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RESUMO A araruta (Maranta arundinaceae) é uma planta alimentícia não convencional (PANC) que apresenta propriedades nutricionais relevantes. No entanto, poucos estudos sobre a espécie quanto às suas formas de propagação e sua nutrição foram realizados. Paralelamente, o biofertilizante fornece nutrientes e estimula o desenvolvimento das espécies, pois promove melhorias nas propriedades do solo. Nesse contexto, o objetivo neste estudo foi avaliar o efeito de diferentes formas de propagação e doses de biofertilizante na nutrição da araruta. O delineamento experimental foi em blocos casualizados em esquema de parcelas subdivididas, avaliando três formas de propagação (rizoma inteiro, parte do rizoma e caule) e utilizando cinco doses de biofertilizante (0, 300, 600, 900 e 1200 mL por planta semana-1). Aos 268 dias após o plantio foi realizada a coleta das folhas para análise do teor de macro e micronutrientes foliares. Plantas propagadas por haste apresentam menor acúmulo de N, P, K, S e maior acúmulo de Na, em relação às demais formas de propagação. Os teores de N e K foram incrementados pela aplicação do biofertilizante, alcançando valores de 20,8 e 18,2 g kg-1 nas doses de 1200 e 955 mL por planta semana-1, respectivamente. O acúmulo dos micronutrientes foi influenciado pelas formas de propagação e pelas doses de biofertilizante, apresentando respostas positivas, especialmente para o Zn na dose máxima. A propagação por rizoma inteiro e as doses entre 600 e 1200 mL por planta semana-1 são as recomendadas para que se obtenha os melhores resultados nutricionais na araruta. Maranta arundinaceae PANC (PANC relevantes entanto realizados Paralelamente espécies solo contexto subdivididas caule 0, 0 (0 300 90 120 semana1. semana1 semana 1 . semana-1) 26 foliares P Na 208 20 8 20, 182 18 2 18, kg1 kg kg- 95 semana1, 1, respectivamente positivas máxima 60 semana- ( 30 9 12 6 3

ABSTRACT Arrowroot (Maranta arundinaceae) is a unconventional food plant (UFP) that has relevant nutritional properties. However, few studies on the species regarding its forms of propagation and its nutrition have been performed. In parallel, biofertilizer provides nutrients and stimulates the development of species, as it promotes improvements in soil properties. In this context, the objective in this study was to evaluate the effect of different forms of propagation and doses of biofertilizer on arrowroot nutrition. A randomized block experimental design in a split-plot scheme, evaluating three forms of propagation (whole rhizome, part of the rhizome and stem) and five doses of biofertilizer (0, 300, 600, 900 and 1200 mL per plant week-1) was used. At 268 days after planting, the leaves were collected for analysis of leaf macro and micronutrient contents. Plants propagated by stem have lower accumulation of N, P, K and S and higher accumulation of Na, compared to the other forms of propagation. N and K contents were increased by the application of biofertilizer, reaching values of 20.8 and 18.2 g kg-1 at doses of 1200 and 955 mL per plant week-1, respectively. Accumulation of micronutrients was influenced by the forms of propagation and doses of biofertilizer, showing positive responses, especially for Zn at the maximum dose. Propagation by whole rhizome and doses from 600 to 1200 mL per plant week-1 are recommended to obtain the best nutritional results in arrowroot. Maranta arundinaceae UFP (UFP properties However performed parallel context splitplot split plot scheme 0, 0 (0 300 90 120 week1 week 1 used 26 planting P Na 208 20 8 20. 182 18 2 18. kg1 kg kg- 95 week1, 1, respectively responses dose 60 week- ( 30 9 12 6 3

https://doi.org/10.1590/1807-1929/agriambi.v28n7e278951

Social support and suicidality during the COVID-2019 pandemic among Brazilian health care workers: longitudinal assessment of a repeated cross-sectional online survey COVID2019 COVID 2019 COVID-201 workers crosssectional cross sectional COVID201 201 COVID-20 COVID20 20 COVID-2 COVID2 2 COVID-
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Diaz, Alexandre Paim

; Pinto, Andre Braule

; Araújo, Maria Isabel Chaves

; Joaquim, Rui Mateus

; Costa, Danielle de Souza

; Serpa, Alexandre Luiz de Oliveira

; Pisani, Anthony R.

; Conwell, Yeates

; Miranda, Debora M.

; Malloy-Diniz, Leandro F.

; da Silva, Antonio G.

Brazilian Journal of Psychiatry

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2024, Volume 46 elocation e20233466

Resumo: En | Texto: En | PDF: En

Objective: The risk of suicide is higher among health care workers than other workers. This study investigated the association between social support and suicidal ideation and behavior during the COVID-19 pandemic among Brazilian health care workers. Methods: This study used data from 10,885 respondents to the first (time point 1 – between May and June of 2020) and second (time point 2 – between December 2020 and February 2021) cross-sectional online surveys about mental health and quality of life among Brazilian health care workers during the COVID-19 pandemic. The relationship between social support as the independent variable (time point 1) and suicidal ideation and behavior as the outcomes (time point 2) was investigated through logistic regression analysis. Results: Greater social support was associated with a significantly lower risk of reporting suicidal ideation and behavior in the month prior to follow-up assessment (adjusted OR: 0.71, 95%CI 0.66-0.76 and adjusted OR 0.61, 95%CI 0.54-0.68, respectively). These associations were independent of sex, age, feelings of loneliness, and self-reported psychiatric disorders. Conclusion: Social support is associated with a lower risk of suicidality among health care workers, and its protective role appears more closely related to suicidal behavior. Objective COVID19 COVID 19 COVID-1 Methods 10885 10 885 10,88 time 202 2021 crosssectional cross sectional analysis Results followup follow up 071 0 71 0.71 95CI CI 95 0.660.76 066076 0.66 0.76 66 76 0.66-0.7 061 61 0.61 0.540.68, 054068 0.54 0.68, 54 68 0.54-0.68 respectively. respectively . respectively) sex age loneliness selfreported self reported disorders Conclusion COVID1 COVID- 1088 88 10,8 20 07 7 0.7 9 660 0.660.7 06607 066 0.6 076 6 0.66-0. 06 540 0.540.68 05406 054 0.5 068 0.68 5 0.54-0.6 108 8 10, 0. 0.660. 0660 0.66-0 0.540.6 0540 05 0.54-0. 0.660 0.66- 0.540. 0.54-0 0.540 0.54-

https://doi.org/10.47626/1516-4446-2023-3466

Fruit yield and gas exchange of Tahiti lime at different irrigation depths in the Amazon
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Pinto, João V. de N.

