Identificação dos principais pontos de contaminação por microrganismos indicadores de higiene em plantas de processamento de carnes

The microbiological quality of beef and meat products is strongly influenced by the conditions of hygiene prevailing during their production and handling. Without proper hygienic control, the environment in slaughterhouses and butcher shops can act as an important source of microbiological contamination. To identify the main points of microbiological contamination in the beef processing chain, 443 samples of equipment, installations and products were collected from 11 establishments (1 slaughterhouse and 10 butcher shops) located in the state of Paraná, Brazil. The microbiological quality of all the samples was evaluated using Petri dishes to obtain counts of mesophilic aerobes (AC), total coliforms, Escherichia coli (EC), yeasts and molds (YM). The main contamination points identified in butcher shops, in decreasing order, were stainless steel boxes, beef tenderizers, grinders, knives, mixers, sausage stuffers, plastic boxes, floors and drains. In the slaughterhouse, these points were sausage stuffers, platforms, floors and drains. The most severely contaminated products were fresh sausages and ground beef. This information about the main points of microbiological contamination in the beef processing chain is expected to aid professionals responsible for hygiene in similar establishments to set up proper hygienic procedures to prevent or reduce microbiological contamination of beef and meat products.A qualidade microbiológica de carne e derivados é altamente influenciada pelas condições higiênicas durante sua produção e manipulação. Sem um controle higiênico adequado, o ambiente de abatedouros e açougues pode representar um importante ponto de contaminação. Com o objetivo de identificar os principais pontos de contaminação microbiológica na linha de processamento de carne, 443 amostras de equipamentos, instalações e produtos foram coletados em 11 estabelecimentos (1 abatedouro e 10 açougues) localizados no Estado do Paraná, Brasil. A qualidade microbiológica das amostras foi determinada utilizando-se placas Petrifilm™ para contagem de aeróbios mesófilos (AC), coliformes totais e Escherichia coli (EC) e bolores e leveduras (YM). Nos açougues os principais pontos de contaminação identificados, em ordem decrescente, foram caixas de aço inoxidável, amaciadores de carnes, moedores, facas, misturadores, embutideiras, caixas plásticas, pisos e ralos. No abatedouro, os principais pontos foram embutideiras, superfícies da plataforma de abate, pisos e ralos. Os produtos cárneos que apresentaram maiores níveis de contaminação foram lingüiças frescas e carne moída. Esse trabalho identificou os principais pontos de contaminação microbiológica na linha de processamento de carne, podendo direcionar profissionais responsáveis pelas condições higiênicas na obtenção desses produtos na determinação de procedimentos higiênicos adequados, para evitar ou reduzir a contaminação microbiológica em carne e seus derivados

O cuidado de crianças e adolescentes negros com problemas de saúde mental na interseccionalidade entre gênero e raça

