News tagged with genetically diverse
Study finds modern dog breeds genetically disconnected from ancient ancestors
Cross-breeding of dogs over thousands of years has made it extremely difficult to trace the ancient genetic roots of today's pets, according to a new study led by Durham University.
May 21, 2012 |
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Hitting snooze on the molecular clock: Rabies evolves slower in hibernating bats
The rate at which the rabies virus evolves in bats may depend heavily upon the ecological traits of its hosts, according to researchers at the University of Georgia, the U.S. Centers for Disease Control and Prevention and ...
May 18, 2012 |
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Genetic safety in numbers, platypus study finds
(Phys.org) -- Platypuses on the Australian mainland and in Tasmania are fighting fit but those on small islands are at high risk of being wiped out from disease, according to a University of Sydney study.
May 18, 2012 |
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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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Foxtail millet genome sequence completed
BGI, in cooperation with Zhangjiakou Academy of Agricultural Science, has completed the genome sequence and analysis of foxtail millet (Setaria italica), the second-most widely planted species of millet. This study provid ...
May 13, 2012 |
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Endangered wolves at NY preserve produce 8 pups
(AP) -- Eight rare Mexican wolf pups have been born at a preserve in the New York City suburbs, a development that could aid the federal program that has reintroduced the endangered species to the wild.
May 08, 2012 |
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Tasmanian tiger suffered low genomic diversity
The enigmatic Tasmanian tiger, known also as the thylacine, was hunted to extinction in the wild at the turn of the 20th century, and the last one died in a Tasmanian zoo in 1936.
Apr 18, 2012 |
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Traffic harms Asturian amphibians
The roads are the main cause of fragmenting the habitats of many species, especially amphibians, as they cause them to be run over and a loss of genetic diversity. Furthermore, traffic harms two abundant species ...
Apr 12, 2012 |
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Single gene mutation can sweep through bacterial population, opening the door for the concept of 'species'
Bacteria are the most populous organisms on the planet. They thrive in almost every known environment, adapting to different habitats by means of genetic variations that provide the capabilities essential ...
Apr 05, 2012 |
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Afghans share unique genetic heritage, DNA analysis shows
A study by The Genographic Project has found that the majority of all known ethnic Afghans share a unique genetic heritage derived from a common ancestral population that most likely emerged during the Neolithic revolution ...
Mar 27, 2012 |
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UC research tests new tool to guide reintroduction of the American chestnut
The death of the American Chestnut due to an Asian bark fungus accidentally introduced to the United States had profound environmental and economic consequences since the tree was highly valued for its strong, ...
Mar 19, 2012 |
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Increased honey bee diversity means fewer pathogens, more helpful bacteria
A novel study of honey bee genetic diversity co-authored by an Indiana University biologist has for the first time found that greater diversity in worker bees leads to colonies with fewer pathogens and more ...
Mar 12, 2012 |
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Increasing genetic diversity of honey bees needed
(PhysOrg.com) -- Increasing the overall genetic diversity of honey bees will lead to healthier and hardier bees that can better fight off parasites, pathogens and pests, says bee breeder-geneticist Susan Cobey ...
Mar 12, 2012 |
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Sexual reproduction can increase genetic variation but reduce species diversity
The role of sex in driving genetic variation and generating higher biodiversity has been debated for over a century. Speeding up evolution may increase genetic variation, but surprisingly it can reduce species diversity, ...
Mar 08, 2012 |
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Genetic survey of endangered Antarctic blue whales shows surprising diversity
More than 99 percent of Antarctic blue whales were killed by commercial whalers during the 20th century, but the first circumpolar genetic study of these critically endangered whales has found a surprisingly ...
Mar 07, 2012 |
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