Bacteria Produce Aphrodisiac That Sets Off Protozoan Mating Swarm

Researchers seeking the evolutionary roots of the animal kingdom have discovered a bacterium, Vibrio fischeri, that acts as an aphrodisiac on a species of protozoan choanoflagellates, the closest living relatives of animals, by releasing an enzyme that sends Salpinogoeca rosetta, into a full mating frenzy.  … Read more

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Cell News—Evolutionary biology: Same gene, different mutation drives pigeon and dove feathered crowns

Charles Darwin loved pigeons. Much of his evidence for variation as a driver in evolutionary change cited in “On the Origin of Species” is based on his first-hand knowledge of Victorian “fancy” pigeon breeding. Of course, Darwin lacked all knowledge of modern genetics but now  … Read more

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Keynote Talks Take the Very Long View at ASCB/IFCB 2014

ASCB’s joint meeting in Philadelphia with the International Federation for Cell Biology (IFCB) last month was all about crossing borders. Twenty-eight percent of the attendees were from institutions outside the U.S. while another harder to count but strongly represented group came from biophysics, bioengineering, mathematical  … Read more

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