Reproductive and somatic aging use different molecular mechanisms that show little overlap between the types of genes required to keep oocytes healthy and the genes that generally extend life span, according to Coleen Murphy, ...
Cell & Microbiology
Dec 6, 2011
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Plants coordinate growth using hormones called brassinosteroids (BR), and defects in the associated signaling pathway can result in profoundly stunted development. For example, researchers have identified numerous mutations ...
Cell & Microbiology
Aug 12, 2011
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Better understanding of plant defense systems, and the potential to generate stress-tolerant plants and even new malaria drugs, may all stem from the documentation of a molecular mechanism that plays a significant role in ...
Cell & Microbiology
May 27, 2011
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A group of researchers from EPFL's Global Health Institute (GHI) and Inserm (Institut National de la Santé et de la Recherche Médicale, the French government agency for biomedical research) has discovered that a ...
Cell & Microbiology
Mar 8, 2011
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While every cell of an organism contains the same genes only a proportion are expressed in any tissue at a given stage in development. Knowing the extent of gene transcription is valuable and a team of European researchers ...
Biotechnology
Jan 18, 2011
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In the most comprehensive analysis of its type published to date, scientists at Pacific Northwest National Laboratory have found that exposing human skin tissue cells, or fibroblasts, to low doses of ionizing radiation regulates ...
Biochemistry
Dec 17, 2010
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Deleting the receptor, not the protein ghrelin itself, turns up the body's fat-burning thermostat, giving aging mice an exothermic boost toward a svelte physique, researchers reported at the American Society of Cell Biology's ...
Cell & Microbiology
Dec 13, 2010
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Researchers reveal a new way in which cells restrain beta-catenin and potentially suppress tumor metastasis: the protein can be ejected from cells in small vesicles called exosomes. The study appears online on September 13 ...
Cell & Microbiology
Sep 13, 2010
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People feel it, animals feel it, and yes, plants sense it too. It's stress.
Plants & Animals
Mar 30, 2010
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Virginia Commonwealth University researchers have identified the role of a gene in regulating molecular signals involved with ovarian follicle development, which may one day help shed light on some of the causes of fertility ...
Biotechnology
Oct 2, 2009
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