News tagged with evolutionary factors
Researchers find genes that help frogs resist fungus
(PhysOrg.com) -- For several decades, the fungal pathogen Batrachochytrium dendrobatidis (Bd) has been decimating frogs, yet some populations and species have been able to resist the fatal disease, called ...
Sep 27, 2011 |
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Key genes may contain insight into evolution of dinosaurs
(PhysOrg.com) -- Birds and alligators have little in common, other than that the first is sometimes the other's lunch. That hasn't always been the case, though, and that's what attracts Arkhat Abzhanov.
Nov 05, 2010 |
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Moonstruck primates: Owl monkeys need moonlight as much as a biological clock for nocturnal activity
An international collaboration led by a University of Pennsylvania anthropologist has shown that environmental factors, like temperature and light, play as much of a role in the activity of traditionally nocturnal ...
Sep 03, 2010 |
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A worm bites off enough to chew (w/ Video)
Dramatic scenes are played out under Ralf Sommer's microscope: his research object, the roundworm Pristionchus pacificus, bites another worm, tears open a hole in its side and devours the oozing contents. The sq ...
Jul 01, 2010 |
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Rewiring of gene regulation across 300 million years of evolution
As published today in Science, researchers from Cambridge, Glasgow and Greece have discovered a remarkable amount of plasticity in how transcription factors, the proteins that bind to DNA to control the activation of gen ...
Apr 09, 2010 |
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The evolution of gene regulation: How microbial neighbors settle differences
Supply and demand could be a governing principle even at the genetic level, because most genes are only expressed when needed. Biologists at the Ludwigs-Maximilians-Universitat in Munich, Germany, show that in microbes evolutionary ...
May 26, 2009 |
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Evolution, ecosystems may buffer some species against climate change
(Physorg.com) -- Although ecologists expect many species will be harmed by climate change, some species could be buffered by their potential to evolve or by changes in their surrounding ecosystems.
Mar 05, 2009 |
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