Antibiotic resistance is a significant and growing medical problem worldwide. Researchers at the Marine Biological Laboratory (MBL) and collaborators have found a novel genetic arrangement that may help a common bacterium ...
Molecular & Computational biology
Mar 1, 2024
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27
A research team lead by scientists from the Max Planck Institute for Biology, Tübingen, Germany, has now made substantial progress in understanding how gut bacteria succeed in their human hosts on a molecular level. They ...
Cell & Microbiology
Jun 28, 2022
2
123
The "friendly" bacteria inside our digestive systems are being given an upgrade, which may one day allow them to be programmed to detect and ultimately treat diseases such as colon cancer and immune disorders.
Cell & Microbiology
Jul 9, 2015
1
74
One of the most common bacteria in the human gut, Bacteroides thetaiotaomicron, can now be engineered with new functions and re-introduced into the intestinal tract of a mouse. The work, appearing July 9 in the new journal ...
Cell & Microbiology
Jul 9, 2015
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65
(PhysOrg.com) -- Continuing autumn rains are producing conditions that can increase lameness and mastitis in dairy herds in South Dakota.
Other
Oct 6, 2010
1
0
Do you know what is in your drinking water? A study by a University of Tennessee, Knoxville, professor may have you thinking twice the next time you fill up that glass of tap water.
Environment
May 19, 2010
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0
Bacteroides is a genus of Gram-negative, bacillus bacteria. Bacteroides species are non-endospore-forming, anaerobes, and may be either motile or non-motile, depending on the species. The DNA base composition is 40-48% GC. Unusual in bacterial organisms, Bacteroides membranes contain sphingolipids. They also contain meso-diaminopimelic acid in their peptidoglycan layer.
Bacteroides are normally mutualistic, making up the most substantial portion of the mammalian gastrointestinal flora, where they play a fundamental role in processing of complex molecules to simpler ones in the host intestine. As many as 1010-1011 cells per gram of human feces have been reported. They can use simple sugars when available; however, the main sources of energy for Bacteroides species in the gut are complex host-derived and plant glycans .
One of the most important clinically is Bacteroides fragilis.
Bacteroides melaninogenicus has recently been reclassified and split into Prevotella melaninogenica and Prevotella intermedia.
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