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1.
Hippocampal acetylcholinesterase activation induced by streptozotocin in mice is protected by an organotellurium compound without evidence of toxicity
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PEIXOTO, NILCE C.
; BERNARDI, JAMILE S.
; OLIVEIRA, CLÁUDIA S.
; SANTOS, MARIANA S.C.
; MARION, SARA L.
; SILVA, RAFAEL S.
; ROSA, RAQUEL M.
; RODRIGUES, OSCAR E.D
; PEREIRA, MARIA E.
.
Anais da Academia Brasileira de Ciências
- Métricas do periódico
Abstract The cognitive deficit, which is like Alzheimer’s disease and is associated with oxidative damage, may be induced by exposure to streptozotocin. This study aimed to evaluate if the tellurium-containing organocompound, 3j, 5’-arylchalcogeno-3-aminothymidine derivative, interferes with the effects of streptozotocin, as well as to investigate its toxicity in adult mice. Cognitive deficit was induced by two doses of streptozotocin (2.25 mg/kg/day, 48 h interval) intracerebroventricularly. After, the mice were subcutaneously treated with 3j (8.62 mg/kg/day) for 25 days. The effects were assessed by evaluating hippocampal and cortical acetylcholinesterase and behavioral tasks. 3j toxicity was investigated for 10 (0, 21.55, or 43.10 mg/kg/day) and 37 (0, 4.31, or 8.62 mg/kg/day) days by assessing biometric parameters and glucose and urea levels, and alanine aminotransferase activity in blood plasma. 3j exposure did not alter the behavioral alterations induced by streptozotocin exposure. On the other hand, 3j exposure normalized hippocampus acetylcholinesterase activity, which is enhanced by streptozotocin exposure. Toxicity evaluation showed that the administration of 3j for either 10 or 37 days did not cause harmful effects on the biometric and biochemical parameters analyzed. Therefore, 3j does not present any apparent toxicity and reverts acetylcholinesterase activity increase induced by streptozotocin in young adult mice. Alzheimers Alzheimer s damage telluriumcontaining tellurium containing organocompound j 5arylchalcogeno3aminothymidine arylchalcogenoaminothymidine 5 arylchalcogeno 3 aminothymidine derivative 2.25 225 2 (2.2 mgkgday mg kg day mg/kg/day 4 interval intracerebroventricularly After 862 8 62 (8.6 tasks 1 0, 0 (0 2155 21 55 21.55 4310 43 43.1 431 31 4.31 8.6 levels plasma hand analyzed Therefore 2.2 22 (2. 86 6 (8. ( 215 21.5 43. 4.3 8. 2. (2 (8 21. 4.
2.
Changing the paradigm: from cardiac rehabilitation to vascular rehabilitation
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3.
Reproductive health syndemics impact retention in care among women living with HIV in Rio de Janeiro, Brazil Janeiro
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Zachek, Christine M.
; Coelho, Lara E.
; Clark, Jesse L.
; Domingues, Rosa M.S.M.
; Luz, Paula M.
; Friedman, Ruth K.
; Andrade, Ângela C. Vasconcelos de
; Veloso, Valdilea G.
; Lake, Jordan E.
; Grinsztejn, Beatriz
; Boni, Raquel B. De
.
