News tagged with genetic adaptations
Growing risks from hatchery fish
A newly published collection of more than 20 studies by leading university scientists and government fishery researchers in Alaska, British Columbia, Washington, Oregon, California, Russia and Japan provides ...
May 14, 2012 |
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Research on stickleback fish shows how adaptation to new environments involves many genes
A current controversy raging in evolutionary biology is whether adaptation to new environments is the result of many genes, each of relatively small effect, or just a few genes of large effect. A new study ...
Apr 03, 2012 |
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Subtle differences can lead to major changes in parasites
Researchers have found the subtle genetic differences that make one parasite far more virulent than its close relative.
Mar 22, 2012 |
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Culture not genes drives humans forward
Evolutionary biologist at the University of Reading Professor Mark Pagel argues that our cultural influences are more important to our success as a species than our genes in his new book published this week.
Other Sciences / Social Sciences
Feb 27, 2012 |
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Ancient DNA holds clues to climate change adaptation
(PhysOrg.com) -- Thirty-thousand-year-old bison bones discovered in permafrost at a Canadian goldmine are helping scientists unravel the mystery about how animals adapt to rapid environmental change.
Jan 31, 2012 |
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British butterfly is evolving to respond to climate change
As global temperatures rise and climatic zones move polewards, species will need to find different environments to prevent extinction. New research, published today in the journal Molecular Ecology, has re ...
Nov 30, 2011 |
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Plant genomes may help next generation respond to climate change
In the face of climate change, animals have an advantage over plants: They can move. But a new study led by Brown University researchers shows that plants may have some tricks of their own.
Oct 06, 2011 |
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Discovering the bigger picture in chromosomes
By mapping various genomes onto an X-Y axis, a team comprised mostly of Kansas State University researchers has found that Charles Darwin and a fruit fly -- among other organisms -- have a lot in common genetically.
Jul 06, 2011 |
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Study shows evolutionary adaptations can be reversed, but rarely
(PhysOrg.com) -- Ever since Charles Darwin proposed his theory of evolution in 1859, scientists have wondered whether evolutionary adaptations can be reversed.
May 11, 2011 |
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Subtle shifts, not major sweeps, drove human evolution
The most popular model used by geneticists for the last 35 years to detect the footprints of human evolution may overlook more common subtle changes, a new international study finds.
Feb 17, 2011 |
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Genomic comparison of ocean microbes reveals East-West divide in populations
Much as an anthropologist can study populations of people to learn about their physical attributes, their environs and social structures, some marine microbiologists read the genome of microbes to glean information ...
Oct 11, 2010 |
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Resurrected mammoth blood very cool (w/ Video)
(PhysOrg.com) -- A team of international researchers has brought the primary component of mammoth blood back to life using ancient DNA preserved in bones from Siberian specimens 25,000 to 43,000 years old.
May 03, 2010 |
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Rice responsible for Asians' alcohol flush reaction
The mutation responsible for the alcohol flush reaction, an unpleasant response to alcohol that is relatively common in people of Asian descent, may have occurred following the domestication of rice. Researchers writing in ...
Jan 19, 2010 |
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Northern forests do not benefit from lengthening growing season
Forests in northern areas are stunted, verging on the edge of survival. It has been anticipated that climate change improves their growth conditions. A study published last week in Forest Ecology and Management journal shows ...
Jan 12, 2010 |
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'Evolutionary forecasting' for drug resistance
Rice University biochemists are developing a system of "evolutionary forecasting" to better understand the mechanisms of antibiotic resistance.
Medicine & Health / Medical research
Sep 21, 2009 |
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