; Costa, Deborah L. P.

; Costa, Ana P. da S.

; Pires, Mateus P.

; Rolim, Glauco de S.

; Sousa, Adriano M. L. de

; Ortega-Farias, Samuel

; Souza, Paulo J. de O. P. de

Revista Brasileira de Engenharia Agrícola e Ambiental

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Jun 2023, Volume 27 Nº 6 Páginas 463 - 471

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

RESUMO A lima ácida Tahiti é uma espécie de grande importância econômica em todo o mundo. Em território brasileiro, a produção concentra-se nos estados de São Paulo e Pará, onde geralmente é enxertada em limão-cravo. Este estudo tem como objetivo analisar o efeito de diferentes lâminas de irrigação na produção de frutos, fenologia e trocas gasosas de lima ácida Tahiti enxertada em citrumelo Swingle. A irrigação foi realizada durante o primeiro ano, com quatro lâminas de irrigação diferentes em um delineamento de blocos ao acaso com 5 blocos e 4 tratamentos, para manter o potencial matricial do solo nas seguintes faixas: T1: abaixo de -50 kPa, T2: de -30 a -50 kPa , T3: de -10 a -30 kPa e T4: acima de -10 kPa. Foram medidos florescimento, taxa de assimilação de carbono (A), condutância estomática (gs), transpiração (E) e produção de frutos. Os frutos foram colhidos mais cedo no tratamento mais irrigado, T4, e a produtividade aumentou de 2,22 para 6,89 kg por planta de T1 para T4. O peso médio dos frutos aumentou de 78,6 para 96,1 g de T1 para T4. A assimilação de carbono aumentou de 6,89 para 9,51 μmol CO2 m-2 s-1 de T1 para T4. mundo brasileiro concentrase concentra se Pará limãocravo. limãocravo limão cravo. cravo limão-cravo Swingle ano tratamentos faixas T 50 -5 T2 30 -3 T3 10 -1 T4 florescimento A, (A) gs, gs (gs) E (E irrigado 222 2 22 2,2 689 6 89 6,8 786 78 78, 961 96 1 96, 951 9 51 9,5 CO m2 m m- s1 s s- - 3 (A (gs 2, 68 8 6, 7 95 9,

ABSTRACT Tahiti lime is a species of great economic importance worldwide. In Brazil, production is concentrated in the states of São Paulo and Pará, where it is usually grafted onto the Rangpur lime. This study aimed to analyze the effects of different irrigation depths on the fruit yield, phenology, and gas exchange of Tahiti lime trees grafted onto Swingle citrumelo. Irrigation was performed during the first year at four different irrigation depths in a random block design with five blocks and four treatments to maintain the soil matric potential in the following ranges: T1: below -50 kPa, T2: from -30 to -50 kPa, T3: from -10 to -30 kPa, and T4: above -10 kPa. The flowering, carbon assimilation rate (A), stomatal conductance (gs), transpiration (E), and fruit yield were measured. Fruits were harvested earlier in the most irrigated treatment, T4, and the yield increased from 2.22 to 6.89 kg per plant from T1 to T4. The average fruit weight escalated from 78.6 to 96.1 g from T1 to T4, and carbon assimilation increased from 6.89 to 9.51 μmol CO2m-2s-1 from T1 to T4. worldwide Brazil Pará phenology citrumelo ranges T 50 -5 kPa T2 30 -3 T3 10 -1 T4 flowering A, A , (A) gs, gs (gs) E, E (E) measured treatment 222 2 22 2.2 689 6 89 6.8 786 78 78. 961 96 1 96. 951 9 51 9.5 CO2m2s1 COms CO2m 2s CO m s CO2m-2s- 5 - 3 (A (gs (E 2. 68 8 6. 7 95 9. CO2m2s COm CO2m-2s

https://doi.org/10.1590/1807-1929/agriambi.v27n6p463-471

Multidisciplinary Scientific Cruises for Environmental Characterization in the Santos Basin – Methods and Sampling Design
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Moreira, Daniel L.

; Dalto, Adriana G.

; Figueiredo JR, Alberto G.

; Valerio, Aline M.

; Detoni, Amalia M. S.

; Bonecker, Ana C. T.

; Signori, Camila N.

; Namiki, Cláudia

; Sasaki, Dalton K.

; Pupo, Daniel V.

; Silva, Danilo A.

; Kutner, Deborah S.

; Duque-Castaño, Diana C.

; Marcon, Eduardo H.

; Gallotta, Fabiana D. C.

; Paula, Fabiana S.

; Gallucci, Fabiane

; Roque, Gabriela C. F.

; Campos, Giulia S.

; Fonseca, Gustavo

; Mattos, Gustavo

; Lavrado, Helena P.

; Silveira, Ilson C. A. da

; Costa, Jessica O.

; Santos Filho, João R. dos

; Carneiro, Juliane C.

; Moreira, Julio C.F.

; Rozo, Laura

; Araujo, Leandro F.M.

