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Opinion: Archaea Is Our Evolutionary Sister, Not Mother
Morgan Gaia, Violette Da Cunha, Patrick Forterre | Jun 1, 2018
The ancient organisms appear to be more closely related to eukaryotes than previously appreciated.
Mitochondria’s Bacterial Origins Upended
Shawna Williams | Apr 25, 2018
Contrary to some hypotheses, the organelles did not descend from any known lineage of Alphaproteobacteria, researchers find.
Evolution’s Quick Pace Affects Ecosystem Dynamics
Jef Akst | May 1, 2017
From fish harvests to cottonwood forests, organisms display evidence that species change can occur on timescales that can influence ecological processes.
Inflammation Drives Gut Bacteria Evolution
Ruth Williams | Mar 16, 2017
rapidly spread genes throughout the bacterial population during a gut infection, scientists show.
Evolution of Kin Discrimination
Ashley P. Taylor | Jul 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.
Ruth Williams | Feb 26, 2015
Strong selective pressure can lead to rapid and reproducible evolution in bacteria.
Week in Review: December 9–13
Tracy Vence | Dec 13, 2013
Animal family tree rearranged; how
evades the immune system; pharmacological chaperones and misfolded proteins
How Bacteria Evade the Immune System
Laasya Samhita | Dec 12, 2013
can quickly evolve to resist engulfment by macrophages, scientists have found.
Bacteria Can Integrate Degraded DNA
Kerry Grens | Nov 18, 2013
In lab experiments, bacteria usurp small, damaged fragments of DNA, including those from a 43,000-year-old woolly mammoth.
Expeditious TB Tests
Kate Yandell | Sep 10, 2013
New rapid tests for extensively drug-resistant tuberculosis appear highly accurate.