Cell biologists believe that gene expression in eukaryotic cells is partly controlled by the uneven distribution of DNA in the nucleus. Colin Stewart and Audrey Wang at the A*STAR Institute of Medical Biology, Singapore, ...
Cell & Microbiology
Jun 19, 2013
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Anyone who has ever owned a pet will tell you that it has a unique personality. Yet only in the last 10 years has the study of animal personality started to gain ground with behavioral ecologists, said Jennifer Verdolin of ...
Plants & Animals
Jun 18, 2013
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Malaria-carrying mosquitos appear to be manipulated by the parasites they carry, but this manipulation may simply be part of the mosquitos' immune response, according to Penn State entomologists.
Cell & Microbiology
May 22, 2013
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Mapping all of the chemical, or epigenetic, changes to chromosomes that affect which genes are turned on or off—and thus determine the fate of genomically identical cells in the body—usually requires a large amount of ...
Cell & Microbiology
May 22, 2013
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When infections occur in the body, stem cells in the blood often jump into action by multiplying and differentiating into mature immune cells that can fight off illness. But repeated infections and inflammation can deplete ...
Cell & Microbiology
May 21, 2013
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A cocktail of non-pathogenic bacteria naturally occurring in the digestive tract of healthy humans can protect against a potentially lethal E. coli infection in animal models according to research presented today at the 113th ...
Cell & Microbiology
May 20, 2013
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(Phys.org) —Researchers have made a significant first step with newly engineered biomaterials for cell transplantation that could help lead to a possible cure for Type 1 diabetes, which affects about 3 million Americans.
Biochemistry
May 9, 2013
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Researchers at Washington University School of Medicine in St. Louis have discovered why breast cancer patients with dense breasts are more likely than others to develop aggressive tumors that spread. The finding opens the ...
Cell & Microbiology
May 5, 2013
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Whitehead Institute Founding Member Rudolf Jaenisch, who helped transform the study of genetics by creating the first transgenic mouse in 1974, is again revolutionizing how genetically altered animal models are created and ...
Cell & Microbiology
May 2, 2013
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To obtain very-high-resolution 3D images of the cerebral vascular system, a dye is used that fluoresces in the near infrared and can pass through the skin. The Lem-PHEA chromophore, a new product outclassing the best dyes, ...
Materials Science
May 2, 2013
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