Brazilian Journal of Infectious Diseases
- Métricas do periódico
ABSTRACT Syndemic psychosocial and reproductive factors affecting women’s retention in HIV care remain understudied. We analyzed correlates of non-retention in a cohort of women with HIV in Brazil from 2000–2015. Participants self-reported exposure to physical/sexual violence, illicit drug use, adolescent pregnancy, or induced abortion. Lifetime history of these psychosocial stressors were used to create a syndemic score based on the presence or absence of these conditions. All dichotomous variables were summed (range 0 to 4), with greater scores indicating more syndemic factors experienced. Logistic regression models identified predictors of non-retention, defined as < 2 HIV viral load or CD4 results within the first year of enrollment. Of 915 women, non-retention was observed for 18%. Prevalence of syndemic factors was adolescent pregnancy (53.2%), physical/sexual violence (38.3%), induced abortion (27.3%), and illicit drug use (17.2%); 41.2% experienced > 2 syndemic conditions. Syndemic scores of 2 and 3 were associated with non-retention, as well as low education, years with HIV and seroprevalent syphilis. Psychosocial and reproductive syndemics can limit women’s retention in HIV care. Syphilis infection predicted non-retention and could be explored as a syndemic factor in future studies. womens s understudied nonretention non 20002015 2000 2015 2000–2015 selfreported self reported physicalsexual physical sexual conditions range 4, 4 , 4) nonretention, retention, CD enrollment 91 18 18% 53.2%, 532 53.2% 53 (53.2%) 38.3%, 383 38.3% 38 (38.3%) 27.3%, 273 27.3% 27 (27.3%) 17.2% 172 17 (17.2%) 412 41 41.2 education syphilis studies 2000201 200 201 2000–201 9 1 53.2 5 (53.2% 38.3 (38.3% 27.3 (27.3% 17.2 (17.2% 41. 200020 20 2000–20 53. (53.2 38. (38.3 27. (27.3 17. (17.2 20002 2000–2 (53. (38. (27. (17. 2000– (53 (38 (27 (17 (5 (3 (2 (1 (
4.
Production of ethanol and xylitol from D-xylose by four strains of Candida (Spathaspora) materiae Dxylose D xylose Spathaspora (Spathaspora
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MOURA, MARINA ELIZABETH F. DE
; PALLADINO, FERNANDA
; CADETE, RAQUEL M.
; BARROS, KATHARINA O.
; LARA, CARLA A.
; SILVA, FERNANDA G.S.
; ROSA, CARLOS A.
.
Anais da Academia Brasileira de Ciências
- Métricas do periódico
Abstract Xylose is the most abundant pentose sugar in lignocellulosic biomass and can be biologically converted into economically important products by microorganisms such as yeasts. This study aimed to characterize the bioconversion of xylose into xylitol and ethanol using four strains of Candida materiae belonging to the Spathaspora clade, which includes yeast species with the potential to convert D-xylose to xylitol and ethanol. Fermentation assays were performed in YPX medium (yeast extract, peptone, xylose 5%) under two oxygen-limiting conditions at inoculum concentrations of 1, 5 and 10 g L-1. The best results were obtained using a 5 g L-1 inoculum under moderate oxygen-limiting conditions. C. materiae UFMG-CM-Y480 produced 32.23 g L-1 of xylitol, yielding 0.743 g g-1 within 36 h. Different combinations of xylose and glucose (25/25 g L-1, 40/10 g L-1, 10/40 g L-1) were also used to verify the influence of sugars on C. materiae metabolism. Xylitol was preferentially produced in medium containing 40 g L-1 xylose. C. materiae UFMG-CM-Y480 produced 26.20 g L-1 of xylitol with a yield of 0.646 g g-1 in 36 h. Our results showed that C. materiae UFMG-CM-Y480 may convert D-xylose to xylitol with a better fermentative performance than other xylitol-producing yeasts. yeasts clade Dxylose D extract peptone 5% oxygenlimiting oxygen limiting 1 L1. L1 L 1. L- C UFMGCMY480 UFMGCMY UFMG CM Y480 Y UFMG-CM-Y48 3223 32 23 32.2 0743 0 743 0.74 g1 g- 3 h 25/25 2525 25 (25/2 L1, 4010 40/1 1040 10/4 metabolism 4 2620 26 20 26.2 0646 646 0.64 xylitolproducing producing UFMGCMY48 Y48 UFMG-CM-Y4 322 2 32. 074 74 0.7 25/2 252 (25/ 401 40/ 104 10/ 262 26. 064 64 0.6 UFMGCMY4 Y4 UFMG-CM-Y 07 7 0. 25/ (25 06 6 (2 (
5.
Consenso de leucemia mieloide aguda en México
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Arana-Luna, Luara L.
; Alvarado-Ibarra, Martha
; Silva-Michel, Luis G.
