and presence of necrosis. At 10 days, both flaps were removed and submitted to histological examination and blood vessel morphometry. The vessels counted in each group were statistically analyzed by the F-test at 1% probability. Results showed no significant difference in macroscopic changes in the wound, or CF and TF vascularization, thus suggesting that PRP gel did not improve advancement skin flap angiogenesis in bitches under the experimental conditions in which this research was developed.
https://doi.org/10.1590/1678-5150-pvb-6512
479 downloads
8.
Esporotricose em felinos domésticos (Felis catus domesticus) em Campos dos Goytacazes, RJ
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Almeida, Adriana J.
; Reis, Nathália F.
; Lourenço, Camila S.
; Costa, Nina Q.
; Bernardino, Maria L.A.
; Vieira-da-Motta, Olney
.
RESUMO: A esporotricose é uma micose subcutânea de evolução subaguda a crônica, causada pelo fungo dimórfico e geofílico Sporothrix schenckii. A transmissão zoonótica vem recebendo destaque, tendo os felinos domésticos um importante papel epidemiológico na doença. Este trabalho pesquisa teve como objetivo diagnosticar casos de esporotricose em felinos domésticos atendidos no município de Campos dos Goytacazes/RJ, bem como correlacionar os casos positivos com os sinais clínicos observados nos mesmos, assim como fatores de risco tais quais sexo, animais castrados ou não, dentre outras características. Foram utilizados 100 felinos domésticos, portadores de lesões cutâneas suspeitas de esporotricose, os quais passaram por avaliação clínica minuciosa e preenchimento de fichas individuais. As lesões foram então selecionadas para coleta de material em suabes estéreis e posterior análise laboratorial, através da citologia e cultura fúngica. Dos 100 animais analisados, 66 (66%) foram positivos para Sporothrix spp., sendo 46 (69,6%) machos não castrados, 15 (22,7%) fêmeas não castradas, 4 (6,06%) fêmeas castradas e 1 (1,5%) macho castrado, os quais 89,3% tinham acesso à rua. Quanto à topografia lesional e estado clínico dos animais, 43 (65,2%) apresentavam lesões focais e 23 (34,8%) lesões disseminadas, onde 21 (31,8%) vieram à óbito ou foram submetidos a eutanásia por opção do tutor. Com os resultados dos exames foi possível a adequada prescrição do protocolo terapêutico e acompanhamento de 40 animais (60,6%), e nos casos dos felinos encaminhados (7,5%), foi reportado ao médico veterinário responsável o respectivo diagnóstico para que este escolhesse sua conduta terapêutica.
ABSTRACT: Sporotrichosis is a subcutaneous mycosis of subacute to chronic evolution, caused by the dimorphic and geophilic fungus Sporothrix schenckii. The zoonotic transmission has been highlighted, with domestic cats having an important epidemiological role in the disease. This research aimed to diagnose cases of sporotrichosis in domestic cats treated in the city of Campos dos Goytacazes/RJ, as well as to correlate the positive cases with the clinical signs observed in them, as well as risk factors such as sex, castrated animals or not, among other characteristics. One hundred domestic felines were used, with skin lesions suspected of sporotrichosis, which underwent a thorough clinical evaluation and completion of individual files. The lesions were then selected for material collection in sterile swabs and subsequent laboratory analysis, through cytology and fungal culture. Of the 100 animals analyzed, 66 (66%) were positive for Sporothrix spp., Being 46 (69.6%) uncastrated males, 15 (22.7%) uncastrated females, 4 (6.06%) females castrated and 1 (1.5%) castrated male, 89.3% of whom had access to the street. Concerning the lesion topography and clinical status of the animals, 43 (65.2%) had focal lesions and 23 (34.8%) disseminated lesions, where 21 (31.8%) died or were submitted to euthanasia at the option of tutor. With the results of the exams, it was possible to adequately prescribe the therapeutic protocol and follow up of 40 animals (60.6%), and in the cases of the cats referred (7.5%), the respective veterinarian was informed of the respective diagnosis so that this To choose their therapeutic behavior.
https://doi.org/10.1590/1678-5150-pvb-5559
22245 downloads
9.
Going extinct before being discovered? New lichen fungi from a small fragment of the vanishing Atlantic Rainforest in Brazil
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Pereira, Thamires Almeida
; Passos, Paula de Oliveira
; Santos, Lidiane Alves dos
; Lücking, Robert
; Cáceres, Marcela Eugenia Da Silva
.
