A plant that is unremarkable in one environment becomes an invasive species in another, pushing through house foundations and sprouting up through roads. A house sparrow that's a perfectly charming resident of the English ...
Ecology
Oct 2, 2012
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A team of researchers in Singapore has determined the structure of a pair of proteins that may play an important role in tumor growth and the progression of cancer. The proteins, Vestigial (Vg) and Scalloped (Sd), normally ...
Cell & Microbiology
Sep 12, 2012
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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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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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(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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Max Planck researchers analyze the two chromosome sets in the human genome separately for the first time.
Biotechnology
Sep 12, 2011
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Why different species have dissimilar sets of chromosomes? Why the differentiated species often conserve apparently identical chromosome complements? Furthermore, why, while chromosome rearrangements can considerably change ...
Cell & Microbiology
Aug 25, 2011
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How does nature's great diversity in the shape and size of organisms evolve? The group of David Stern at Princeton University has managed to show how in fruit flies a gene enhancer can change its function through stepwise ...
Evolution
Jun 30, 2011
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As it turns out, humans aren't the only organisms that turn to caffeine for a pick-me-up. University of Iowa scientists have identified four different bacteria that actually can live on caffeine.
Cell & Microbiology
Jun 7, 2011
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By unlocking the genetic secrets of sorghum, Agricultural Research Service (ARS) scientists have found a way to make one of the world's most important cereal crops a better option for growers. Researchers at the ARS Natural ...
Biotechnology
Jun 15, 2010
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