; Lazzari, Letícia

; Silva, Letícia O. da

; Michelazzo, Luan S.

; Fernandes, Luciano F.

; Dottori, Marcelo

; Araújo Jr., Marcus A. G. de

; Chuqui, Mateus G.

; Ceccopieri, Milena

; Borges-Silva, Milton

; Kampel, Milton

; Bergo, Natascha M.

; Silva, Paulo V. M.

; Tura, Pedro M.

; Moura, Rafael B. de

; Romano, Renato G.

; Martins, Renato P.

; Carreira, Renato S.

; Toledo, Rodrigo G.A.

; Bonecker, Sérgio L.C.

; Disaró, Sibelle T.

; Rodrigues, Silvana V.

; Corbisier, Thais N.

; Vicente, Thaisa M.

; Paiva, Vitor G. de

; Pellizari, Vivian H.

; Belo, Wellington C.

; Brandini, Frederico P.

; Sousa, Silvia H.M

Ocean and Coastal Research

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2023, Volume 71 Supl. 3 elocation e23022

Resumo: En | Texto: En | PDF: En

Abstract The Santos Basin (SB) is the main petroliferous basin in the Brazilian continental margin and one of the most studied marine areas in Brazil. However, historical data suggest that new efforts should be carried out to acquire quantitative biological data, especially in the deep sea, to establish the baseline of essential ocean variables in different ecosystems for future monitoring programs. The Brazilian energy company Petrobras planned and executed 24 oceanographic cruises over a period of 2 years to assess the benthic (SANSED cruise) and pelagic (SANAGU cruise) systems of the SB (356 days at sea in 2019 and 2021/2022). These efforts were part of the Santos Project, which comprised a comprehensive environmental study aimed at investigating benthic and pelagic variables to characterize ecology, biogeochemistry, thermohaline properties of water masses, and ocean circulation patterns, geomorphology, and sedimentology, as well as organic and inorganic chemistry. Here we present the detailed sampling designs and the field methods employed on board, during the SB scientific cruises. All sampling protocols were based on standardized approaches. For the benthos analyses, triplicate sediment samples were performed using a GOMEX-type box corer (0.25 m²) or a large modified Van Veen grab (0.75 m²) at 100 stations ranging from 25 to 2400 m depth. At each station, 25 geochemical and physico-chemical parameters were analyzed in addition to micro-, meio-, and macrofauna and living foraminifera samples. For the pelagic system, 60 stations were selected to investigate the plankton community, ranging in size from pico- to macroplankton, through vertical, horizontal, and oblique net hauls (20, 200, and 500 μm mesh size), as well as 25 biogeochemical parameters collected with an aid of a CTD-rosette sampler. Part of this scientific information also serves the Regional Environmental Characterization Project (PCR-BS) in support of Petrobras’ Santos Basin drilling licensing process led by the Brazilian Environmental Agency – IBAMA. This project contributes to the sustainable development of the SB, in line with the guidelines of the United Nations Decade of Ocean Science for Sustainable Development. (SB Brazil However programs SANSED cruise SANAGU 356 (35 201 2021/2022. 20212022 2021/2022 . 2021 2022 2021/2022) ecology biogeochemistry masses patterns geomorphology sedimentology chemistry board approaches analyses GOMEXtype GOMEX type 0.25 025 0 (0.2 m² 0.75 075 75 (0.7 10 240 depth station physicochemical physico chemical micro, micro , micro- meio, meio meio- system 6 community pico macroplankton vertical horizontal 20, 20 (20 200 50 size, size) CTDrosette CTD rosette sampler PCRBS PCR BS (PCR-BS IBAMA Development 35 (3 2021202 2021/202 202 0.2 02 (0. 0.7 07 7 1 (2 5 3 ( 202120 2021/20 0. (0 20212 2021/2 2021/

https://doi.org/10.1590/2675-2824071.22072dlm

Dietary pattern in women with polycystic ovary syndrome with and without associated non-alcoholic fatty liver disease: A cross-sectional study nonalcoholic non alcoholic disease crosssectional cross sectional
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Guimarães, Thais Cristine Moura

; Taranto, Daniela Oliveira de Lima

; Couto, Claudia Alves

; Nardelli, Mateus Jorge

; Cândido, Ana Lucia

; Hott, Cristina de Almeida

; Anastácio, Lucilene Rezende

; Reis, Fernando M.

; Rocha, Ana Luiza Lunardi

; Faria, Luciana Costa

Clinics

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2023, Volume 78 elocation 100288