Resumo No âmbito de um inventário atual de liquens dos remanescentes da Mata Atlântica, no Nordeste do Brasil, cinco espécies novas de Graphidaceae foram descobertas em um pequeno fragmento florestal, Mata do Cipó, no estado de Sergipe, o menor estado do Brasil, o qual está entre aqueles com maior taxa de desmatamento no país. Uma nova espécie adicional já havia sido coletada no Panamá, anteriormente, e agora também foi encontrada na Mata do Cipó, e está sendo descrita aqui também. No total, 40 espécies de Graphidaceae são relatadas para este remanescente, incluindo um grande número de táxons indicadores de floresta bem preservada. As novas espécies são: Fissurina atlantica T.A. Pereira, M. Cáceres & Lücking, sp. nov., Graphis subaltamirensis Passos, M. Cáceres & Lücking, sp.nov., Ocellularia cipoensis L.A. Santos, M. Cáceres & Lücking, sp. nov., O. sosma T.A. Pereira, M. Cáceres & Lücking, sp. nov., O. submordenii Lücking, sp. nov. (também conhecido do Panamá), e Pseudochapsa aptrootiana M. Cáceres, T.A. Pereira & Lücking, sp. nov. Os achados são discutidos no contexto da forte fragmentação da Mata Atlântica, com remanescentes aparentemente servindo de refúgio para populações residuais de espécies raras de fungos liquenizados que, provavelmente, tiveram uma distribuição mais amplia no passado, mas que atualmente parecem ocorrer apenas em fragmentos isolados.
Abstract In the frame of an ongoing lichen inventory of Atlantic Rainforest remnants in Northeast Brazil, five new species of Graphidaceae were discovered in a small forest fragment, Mata do Cipó, in Sergipe state, the smallest state of Brazil and among those with the highest deforestation rate in the country. An additional new species had already been collected in Panama before and was now also found in the Mata do Cipó and is described here as well. In total, 40 species of Graphidaceae are reported for this remnant, including a large number of taxa indicative of well-preserved rainforest. The new species are: Fissurina atlantica T.A. Pereira, M. Cáceres & Lücking, sp. nov., Graphis subaltamirensis Passos, M. Cáceres & Lücking, sp. nov., Ocellularia cipoensis L.A. Santos, M. Cáceres & Lücking, sp. nov., O. sosma T.A. Pereira, M. Cáceres & Lücking, sp. nov., O. submordenii Lücking, sp. nov. (also known from Panama), and Pseudochapsa aptrootiana M. Cáceres, T.A. Pereira & Lücking, sp. nov. The findings are discussed in the context of the strong fragmentation of the Atlantic Rainforest, with individual remnants apparently serving as refugia for residual populations of rare species of lichen fungi that were more widely distributed in the past, but currently seem to occur only in isolated fragments.
https://doi.org/10.1590/1676-0611-bn-2017-0445
1612 downloads
10.
En busca de la afirmación: seguridad y BRICS en la gobernanza internacional
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Résumé: Le BRICS (c’est à dire le Brésil, la Russie, l’Inde, la Chine et l’Afrique du Sud) est passé, depuis sa naissance, par un processus qui a élargi son agenda pour les sommets internationaux; les sujets abordés dans ses déclarations ont augmenté de 16 à 77 entre 2009 et 2015. Notre recherche est axée sur les circonstances qui déterminent les affaires de sécurité du groupe. Selon les prémisses de l’école anglaise, l’importance croissante de ces affaires–là signale une volonté de s’affirmer, ainsi que le sentiment de pouvoir se transformer en acteur important de la gouvernance mondiale. Notre analyse a employé la méthode qualitative qui consiste à relever des mots clefs. Comme élément supplémentaire, nous avons eu recours au logiciel R, version 3.1.0. Cela nous a permis de confirmer, sur les plans quantitatif et qualitatif, une augmentation importante des sujets concernant la sécurité dans les déclarations issues des sommets, ce qui porte à croire que le BRICS se sent capable d’aborder les affaires les plus complexes de la gouvernance mondiale.
Since it was first identified, the BRICS group of countries (comprising Brazil, Russia, India, China and South Africa) has followed a process that has raised their agenda in high-level meetings of the states, as may be observed by the number of issues covered by declarations, which rose from 16 in 2009 to 77 in 2015. Hence, this paper examines the set of issues related to security in the group’s agenda. Based on the premises of the English School, it is observed that the increase in matters concerning security reflects a search for affirmation and the perception that this group can act as a fundamental player in international governance. This analysis employed the qualitative content method associated with counting keywords. As an auxiliary tool, it made use of the R software version 3.1.0. Finally, a significant quantitative and qualitative increase is observed on issues relating to security in high-level declarations, which suggests that the BRICS countries believe they are capable of managing the most delicate issues in international governance.
