Results 31 to 40 of about 76,079 (313)

Distribuição de nutrientes inorgânicos e bactérias no estuário do Rio Camboriú/SC [PDF]

open access: yes, 2003
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológco. Programa de Pos-Graduação em Engenharia Ambiental.Durante o período de um ano, junho de 2000 a junho de 2001, foi avaliado parâmetros físicos (temperatura, OD, salinidade
Costódio, Patrícia Fóes Scherer
core  

Cell geometry and membrane protein crowding constrain Escherichia coli growth rate, overflow metabolism, respiration, and maintenance energy

open access: yesFEBS Letters, EarlyView.
The physical dimensions and shape of bacterial cells define the surface area available to acquire nutrients and the volume available for synthesizing proteins and DNA. Here, we use computational systems biology to decode the importance of cell geometry as a major determinant of prokaryotic phenotype, including growth rate and metabolic efficiency. This
Ross P. Carlson   +6 more
wiley   +1 more source

Absorção de nutrientes no intestino delgado

open access: yes, 2016
Apresenta a explicação de como ocorre a absorção de nutrientes pelas células epiteliais do intestino delgadoComponente Curricular::Educação Superior::Ciências Biológicas::Biologia GeralComponente Curricular::Educação Superior::Ciências da Saúde ...
Fundação Centro de Ciências e Educação Superior a Distância do Estado do Rio de Janeiro (CECIERJ)
core   +1 more source

Estoque de serapilheira e fertilidade do solo em pastagem degradada de Brachiaria decumbens após implantação de leguminosas arbustivas e arbóreas forrageiras

open access: yesRevista Brasileira de Ciência do Solo, 2013
As pastagens formam a base da pecuária brasileira; essas sofrem degradação em larga escala por deficiência de nitrogênio (N). O consórcio com leguminosas, além de fixar N, pode apresentar outros efeitos na fertilidade do solo como acidificação ou ...
André Barbosa Silva   +4 more
doaj   +1 more source

Compatibilidad Quitosano-Bradyrhizobium aplicados a semillas y su efecto en el desarrollo vegetativo de soya (Glycine max (L.) Merrill)

open access: yesAgronomía Mesoamericana, 2021
Introducción. El quitosano y las rizobacterias promotoras del crecimiento vegetal son reconocidos bioestimulantes agrícolas por los beneficios biológicos que aportan a las plantas. Objetivo.
Daimy Costales-Menéndez   +4 more
doaj   +1 more source

Microbiome−host proteostasis crosstalk—An emerging perspective on mechanisms and interventions toward healthy longevity

open access: yesFEBS Letters, EarlyView.
Proteostasis and the gut microbiota play a key role in shaping host physiology. Microbiota‐derived metabolites, vitamins, and RNA modulate host proteostasis. Findings from model systems, including C. elegans, indicate microbes can either stabilize or disrupt host proteostasis.
Abhishek Anil Dubey, Maria Ermolaeva
wiley   +1 more source

Ciclagem de nutrientes em ecossistemas de pastagens tropicais

open access: yes, 2018
A degradação das pastagens brasileiras tem sido um problema crescente, principalmente em regiões de fronteira agrícola, onde as práticas de manejo adotadas são inadequadas, causando um desequilíbrio neste ecossistema.
José Raliuson Inácio Silva   +6 more
core   +1 more source

Quality of surface water related to land use: a case study in a catchment with small farms and intensive vegetable crop production in southern Brazil

open access: yesRevista Brasileira de Ciência do Solo, 2014
Water degradation is strongly related to agricultural activity. The aim of this study was to evaluate the influence of land use and some environmental components on surface water quality in the Campestre catchment, located in Colombo, state of Parana ...
Karina Hacke Ribeiro   +6 more
doaj   +1 more source

Nutrients and Muscle Disease [PDF]

open access: yesBioMed Research International, 2015
Myopathies, classified as either hereditary or acquired, lead to common, clinically relevant complaints including fatigue, progressive strength loss, myalgias, and cramps. Important progress has been made in the comprehension of the molecular mechanisms underlying muscle diseases but, in the majority of cases, their clinical management is symptom ...
E. Nisoli, R. Grange, G. D'Antona
openaire   +3 more sources

From mice to humans—divergent strategies for intestinal homeostasis and regeneration

open access: yesFEBS Letters, EarlyView.
Recent advances such as organoid genome editing, xenotransplantation, imaging, and whole‐genome sequencing have enabled direct studies of human intestinal stem cells (ISCs). These studies reveal species‐specific features, including slower ISC proliferation, distinct injury responses, slower somatic mutation accumulation in humans, and an inverse ...
Keiko Ishikawa   +2 more
wiley   +1 more source

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