million 2 9

Tag: "million" at biology news

Using computers and DNA to count bacteria

...ia can be deciphered," said Dunbar. "More than a million distinct genomes were present in the pristine soil, exceeding previous estimates by two orders of magnitude. When we examined the populations levels in metal-contaminated soil, we found the bacterial genetic diversity was reduced more than 99.9 perce...

Comparison of Cocaine, Methamphetamine ‘Highs?Finds Differences

...ia can be deciphered," said Dunbar. "More than a million distinct genomes were present in the pristine soil, exceeding previous estimates by two orders of magnitude. When we examined the populations levels in metal-contaminated soil, we found the bacterial genetic diversity was reduced more than 99.9 perce...

Assessing the Amazon River's sensitivity to deforestation

...ion of the stream network throughout the 6 and 1/2 million km2 basin, and by itself, took 5 people over nine ...ted river and floodplain system for the entire 6.5 million km2 basin. According to Coe, "The problem has always been that there simply aren't enough observatio...

Can our genes tell the story of our divergence?

...mpanzees forged separate evolutionary paths some 5 million to 6 million years ago, we shed our hirsute coat and heavy brow, mastered bipedal locomotion, and acquired a knac...

Could better mangrove habitats have spared lives in the 2004 tsunami?

...nts of the tsunami that killed over a quarter of a million people in Southeast Asia on the 26th of December, 2004, slowly disappear from the media, but the event is nevertheless heavily burned into the memories of those who are directly involved. In the aftermath of the disaster, academics and politicians al...

Stem Cells to Solve the Blood Shortage Problem?

...nts of the tsunami that killed over a quarter of a million people in Southeast Asia on the 26th of December, 2004, slowly disappear from the media, but the event is nevertheless heavily burned into the memories of those who are directly involved. In the aftermath of the disaster, academics and politicians al...

Identification of specific genes predicts which patients will respond to Hepatitis C treatment

...,000 Canadians are infected with it, and about 170 million people worldwide. Over time the viral infection leads to liver damage, cirrhosis and/or liver cancer. It is currently the leading indication for liver transplants. Liver biopsies were performed on the 31 chronic HCV patients before treatment, and we...

Insects develop resistance to engineered crops

...es. In 2004 these crops were grown on more than 13 million hectares (about 32 million acres) domestically and 22.4 million hectares (more than 55 million acres) worldwide. After eight ye...

Researchers feed tiny pills of RNA to planarians to identify genes essential for regeneration

...ogens are estimated to cause disease in nearly 300 million people throughout the world, these genes might make attractive drug targets," Sánchez Alvarado and his fellow researchers wrote in the study. The planarian makes an ideal biological model for three important reasons, according to Sánchez Alvarado. ...

TGen awarded $7.1 million to accelerate brain disease research

...itute (TGen) today announced the receipt of a $7.1 million grant from the National Institutes of Health (NIH)... technologies. This award is part of a greater $25 million grant that TGen will share with three other microarray centers that are part of the NIH Neuroscience...

Gifts from the sea

...he female sea urchin can produce as many as a half million eggs during spawning season, and fertilization and embryonic development are external and rapid. Such factors make this research organism ideal for the study of reproduction and development. Sea urchin research, much of which was carried out at the M...

Compound might defeat African sleeping sickness, clinical trial beginning this month

...then 300,000 people are infected, and more than 60 million living in the region are at risk. Now, real hope for a better treatment is on the horizon, based on research conducted in part at the University of North Carolina at Chapel Hill. In Phase II clinical trials, a new oral drug, DB289, demonstrated safe...

Gene expands malaria's invasion options

... most lethal form of malaria, which results in one million deaths a year worldwide. Some P. falciparum strains invade red blood cells via protein receptors on the surface that contain a sugar known as sialic acid. If scientists treat blood cells with an enzyme to remove sialic acid, the parasite can no l...

Scientists track stealth DNA elements in primate evolution

...ion activity has led to the generation of over one million copies of Alu elements in the human genome, making... the AluYb linage to an origin approximately 18-25 million years ago. Their results also indicated that the AluYb subfamily underwent a major species-specific ...

Six previously blind patients detect light, motion, identify objects with retinal prostheses

...AMD, as well. In fact, notes Humayun, there are 25 million people across the globe, including 6 million in the United States alone, who have been blinded, or are severely visually impaired, due to disease...

Multi-species genome comparison sheds new light on evolutionary processes, cancer mutations

...following the extinction of the dinosaurs about 65 million years ago. Before the sudden demise of dinosaurs and many other types of animals, which is thought to have resulted from a massive comet or asteroid striking Earth, mammals shared fairly similar body plans and also fairly similar genomes. Researcher...

OHSU research shows vitamin C counteracts some negative impacts of smoking on unborn babies

...ing pregnancy -- this translates to about a half a million American women a year. Reflecting the highly addictive nature of smoking, these women continue to smoke despite the warnings of their physicians and despite a tremendous public awareness campaign aimed at preventing smoking during pregnancy. While th...

'Punctuated' evolution in the human genome

...y narrow window of evolutionary time between 10-20 million years ago. This corresponds to the time period fol...vergence of humans and great apes. For the past 10 million years, however, no such "duplicative seeding" events appear to have occurred in this region of the g...

Hepatitis C responds best to combo of ribavirin and interferon, study concludes

...he Centers for Disease Control and Prevention, 170 million people worldwide are infected with HCV, and in the United States, alcoholic liver disease and chronic hepatitis C are the leading causes of cirrhosis. An additional estimated 25,000 new cases of HCV occur in the United States each year. Interferons ...

Spider blood found in 20 million year old fossil

...plets of spider blood in a piece of amber up to 20 million years old. Two droplets of blood, technically kno...in it can open up window into what was going on 20 million years ago. "By analysing the position of the spider's body in relation to the droplets of blood in ...

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