El grupo de los BRICS (formado por Brasil, Rusia, India, China y África del Sur) ha caminado, desde su nacimiento, por un proceso que ha ido incrementando su agenda en las reuniones de Cúpula de los estados, situación que puede comprobarse por el número de temas tratados en las declaraciones, que aumentaron de 16 a 77 en 2009 y 2015 respectivamente. De ahí que este artículo se dé a la tarea de investigar la coyuntura de los asuntos relacionados con la seguridad en la agenda del grupo. Con base en las premisas de la Escuela Inglesa, se observa que el aumento de los asuntos sobre seguridad refleja una búsqueda por la afirmación y la percepción de que este grupo puede fungir como player fundamental en la gobernanza internacional. Para el análisis, se utilizó el método cualitativo de contenido asociado con el conteo de palabras-clave. Como herramienta auxiliar, se utilizó el software R, versión 3.1.0. Al final, se observa un aumento significativo en lo cuantitativo y lo cualitativo de los temas relacionados con la seguridad en las declaraciones de Cúpula, lo que sugiere que el BRICS se piensa capaz de administrar los asuntos más delicados de la gobernanza internacional.
https://doi.org/10.24201/fi.v52i3.2450
1937 downloads
11.
A possible relationship between gluconeogenesis and glycogen metabolism in rabbits during myocardial ischemia
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AGUIAR, RAQUEL R. DE
; VALE, DANIELA F.
; SILVA, RENATO M. DA
; MUNIZ, YOLANDA P.
; ANTUNES, FERNANDA
; LOGULLO, CARLOS
; OLIVEIRA, ANDRÉ L.A.
; ALMEIDA, ADRIANA J. DE
.
Anais da Academia Brasileira de Ciências
- Métricas do periódico
ABSTRACT Ischemia is responsible for many metabolic abnormalities in the heart, causing changes in organ function. One of modifications occurring in the ischemic cell is changing from aerobic to anaerobic metabolism. This change causes the predominance of the use of carbohydrates as an energy substrate instead of lipids. In this case, the glycogen is essential to the maintenance of heart energy intake, being an important reserve to resist the stress caused by hypoxia, using glycolysis and lactic acid fermentation. In order to study the glucose anaerobic pathways utilization and understand the metabolic adaptations, New Zealand white rabbits were subjected to ischemia caused by Inflow occlusion technique. The animals were monitored during surgery by pH and lactate levels. Transcription analysis of the pyruvate kinase, lactate dehydrogenase and phosphoenolpyruvate carboxykinase enzymes were performed by qRT-PCR, and glycogen quantification was determined enzymatically. Pyruvate kinase transcription increased during ischemia, followed by glycogen consumption content. The gluconeogenesis increased in control and ischemia moments, suggesting a relationship between gluconeogenesis and glycogen metabolism. This result shows the significant contribution of these substrates in the organ energy supply and demonstrates the capacity of the heart to adapt the metabolism after this injury, sustaining the homeostasis during short-term myocardial ischemia.
https://doi.org/10.1590/0001-3765201720160773
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12.
Acaricidal activity of leaves of Morus nigra against the cattle tick Rhipicephalus microplus
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Dantas, A.C.S.
; Freire, D.P.
; Souza, G.R.
; Almeida, J.R.G.S.
; Rolim, L.A.
; Castro, R.N.
; Horta, M.C.
.
Arquivo Brasileiro de Medicina Veterinária e Zootecnia
- Métricas do periódico
RESUMO A atividade acaricida do extrato etanólico bruto e das frações das folhas de Morus nigra (Moraceae) foi avaliada no carrapato Rhipicephalus microplus, utilizando-se o teste de imersão de fêmeas ingurgitadas. Foram avaliadas a mortalidade e a fertilidade das fêmeas ingurgitadas, expostas a diferentes concentrações (5, 10 e 25 mg/mL) das frações hexânica, clorofórmica e acetato de etila, bem como do extrato etanólico. Os testes foram realizados em triplicata. O estudo também identificou os principais compostos fenólicos do extrato e das frações dessa espécie por HPLC. A fração clorofórmica das folhas de M. nigra (25mg/mL) apresentou o melhor resultado para essa espécie, obtendo-se 62,6% de inibição da oviposição, 39,3% da eclosão dos ovos e 65,4% de eficácia. A análise por HPLC revelou a presença de compostos fenólicos, os quais podem estar relacionados com a atividade biológica demonstrada pelos extratos, que podem ser utilizados como auxiliar no controle contra carrapato adulto de R. microplus.