; Morales-Maravilla, Adrián
; González-Rubio, María del C.
; Chávez-Aguilar, Lénica A.
; Tena-Iturralde, María Fernanda
; Mojica-Balceras, Liliana
; Zapata-Canto, Nidia
; Galindo-Delgado, Patricia
; Miranda-Madrazo, María Raquel
; Morales-Hernández, Alba E.
; Silva-Vera, Karina
; Grimaldo-Gómez, Flavio A.
; Hernández-Caballero, Álvaro
; Bates-Martin, Ramón A.
; Álvarez-Vera, José L.
; Tepepa-Flores, Fredy
; Teomitzi-Sánchez, Óscar
; Fermín-Caminero, Denisse J.
; Peña-Celaya, José A. de la
; Salazar-Ramírez, Óscar
; Flores-Villegas, Luz V.
; Guerra-Alarcón, Lidia V.
; Leyto-Cruz, Faustino
; Inclán-Alarcón, Sergio I.
; Milán-Salvatierra, Andrea I.
; Ventura-Enríquez, Yanet
; Pérez-Lozano, Uendy
; Báez-Islas, Pamela E.
; Tapia-Enríquez, Ana L.
; Palma-Moreno, Orlando G.
; Aguilar-Luévano, Jocelyn
; Espinosa-Partida, Arturo
; Pérez-Jacobo, Luis F.
; Rojas-Castillejos, Flavio
; Ruiz-Contreras, Josué I.
; Loera-Fragoso, Sergio J.
; Medina-Coral, Jesús E.
; Acosta-Maldonado, Brenda L.
; Soriano-Mercedes, Emely J.
; Saucedo-Montes, Erick E.
; Valero-Saldana, Luis M.
; González-Prieto, Susana G.
; Nava-Villegas, Lorena
; Hernández-Colin, Ana K.
; Hernández-Alcántara, Areli E.
; Zárate-Rodríguez, Pedro A.
; Ignacio-Ibarra, Gregorio
; Meillón-García, Luis A.
; Espinosa-Bautista, Karla A.
; Ledesma de la Cruz, Cindy
; Barbosa-Loría, Diego M.
; García-Castillo, Carolina
; Balderas-Delgado, Carolina
; Cabrera-García, Álvaro
; Pérez-Zúñiga, Juan M.
; Hernández-Ruiz, Eleazar
; Villela-Peña, Atenas
; Gómez Cortés, Sue Cynthia
; Romero-Rodelo, Hilda
; Garzón-Velásquez, Katheryn B.
; Serrano-Hernández, Cristina
; Martínez-Ríos, Annel
; Pedraza-Solís, María Luisa
; Martínez-Coronel, Jorge A.
; Narváez-Davalos, Iris M.
; García-Camacho, Alinka S.
; Merino-Pasaye, Laura E.
; Aguilar-Andrade, Carolina
; Aguirre-Domínguez, Juan A.
; Guzmán-Mera, Pedro G.
; Delgado-de la Rosa, Elizabeth
; Flores López, Perla E.
; González-Aguirre, Lilia L.
; Ramírez-Alfaro, Edgar M.
; Vera-Calderón, Heidi
; Meza-Dávalos, María Lizeth
; Murillo-Cruz, Juan
; Pichardo-Cepín, Yayra M.
; Ramírez-Romero, Eva F.
.
Abstract Acute myeloid leukemia (AML) comprises a heterogeneous group of hematopoietic cell neoplasms of myeloid lineage that arise from the clonal expansion of their precursors in the bone marrow, interfering with cell differentiation, leading to a syndrome of bone marrow failure. AML is a consequence of genetic and epigenetic changes (point mutations, gene rearrangements, deletions, amplifications, and arrangements in epigenetic changes that influence gene expression) in hematopoietic precursor cells, which create a clone of abnormal cells that are capable of proliferating but cannot differentiate into mature hematopoietic cells or undergo programmed cell death. The diagnosis requires more than 20% myeloid blasts in the bone marrow and certain cytogenic abnormalities. Treatment will depend on age, comorbidities, and cytogenetic risk among the most frequent.
resumen está disponible en el texto completo
https://doi.org/10.24875/gmm.m21000597
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6.