Resumo: En | Texto: En | PDF: En

Abstract Introduction Women with Polycystic Ovary Syndrome (PCOS) have a higher prevalence of Nonalcoholic Fatty Liver Disease (NAFLD) than the general population. PCOS and NAFLD have common metabolic risk factors, however, the role of diet in NAFLD development is still uncertain in PCOS women. Objective To evaluate and compare the dietary patterns and nutritional intake in patients with PCOS with and without NAFLD. Method Cross-sectional study that included patients with PCOS diagnosed according to Rotterdam criteria. All participants were submitted to abdominal ultrasound to investigate liver steatosis. Dietary profile was assessed by 24-hour food recall (24hR), and Food Frequency Questionnaire (FFQ). Diet quality was assessed by the Healthy Eating Index (HEI) adapted for the Brazilian population. Physical activity practice was also assessed. Results 87 participants were included (average age 35.2 ± 5.7 years), among whom, 67 (77%) had NAFLD. The group with PCOS and NAFLD presented higher body mass index (BMI) (34.9 ± 4.5 vs. 30.4 ± 4.9 kg/m2; p = 0.001), Waist Circumference (WC) (103 [97‒113] vs. 95 [87.5‒100] cm; p < 0.001) and were considered physically active less frequently than those without NAFLD (34.3% vs. 60%; p = 0.04). Food intake and dietary patterns assessed by 24hR, FFQ and HEI presented no difference between the groups. Conclusions PCOS women with coexistent NAFLD had higher BMI, WC and were less physically active than those without NAFLD. Dietary evaluation showed that PCOS women with NAFLD had no significant difference in macro and micronutrients or food group intake and diet quality in comparison to those without NAFLD. (PCOS (NAFLD population factors however Crosssectional Cross sectional criteria steatosis 24hour hour 24 24hR hR , (24hR) FFQ. . (FFQ) (HEI 8 average 352 35 2 35. 57 5 7 5. years, years years) whom 6 77% 77 (77% BMI (BMI 34.9 349 34 9 (34. 45 4 4. vs 304 30 30. 49 kg/m2 kgm2 kgm kg m2 m 0.001, 0001 0.001 0 001 (WC 103 (10 97‒113 97113 97 113 [97‒113 87.5‒100 875100 100 [87.5‒100 cm 34.3% 343 3 (34.3 60% 60 0.04. 004 0.04 04 0.04) groups (24hR (FFQ (77 34. (34 kg/m 000 0.00 00 10 (1 97‒11 9711 11 [97‒11 87.5‒10 87510 [87.5‒10 34.3 0.0 (7 (3 1 ( 97‒1 971 [97‒1 87.5‒1 8751 [87.5‒1 0. 97‒ [97‒ 87.5‒ 875 [87.5‒ [97 87.5 [87.5 [9 87. [87. [ [87 [8

https://doi.org/10.1016/j.clinsp.2023.100288

Medicinal plant essential oils associated with biofilm to protect papaya fruits
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OSORIO, Pedro Raymundo Argüelles

; COSTA, Priscila Fonseca

; DALCIN, Mateus Sunti

; MOURÃO, Dalmarcia de Souza Carlos

; AGUIAR, Raimundo Wagner de Souza

; OLIVEIRA, Gabriella Rayssa Antunes da Silva

; FARIAS, David Ingsson Oliveira Andrade de

; DIAS, Felipe Rocha

; SANTOS, Gil Rodrigues dos

Food Science and Technology

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Jun 2021, Volume 41 Páginas 386 - 392

Resumo: En | Texto: En | PDF: En

Abstract The objective of this work was to associate the use of biofilms to Lippia sidoides (Lippia) and Morinda citrifolia (Noni) essential oils and their respective major constituents in post-harvest quality components. The evaluations in this study were chromatographic analysis the essential oils, fruit mass reduction effect, total soluble solids, peel color and fruit firmness. Regarding the adjustment and viability of the essential oil concentrations to be used in the treatments, a phytotoxicity test was performed. The main constituent found in Noni essential oil was octanoic acid, while for Lippia essential oil was thymol. The concentration of 3% of Noni and Lippia essential oils was the maximum to reach an acceptable level of phytotoxicity on papaya fruit peel. The paraffin + L. sidoides and paraffin + M. citrifolia treatments achieved the lowest reduction in pulp mass. In relation to total soluble solids, treatments did not show a significant difference. The best result for firmness was found in sunflower oil + noni coating. Sunflower oil + noni and sunflower oil + octanoic acid were the treatments that maintained normal yellow color in fruits for longer time.

https://doi.org/10.1590/fst.16620 526 downloads

Impact of schooling in the HIV/AIDS prevalence among Brazilian transgender women
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Batista, Rafael Loch

; Verduguez, Elisa dal Rosario

; Inacio, Marlene

; Cunha, Flávia Siqueira

; Marques, Mateus Diniz

; Gomes, Natália Lisboa Rosa Almeida

; Faria Jr, José Antônio D.

; Sircili, Maria Helena Palma

; Mendonça, Berenice B.

; Costa, Elaine M. Frade

; Domenice, Sorahia

Archives of Endocrinology and Metabolism

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Ago 2020, Volume 64 Nº 4 Páginas 369 - 373

Resumo: En | Texto: En | PDF: En

ABSTRACT Objective Discrimination and bullying are common conditions among LGBT people. During schooling, these practices compromising education. The aim of this study is to evaluate educational attainment among Brazilian transgender women (TW) and how their education level affects the risk of HIV infection. Study design a cross-sectional population-based study. Subjects and methods 95 adult TW were selected. Information concerning verbal and physical aggression, school dropout, school years (SY), and educational level were assessed. HIV status was screened using a fourth-generation immunoassay followed by western blot testing. Results The mean of SY was 9.1 ± 3.8 ys. The mean age at school dropout was 16.3 ± 3.4 ys old. Verbal aggression was reported by 83%, physical by 48%, and 18% of the TW dropped out school immediately after being physically assaulted. Participants who suffered physical aggression attended school for almost 4 years less than those participants who did not suffer this abuse (OR = -3.96, p < 0.0001). A similar result was found for verbal aggression (OR = -4.35; p < 0.0001). HIV/AIDS prevalence was 18% (n = 17). The mean of SY among HIV/AIDS positive and negative individuals were 6.8 ± 43 versus 9.7 ± 3, respectively (p = 0.004). Lower education was associated with higher frequency of HIV/AIDS among TW and this relationship was sustained after adjustment for injectable drug use and sex work (OR = 0.79, p = 0.04). Conclusion Among Brazilian TW, lower education level was a risk factor associated with HIV. The reasons for low schooling among TW are multifactorial, but verbal and physical harassment strongly contribute for it.

https://doi.org/10.20945/2359-3997000000260 664 downloads

Cymbopogon flexuosus essential oil as an additive improves growth, biochemical and physiological responses and survival against Aeromonas hydrophila infection in Nile tilapia
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SOUZA, ELIZÂNGELA M. DE

; SOUZA, RENILDE C. DE

; MELO, JOSÉ F.B.