ABSTRACT The acaricidal activity of crude ethanolic extract and fractions from the leaves of Morus nigra (Moraceae) was carried out on female cattle ticks Rhipicephalus microplus, using the adult immersion test. The mortality and fertility of females exposed to different concentrations of hexane, chloroform and ethyl acetate fractions, as well as ethanolic extract of M. nigra with concentrations of 5, 10 and 25mg/ml were evaluated using three treatment groups, two control groups and triplicate tests. The study also identified the main phenolic compounds of the extract and fractions of this species by HPLC. The chloroform fraction of leaves of M. nigra (25mg/mL) showed the best results for this species, obtaining 62.6% of inhibition of oviposition, 39.3% of eggs eclosion average and 65.4% of effectiveness. HPLC analysis revealed the presence of phenolic compounds, which may be related to biological activity shown by the extracts, which can be used as an alternative control against R. microplus adult tick.
https://doi.org/10.1590/1678-4162-8994
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13.
Inhibitory effect of the Pseudobrickellia brasiliensis (Spreng) R.M. King & H. Rob. aqueous extract on human lymphocyte proliferation and IFN-γ and TNF-α production in vitro
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Almeida, V.G.
; Avelar-Freitas, B.A.
; Santos, M.G.
; Costa, L.A.
; Silva, T.J.
; Pereira, W.F.
; Amorim, M.L.L.
; Grael, C.F.F.
; Gregório, L.E.
; Rocha-Vieira, E.
; Brito-Melo, G.E.A.
.
Brazilian Journal of Medical and Biological Research
- Métricas do periódico
Pseudobrickellia brasiliensis (Asteraceae) is a plant commonly known as arnica-do-campo and belongs to the native flora of the Brazilian Cerrado. The alcoholic extract of the plant has been used as an anti-inflammatory agent in folk medicine, but the biological mechanism of action has not been elucidated. The present study evaluated the composition of P. brasiliensis aqueous extract and its effects on pro-inflammatory cytokine production and lymphocyte proliferation. The extracts were prepared by sequential maceration of P. brasiliensis leaves in ethanol, ethyl acetate, and water. Extract cytotoxicity was evaluated by trypan blue exclusion assay, and apoptosis and necrosis were measured by staining with annexin V-FITC and propidium iodide. The ethanolic (ETA) and acetate (ACE) extracts showed cytotoxic effects. The aqueous extract (AQU) was not cytotoxic. Peripheral blood mononuclear cells stimulated with phorbol myristate acetate and ionomycin and treated with AQU (100 μg/mL) showed reduced interferon (IFN)-γ and tumor necrosis factor (TNF)-α expression. AQU also inhibited lymphocyte proliferative response after nonspecific stimulation with phytohemagglutinin. The aqueous extract was analyzed by liquid chromatography coupled with photodiode array detection and mass spectrometry. Quinic acid and its derivatives 5-caffeoylquinic acid and 3,5-dicaffeoylquinic acid, as well as the flavonoids luteolin and luteolin dihexoside, were detected. All these compounds are known to exhibit anti-inflammatory activity. Taken together, these findings demonstrate that P. brasiliensis aqueous extract can inhibit the pro-inflammatory cytokine production and proliferative response of lymphocytes. These effects may be related to the presence of chemical substances with anti-inflammatory actions previously reported in scientific literature.
https://doi.org/10.1590/1414-431x20175163
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14.
High-level phylogeographic structuring of Neoleucinodes elegantalis Guenée (Lepidoptera, Crambridae) in Brazil: an important tomato pest
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Maia, André V.P.
; Almeida, Cícero
; Santoro, Kleber R.
; Melo, João L.A.
; Oliveira, José V.
; Guedes, Raul N.C.
; Badji, César A.
.