Occurrence and diversity of yeast species isolated from fish feed and tambatinga gut
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Pinheiro, Raizza Eveline E.
; Rodrigues, Aline Maria D.
; Santos, Julliet Teixeira de O.
; Costa, Juliana de A.
; Pereyra, Carina M.
; Torres, Adriana M.
; Rosa, Carlos A.
; Santos, Ana Raquel de O.
; Muratori, Maria Christina S.
.
Latin american journal of aquatic research
- Métricas do periódico
ABSTRACT The present study aimed to identify yeasts species isolated from fish feed and the intestinal tracts of tambatinga fish (Colossoma macropomum × Piaractus brachypomum) cultivated in a Brazilian fish farm. Twenty tambatingas and 30 fish feed samples from different brands were acquired from two commercial establishments in the state of Piauí, Brazil. The sampled guts were divided into three equal parts, namely the anterior, medium and posterior portions, totaling 60 samples. Molecular identification was performed by PCR amplification and sequencing of the D1/D2 regions of the large rRNA subunit gene. Sixteen Candida nivariensis strains in the gut were identified. The fish feed samples showed a higher variability of yeast species, with the following species isolated: Hyphopichia burtonii (23.08%), Lodderomyces elongisporus (15.39%) and Trichosporon asahii (15.39%), Candida nivariensis (7.69%), C. orthopsilosis (7.69%), C. parapsilosis (7.69%), Rhodotorula minuta (7.69%), Sterigmatomyces elviae (7.69%), Cryptococcus liquefaciens (7.69%). Yeast found in feed, however, was not always isolated from tambatinga gut. Molecular identification allowed for the isolation of yeast species not previously reported in fish feed and gut samples.
https://doi.org/10.3856/vol46-issue4-fulltext-22
560 downloads
7.
Hepatitis C in Brazil: lessons learned with boceprevir and telaprevir
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Gomes, Lenyta Oliveira
; Teixeira, Marina Rodrigues
; Rosa, Júnior André da
; Feltrin, Alberi Adolfo
; Rodrigues, João Paulo V.
; Vecchi, Mariane D’Avila
; Carneiro, Jane Meire M.
; Noblat, Lúcia de Araújo C. B.
; Chachá, Silvana Gama F.
; Martinelli, Ana de Lourdes C.
; Pereira, Leonardo Regis L.
; Silveira, Marysabel Pinto T.
; Blatt, Carine Raquel
; Farias, Mareni Rocha
.
Revista do Instituto de Medicina Tropical de São Paulo
- Métricas do periódico
ABSTRACT In 2012, the first-generation protease inhibitors telaprevir (TVR) and boceprevir (BOC) were introduced in the Brazilian health system for treatment of chronic hepatitis C, after their approval by the National Committee for Health Technology Incorporation (CONITEC). However, these medicines were discontinued in 2015. The short period of use in therapy and their high cost require a discussion about the consequences for patients and for the health system of the early incorporation of new therapies. The article presents a qualitative analysis of the incorporation process of both medications in Brazil and the results of a multicenter study that included patients treated with BOC or TVR between January 2011 and December 2015 in five Brazilian cities. The study included 855 patients (BOC: n=247) and (TVR: n=608). The document analysis showed that CONITEC’s decision to incorporate BOC and TVR was based on results of phase III clinical trials that compared sustained virologic response (SVR) rates of patients treated with BOC and TVR with rates of those that received placebo. However, these studies included a low percentage of cirrhotic patients. The SVR rates observed in this multicenter study were worse than clinical trials pointed out (BOC: 45.6%; TVR: 51.8%), but similar to those achieved with previously adopted therapies. The discontinuation rate due to adverse events was (BOC: 15.4%; TVR: 12.7%). Based on these unsatisfactory results, the study brings a discussion that goes beyond the therapy outcomes, exploring the incorporation of these high-cost medicines and the related decision-making process, contributing to future decisions in medicine policies and in the treatment of chronic hepatitis C.
https://doi.org/10.1590/s1678-9946201860029
1586 downloads
8.