; COSTA, MATEUS M. DA

; SOUZA, SELDON A. DE

; SOUZA, ANDERSON M. DE

; COPATTI, CARLOS E.

Anais da Academia Brasileira de Ciências

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2020, Volume 92 elocation e20190140

Resumo: En | Texto: En | PDF: En

Abstract The objective of the present study was to evaluate growth, biochemical, hematological and intestinal enzymes responses and survival of Nile tilapia juveniles fed a diet containing the essential oil of lemongrass Cymbopogum flexuosus (EOCF) and infected by Aeromonas hydrophila. Five diets were evaluated (in quadruplicate) with increasing levels of EOCF (0.0 - control; 0.25; 0.50; 1.0 and 2.0 mL kg diet-1). On day 45, eight fish per treatment were sampled and blood, liver and intestine samples were taken. Others eight fish per treatment were infected with A. hydrophila followed by a 15-day period of observation. Citral is the main constituent of EOCF. The inclusion of 2.0 mL EOCF kg diet-1 increased specific growth rate and survival after A. hydrophila infection and decreased feed conversion ratio of Nile tilapia. In general, higher concentrations of EOCF in the diet reduced plasma glucose and triglycerides levels, and increased plasma amino acids, alanine aminotransferase (ALT) and hepatic ALT levels, hematological parameters, and the activity of intestinal enzymes. It was concluded that the inclusion of 2.0 mL EOCF kg diet-1 improved growth performance, biochemical and physiological responses and decreased mortality of Nile tilapia after A. hydrophila infection.

https://doi.org/10.1590/0001-3765202020190140 697 downloads

Vertical transmission of HIV from 2007 to 2018 in a reference university hospital in Rio de Janeiro
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Gouvêa, Abilene do Nascimento

; Trajano, Alexandre José B.

; Monteiro, Denise L. M.

; Rodrigues, Nádia Cristina P.

; Costa, Julie Teixeira da

; Cavalcante, Mateus Benac

; Auar, Daniela Fortunato

; Gouvea, Erika Ferraz de

; Taquette, Stella Regina

Revista do Instituto de Medicina Tropical de São Paulo

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2020, Volume 62 elocation e66

Resumo: En | Texto: En | PDF: En

ABSTRACT The aim of the study was to assess the factors associated with mother-to-child transmission (MTCT) of HIV. The study design is a retrospective cohort. The population consisted of 323 HIV-positive mothers and their newborns, attended at the Perinatal Nucleus/HUPE-UERJ, municipality of Rio de Janeiro, in the period of 2007-2018. The average age of mothers was 27 years (14-44), with 12.7% (41) of adolescents. The majority (66.8%) knew they were infected during pregnancy: 39.4% in the current pregnancy and 27.4% in a previous pregnancy. The incidence of MTCT was 2.7% in 2007-2009, 1% in 2010-2015 and 0 in 2016-2018. The viral load in the 3rd trimester of pregnancy was > 1.000 copies/mL or unknown in all mothers with positive newborns and in 19% (42/221) of mothers with negative newborns (p=0.003). The duration of antiretroviral use was > 4 weeks in 92.3% (264/286) of mothers with HIV-negative newborns and in 2 in the HIV-positive group (p=0.004). One of the 4 infected newborns and 2 of the negative ones did not use oral zidovudine (p=0.04). There was no association between amniorrhexis and MTCT (p=0.99), with the Apgar score in the 5th minute of life (p=0.96), with marital status (p=0.54), ethnicity (p=0.65), adolescence (p=0.42), mode of delivery (p=0.99), beginning of prenatal care (p=0.44) or with maternal comorbidities (p=0.48). The conclusion of the study points out that the main factors associated with MTCT are the elevated maternal viral load in the 3rd trimester, the time of use of ART and the non-administration of zidovudine for the newborns.

https://doi.org/10.1590/s1678-9946202062066 629 downloads

10.

Antimicrobial activity of propolis extract fractions against Staphylococcus spp. isolated from goat mastitis
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Santos, Heidy C. Dos

; Vieira, Dielson S.

; Yamamoto, Sandra M.

; Costa, Mateus M.

; Sá, Maria C.A.

; Silva, Eva M.S.

; Silva, Tania M.S.

Pesquisa Veterinária Brasileira

Métricas do periódico
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Dez 2019, Volume 39 Nº 12 Páginas 954 - 960

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

RESUMO: O uso indiscriminado de antibióticos no tratamento de mastite caprina leva ao desenvolvimento de micro-organismos resistentes que poderão estar presentes em alimentos, colocando em risco a saúde humana. Dessa forma, a própolis surge como uma alternativa para o tratamento de doenças por possuir uma ação antimicrobiana, principalmente pela presença de flavonoides em sua composição. O objetivo desse estudo foi avaliar o potencial antimicrobiano da própolis frente à Staphylococcus spp. isolados de casos de mastite caprina e qualificar o extrato etanoico bruto por cromatografia líquida de alta eficiência (CLAE-DAD). Neste estudo, os valores de concentração bactericida mínima (CBM) dos extratos de própolis em álcool etílico, acetato de etila e hexano nos isolados foram de 6250, 3125 e 1562,5μg/mL, respectivamente. Pelo teste de aderência à microplacas, observou-se que 20,78% dos microorganismos, não foram capazes de formar biofilme, 14,70% foram classificados como moderados, 64,70% em fracos e nenhum como forte produtor de biofilme. A própolis em seus diferentes diluentes foi capaz de afetar a formação de biofilme e apresentou significativa atividade antimicrobiana frente a cepas de Staphylococcus spp., podendo ser indicada para utilização em estudos “in vivo”.