ABSTRACT Neoleucinodes elegantalis is an important tomato pest in Brazil, occurring throughout the country and resulting in economic losses in agriculture. In several species, biogeographic studies in Brazil indicate the structuring of populations, following the refuge model, with a split between the populations of the northeast and the southeast regions of Brazil. The objective of this work was to analyze the phylogeography of N. elegantalis in Brazil, understanding its population structure and the demographic patterns. Larvae were collected from eight locations throughout Brazil, and the mitochondrial cytochrome c oxidase subunit 1 gene was analyzed. A total of 628 bp in 51 individuals were obtained, showing 12 haplotypes with a haplotype diversity of 0.836. Spatial analysis of molecular variance (SAMOVA) and cluster analysis showed two populations, indicating population structuring between individuals from the northeast (population 1) and southeast (population 2) regions of Brazil. Phylogenetic analysis indicated that the clades corresponding to the groups defined by SAMOVA have a divergence time of 0.2–0.5 million years, suggesting isolation during climatic events and a separation of the two populations coinciding with the predicted refuges to the Atlantic forest.
https://doi.org/10.1016/j.rbe.2016.03.004
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15.
Growing knowledge: an overview of Seed Plant diversity in Brazil
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Zappi, Daniela C.
; Filardi, Fabiana L. Ranzato
; Leitman, Paula
; Souza, Vinícius C.
; Walter, Bruno M.T.
; Pirani, José R.
; Morim, Marli P.
; Queiroz, Luciano P.
; Cavalcanti, Taciana B.
; Mansano, Vidal F.
; Forzza, Rafaela C.
; Abreu, Maria C.
; Acevedo-Rodríguez, Pedro
; Agra, Maria F.
; Almeida Jr., Eduardo B.
; Almeida, Gracineide S.S.
; Almeida, Rafael F.
; Alves, Flávio M.
; Alves, Marccus
; Alves-Araujo, Anderson
; Amaral, Maria C.E.
; Amorim, André M.
; Amorim, Bruno
; Andrade, Ivanilza M.
; Andreata, Regina H.P.
; Andrino, Caroline O.
; Anunciação, Elisete A.
; Aona, Lidyanne Y.S.
; Aranguren, Yani
; Aranha Filho, João L.M.
; Araújo, Andrea O.
; Araújo, Ariclenes A.M.
; Araújo, Diogo
; Arbo, María M.
; Assis, Leandro
; Assis, Marta C.
; Assunção, Vivian A.
; Athiê-Souza, Sarah M.
; Azevedo, Cecilia O.
; Baitello, João B.
; Barberena, Felipe F.V.A.
; Barbosa, Maria R.V.
; Barros, Fábio
; Barros, Lucas A.V.
; Barros, Michel J.F.
; Baumgratz, José F.A.
; Bernacci, Luis C.
; Berry, Paul E.
; Bigio, Narcísio C.
; Biral, Leonardo
; Bittrich, Volker
; Borges, Rafael A.X.
; Bortoluzzi, Roseli L.C.
; Bove, Cláudia P.
; Bovini, Massimo G.
; Braga, João M.A.
; Braz, Denise M.
; Bringel Jr., João B.A.
; Bruniera, Carla P.
; Buturi, Camila V.
; Cabral, Elza
; Cabral, Fernanda N.
; Caddah, Mayara K.
; Caires, Claudenir S.
; Calazans, Luana S.B.
; Calió, Maria F.
; Camargo, Rodrigo A.
; Campbell, Lisa
; Canto-Dorow, Thais S.
; Carauta, Jorge P.P.
; Cardiel, José M.
; Cardoso, Domingos B.O.S.
; Cardoso, Leandro J.T.
; Carneiro, Camila R.
; Carneiro, Cláudia E.
; Carneiro-Torres, Daniela S.
; Carrijo, Tatiana T.
; Caruzo, Maria B.R.
; Carvalho, Maria L.S.
; Carvalho-Silva, Micheline
; Castello, Ana C.D.
; Cavalheiro, Larissa
; Cervi, Armando C.
; Chacon, Roberta G.
; Chautems, Alain
; Chiavegatto, Berenice
; Chukr, Nádia S.
; Coelho, Alexa A.O.P.
; Coelho, Marcus A.N.
; Coelho, Rubens L.G.
; Cordeiro, Inês
; Cordula, Elizabeth
; Cornejo, Xavier
; Côrtes, Ana L.A.
; Costa, Andrea F.
; Costa, Fabiane N.
; Costa, Jorge A.S.
; Costa, Leila C.
; Costa-e-Silva, Maria B.
; Costa-Lima, James L.
; Cota, Maria R.C.
; Couto, Ricardo S.
; Daly, Douglas C.
; De Stefano, Rodrigo D.
; De Toni, Karen
; Dematteis, Massimiliano
; Dettke, Greta A.
; Di Maio, Fernando R.
