(Phys.org) —How do organisms adapt over time? Do they evolve through a series of small beneficial steps as envisioned by Charles Darwin, or through a series of rare but large jumps? Or through a combination of both?
Evolution
Jun 28, 2013
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New evidence from a study of yeast cells has resulted in the most detailed picture of an organism's evolutionary process to date, says a Texas A&M University chemical engineering professor whose findings provide the first ...
Jan 16, 2009
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Beneficial mutations within a bacterial population accumulate during evolution, but performance tends to reach a plateau. Consequently, theoretical evolutionary models need to take into account a "braking effect" in expected ...
Evolution
Jun 8, 2011
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Bacteria and fungi are remarkably mobile. Now researchers at Tel Aviv University have discovered that the two organisms enjoy a mutually beneficial relationship to aid them in that movement — and their survival.
Cell & Microbiology
Nov 28, 2011
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Scientists from the Microbiology Department of the Faculty of Biology of the Lomonosov Moscow State University have discovered a new strain of lactic acid bacteria (LAB) that could be promising as a biopreservative for food ...
Cell & Microbiology
Dec 7, 2016
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Evolutionary adaptation is often compared to climbing a hill, and organisms making the right combination of multiple mutations – both good and bad – can become the king of the mountain.
Evolution
Jun 30, 2011
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Working to better predict general patterns of evolution, a University of Houston (UH) biologist and his team have discovered some surprising things about gene mutations that might one day make it possible to predict the progression ...
Evolution
Jun 2, 2011
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Evolution is usually thought to be a very slow process, something that happens over many generations, thanks to adaptive mutations. But environmental change due to things like climate change, habitat destruction, pollution, ...
Evolution
Jun 22, 2011
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The smell of cut grass in recent years has been identified as the plant's way of signalling distress, but new research says the aroma also summons beneficial insects to the rescue.
Plants & Animals
Sep 22, 2014
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Organic growers could soon have another weapon in their arsenal, courtesy of the humble worm.
Ecology
Dec 22, 2011
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