ABSTRACT: The indiscriminate use of antibiotics in the treatment of caprine mastitis causes the appearance of resistant microorganisms, besides leaving residues in milk, putting at risk to human health. In this way, propolis is an alternative in the treatment of diseases because it has antimicrobial activity, mainly because of the presence of flavonoids in its composition. The aim of this study was to evaluate the antimicrobial potential of propolis to Staphylococcus spp. Isolated from cases of goat mastitis and qualify the crude ethanoic extract by high performance liquid chromatography (HPLC). In this study, the minimum bactericidal concentration values of propolis extracts in ethanol, ethyl acetate and hexane showed that the best concentrations capable of promoting the highest mortality of the isolates of Staphylococcus spp. from mastitis in goats, were 6250, 3125 and 1562.5μg/mL, respectively. By the microplate adherence test, it was found that 20.78% isolates were not able to form biofilm, 14.70% were classified as moderate and 64.70% were weak and none as a strong biofilm producer. Propolis in its different diluents was able to affect the formation of biofilm and showed a pronounced marked antimicrobial activity against Staphylococcus spp. strains and may be indicated for use in in vivo studies.

https://doi.org/10.1590/1678-5150-pvb-5940 1156 downloads

11.

Chemical composition and antimicrobial activity of two extract of propolis against isolates of Staphylococcus spp. and multiresistant bacterials
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Amarante, Jarbas F.

; Ribeiro, Márcia F.

; Costa, Mateus M.

; Menezes, Fredson G.

; Silva, Tania M.S.

; Amarante, Talita A.B.

; Gradela, Adriana

; Moura, Liliane M.D.

Pesquisa Veterinária Brasileira

Métricas do periódico
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Set 2019, Volume 39 Nº 9 Páginas 734 - 743

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

RESUMO: É cada vez mais oportuna a necessidade de descobrir e desenvolver terapias alternativas para tratamento da mastite causada por Staphylococcus spp. e de infecções bacterianas multirresistentes. Este estudo examinou a composição química e o potencial antimicrobiano de dois extratos etanólicos de própolis (EPA e EPB) contra setenta e sete isolados de Staphylococcus spp. obtidos a partir de mastite bovina subclínica; três estirpes clínicas de MRSA e duas de linhagens clínicas de S. aureus ATCC, identificadas como, S. aureus ATCC 6538 e S. aureus ATCC 25923, ambas metacilina resistentes. O teor total de fenólicos foi determinado pelo método de Folin-Ciocalteau, o teor de flavonoides totais pelo método Dowd e o perfil fenólico foi quantificado por HPLC-DAD. CBM dos extratos foi avaliada pelo método de microdiluição em caldo. A quantidade total de compostos fenólicos e flavonoides foi maior no EPA do que no EPB. Ambos os extratos revelaram a presença dos ácidos cafeico, cumárico, cinâmico, ferúlico e 3,4-di-hidroxibenzóico, com maiores concentrações de ácidos cumárico e cinâmico. Os isolados de Staphylococcus spp. foram sensíveis a EPA (90,9%), EPB (83,1%) e oxacilina (80,5%). Os isolados suscetíveis à oxacilina também foram suscetíveis ao EPA (70,1%) e ao EPB (80,6%), enquanto os do resistente à oxacilina foram suscetíveis ao EPA (40,0%) e ao EPB (26,7%). MBC variou de 34,3 a 68,7μm/mL para EPA e de 68,7 a 137,5μg/mL para EPB. Ambos os extratos inibiram significativamente (100%) as linhagens clínicas de MRSA, S. aureus ATCC 6538 e S. aureus ATCC 25923 na concentração de 68,7μg/mL. Conclui-se que os extratos etanólicos da própolis, cujos principais constituintes são os ácidos cumário e cinâmico, possuem atividade antimicrobiana contra os micro-organismos estudados, e o EPA também contra as cepas resistentes à oxacilina. Estes achados reforçam seu potencial uso para o tratamento da mastite bovina.

ABSTRACT: There is a growing need to discover and develop alternative therapies for the treatment of mastitis caused by Staphylococcus spp. and multidrug-resistant bacterial infections. This study examined the chemical composition and antimicrobial potential of two propolis extracts (EPA and EPB) against seventy-seven isolates of Staphylococcus spp. obtained from subclinical bovine mastitis; three clinical strains of MRSA and two from clinical strains of S. aureus ATCC, identified as S. aureus ATCC 6538 and S. aureus ATCC 25923. The total phenolic content was determined by the Folin-Ciocalteau method, the total flavonoid content by the Dowd method and the phenolic profile was quantified by HPLC-DAD. The MBC values of the extracts were evaluated by broth microdilution method. The amount of total phenolic and flavonoid compounds was higher in EPA than EPB. Both extracts revealed the presence of caffeic, coumaric, cinnamic, ferulic and 3,4-dihydroxybenzoic acids, with higher concentrations of coumaric and cinnamic acids. Staphylococcus spp. isolates were susceptible to EPA (90.9%), EPB (83.1%) and oxacillin (80.5%). The oxacillin susceptible isolates were also susceptible to EPA (70.1%) and EPB (80.6%), whereas those oxacillin-resistant strains were also susceptible to EPA (40.0%) and to EPB (26.7%). MBC ranged from 34.3 to 68.7μm/mL for EPA and from 68.7 to 137.5μg/mL for EPB. Both extracts inhibited significantly (100%) the clinical strains of MRSA, S. aureus ATCC 6538 and S. aureus ATCC 25923 at the concentration of 68.7μg/mL. It is concluded that both extracts of propolis, whose main constituents are coumaric and cinnamic acids, have high antimicrobial activity against the microorganisms studied, and EPA also against oxacillin-resistant strains. These findings reinforce its potential use for the treatment of bovine mastitis.

https://doi.org/10.1590/1678-5150-pvb-6128 1164 downloads

12.

