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  • gut bacteria
  • resistant bacteria
  • gut bacteria
Your search has returned 455 articles:
  • News

    Gut bacteria may change the way many drugs work in the body

    Prescribing the best medication may require going with a patient’s gut — or at least, the bacteria that live there.

    Anecdotal reports have revealed that some gut-dwelling microbes chemically alter oral medications, affecting how well those drugs work (SN Online: 7/19/13). But the scope of this problem has remained unclear. Now, a sweeping survey of these interactions suggests that gut...

    06/03/2019 - 11:00 Microbiology, Biomedicine, Health
  • News

    How bacteria nearly killed by antibiotics can recover — and gain resistance

    Mostly dead bacteria can sometimes be resurrected as antibiotic-resistant cells.

    A protein that pumps toxic chemicals out of E. coli bacterial cells can buy time for even nearly dead microbes to become antibiotic resistant. The protein, known as the AcrAB-TolC multidrug efflux pump, doesn’t work well enough to defeat antibiotics on its own. But it can move enough antibiotic molecules out...

    05/28/2019 - 06:00 Microbiology, Genetics, Biomedicine
  • News

    A gut bacteria transplant may not help you lose weight

    Changing your gut microbes may not help you lose belly fat.

    In a preliminary study, obese people got either capsules containing gut microbes from a lean person or placebo pills. Microbes from the lean donor took hold in the guts of the obese recipients. But early results suggest that the bacteria didn’t change the volunteers’ weight or levels of a hormone that helps signal fullness,...

    05/09/2019 - 00:05 Microbiology, Health, Clinical Trials
  • 50 years ago, scientists were unlocking the secrets of bacteria-infecting viruses

    Unusual virus is valuable tool —

    Viruses, which cannot reproduce on their own, infect cells and usurp their genetic machinery for use in making new viruses.... But just how viruses use the cell machinery is unknown.… Some answers may come from work with an unusual virus, called M13, that has a particularly compatible relationship with ... [E. coli] bacteria. — Science News, April 5...

    04/05/2019 - 06:00 Microbiology
  • Reviews & Previews

    In ‘The Perfect Predator,’ viruses vanquish a deadly superbug

    The Perfect PredatorSteffanie Strathdee and Thomas PattersonHachette Books, $28

    Epidemiologist Steffanie Strathdee and her husband, Thomas Patterson, went to Egypt in 2015 expecting to come home with some photos and souvenirs. Instead, Patterson was hit with his own version of the 10 plagues. 

    At first, doctors in Egypt thought Patterson had pancreatitis. But his health...

    04/01/2019 - 09:00 Health, Microbiology, Biomedicine
  • News

    How helpful gut microbes send signals that they are friends, not foes

    Some gut bacteria really put the hooks into their host — but in a good way. Observations in mice show that certain filamentous microbes use a hooklike appendage to send messages that researchers believe are aimed at preventing immune cells from attacking the microbes.

    The finding, reported in the March 8 Science, could help explain how an immune system distinguishes friendly gut bacteria...

    03/07/2019 - 14:26 Cells, Immune Science, Microbiology
  • News

    Eating a lot of fiber could improve some cancer treatments

    What you eat can affect how well immune therapies work against cancer. High-fiber diets may change gut microbes and make these therapies more effective, but taking probiotics could do the opposite.

    Researchers looked at people with melanoma skin cancer who were getting a kind of immune therapy called PD-1 blockade or checkpoint inhibition (SN: 10/27/18, p. 16). Those who ate a high-fiber...

    03/01/2019 - 12:32 Microbiology, Cancer, Immune Science
  • Feature

    A gut-brain link for Parkinson’s gets a closer look

    Martha Carlin married the love of her life in 1995. She and John Carlin had dated briefly in college in Kentucky, then lost touch until a chance meeting years later at a Dallas pub. They wed soon after and had two children. John worked as an entrepreneur and stay-at-home dad. In his free time, he ran marathons.

    Almost eight years into their marriage, the pinky finger on John’s right hand...

    12/07/2018 - 09:00 Health, Neuroscience, Microbiology
  • Reviews & Previews

    Two new books explore the science and history of the 1918 flu pandemic

    The U.S.S. Leviathan set sail from Hoboken, N.J., on September 29, 1918, carrying roughly 10,000 troops and 2,000 crewmen. The ship, bound for the battlefields in France, had been at sea less than 24 hours when the first passengers fell ill. By the end of the day, 700 people had developed signs of the flu.

    The medical staff tried to separate the sick from the healthy, but that soon...

    12/07/2018 - 07:00 Health, History of Science, Microbiology