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- Ama, CSA, Endocrine, Rupress, Csh, Aacr, Gale, Highwire, Aaas, Proquest, Jstor, Ovid, and Nephrology
Predation risk affects reproductive physiology and demography of elk.
Elk (Cervus elaphus) in the Greater Yellowstone Ecosystem alter patterns of aggregation, habitat selection, vigilance, and foraging in the presence of wolves (Canis lupus). Antipredator behaviors like these can reduce predation risk but are also likely to carry costs. Data from five elk populations...
Riboswitches. Sequestration of a two-component response regulator by a riboswitch-regulated noncoding RNA.
We show that in Listeria monocytogenes, a riboswitch that binds vitamin B12 controls expression of a noncoding regulatory RNA, Rli55. Rli55, in turn, controls expression of the eut genes, whose products enable ethanolamine utilization and require B12 as a cofactor. Defects in ethanolamine utilizatio...
You are what you eat, but what about your DNA?
Neuroscience. Astrocytes eyeball axonal mitochondria.
This Week's Section.
Atmospheric science. Methane on the rise--again.
Genetics. A unified process for neurological disease.
Around the world.
Infectious diseases. Goal of ending AIDS gains traction.