Morphology and biometry of the reproductive organs of adult males of Trachemys scripta elegans reared in São Paulo state, Brazil
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Gradela, Adriana

; Pires, Isabelle Caroline

; Faria, Marcelo D.

; Matos, Maria Helena T.

; Costa, Mateus M.

; Souza, Rita Kayla C.

; Milanelo, Liliane

; Franzo, Vanessa S.

Pesquisa Veterinária Brasileira

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Jul 2019, Volume 39 Nº 7 Páginas 538 - 548

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

RESUMO: Trachemys scripta elegans é um quelônio subaquático americano ilegalmente comercializado em pet shops brasileiros. Ao ser abandonado na natureza, compromete as espécies nativas, ameaçando à biodiversidade local. No entanto, pouco se conhece sobre o desenvolvimento corporal e a estrutura do seu aparelho reprodutor. O objetivo do presente trabalho foi investigar a morfologia e a biometria dos testículos, epidídimos e pênis, a biometria corporal e dos caracteres sexuais secundários. Foram utilizados 27 machos adultos desta espécie, visando contribuir com ações de preservação em cativeiro, controle populacional e pesquisas científicas, além de comparações interespecíficas. A identificação sexual pelo comprimento da terceira garra foi efetiva e os espécimes apresentaram desenvolvimento corporal harmônico e positivo entre massa, carapaça, plastrão e altura, com tendência unimodal e maior frequência de comprimento máximo de carapaça em 15,0cm. Testículos e epidídimos apresentaram semelhança biométrica entre os antímeros e estrutura anatômica e histológica semelhantes à de outras espécies de quelônios e mamíferos, excetuando-se pelo tipo de epitélio. Os achados sugerem haver morfologia conservada entre os cágados e homologia em relação aos mamíferos. A semelhança histológica com os órgãos reprodutivos de outros amniotas, incluindo os humanos, pode dar ensejo a estudos científicos e comparativos, essenciais para estabelecimento de estratégias de conservação em répteis.

ABSTRACT: Trachemys scripta elegans is an American underwater chelonian illegally marketed in Brazilian pet shops. When abandoned in nature, it compromises native species, threatening local biodiversity. However, little is known about the body development and structure of its reproductive tract. The objective of the present study was to investigate the morphology and biometry of testis, epididymis and penis, as well as the biometry of the body and secondary sexual characters in this species. Twenty-seven adult males were used aiming to contribute to preservation actions in captivity, population control, and scientific research, as well as to interspecific comparisons. Sex identification by the third claw length was effective, and the specimens presented harmonious and positive body development between mass, carapace, plastron, and height, with unimodal tendency and higher frequency of maximum carapace length at 15cm. The testes and epididymides presented biometric similarity between the antimeres and anatomical and histological structure similar to that of other species of chelonians and mammals, except for the type of epithelium. The findings suggest that there is conserved morphology between slider turtles and homology in relation to mammals. Histological similarity to the reproductive organs of other amniotes, including humans, may give rise to scientific and comparative studies, essential for the establishment of conservation strategies in reptiles.

https://doi.org/10.1590/1678-5150-pvb-5848 1100 downloads

13.

Low frequency of antibodies anti-Neospora caninum in rodents in Fernando de Noronha Island, Brazil
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LIMA, DÉBORA C.V. DE

; MELO, RENATA P.B. DE

; ANDRADE, MULLER R.

; DE ALCÂNTARA, ADRIANNE M.

; MAGALHÃES, FERNANDO JORGE R.

; CARVALHO, JÉSSICA C.S.

; SILVA, RENATO A. DA

; COSTA, MATEUS M. DA

; MOTA, RINALDO A.

Anais da Academia Brasileira de Ciências

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2019, Volume 91 Nº 4 elocation e20190439

Resumo: En | Texto: En | PDF: En

Abstract This study aimed to evaluate the frequency of Neospora caninum antibodies in rodents from the Island of Fernando de Noronha, Brazil, and to contribute to epidemiological data on neosporosis in this region. Blood samples were collected from 154 black-rats (Rattus rattus) and 12 rock-cavies (Kerodon rupestris). The search for anti-N. caninum antibodies was made using the NAT technique, with a cut-off of 1:20. The frequency of positive mice was 5.19% (8/154 - 1:20 titer) and all rock-cavies were negative. The low frequency of antibodies against N. caninum in rodents found in the Island shows the low contamination of the environment where these animals live.

https://doi.org/10.1590/0001-3765201920190439 562 downloads

14.

Frequency of Staphylococcus aureus virulence genes in milk of cows and goats with mastitis
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Acosta, Atzel C.

; Oliveira, Pollyanne Raysa F.

; Albuquerque, Laís

; Silva, Isamara F.

; Medeiros, Elizabeth S.

; Costa, Mateus M.

; Pinheiro Junior, José Wilton

; Mota, Rinaldo A.

Pesquisa Veterinária Brasileira

Métricas do periódico
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Nov 2018, Volume 38 Nº 11 Páginas 2029 - 2036

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

RESUMO: O presente estudo determinou a frequência de genes de virulência de Staphylococcus aureus em 2253 amostras de leite, sendo de vacas n=1000 e de cabras n=1253, procedentes das três regiões geográficas do estado de Pernambuco, Brasil. A presença de genes de fatores de virulência associados à adesão às células hospedeiras (fnbA, fnbB, clfA e clfB), toxinosis (sea, seb, sec, sed, seg, seh, sei, tsst, hla e hlb) e polissacarídeo capsular (cap5 e cap8) foram avaliadas por PCR. Um total de 123 e 27 cepas de S. aureus foram isoladas do leite de vacas e cabras, respectivamente. Os genes sec e tsst foram detectados exclusivamente em isolados de cabras, enquanto o gene seh foi identificado apenas em isolados de vaca. O número de genes de toxina por cepa mostrou que os isolados de cabras são potencialmente mais tóxicos do que os isolados obtidos de bovinos. O genótipo cap5 predominou em ambas as espécies hospedeiras, especialmente em cepas coletadas de vacas criadas na região Agreste. O genótipo cap8 é potencialmente mais virulento devido ao número de genes de virulência por isolado. Os resultados do presente estudo demonstram que S. aureus pode representar uma ameaça potencial para a saúde humana no Brasil e, portanto, estes resultados devem subsidiar ações relacionadas aos programas de controle de mastite.

