Navegação Ciências Biológicas por Título
Resultados 2471-2490 de 3081
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Reproductive parameters and longevity of Gryon gallardoi (Brethes) (Hymenoptera : Scelionidae) parasitizing Spartocera dentiventris (Berg) (Hemiptera : Coreidae) eggs
(2006) [Artigo de periódico]A fecundidade, a produção diária de prole e a longevidade de Gryon gallardoi (Brethes) (Scelionidae) foram determinadas em condições de laboratório, utilizando-se ovos de Spartocera dentiventris (Berg) (Hem.; Coreidae) ... -
Reproductive period and fecundity of Serrapinnus piaba (Characidae: Cheirodontinae) from the rio Ceará Mirim, Rio Grande do Norte, Brazil
(2003) [Artigo de periódico]Espécimes de Serrapinnus piaba foram coletados mensalmente de abril de 2001 a abril de 2002, no rio Ceará Mirim, Rio Grande do Norte, Brasil. O período reprodutivo, determinado através da variação mensal do índice ... -
Reproductive period, fecundity and histology of gonads of two cheirodontines (Ostariophysi:Characidae) with different reproductive strategies: insemination and external fertilization
(2010) [Artigo de periódico]São descritos o período reprodutivo e a fecundidade do queirodontíneo inseminador Compsura heterura e do queirodontíneo de fecundação externa Odontostilbe pequira, coletados nas regiões tropical e subtropical do Brasil, ... -
Reproductive strategy of a non-annual rivulid in a perennial wetland
(2015) [Artigo de periódico]Atlantirivulus riograndensis (Costa & Lanés, 2009) is a fish registered to the basin of Patos lagoon and the adjacent coastal plains in southern states of Rio Grande do Sul and Santa Catarina, Brazil, found in shallow water ... -
Reprogramming human A375 amelanotic melanoma cells by catalase overexpression : Upregulation of antioxidant genes correlates with regression of melanoma malignancy and with malignant progression when downregulated
(2016) [Artigo de periódico]Reactive oxygen species (ROS) are implicated in tumor transformation. The antioxidant system (AOS) protects cells from ROS damage. However, it is also hijacked by cancers cells to proliferate within the tumor. Thus, ... -
Reptile diversity of Sinos River Basin
(2018) [Artigo de periódico]This work aimed to catalog the species of reptiles of the Sinos River Basin based on records from scientific collections and data collected in the field. We recorded 65 species, including 46 snakes, nine lizards, five ... -
Reptile pet trade in Brazil : a regulatory approach to sustainable biodiversity conservation
(2021) [Artigo de periódico]The pet trade is the main cause of the growing number of exotic reptiles worldwide, posing a risk for invasion emergence and species extinction. In this study, we identify and analyze the obstacles involved in controlling ... -
Reptiles of the Parque Estadual de Itapuã, state of Rio Grande do Sul, southern Brazil
(2012) [Artigo de periódico]Herein we provide a list of reptiles from Parque Estadual de Itapuã, a conservation unit of integral protection located in the municipality of Viamão, state of Rio Grande do Sul, southern Brazil and inserted in the domains ... -
Rescue and genetic assessment of soybean-nodulating Bradyrhizobiumspp. strains from an experimental field thirty years after inoculation
(2020) [Artigo de periódico]As thelong-term phenotype and genetic stability of bacteria used as inoculant are important parameters in their ecology and for agricultural purposes, this study aimed genotypically characterize several-rescued bradyrhizobia ... -
Resistant enterococci isolated from raw sheep’s milk and cheeses from South region of Brazil
(2023) [Artigo de periódico]Enterococci have been used as sentinel organisms for monitoring antimicrobial resistance in food, humans, and other animals. In this sense, the present study evaluated the antimicrobial susceptibility profile and the ... -
Resistência a antimicrobianos em enterococos isolados de amostras de fezes de suínos
(2005) [Artigo de periódico]Nos últimos anos, os enterococos têm sido considerados importantes patógenos nosocomiais associados a infecções de difÍcil tratamento, devido a multiresistência a antimicrobianos. Freqüentes ocorrências de enterococos ... -
Resistência a beta-lactâmicos em Acinetobacter spp isolados de efluente hospitalar no sul do Brasil
(2009) [Artigo de periódico]Acinetobacter spp é um importante patógeno causador de infecções nosocomiais que acomete pacientes imunocomprometidos e capaz de adquirir resistência a antimicrobianos com facilidade. Os esgotos hospitalares são importantes ... -
Resistência antimicrobiana da Salmonella spp. em suínos : revisão
(2022) [Artigo de periódico]A suinocultura representa uma atividade muito relevante para o Brasil, gerando empregos, renda e desenvolvimento. Atualmente, o mercado nacional e internacional vem exigindo um status sanitário de rebanho cada vez mais ... -
Resolution of inflammation in chronic disease via restoration of the heat shock response (HSR)
(2024) [Artigo de periódico]Effective resolution of inflammation via the heat shock response (HSR) is pivotal in averting the transition to chronic inflammatory states. This transition characterizes a spectrum of debilitating conditions, including ... -
Responses of the phytoplankton functional structure to the spatial and temporal heterogeneity in a large subtropical shallow lake
(2018) [Artigo de periódico]Aim: Studies on biological communities that take into account only the species composition and abundances (or biomass) and their relative contributions, most of the time, do not reflect their ecological functions, especially ... -
Responses of water mite assemblages (Acari) to environmental parameters at irrigated rice cultivation fields and native lakes
(2017) [Artigo de periódico]Many studies have revealed that water mite communities can be affected by the physical and chemical parameters of the water. The similarity between the water ‘mite assemblages in local water bodies and in irrigated rice ... -
Response to treatment in Brazilian patients with chronic hepatitis C is associated with a single-nucleotide polymorphism near the interleukin-28B gene
(2013) [Artigo de periódico]A single-nucleotide polymorphism (SNP) upstream of interleukin (IL)28B was recently identified as an important predictor of the outcome of chronic hepatitis C patients treated with pegylated interferon plus ribavirin ...