Biologists attribute variations among individual organisms to differences in genes or environment, or both. But a new study of nematode worms with identical genes, raised in identical environments, has revealed another factor: ...
Biotechnology
Feb 18, 2010
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(PhysOrg.com) -- Organically fed chickens develop a different process of gene expression in their small intestines than that of chickens which get conventional feed. The organic chickens have higher expressed genes involved ...
Biotechnology
Jan 7, 2010
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(PhysOrg.com) -- A group of British scientists and their Agricultural Research Service (ARS) colleague used a benign bacterium from the human gut to develop a microbe that someday might help treat inflammatory bowel disease ...
Cell & Microbiology
Dec 31, 2009
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Bacteria in drinks such as Vifit stop pathogens by using grabber-like arms to cling onto intestinal walls. This discovery is made by a group of Finnish, Belgium and Dutch researchers, under the coordination of Prof. Willem ...
Cell & Microbiology
Oct 16, 2009
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Medical researchers have long suspected that obscure bacteria living within the intestinal tract may help keep the human immune system in balance. An international collaboration co-led by scientists at NYU Langone Medical ...
Cell & Microbiology
Oct 15, 2009
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Researchers in Australia are developing diversionary tactics to fool disease-causing bacteria in the gut. Many bacteria, including those responsible for major gut infections, such as cholera, produce toxins that damage human ...
Cell & Microbiology
Sep 8, 2009
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Working with researchers in China, biologists at UC San Diego have discovered how a Chinese drug effective in killing parasitic roundworms works.
Biochemistry
Aug 11, 2009
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Every year, diarrhea causes around five million fatalities worldwide. Most people die due to pathogenic microorganisms, such as bacteria or viruses, which were ingested into the gastro-intestinal tract through contaminated ...
Cell & Microbiology
Jun 30, 2009
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Every cell lining the small intestine bristles with thousands of tightly packed microvilli that project into the gut lumen, forming a brush border that absorbs nutrients and protects the body from intestinal bacteria. In ...
Cell & Microbiology
Jun 29, 2009
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The bacterium Escherichia coli is part of the healthy human intestinal flora. However, E. coli also has pathogenic relatives that trigger diarrhea illnesses: enterohemorrhagic E.coli bacteria. During the course of an infection ...
Cell & Microbiology
Mar 19, 2009
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