ABSTRACT: The present study determined the frequency of Staphylococcus aureus virulence genes in 2,253 milk samples of cows (n=1000) and goats (n=1253) raised in three different geographical regions of the state Pernambuco, Brazil. The presence of genes of virulence factors associated to adhesion to host cells (fnbA, fnbB, clfA and clfB), toxinosis (sea, seb, sec, sed, seg, seh, sei, tsst, hla and hlb), and capsular polysaccharide (cap5 and cap8) was evaluated by PCR. A total of 123 and 27 S. aureus strains were isolated from cows’ and goats’ milk, respectively. The sec and tsst genes were detected exclusively in goats’ isolates, while the seh gene was only identified in cows’ isolates. The number of toxin genes per strain showed that goats’ isolates are likely more toxic than bovines’ isolates. The cap5 genotype predominated in both host species, especially in strains collected from cows raised in the Agreste region. The cap8 genotype is likely more virulent due to the number of virulence genes per strain. The results of the present study demonstrate that S. aureus may pose a potential threat to human health in Brazil, and, therefore, these results should support actions related to mastitis control programs.

https://doi.org/10.1590/1678-5150-pvb-5786 1600 downloads

15.

Influência do polipirrol e dos níveis de salinidade na formação de biofilme em Aeromonas spp.
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Pires, Isabelle Caroline

; Freire, Naiana B.

; Fernandes, Antônio W.C.

; Souza, Renata F.S.

; Silva Jr, Fernando A.G.

; Oliveira, Helinando P.

; Costa, Mateus M.

Pesquisa Veterinária Brasileira

Métricas do periódico
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Ago 2018, Volume 38 Nº 8 Páginas 1528 - 1536

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

RESUMO: Bactérias do gênero Aeromonas são patógenos altamente disseminados no ambiente aquático, responsáveis por grandes perdas econômicas na piscicultura de diversos países. São micro-organismos oportunistas e sua patogenicidade está ligada a alguns fatores de virulência, como a formação de biofilme. O estresse salino é um dos fatores que favorecem a formação dessas colônias e, consequentemente, o aumento de infecções. Essas infecções quando estão associadas ao biofilme são ainda mais resistentes aos antimicrobianos. Nesse contexto, o polipirrol destaca-se como uma alternativa antimicrobiana por possuir vários atributos terapêuticos e não apresentar toxicidade aos organismos. Dessa forma, o objetivo desse estudo foi avaliar o perfil de susceptibilidade e a capacidade de formação de biofilme dos isolados de Aeromonas spp. associados aos diferentes níveis de salinidade e polipirrol. Determinou-se a atividade antibacteriana dos isolados e ensaios de motilidade foram realizados com bactérias que carreavam o gene fla. Também verificou-se a capacidade do cloreto de sódio e polipirrol em interferir na formação do biofilme. Os resultados foram evidenciados com a microscopia eletrônica de varredura. As concentrações de 2 e 3% de NaCl inibiram a motilidade bacteriana. Na formação do biofilme, 83% dos isolados bacterianos induziram a produção na concentração de 0,25%. O polipirrol causou a morte de todos os isolados testados na concentração de 125μg/mL. Além disso, esse composto diminuiu a motilidade bacteriana nas concentrações de 0,25 a 3%, sendo que em relação à produção de biofilme, não houve interferência. Esses resultados evidenciam que os diferentes níveis de NaCl influenciam na formação do biofilme favorecendo a persistência da infecção. Este estudo também realçou a potencialidade do polipirrol como agente bactericida, sendo uma alternativa eficaz às drogas antimicrobianas para o tratamento das infecções causadas por Aeromonas spp.

ABSTRACT: Bacteria of the genus Aeromonas are highly disseminated pathogens in the aquatic environment, responsible for great economic losses in the pisciculture of several countries. They are opportunistic microorganisms and their pathogenicity is linked to some virulence factors, such as biofilm formation. Saline stress is one of the factors that favor the formation of these colonies and, consequently, the increase of infections. These infections, when associated with biofilm, are even more resistant to antimicrobials. In this context, polypyrrole stands out as an antimicrobial alternative because it has several therapeutic attributes and does not present toxicity to organisms. Thus, the objective of this study was to evaluate the susceptibility profile and the biofilm formation capacity of Aeromonas spp. associated with different levels of salinity and polypyrrole. The antibacterial activity of the isolates was determined and motility assays were performed with bacteria bearing the fla gene. The ability of sodium chloride and polypyrrole to interfere with biofilm formation has also been demonstrated. The results were evidenced with scanning electron microscopy. Concentrations of 2 and 3% of NaCl inhibited bacterial motility. In the biofilm formation, 83% of the bacterial isolates induced production at the concentration of 0.25%. Polypyrrole caused the death of all the isolates tested at the concentration of 125μg/mL. In addition, this compound decreased bacterial motility at concentrations of 0.25 to 3%, and no biofilm was produced. These results show that the different levels of NaCl influence in the formation of the biofilm favoring the persistence of the infection. This study also highlighted the potential of polypyrrole as a bactericidal agent, being an effective alternative to antimicrobial drugs for the treatment of infections caused by Aeromonas spp.

https://doi.org/10.1590/1678-5150-pvb-5374 1080 downloads

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