Related topics: genes · bacteria

Two DNA defense systems behind resilience of 7th cholera pandemic

Cholera is caused by the bacterium Vibrio cholerae, a waterborne pathogen that infects the gut of humans through contaminated water and food. When ingested, V. cholerae colonizes the gut's inner surface, causing a watery ...

A genomic take on geobiology

Scientists know that atmospheric oxygen irreversibly accumulated on Earth around 2.3 billion years ago, at a time known as the Great Oxidation Event, or GOE. Prior to that time all life was microbial, and most, if not all, ...

Inflammation awakens sleepers

The inflammatory response that is supposed to ward off pathogens that cause intestinal disease makes this even worse. This is because special viruses integrate their genome into Salmonella, which further strengthens the pathogen.

In soil, death doesn't stop the spread of antibiotic resistance

Dead bacteria can still make their presence felt in the land of the living. New research led by Michigan State University integrative biologists is showing that this could have big implications for antibiotic resistance on ...

Scientists produce new QC tool for microbial genomes (w/ Video)

More than a thousand microbial genomes have been sequenced at various sequencing centers in the past 15 years to better understand their roles in tasks ranging from bioenergy to health to environmental cleanup. Conservative ...

Stick insects produce bacterial enzymes themselves

Many animals depend on their microbiome to digest their food. Symbiotic microorganisms produce enzymes their hosts cannot, and these work alone or together with the animals' own enzymes to break down their food. Many plant-feeding ...

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