Apendicectomía laparoscópica por sistema «glove port»: nuestros primeros 100 casos
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Reoyo Pascual, José Felipe
; León Miranda, Raquel
; Cartón Hernández, Carlos
; Alonso Alonso, Evelio
; Martínez Castro, Rosa M.
; Sánchez Manuel, Javier
.
Abstract Introduction: Single port laparoscopic appendectomy is an advance in minimally invasive techniques. The objective of this study is to show our series of 100 cases of acute appendicitis, operated through a single port technique using the ‘glove port’ system, exposing our technique, results and follow up of our patients. Material and methods: We present the series of 100 cases intervened from February 2013 to January 2017 detailing the elements that make up the ‘glove port’ system. Results: Of the 100 operated appendicitis, there were 3 postoperative collections and 1 surgical wound infection, which shows the good results obtained with this technique, emphasizing the excellent aesthetic result. We also point out that it is an economic system that does not make conventional laparoscopy more expensive. Conclusions: Single port laparoscopic appendectomy is safe, effective, economical and useful for the surgeon to acquire skills in a single port laparoscopic approach.
Resumen Introducción: La apendicectomía laparoscópica por puerto único supone un avance en las técnicas mínimamente invasivas. El objetivo de este estudio es mostrar nuestra serie de 100 casos de apendicitis aguda, intervenidos mediante técnica de puerto único utilizando el sistema «glove port», exponiendo nuestra técnica, resultados y seguimiento de nuestros pacientes. Material y métodos: Exponemos la serie de 100 casos intervenidos desde febrero de 2013 hasta enero de 2017 detallando los elementos que componen el sistema «glove port». Resultados: De las 100 apendicitis intervenidas, hubo 3 colecciones postoperatorias y una infección de herida quirúrgica, lo que muestra los buenos resultados obtenidos con esta técnica, haciendo hincapié en el excelente resultado estético. También señalamos que es un sistema económico que no encarece la laparoscopia convencional. Conclusiones: La apendicectomía laparoscópica por puerto único es segura, eficaz, económica y útil para que el cirujano adquiera habilidad en el abordaje laparoscópico por puerto único.
https://doi.org/10.1016/j.rchic.2017.05.004
1122 downloads
9.
Applications of electron microscopy in health: the example of epidermolysis bullosa
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Floriani, Maiara A.
; Bau, Ana Elisa K.
; Silva, Raquel P.
; Graziadio, Carla
; Dorfman, Luiza Emy
; Zen, Tatiana D.
; Rosa, Rafael Fabiano M.
; Zen, Paulo Ricardo G.
.
Jornal Brasileiro de Patologia e Medicina Laboratorial
- Métricas do periódico
RESUMO Relatamos o caso de um paciente com epidermólise bolhosa distrófica (EBD) diagnosticado por microscopia eletrônica de transmissão (MET), destacando aplicações e importância desta técnica na área da saúde. Paciente do sexo masculino, filho único de pais jovens não consanguíneos, sem histórico de caso familial. O paciente foi submetido à biópsia cutânea, na qual a MET revelou comprometimento da membrana sub-basal, confirmando o diagnóstico de EBD. Apesar dos avanços tecnológicos, a MET continua tendo papel importante no diagnóstico e na pesquisa clínica, sendo considerada a melhor opção para a confirmação do diagnóstico e dos subtipos de doenças como a epidermólise bolhosa (EB).
