(Phys.org) —Cellular processes in most organisms are regulated by an internal clock, and proteins called cryptochromes are at the core of its central oscillator. The three dimensional structures of cryptochromes from mouse ...
Cell & Microbiology
Jun 11, 2013
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What makes one Argonaute a slicer and another one not? Human Argonaute proteins are key players in the gene regulation process known as RNA interference, RNAi. Professor Joshua-Tor's group of Cold Spring Harbor Laboratory ...
Cell & Microbiology
Jun 6, 2013
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How and when evolution generates diversity or gives form to proteins, living beings' functional building blocks, are essential questions that still surround the theory of evolution. In humans, the majority of genes have emerged ...
Biotechnology
Jun 6, 2013
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A team of USC scientists has identified a protein that can change DNA topology, making DNA twist up into a so-called "supercoil."
Cell & Microbiology
Mar 11, 2013
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Protein activity is strictly regulated. Incorrect or poor protein regulation can lead to uncontrolled growth and thus cancer or chronic inflammation. Members of the Institute of Veterinary Biochemistry and Molecular Biology ...
Cell & Microbiology
Mar 10, 2013
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During embryo development, genes are dynamically, and very precisely, switched on and off to confer different properties to different cells and build a well-proportioned and healthy animal. Fgf8 is one of the key genes in ...
Biotechnology
Feb 28, 2013
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Small stretches of DNA in the human genome are known as "pseudogenes" because, while their sequences are nearly identical to those of various genes, they have long been thought to be non-coding "junk" DNA.
Cell & Microbiology
Feb 24, 2013
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Computer scientists at Virginia Tech developed a new approach to address the shortcomings in the computational analysis of the multiple ways interactions can occur within cells. Their award winning work may lead to further ...
Cell & Microbiology
Jan 24, 2013
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A research team led by biogeochemists at the University of California, Riverside has tested a popular hypothesis in paleo-ocean chemistry, and proved it false.
Cell & Microbiology
Dec 23, 2012
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Chromosomes - long, linear DNA molecules – are capped at their ends with special DNA structures called telomeres and an assortment of proteins, which together act as a protective sheath. Telomeres are maintained through ...
Cell & Microbiology
Nov 21, 2012
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