Some E. coli set off viral grenades inside nearby bacteria

Some bacteria can trigger unexploded viral grenades in neighboring bacteria’s DNA. Certain Escherichia coli bacteria, including some that live in human intestines, make a chemical called colibactin. That chemical awakens…

Fecal transplant pills helped some peanut allergy sufferers in a small trial

PHOENIX — Pills loaded with bacteria from other people’s poop might help adults who are highly allergic to peanuts safely eat the nuts in small amounts. In a small clinical…

Why kitchen sponges are the perfect home for bacteria

Ask bacteria where they’d like to live, and they’ll answer: a kitchen sponge, please. Sponges are microbe paradises, capable of housing 54 billion bacteria per cubic centimeter. In addition to…

A chain mail–like armor may shield C. difficile from some antibiotics

Chain mail–like armor may help keep one superbug safe from bacteria-killing medicines. Clostridioides difficile bacteria are notorious for taking over the guts of people who have taken antibiotics to treat…

Gut microbes help some squirrels stay strong during hibernation

Gut microbes give some squirrels a helping hand to stay strong during hibernation. The microorganisms appear to help the squirrels recycle nutrients to keep the rodents’ muscles taut, researchers report…

Urban animals may get some dangerous gut microbes from humans

Animals moving into the big city could be getting more than they bargained for. Gut microorganisms from humans in cities may be spilling over into urban wildlife, potentially putting the…

A disinfectant made from sawdust mows down deadly microbes

A new, sustainable disinfectant made from sawdust and water can knock out more than 99 percent of some disease-causing microbes, including anthrax and several strains of flu. Widespread use of…

Drug-resistant bacteria evolved on hedgehogs long before the use of antibiotics

Beneath the prickly spines of European hedgehogs, a microbial standoff may have bred a dangerous drug-resistant pathogen long before the era of antibiotic use in humans. It’s no question that…

A bacteria-virus arms race could lead to a new way to treat shigellosis

When some bacteria manage to escape being killed by a virus, the microbes end up hamstringing themselves. And that could be useful in the fight to treat infections. The bacterium…

Gut bacteria let vulture bees eat rotting flesh without getting sick

Mention foraging bees and most people will picture insects flitting from flower to flower in search of nectar. But in the jungles of Central and South America, “vulture bees” have…