ABSTRACT We report the case of a patient with dystrophic epidermolysis bullosa (DEB) diagnosed by transmission electron microscopy (TEM), emphasizing the applications and importance of this technique in the health area. The patient was a male, the only child of young and non-consanguineous parents without similar cases in the family. The patient underwent a cutaneous biopsy in which TEM revealed sub-basal membrane involvement, confirming the diagnosis of DEB. Despite technological advances, TEM continues to play an important role in diagnosis and clinical research and is considered the best option for confirmation of diagnosis and subtypes of diseases such as epidermolysis bullosa (EB).
https://doi.org/10.5935/1676-2444.20170011
1644 downloads
10.
qPCR detection of Mycobacterium leprae in biopsies and slit skin smear of different leprosy clinical forms
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Azevedo, Michelle de Campos Soriani
; Ramuno, Natália Mortari
; Fachin, Luciana Raquel Vincenzi
; Tassa, Mônica
; Rosa, Patrícia Sammarco
; Belone, Andrea de Faria Fernandes
; Diório, Suzana Madeira
; Soares, Cleverson Teixeira
; Garlet, Gustavo Pompermaier
; Trombone, Ana Paula Favaro
.
Brazilian Journal of Infectious Diseases
- Métricas do periódico
Abstract Leprosy, whose etiological agent is Mycobacterium leprae, is a chronic infectious disease that mainly affects the skin and peripheral nervous system. The diagnosis of leprosy is based on clinical evaluation, whereas histopathological analysis and bacilloscopy are complementary diagnostic tools. Quantitative PCR (qPCR), a current useful tool for diagnosis of infectious diseases, has been used to detect several pathogens including Mycobacterium leprae. The validation of this technique in a robust set of samples comprising the different clinical forms of leprosy is still necessary. Thus, in this study samples from 126 skin biopsies (collected from patients on all clinical forms and reactional states of leprosy) and 25 slit skin smear of leprosy patients were comparatively analyzed by qPCR (performed with primers for the RLEP region of M. leprae DNA) and routine bacilloscopy performed in histological sections or in slit skin smear. Considering clinical diagnostic as the gold standard, 84.9% of the leprosy patients were qPCR positive in skin biopsies, resulting in 84.92% sensitivity, with 84.92 and 61.22% positive (PPV) and negative (NPV) predictive values, respectively. Concerning bacilloscopy of histological sections (BI/H), the sensitivity was 80.15% and the PPV and NPV were 80.15 and 44.44%, respectively. The concordance between qPCR and BI/H was 87.30%. Regarding the slit skin smear, 84% of the samples tested positive in the qPCR. Additionally, qPCR showed 100% specificity, since all samples from different mycobacteria, from healthy individuals, and from other granulomatous diseases presented negative results. In conclusion, the qPCR technique for detection of M. leprae using RLEP primers proved to be specific and sensitive, and qPCR can be used as a complementary test to diagnose leprosy irrespective of the clinical form of disease.
https://doi.org/10.1016/j.bjid.2016.09.017
1558 downloads
11.
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
33340 downloads
12.
Diversity of Brazilian Fungi
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Maia, Leonor C.
; Carvalho Júnior, Aníbal A. de
; Cavalcanti, Laise de H.
; Gugliotta, Adriana de M.
; Drechsler-Santos, Elisandro R.
; Santiago, André L.M. de A.
; Cáceres, Marcela E. da S.
; Gibertoni, Tatiana B.
; Aptroot, André
; Giachini, Admir J.
; Soares, Adriene M. da S.
; Silva, Allyne C.G.
; Magnago, Altielys C.
; Goto, Bruno T.
; Lira, Carla R.S. de
; Montoya, Carlos A.S.
; Pires-Zottarelli, Carmen L.A.
; Silva, Danielle K.A. da
; Soares, Dartanhã J.
; Rezende, Diogo H.C.
; Luz, Edna D.M.N.
; Gumboski, Emerson L.
; Wartchow, Felipe
; Karstedt, Fernanda
; Freire, Fernando M.
; Coutinho, Flávia P.
; Melo, Georgea S. N. de
; Sotão, Helen M. P.
; Baseia, Iuri G.
; Pereira, Jadergudson
; Oliveira, Jadson J.S. de
; Souza, João F.
; Bezerra, José L.
; Neta, Lídia S. Araujo
; Pfenning, Ludwig H.
; Gusmão, Luís F.P.
; Neves, Maria A.
; Capelari, Marina
; Jaeger, Melissa C.W.
