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From fish harvests to cottonwood forests, organisms display evidence that species change can occur on timescales that can influence ecological processes.

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image: Inflammation Drives Gut Bacteria Evolution

Inflammation Drives Gut Bacteria Evolution

By Ruth Williams | March 16, 2017

Viruses within Salmonella rapidly spread genes throughout the bacterial population during a gut infection, scientists show.

2 Comments

image: Evolution of Kin Discrimination

Evolution of Kin Discrimination

By Ashley P. Taylor | July 6, 2015

A bacterium’s ability to distinguish self from non-self can arise spontaneously, a study shows, reigniting questions of whether the trait can be considered an adaptation.

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image: Evolutionary Rewiring

Evolutionary Rewiring

By Ruth Williams | February 26, 2015

Strong selective pressure can lead to rapid and reproducible evolution in bacteria.

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image: Week in Review: December 9–13

Week in Review: December 9–13

By Tracy Vence | December 13, 2013

Animal family tree rearranged; how E. coli evades the immune system; pharmacological chaperones and misfolded proteins

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image: How Bacteria Evade the Immune System

How Bacteria Evade the Immune System

By Laasya Samhita | December 12, 2013

Escherichia coli can quickly evolve to resist engulfment by macrophages, scientists have found.

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image: Bacteria Can Integrate Degraded DNA

Bacteria Can Integrate Degraded DNA

By Kerry Grens | November 18, 2013

In lab experiments, bacteria usurp small, damaged fragments of DNA, including those from a 43,000-year-old woolly mammoth.  

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image: Expeditious TB Tests

Expeditious TB Tests

By Kate Yandell | September 10, 2013

New rapid tests for extensively drug-resistant tuberculosis appear highly accurate.

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image: Bacterial Gene Transfer Gets Sexier

Bacterial Gene Transfer Gets Sexier

By Kate Yandell | July 9, 2013

Mycobacterium smegmatis can donate larger portions of its genome to other bacteria than previously thought, approaching the level of gene shuffling seen in sexual reproduction.

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image: Bacterial Exploitation

Bacterial Exploitation

By Ruth Williams | July 5, 2012

Field studies reveal non-virulent bacteria take advantage of their virulent counterparts to get a free pass into their host.

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