Boosting survival of a beneficial bacterium in the human gut

The microbes that inhabit the gut are critical for human health, and understanding the factors that encourage the growth of beneficial bacterial species—known as "good" bacteria—in the gut may enable medical interventions ...

Artificial cells demonstrate that 'life finds a way'

Evolutionary biologist Jay T. Lennon's research team has been studying a synthetically constructed minimal cell that has been stripped of all but its essential genes. The team found that the streamlined cell can evolve just ...

New bacteria strain points the way toward 'super sourdough' bread

What better venue than San Francisco -- sourdough capital of the world -- to unveil a new natural sourdough ingredient that could replace conventional additives in a variety of other breads, while making them tastier and ...

How gut bacteria control immune responses

Bacteria in the human gut can directly deliver proteins into human cells, actively shaping immune responses. A consortium led by researchers at Helmholtz Munich, with participation from Ludwig Maximilians University (LMU), ...

How mosquitoes smell human sweat (and new ways to stop them)

Female mosquitoes are known to rely on an array of sensory information to find people to bite, picking up on carbon dioxide, body odor, heat, moisture, and visual cues. Now researchers reporting in the journal Current Biology ...

Healthy men who have vaginal sex have a distinct urethral microbiome

Contrary to common beliefs, your urine is not germ-free. In fact, a new study shows that the urethra of healthy men is teeming with microbial life and that a specific activity—vaginal sex—can shape its composition. The research, ...

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