News tagged with biochemical mechanisms
Biologists Discover Missing Piece of Plant Clock
Mar 12, 2009 |
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(PhysOrg.com) -- Biologists at the University of California, San Diego have identified a key protein that links the morning and evening components of the daily biological clock of plants.
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Identifying abnormal protein levels in diabetic retinopathy
May 12, 2008 |
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Researchers in Massachusetts are reporting an advance in bridging huge gaps in medical knowledge about the biochemical changes that occur inside the eyes of individuals with diabetic retinopathy (DR) — a leading ...
Climate changing gas from some surprising microbial liaisons
Biology /
Apr 01, 2008 |
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The climate changing gas dimethyl sulphide (DMS) is being made by microbes at the rate of more than 200 million tonnes a year in the world’s seas, scientists heard today at the Society for General Microbiology’s 162nd meeting ...
Evolution education for K-12 teachers needs beefing up, says CU-Boulder professor
Feb 15, 2009 |
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A failure to grasp the fundamentals of biological systems may be leaving K-12 teachers and students vulnerable to claims by intelligent design creationists, new-age homeopaths and other "hucksters," according to a University ...
What is the role of reactive oxygen species in ethanol-mediated cell death of polarized hepatic cells?
Jun 15, 2009 |
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Liver disease that results as a consequence of alcohol abuse is a major medical problem worldwide. Ethanol consumption leads to a variety of liver alterations including the accumulation of fat, inflammation of the liver, ...
Fruit flies show how salmonella escapes immune defenses
Biology /
Apr 16, 2008 |
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Salmonella are wily and obnoxious bacterial invaders--escape artists capable of evading multiple immune responses and causing a harsh and debilitating intestinal infection.
Scientists discover how some bacteria survive antibiotics
Biology /
Apr 30, 2008 |
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Researchers at the University of Illinois at Chicago have discovered how some bacteria can survive antibiotic treatment by turning on resistance mechanisms when exposed to the drugs. The findings, published in the April 24 ...
Toxic molecule may help birds 'see' north and south
Jun 22, 2009 |
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Researchers at the University of Illinois report that a toxic molecule known to damage cells and cause disease may also play a pivotal role in bird migration. The molecule, superoxide, is proposed as a key ...
Measuring the strength needed to move chromosomes
Mar 11, 2009 |
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(PhysOrg.com) -- It’s about as long as the width of a human hair and only half that length across. So it’s tiny — measured in millionths of a meter — and extremely tricky to manipulate. But the meiotic spindle plays so irresistibly ...
Discovery could help stem infections of parasitic roundworms (w/ Video)
Aug 11, 2009 |
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Working with researchers in China, biologists at UC San Diego have discovered how a Chinese drug effective in killing parasitic roundworms works.
Research reveals molecular fingerprint of cocaine addiction
May 27, 2008 |
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The first large-scale analysis of proteins in the brains of monkeys addicted to cocaine reveals new information on how long-term cocaine use changes the amount and activity of various proteins affecting brain function.
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