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Few clues about African ancestry to be found in mitochondrial DNA

Mitochondrial DNA may not hold the key to your origins after all. A study published today in the open access journal BMC Biology reveals that fewer than 10% of African American mitochondrial DNA sequences analysed can be matched to mitochondrial DNA from one single African ethnic group. There has been a growing interest in the use of mitochondrial DNA to trace maternal ancestries, and several com...

Common ancestry of bacterium and plants could be key to an effective new treatment for chlamydia

Rutgers researchers have discovered that the Chlamydia bacterium, which causes a sexually transmitted disease (STD), shares an evolutionary heritage with plants. That shared evolutionary heritage, which is not found in most other bacteria, points to a prime target for development of an effective cure for Chlamydia infections. "The unique connection between the Chlamydia bacterium and plant...

UBC researchers reveal dwarf aquatic plants' hidden ancestry

A team of UBC researchers has re-classified an ancient line of aquatic plants previously thought to be related to grasses and rushes. The discovery clarifies what may be one of the biggest misunderstandings in botanical history. "It’s a classic case of mistaken identity," says Sean Graham, an associate professor and researcher with the UBC Botanical Garden and Centre for Plant Research in...
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Breaking Medicine News(10 mins):Health News:WebMD Highlights Presidential Candidates' Views on Health Care 2Health News:ONA-PCE Announces Final Round of Endorsed Candidates for Ohio General Assembly 2Health News:ONA-PCE Announces Final Round of Endorsed Candidates for Ohio General Assembly 3Health News:Kristi Yamaguchi Chairs American Lung Association Christmas Seals Campaign 2Health News:Simpler Test May Be Best for Diagnosing Blood Clots in Leg 2Health News:Simpler Test May Be Best for Diagnosing Blood Clots in Leg 3
(Date:10/6/2008)...niversity plant scientists have discovered another...nts respond to high temperatures. That may allow p...t flourish in warmer, drier climates. , The MSU ...ate heat stress response in Arabidopsis thaliana ...lant for genetic studies. This is the first time b...
(Date:10/6/2008)...e insight into nitrogen air pollution effects on S...s, and protecting them provides safeguards for les...ed this month in the international journal Enviro...rogen from air pollution causes detrimental chemic...ic ecosystems. Other harmful effects include eleva...
(Date:10/6/2008)...by biologists at Washington University in St. Loui... in an area, the less chance humans have of exposu... for the birds. , "The bottom line is that where ...have much lower risk of contracting West Nile Feve...y in Arts & Sciences at Washington University in S...
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