To generate an overall view of cell function, molecular biologists build simultaneous expression, or activity, profiles of thousands of genes. Gene expression begins with a process called transcription, during which the DNA ...
Biotechnology
Jun 22, 2012
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In April 2009, the world took notice as reports surfaced of a virus in Mexico that had mutated from pigs and was being passed from human to human. The H1N1 "swine flu," as the virus was named, circulated worldwide, killing ...
Analytical Chemistry
Jun 11, 2012
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Nitric oxide (NO) is a versatile free radical that plays central roles in the environment as well as living organisms. At low concentration in the human body, for example, NO protects organs against pathogens by acting as ...
Biochemistry
Jun 8, 2012
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Scientists from the Medical Research Council (MRC) Institute of Genetics and Molecular Medicine (IGMM) at the University of Edinburgh have discovered an enzyme that corrects the most common mistake in mammalian DNA.
Cell & Microbiology
May 10, 2012
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In classical mythology, the cypress tree is associated with death, the underworld and eternity. Indeed, the family to which cypresses belong, is an ancient lineage of conifers, and a new study of their evolution affords a ...
Plants & Animals
May 3, 2012
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Alu elements infiltrated the ancestral primate genome about 65 million years ago. Once gained an Alu element is rarely lost so comparison of Alu between species can be used to map primate evolution and diversity. New research ...
Plants & Animals
Apr 30, 2012
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(Phys.org) -- A U.S. Department of Agriculture (USDA) scientist has shown researchers and plant breeders a better way to handle the massive amounts of data being generated by plant molecular studies, using an approach that ...
Biotechnology
Apr 18, 2012
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All cattle are descended from as few as 80 animals that were domesticated from wild ox in the Near East some 10,500 years ago, according to a new genetic study.
Evolution
Mar 27, 2012
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Genome sequencing alone provides researchers with only limited information on the organism works because it neither reveals how the system is regulated nor does it indicate the role of each specific DNA sequence or RNA transcript. ...
Biotechnology
Mar 26, 2012
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(AP) -- Roy J. Britten, a pioneering molecular biologist who discovered the crucial fact that humans and animals have multiple copies of some DNA segments, has died. He was 92.
Other
Feb 22, 2012
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