; Dórea, Marcos C.
; Duarte, Marília C.
; Dutilh, Julie H.A.
; Dutra, Valquíria F.
; Echternacht, Lívia
; Eggers, Lilian
; Esteves, Gerleni
; Ezcurra, Cecilia
; Falcão Junior, Marcus J.A.
; Feres, Fabíola
; Fernandes, José M.
; Ferreira, D.M.C.
; Ferreira, Fabrício M.
; Ferreira, Gabriel E.
; Ferreira, Priscila P.A.
; Ferreira, Silvana C.
; Ferrucci, Maria S.
; Fiaschi, Pedro
; Filgueiras, Tarciso S.
; Firens, Marcela
; Flores, Andreia S.
; Forero, Enrique
; Forster, Wellington
; Fortuna-Perez, Ana P.
; Fortunato, Reneé H.
; Fraga, Cléudio N.
; França, Flávio
; Francener, Augusto
; Freitas, Joelcio
; Freitas, Maria F.
; Fritsch, Peter W.
; Furtado, Samyra G.
; Gaglioti, André L.
; Garcia, Flávia C.P.
; Germano Filho, Pedro
; Giacomin, Leandro
; Gil, André S.B.
; Giulietti, Ana M.
; A.P.Godoy, Silvana
; Goldenberg, Renato
; Gomes da Costa, Géssica A.
; Gomes, Mário
; Gomes-Klein, Vera L.
; Gonçalves, Eduardo Gomes
; Graham, Shirley
; Groppo, Milton
; Guedes, Juliana S.
; Guimarães, Leonardo R.S.
; Guimarães, Paulo J.F.
; Guimarães, Elsie F.
; Gutierrez, Raul
; Harley, Raymond
; Hassemer, Gustavo
; Hattori, Eric K.O.
; Hefler, Sonia M.
; Heiden, Gustavo
; Henderson, Andrew
; Hensold, Nancy
; Hiepko, Paul
; Holanda, Ana S.S.
; Iganci, João R.V.
; Imig, Daniela C.
; Indriunas, Alexandre
; Jacques, Eliane L.
; Jardim, Jomar G.
; Kamer, Hiltje M.
; Kameyama, Cíntia
; Kinoshita, Luiza S.
; Kirizawa, Mizué
; Klitgaard, Bente B.
; Koch, Ingrid
; Koschnitzke, Cristiana
; Krauss, Nathália P.
; Kriebel, Ricardo
; Kuntz, Juliana
; Larocca, João
; Leal, Eduardo S.
; Lewis, Gwilym P.
; Lima, Carla T.
; Lima, Haroldo C.
; Lima, Itamar B.
; Lima, Laíce F.G.
; Lima, Laura C.P.
; Lima, Leticia R.
; Lima, Luís F.P.
; Lima, Rita B.
; Lírio, Elton J.
; Liro, Renata M.
; Lleras, Eduardo
; Lobão, Adriana
; Loeuille, Benoit
; Lohmann, Lúcia G.
; Loiola, Maria I.B.
; Lombardi, Julio A.
; Longhi-Wagner, Hilda M.
; Lopes, Rosana C.
; Lorencini, Tiago S.
; Louzada, Rafael B.
; Lovo, Juliana
; Lozano, Eduardo D.
; Lucas, Eve
; Ludtke, Raquel
; Luz, Christian L.
; Maas, Paul
; Machado, Anderson F.P.
; Macias, Leila
; Maciel, Jefferson R.
; Magenta, Mara A.G.
; Mamede, Maria C.H.
; Manoel, Evelin A.
; Marchioretto, Maria S.
; Marques, Juliana S.
; Marquete, Nilda
; Marquete, Ronaldo
; Martinelli, Gustavo
; Martins da Silva, Regina C.V.
; Martins, Ângela B.
; Martins, Erika R.
; Martins, Márcio L.L.
; Martins, Milena V.
; Martins, Renata C.
; Matias, Ligia Q.
; Maya-L., Carlos A.
; Mayo, Simon
; Mazine, Fiorella
; Medeiros, Debora
; Medeiros, Erika S.
; Medeiros, Herison
; Medeiros, João D.
; Meireles, José E.
; Mello-Silva, Renato
; Melo, Aline
; Melo, André L.
; Melo, Efigênia
; Melo, José I.M.
; Menezes, Cristine G.
; Menini Neto, Luiz
; Mentz, Lilian A.
; Mezzonato, A.C.
; Michelangeli, Fabián A.
