News tagged with human gut
Microbiologist discovers new super-preservative
(PhysOrg.com) -- In one of those freak accidents that sometimes occur in science, where someone is looking at something for one purpose and finds another for it, Dan O'Sullivan has found a use for a byproduct of harmless ...
Aug 17, 2011 |
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Scientists catalog zoo of bacteria inside our guts
(AP) -- The human gut is a virtual zoo, full of a wide variety of bacteria, a new study found. And scientists say that's a good thing.
Mar 03, 2010 |
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Our microbes, ourselves
In terms of diversity and sheer numbers, the microbes occupying the human gut easily dwarf the billions of people inhabiting the Earth. Numbering in the tens of trillions and representing many thousands of ...
Biology /
Jan 19, 2009 |
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Protein analysis investigates marine worm community
(Phys.org) -- Techniques used by researchers from the Department of Energy's Oak Ridge National Laboratory to analyze a simple marine worm and its resident bacteria could accelerate efforts to understand more ...
May 09, 2012 |
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Researchers create living human gut-on-a-chip
Researchers at the Wyss Institute for Biologically Inspired Engineering at Harvard University have created a gut-on-a-chip microdevice lined by living human cells that mimics the structure, physiology, and mechanics of the ...
Mar 27, 2012 |
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Genetic variation in human gut viruses could be raw material for inner evolution
(PhysOrg.com) -- A growing body of evidence underscores the importance of human gut bacteria in modulating human health, metabolism, and disease. Yet bacteria are only part of the story. Viruses that infect ...
Mar 19, 2012 |
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Lab study raises questions over nano-particle impact
Tests involving chickens have raised questions about the impact on health from engineered nano-particles, the ultra-fine grains commonly used in drugs and processed foods, scientists said on Sunday.
Nanotechnology / Bio & Medicine
Feb 12, 2012 |
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Closing in on an ulcer- and cancer-causing bacterium
A research team led by scientists at the Chinese University of Hong Kong is releasing study results this week showing how a bacterium, Helicobacter pylori, that causes more than half of peptic ulcers worldw ...
Dec 07, 2011 |
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Learning to tolerate our microbial self
(PhysOrg.com) -- The human gut is filled with 100 trillion symbiotic bacteria—ten times more microbial cells than our own cells—representing close to one thousand different species. "And yet, if ...
Apr 21, 2011 |
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Scientists demystify an enzyme responsible for drug and food metabolism
Scientists led by Michael Green at Penn State University, have solved a 40-year-old puzzle about the mysterious process by which a critical enzyme metabolizes nutrients in foods and chemicals in drugs such ...
Nov 11, 2010 |
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Study uses genetic approach to manipulate microbes in gut
We are what we eat, but who are "we"? New, high-powered genomic analytical techniques have established that as many as 1,000 different single-celled species coexist in relative harmony in every healthy human gut.
Jun 24, 2010 |
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Gut feeling: Intestinal germ helps sushi digestion
Japanese have an easy time digesting sushi and other seaweed-wrapped delicacies thanks in part to an intestinal bacterium that hijacked genes from a marine germ, scientists report on Wednesday.
Apr 07, 2010 |
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Friendly gut bacteria lend a hand to fight infection, study suggests
Immunology researchers at UT Southwestern Medical Center have found that bacteria present in the human gut help initiate the body's defense mechanisms against Toxoplasma gondii, the parasite responsible for to ...
Aug 19, 2009 |
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Human nose too cold for bird flu, says new study
(PhysOrg.com) -- Avian influenza viruses do not thrive in humans because the temperature inside a person's nose is too low, according to research published today in the journal PLoS Pathogens. The authors of the ...
May 15, 2009 |
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Salmonella Spills its Secrets on the Space Shuttle
Salmonella, what's gotten into you? Researchers have been asking themselves this question ever since Salmonella bacteria grown on board the space shuttle returned to Earth 3 to 7 times more virulent than S ...
May 07, 2009 |
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