An unprecedented study of intra-uterine lactation in the tsetse fly, published 18 April 2012 in Biology of Reproduction's Papers-in-Press, reveals that an enzyme found in the fly's milk functions similarly in mammals, making ...
Plants & Animals
Apr 18, 2012
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Scientists have made many important discoveries in biology and medicine through studying the internal contents of cells. Some have isolated or identified nucleic acids or proteins with special functions, while others have ...
Analytical Chemistry
Mar 15, 2012
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In a standard biology textbook, cells tend to look more or less the same from all sides. But in real life cells have fronts and backs, tops and bottoms, and they orient many of their structures according to this polarity ...
Cell & Microbiology
Feb 19, 2012
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Winning a fight can raise aggressiveness, and a study of fighting crickets, published Dec. 21 in the online journal PLoS ONE, provides new insight into the biochemical mechanism that may be responsible.
Plants & Animals
Dec 21, 2011
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New research has found that a protein associated with learning and memory plays an integral role in changing the behaviour of locusts from that of harmless grasshoppers into swarming pests.
Plants & Animals
Dec 19, 2011
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Scientists have discovered that bacteria like E. coli and Salmonella have a sneaky way of making minor alterations to their genes to boost their chances for infection.
Biochemistry
Aug 23, 2011
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(PhysOrg.com) -- The molecular machinery bacteria use to rid themselves of toxic substances including antimicrobial drugs has been studied in detail by a UA-led team of researchers. A better understanding of these mechanisms ...
Cell & Microbiology
May 10, 2011
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Tomato plants use similar biochemical mechanisms to reject pollen from their own flowers as well as pollen from foreign but related plant species, thus guarding against both inbreeding and cross-species hybridization, report ...
Plants & Animals
Dec 23, 2010
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The chance discovery of a genetic mutation that makes mice enormously fat but protects them from diabetes has given researchers at Boston University School of Medicine, USA, new insights into the cellular mechanisms that ...
Biochemistry
Dec 15, 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.
Biochemistry
Aug 11, 2009
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