Objetivo: caracterizar el perfil sociofamiliar de niños y adolescentes negros con problemas de salud mental y describir desde un enfoque interseccional quién es responsable de su cuidado. Método: estudio exploratorio descriptivo de enfoque cualitativo, llevado a cabo en un Centro de Atención Psicosocial Infantil y Juvenil de la región norte del municipio de São Paulo. La recolección de datos se realizó con 47 familiares de niños y adolescentes negros, con el soporte de un guion con variables predefinidas, sometidas a análisis estadístico. Resultados: se realizaron 49 entrevistas, 95,5% con mujeres, con edad promedio de 39 años, 88,6% madres, 85,7% negras. La renta familiar procede del salario para el 100% de los cuidadores hombres y el 59% de las mujeres. Entre las cuidadoras negras, 25% tienen casa propia y, entre las pardas, 46,2%. Del total de cuidadores, el 10% vive en casas ocupadas, el 20% vive en viviendas cedidas, el 35% tiene casa propia y el 35% alquila. La red de contención social es mayor entre los blancos (16,7%), seguidos por los pardos (3,8%) y está ausente entre los negros (0%). Conclusión: las responsables por el cuidado de niños y e adolescentes negros atendidos en el CAPSij, son, casi en su totalidad mujeres, “madres o abuelas” negras (o mulatas), con acceso desigual a educación, trabajo y vivienda, derechos sociales constitucionales en Brasil.Objetivo: caracterizar o perfil sociofamiliar de crianças e adolescentes negros com problemas de saúde mental e descrever interseccionalmente quem se responsabiliza por seus cuidados. Método: estudo descritivo exploratório de abordagem quantitativa, desenvolvido em um Centro de Atenção Psicossocial Infantojuvenil da região norte do município de São Paulo. Os dados foram coletados com 47 familiares de crianças e adolescentes negros, utilizando um roteiro com variáveis pré-definidas, submetidas à análise estatística. Resultados: foram realizadas 49 entrevistas, sendo 95,5% com mulheres, média de idade de 39 anos, 88,6% mães, 85,7% negras. A renda familiar é proveniente de salário, para 100% dos cuidadores homens e para 59% das mulheres. Dentre as cuidadoras pretas, 25% possuem casa própria, sendo que, dentre as pardas, 46,2%. Do total de cuidadores, 10% vivem em condições de ocupação, 20% habitam moradias cedidas, 35% casas próprias e 35% alugadas. A rede social de suporte é maior entre os brancos (16,7%), seguido pelos pardos (3,8%) e ausente entre os pretos (0%). Conclusão: as responsáveis pelo cuidado de crianças e adolescentes negros acompanhados pelo CAPSij, são na quase totalidade mulheres, “mães ou avós” negras (pretas ou pardas), com acesso desigual à educação, trabalho e moradia, direitos sociais constitucionais no Brasil.Objective: to characterize the sociofamily profile of black-skinned children and adolescents with mental health problems and to intersectionally describe who assumes responsibility for their care. Method: a descriptive and exploratory study with a quantitative approach, developed in the Psychosocial Care Center for Children and Adolescents from the North region of the municipality of São Paulo. The data were collected from 47 family members of black-skinned children and adolescents, using a script with predefined variables submitted to statistical analysis. Results: a total of 49 interviews were conducted: 95.5% women with a mean age of 39 years old, 88.6% mothers and 85.7% black-skinned. Family income comes from wages for all the male caregivers and for 59% of the women. Among the black-skinned female caregivers, 25% live in their own house, whereas this percentage is 46.2% among the brown-skinned ones. Of all the caregivers, 10% have a job, 20% live in transferred properties, 35% in houses of their own and 35% in rented places. The social support network is larger among white-skinned people (16.7%), followed by brown-skinned (3.8%), and absent among black-skinned individuals (0%). Conclusion: those responsible for the care of black-skinned children and adolescents monitored by the CAPS-IJ are almost entirely women, black-skinned (black or brown) “mothers or grandmothers”, with unequal access to education, work and housing, constitutional social rights in Brazil

Possible oxidative effects of isotretinoin and modulatory effects of vitamins A and C in Saccharomyces cerevisiae

Isotretinoin (ITN), chemically known as 13-cis-retinoic acid, is a part of the broad group of compounds related to vitamin A. It is particularly employed in the treatment of nodular cystic acne and as an inhibitor of proliferation of neoplastic cells, by exerting a regulatory effect on the cell differentiation. This study aimed at investigating the possible oxidative effects of ITN and modulatory effects of vitamins A and C in mutant and non-mutant Saccharomyces cerevisiae strains. In addition, to reconfirm the oxidative effects, five in vitro antioxidant assays were also prepared taking the alpha-tocopherol analogue, trolox as a standard. In vivo study conducted on S. cerevisiae cells was carried out with ITN 20 μg/ml taking hydrogen peroxide (H2O2) as stressor (STR), whereas ITN 5 to 50 μg/ml was considered for in vitro assays taking similar dose of trolox (TRO). Results show ITN to have oxidative effect in both in vitro and in vivo tests. In conclusion, ITN produced oxidative effects and there may be an hypervitaminosis effect with vitamins A and C, thus insinuation to genetic material.Key words: Assay, isotretinoin, vitamin A, vitamin C, oxidative stress

Pervasive gaps in Amazonian ecological research

Biodiversity loss is one of the main challenges of our time,1,2 and attempts to address it require a clear un derstanding of how ecological communities respond to environmental change across time and space.3,4 While the increasing availability of global databases on ecological communities has advanced our knowledge of biodiversity sensitivity to environmental changes,5–7 vast areas of the tropics remain understudied.8–11 In the American tropics, Amazonia stands out as the world’s most diverse rainforest and the primary source of Neotropical biodiversity,12 but it remains among the least known forests in America and is often underrepre sented in biodiversity databases.13–15 To worsen this situation, human-induced modifications16,17 may elim inate pieces of the Amazon’s biodiversity puzzle before we can use them to understand how ecological com munities are responding. To increase generalization and applicability of biodiversity knowledge,18,19 it is thus crucial to reduce biases in ecological research, particularly in regions projected to face the most pronounced environmental changes. We integrate ecological community metadata of 7,694 sampling sites for multiple or ganism groups in a machine learning model framework to map the research probability across the Brazilian Amazonia, while identifying the region’s vulnerability to environmental change. 15%–18% of the most ne glected areas in ecological research are expected to experience severe climate or land use changes by 2050. This means that unless we take immediate action, we will not be able to establish their current status, much less monitor how it is changing and what is being lostinfo:eu-repo/semantics/publishedVersio

