Contact killing of Salmonella by human faecal bacteria

Our gut is home to trillions of bacteria, numbering more than the cells in the rest of our body, and these bacteria help us to digest our food, absorb nutrients and strengthen our immune system. This complex bacterial ecosystem, ...

Probiotic toxin fights coldwater disease in rainbow trout

The rainbow trout is a work of art and diner's delight. But when the freshwater fish falls prey to Coldwater Disease, its colorful body erodes into ragged wounds and ulcers. The bacterial infection can kill up to 30 percent ...

New technique could prevent biofilms on catheters and medical implants

Biofilms—mats of bacteria similar to the plaque that grows on teeth—frequently coat the surfaces of catheters, and of various medical implants and prostheses, where they can threaten lives or lead to failure of the implants. ...

Improving nature's tools for digesting plastic

Enzymes found in nature can break down certain plastics, but not well enough to support industrial recycling and stem the scourge of plastic waste. Building on what nature has provided, researchers at Rensselaer Polytechnic ...

Better chocolate with microbes

For decades, researchers have worked to improve cacao fermentation by controlling the microbes involved. Now, to their surprise, a team of Belgian researchers has discovered that the same species of yeast used in production ...

Plague bacteria take refuge in amoebae

Yersinia pestis, the bacterium that causes bubonic plague, can survive within the ubiquitous soil protozoan, the amoeba, by producing proteins that protect against the latter microbe's digestion. The research is published ...

Changing pigs' diets alters the gut microbiota

Including chicory in cereal-based diets of pigs results in profound changes in gut micro-environment, morphology, and microbial population of pigs, according to a study in the June 2012 Applied and Environmental Microbiology. ...

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