Within the cells, the RNA polymerase (RNAP) protein complex clutches DNA like a crab claw, scanning across gene-coding regions and transcribing these sequences into the messenger RNA molecules that will ultimately provide ...
Cell & Microbiology
Mar 4, 2011
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Crested gibbons (genus Nomascus) live in dense Asian rainforest, specifically in China, Laos, Cambodia and Vietnam, and, because of their environment, they communicate with other gibbons by singing. Both males and females ...
Evolution
Feb 7, 2011
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(PhysOrg.com) -- A major driving force of evolution comes from mistakes made by cells and how organisms cope with the consequences, University of Arizona biologists have found. Their discoveries offer lessons for creating ...
Evolution
Jan 24, 2011
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Researchers at the University of Exeter have developed a new approach to studying potentially deadly disease-causing bacteria which could help speed up the process of finding vaccines.
Cell & Microbiology
Dec 23, 2010
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The nature-nurture debate is a "giant step" closer to being resolved after scientists studying bees documented how environmental inputs can modify our genetic hardware. The researchers uncovered extensive molecular differences ...
Plants & Animals
Nov 2, 2010
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(PhysOrg.com) -- For the first time, scientists have discovered that a poorly understood class of RNA produced in a mammal's cells during a respiratory virus attack may affect the outcome of the infection. Their findings ...
Cell & Microbiology
Oct 26, 2010
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More than a thousand microbial genomes have been sequenced at various sequencing centers in the past 15 years to better understand their roles in tasks ranging from bioenergy to health to environmental cleanup. Conservative ...
Biotechnology
May 25, 2010
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(PhysOrg.com) -- Countless words have been put to paper over the years in attempts to describe the beauty of a tree -- including carefully crafted passages by the world?s most gifted writers. But those writings pale in comparison ...
Biotechnology
Apr 29, 2010
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Researchers from NYU Langone Medical Center have discovered and characterized a general mechanism that controls transcription elongation in bacteria. The mechanism, described in the April 23 issue of Science, relies on physical ...
Biotechnology
Apr 22, 2010
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In a multidisciplinary approach, Professor Yves Barral, from the Biology Department at ETH Zurich and the computer scientists Dr. Gina Cannarozzi and Professor Gaston Gonnet, from the Computer Science Department of ETH Zurich ...
Cell & Microbiology
Apr 16, 2010
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