Pervasive gaps in Amazonian ecological research

Biodiversity loss is one of the main challenges of our time,1,2 and attempts to address it require a clear understanding of how ecological communities respond to environmental change across time and space.3,4 While the increasing availability of global databases on ecological communities has advanced our knowledge of biodiversity sensitivity to environmental changes,5,6,7 vast areas of the tropics remain understudied.8,9,10,11 In the American tropics, Amazonia stands out as the world's most diverse rainforest and the primary source of Neotropical biodiversity,12 but it remains among the least known forests in America and is often underrepresented in biodiversity databases.13,14,15 To worsen this situation, human-induced modifications16,17 may eliminate pieces of the Amazon's biodiversity puzzle before we can use them to understand how ecological communities are responding. To increase generalization and applicability of biodiversity knowledge,18,19 it is thus crucial to reduce biases in ecological research, particularly in regions projected to face the most pronounced environmental changes. We integrate ecological community metadata of 7,694 sampling sites for multiple organism groups in a machine learning model framework to map the research probability across the Brazilian Amazonia, while identifying the region's vulnerability to environmental change. 15%–18% of the most neglected areas in ecological research are expected to experience severe climate or land use changes by 2050. This means that unless we take immediate action, we will not be able to establish their current status, much less monitor how it is changing and what is being lost

ATLANTIC EPIPHYTES: a data set of vascular and non-vascular epiphyte plants and lichens from the Atlantic Forest

Epiphytes are hyper-diverse and one of the frequently undervalued life forms in plant surveys and biodiversity inventories. Epiphytes of the Atlantic Forest, one of the most endangered ecosystems in the world, have high endemism and radiated recently in the Pliocene. We aimed to (1) compile an extensive Atlantic Forest data set on vascular, non-vascular plants (including hemiepiphytes), and lichen epiphyte species occurrence and abundance; (2) describe the epiphyte distribution in the Atlantic Forest, in order to indicate future sampling efforts. Our work presents the first epiphyte data set with information on abundance and occurrence of epiphyte phorophyte species. All data compiled here come from three main sources provided by the authors: published sources (comprising peer-reviewed articles, books, and theses), unpublished data, and herbarium data. We compiled a data set composed of 2,095 species, from 89,270 holo/hemiepiphyte records, in the Atlantic Forest of Brazil, Argentina, Paraguay, and Uruguay, recorded from 1824 to early 2018. Most of the records were from qualitative data (occurrence only, 88%), well distributed throughout the Atlantic Forest. For quantitative records, the most common sampling method was individual trees (71%), followed by plot sampling (19%), and transect sampling (10%). Angiosperms (81%) were the most frequently registered group, and Bromeliaceae and Orchidaceae were the families with the greatest number of records (27,272 and 21,945, respectively). Ferns and Lycophytes presented fewer records than Angiosperms, and Polypodiaceae were the most recorded family, and more concentrated in the Southern and Southeastern regions. Data on non-vascular plants and lichens were scarce, with a few disjunct records concentrated in the Northeastern region of the Atlantic Forest. For all non-vascular plant records, Lejeuneaceae, a family of liverworts, was the most recorded family. We hope that our effort to organize scattered epiphyte data help advance the knowledge of epiphyte ecology, as well as our understanding of macroecological and biogeographical patterns in the Atlantic Forest. No copyright restrictions are associated with the data set. Please cite this Ecology Data Paper if the data are used in publication and teaching events. © 2019 The Authors. Ecology © 2019 The Ecological Society of Americ

Rapid and automated methods for indicators microorganisms enumeration in milk - use in Brazil

A presente revisão descreve os principais métodos rápidos e automatizados utilizados para enumeração de microrganismos indicadores em leite e avalia sua adequação ou não na indústria láctea brasileira.    This review describes the main rapid and autosnated mothods used for indicators microorganism enumeration in milk. Discussing their adequacy or inadequacy in Biszilian dairy industry.