; Milward-de-Azevedo, Michaele A.
; Miotto, Silvia T.S.
; Miranda, Vitor F.O.
; Mondin, Cláudio A.
; Monge, Marcelo
; Monteiro, Daniele
; Monteiro, Raquel F.
; Moraes, Marta D.
; Moraes, Pedro L.R.
; Mori, Scott A.
; Mota, Aline C.
; Mota, Nara F.O.
; Moura, Tania M.
; Mulgura, Maria
; Nakajima, Jimi N.
; Nardy, Camila
; Nascimento Júnior, José E.
; Noblick, Larry
; Nunes, Teonildes S.
; O'Leary, Nataly
; Oliveira, Arline S.
; Oliveira, Caetano T.
; Oliveira, Juliana A.
; Oliveira, Luciana S.D.
; Oliveira, Maria L.A.A.
; Oliveira, Regina C.
; Oliveira, Renata S.
; Oliveira, Reyjane P.
; Paixão-Souza, Bruno
; Parra, Lara R.
; Pasini, Eduardo
; Pastore, José F.B.
; Pastore, Mayara
; Paula-Souza, Juliana
; Pederneiras, Leandro C.
; Peixoto, Ariane L.
; Pelissari, Gisela
; Pellegrini, Marco O.O.
; Pennington, Toby
; Perdiz, Ricardo O.
; Pereira, Anna C.M.
; Pereira, Maria S.
; Pereira, Rodrigo A.S.
; Pessoa, Clenia
; Pessoa, Edlley M.
; Pessoa, Maria C.R.
; Pinto, Luiz J.S.
; Pinto, Rafael B.
; Pontes, Tiago A.
; Prance, Ghillean T.
; Proença, Carolyn
; Profice, Sheila R.
; Pscheidt, Allan C.
; Queiroz, George A.
; Queiroz, Rubens T.
; Quinet, Alexandre
; Rainer, Heimo
; Ramos, Eliana
; Rando, Juliana G.
; Rapini, Alessandro
; Reginato, Marcelo
; Reis, Ilka P.
; Reis, Priscila A.
; Ribeiro, André R.O.
; Ribeiro, José E.L.S.
; Riina, Ricarda
; Ritter, Mara R.
; Rivadavia, Fernando
; Rocha, Antônio E.S.
; Rocha, Maria J.R.
; Rodrigues, Izabella M.C.
; Rodrigues, Karina F.
; Rodrigues, Rodrigo S.
; Rodrigues, Rodrigo S.
; Rodrigues, Vinícius T.
; Rodrigues, William
; Romaniuc Neto, Sérgio
; Romão, Gerson O.
; Romero, Rosana
; Roque, Nádia
; Rosa, Patrícia
; Rossi, Lúcia
; Sá, Cyl F.C.
; Saavedra, Mariana M.
; Saka, Mariana
; Sakuragui, Cássia M.
; Salas, Roberto M.
; Sales, Margareth F.
; Salimena, Fatima R.G.
; Sampaio, Daniela
; Sancho, Gisela
; Sano, Paulo T.
; Santos, Alessandra
; Santos, Élide P.
; Santos, Juliana S.
; Santos, Marianna R.
; Santos-Gonçalves, Ana P.
; Santos-Silva, Fernanda
; São-Mateus, Wallace
; Saraiva, Deisy P.
; Saridakis, Dennis P.
; Sartori, Ângela L.B.
; Scalon, Viviane R.
; Schneider, Ângelo
; Sebastiani, Renata
; Secco, Ricardo S.
; Senna, Luisa
; Senna-Valle, Luci
; Shirasuna, Regina T.
; Silva Filho, Pedro J.S.
; Silva, Anádria S.
; Silva, Christian
; Silva, Genilson A.R.
; Silva, Gisele O.
; Silva, Márcia C.R.
; Silva, Marcos J.
; Silva, Marcos J.
; Silva, Otávio L.M.
; Silva, Rafaela A.P.
; Silva, Saura R.
; Silva, Tania R.S.
; Silva-Gonçalves, Kelly C.
; Silva-Luz, Cíntia L.
; Simão-Bianchini, Rosângela
; Simões, André O.
; Simpson, Beryl
; Siniscalchi, Carolina M.
; Siqueira Filho, José A.
; Siqueira, Carlos E.
; Siqueira, Josafá C.
; Smith, Nathan P.
; Snak, Cristiane
; Soares Neto, Raimundo L.
; Soares, Kelen P.
; Soares, Marcos V.B.
