نتایج جستجو برای: gut bacteria population
تعداد نتایج: 907019 فیلتر نتایج به سال:
BACKGROUND The distribution pattern of the earthworm gut microbiota at the host population level is of fundamental importance to understand host-microbiota interactions. Our current understanding of these interactions is very limited. Since feeding represents a main perturbation of the gut microbiota, we determined the effect of a single dose of feed on the microbiota associated with an earthwo...
All metazoan guts are subjected to immunologically unique conditions in which an efficient antimicrobial system operates to eliminate pathogens while tolerating symbiotic commensal microbiota. However, the molecular mechanisms controlling this process are only partially understood. Here, we show that bacterial-derived uracil acts as a ligand for dual oxidase (DUOX)-dependent reactive oxygen spe...
A priority in gut microbiome research is to develop methods to investigate ecological processes shaping microbial populations in the host from readily accessible data, such as fecal samples. Here, we demonstrate that these processes can be inferred from the proportion of ingested microorganisms that is egested and their egestion time distribution, by using general mathematical models that link ...
The incidence of breast cancer is increasing world-wide. According to the American Cancer Society, in 2009 there were 192,370 new cases of invasive breast cancer and 40,170 deaths from breast cancer in the United States. Currently, breast cancer in women is the second most common type of cancer and the risk of a woman having invasive breast cancer some time during her life is approximately 1 in...
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