; Pulgarín, Melissa P.
; Menolli Junior, Nelson
; Medeiros, Priscila S. de
; Friedrich, Raquel C.S.
; Chikowski, Renata dos S.
; Pires, Ricardo M.
; Melo, Roger F.
; Silveira, Rosa M.B. da
; Urrea-Valencia, Salomé
; Cortez, Vagner G.
; Silva, Valéria F. da
.
Resumo Até 2010, o conhecimento sobre a diversidade de fungos do Brasil estava registrado em publicações esparsas de taxonomia e ecologia e em algumas poucas listas de espécies. Com a publicação do Catálogo de Plantas e Fungos do Brasil, e a disponibilização da lista online, tem sido possível agregar o conhecimento disperso. A versão ora apresentada acrescenta 2.111 nomes de espécies aos 3.608 listados em 2010. São citadas 5.719 espécies de fungos distribuídas em 1.246 gêneros, 102 ordens e 13 divisões, consistindo em considerável aumento em relação a 2010, quando estavam registrados 924 gêneros e 78 ordens. Predominam os Basidiomycota (2.741 espécies, em 22 ordens) e Ascomycota (1.881 espécies, em 41 ordens). A Mata Atlântica possui a maior quantidade de registros, com 3.017 espécies, seguido pela Amazonia (1.050), Caatinga (999), Cerrado (638) e Pampa e Pantanal com 84 e 35 espécies, respectivamente. A região Nordeste tem a maior riqueza (2.617 especies), seguida pelo Sudeste (2.252), Sul (1.995), Norte (1.301) e Centro Oeste (488 espécies). Em relação aos Estados da Federação, São Paulo (1.846 espécies), Pernambuco (1.611) e Rio Grande do Sul (1.377) são os mais diversos.
Abstract Knowledge about the Brazilian fungal diversity was, until 2010, recorded in few taxonomy and ecology publications, as well as in a handful of species lists. With the publication of the Catálogo de Plantas e Fungos do Brasil and the continued availability of an online list, it has been possible to aggregate this dispersed knowledge. The version presented here adds 2,111 species names to the 3,608 listed in 2010. A total of 5,719 species of fungi distributed in 1,246 genera, 102 orders and 13 phyla represents a considerable increase over the last five years, when only 924 genera and 78 orders were registered. Basidiomycota (2,741 species in 22 orders) and Ascomycota (1,881 species in 41 orders) predominate over other groups. The Atlantic Rainforest has the largest number of records, with 3,017 species, followed by Amazon Rainforest (1,050), Caatinga (999), Cerrado (638) and Pampa and Pantanal with 84 and 35 species, respectively. The Northeast region has the greatest richness (2,617 species), followed by Southeast (2,252), South (1,995), North (1,301) and Central-West (488 species). Regarding the States of the Federation, São Paulo with 1,846 species, Pernambuco with 1,611 and Rio Grande do Sul with 1,377 species are the most diverse.
https://doi.org/10.1590/2175-7860201566407
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13.
In house reverse membrane hybridisation assay versus GenoType MTBDRplus and their performance to detect mutations in the genes rpoB, katG and inhA
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Ferreira Junior, Sergio Luiz Montego
; Costa, Elis Regina Dalla
; Santos, Paula Gonçalves dos
; Gomes, Harrison Magdinier
; Silva, Marcia Susana Nunes
; Esteves, Leonardo Souza
; Oliveira, Martha Maria
; Maschmann, Raquel de Abreu
; Kritski, Afrânio Lineu
; Suffys, Philip Noel
; Rossetti, Maria Lucia Rosa
.