; Soares, Maria L.
; Soares, Polyana N.
; Sobral, Marcos
; Sodré, Rodolfo C.
; Somner, Genise V.
; Sothers, Cynthia A.
; Sousa, Danilo J.L.
; Souza, Elnatan B.
; Souza, Élvia R.
; Souza, Marcelo
; Souza, Maria L.D.R.
; Souza-Buturi, Fátima O.
; Spina, Andréa P.
; Stapf, María N.S.
; Stefano, Marina V.
; Stehmann, João R.
; Steinmann, Victor
; Takeuchi, Cátia
; Taylor, Charlotte M.
; Taylor, Nigel P.
; Teles, Aristônio M.
; Temponi, Lívia G.
; Terra-Araujo, Mário H.
; Thode, Veronica
; Thomas, W.Wayt
; Tissot-Squalli, Mara L.
; Torke, Benjamin M.
; Torres, Roseli B.
; Tozzi, Ana M.G.A.
; Trad, Rafaela J.
; Trevisan, Rafael
; Trovó, Marcelo
; Valls, José F.M.
; Vaz, Angela M.S.F.
; Versieux, Leonardo
; Viana, Pedro L.
; Vianna Filho, Marcelo D.M.
; Vieira, Ana O.S.
; Vieira, Diego D.
; Vignoli-Silva, Márcia
; Vilar, Thaisa
; Vinhos, Franklin
; Wallnöfer, Bruno
; Wanderley, Maria G.L.
; Wasshausen, Dieter
; Watanabe, Maurício T.C.
; Weigend, Maximilian
; Welker, Cassiano A.D.
; Woodgyer, Elizabeth
; Xifreda, Cecilia C.
; Yamamoto, Kikyo
; Zanin, Ana
; Zenni, Rafael D.
; Zickel, Carmem S
.
Resumo Um levantamento atualizado das plantas com sementes e análises relevantes acerca desta biodiversidade são apresentados. Este trabalho se iniciou em 2010 com a publicação do Catálogo de Plantas e Fungos e, desde então vem sendo atualizado por mais de 430 especialistas trabalhando online. O Brasil abriga atualmente 32.086 espécies nativas de Angiospermas e 23 espécies nativas de Gimnospermas e estes novos dados mostram um aumento de 3% da riqueza em relação a 2010. A Amazônia é o Domínio Fitogeográfico com o maior número de espécies de Gimnospermas, enquanto que a Floresta Atlântica possui a maior riqueza de Angiospermas. Houve um crescimento considerável no número de espécies e nas taxas de endemismo para a maioria dos Domínios (Caatinga, Cerrado, Floresta Atlântica, Pampa e Pantanal), com exceção da Amazônia que apresentou uma diminuição de 2,5% de endemicidade. Entretanto, a maior parte das plantas com sementes que ocorrem no Brasil (57,4%) é endêmica deste território. A proporção de formas de vida varia de acordo com os diferentes Domínios: árvores são mais expressivas na Amazônia e Floresta Atlântica do que nos outros biomas, ervas são dominantes no Pampa e as lianas apresentam riqueza expressiva na Amazônia, Floresta Atlântica e Pantanal. Este trabalho não só quantifica a biodiversidade brasileira, mas também indica as lacunas de conhecimento e o desafio a ser enfrentado para a conservação desta flora.
Abstract An updated inventory of Brazilian seed plants is presented and offers important insights into the country's biodiversity. This work started in 2010, with the publication of the Plants and Fungi Catalogue, and has been updated since by more than 430 specialists working online. Brazil is home to 32,086 native Angiosperms and 23 native Gymnosperms, showing an increase of 3% in its species richness in relation to 2010. The Amazon Rainforest is the richest Brazilian biome for Gymnosperms, while the Atlantic Rainforest is the richest one for Angiosperms. There was a considerable increment in the number of species and endemism rates for biomes, except for the Amazon that showed a decrease of 2.5% of recorded endemics. However, well over half of Brazillian seed plant species (57.4%) is endemic to this territory. The proportion of life-forms varies among different biomes: trees are more expressive in the Amazon and Atlantic Rainforest biomes while herbs predominate in the Pampa, and lianas are more expressive in the Amazon, Atlantic Rainforest, and Pantanal. This compilation serves not only to quantify Brazilian biodiversity, but also to highlight areas where there information is lacking and to provide a framework for the challenge faced in conserving Brazil's unique and diverse flora.
https://doi.org/10.1590/2175-7860201566411
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