Memórias do Instituto Oswaldo Cruz
- Métricas do periódico
Drug-resistant tuberculosis (TB) threatens global TB control and is a major public health concern in several countries. We therefore developed a multiplex assay (LINE-TB/MDR) that is able to identify the most frequent mutations related to rifampicin (RMP) and isoniazid (INH) resistance. The assay is based on multiplex polymerase chain reaction, membrane hybridisation and colorimetric detection targeting of rpoB and katG genes, as well as the inhA promoter, which are all known to carry specific mutations associated with multidrug-resistant TB (MDR-TB). The assay was validated on a reference panel of 108 M. tuberculosis isolates that were characterised by the proportion method and by DNA sequencing of the targets. When comparing the performance of LINE-TB/MDR with DNA sequencing, the sensitivity, specificity and agreement were 100%, 100% and 100%, respectively, for RMP and 77.6%, 90.6% and 88.9%, respectively, for INH. Using drug sensibility testing as a reference standard, the performance of LINE-TB/MDR regarding sensitivity, specificity and agreement was 100%, 100% and 100% (95%), respectively, for RMP and 77%, 100% and 88.7% (82.2-95.1), respectively, for INH. LINE-TB/MDR was compared with GenoType MTBDRplus for 65 isolates, resulting in an agreement of 93.6% (86.7-97.5) for RIF and 87.4% (84.3-96.2) for INH. LINE-TB/MDR warrants further clinical validation and may be an affordable alternative for MDR-TB diagnosis.
https://doi.org/10.1590/0074-0276130469
1524 downloads
14.
Detection of rifampin-resistant genotypes in Mycobacterium tuberculosis by reverse hybridization assay
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Maschmann, Raquel de A
; Verza, Mirela
; Silva, Marcia SN
; Sperhacke, Rosa Dea
; Ribeiro, Marta O
; Suffys, Philip Noel
; Gomes, Harrison Magdinier
; Tortoli, Enrico
; Marcelli, Fiorella
; Zaha, Arnaldo
; Rossetti, Maria Lucia R
.
Memórias do Instituto Oswaldo Cruz
- Métricas do periódico
We used a colorimetric reverse dot blot hybridization (CRDH) assay to detect the presence of mutations in a specific region of the rpoB gene, associated with rifampin (RIF) resistance, in a panel of 156 DNAs extracted from 103 RIF-sensitive and 53 RIF-resistant cultures of Mycobacterium tuberculosis. When compared with the antimicrobial susceptibility test (AST), the sensitivity and specificity of the CRDH were 92.3% and 98.1%, respectively. When compared with sequencing, the sensitivity and specificity of the CRDH were 90.6% and 100%, respectively. To evaluate the performance of the assay directly in clinical specimens, 30 samples from tuberculosis patients were used. For these samples, the results of the CRDH were 100% consistent with the results of the AST and sequencing. These results indicate that the rate of concordance of the CRDH is high when compared to conventional methods and sequencing data. The CRDH can be successfully applied when a rapid test is required for the identification of RIF resistance in M. tuberculosis.
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15.
In house colorimetric reverse hybridisation assay for detection of the mutation most frequently associated with resistance to isoniazid in Mycobacterium tuberculosis
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Verza, Mirela
; Maschmann, Raquel de Abreu
; Silva, Márcia Susana Nunes
; Dalla Costa, Elis Regina
; Ribeiro, Marta Osório
; Rosso, Franciele
; Suffys, Philip Noel
; Tortoli, Enrico
; Marcelli, Fiorella
; Zaha, Arnaldo
; Rossetti, Maria Lucia Rosa
.
Memórias do Instituto Oswaldo Cruz
- Métricas do periódico
Mutations in the katG gene have been identified and correlated with isoniazid (INH) resistance in Mycobacterium tuberculosis isolates. The mutation AGC→ACC (Ser→Thr) at katG315 has been reported to be the most frequent and is associated with transmission and multidrug resistance. Rapid detection of this mutation could therefore improve the choice of an adequate anti-tuberculosis regimen, the epidemiological monitoring of INH resistance and, possibly, the tracking of transmission of resistant strains. An in house reverse hybridisation assay was designed in our laboratory and evaluated with 180 isolates of M. tuberculosis. It could successfully characterise the katG315 mutation in 100% of the samples as compared to DNA sequencing. The test is efficient and is a promising alternative for the rapid identification of INH resistance in regions with a high prevalence of katG315 mutants.
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