Over the last ten years, a number of studies have suggested that, in animal cells, translation and protein turnover play a larger role in determining the different levels at which proteins are expressed than transcription. ...
Cell & Microbiology
Feb 27, 2014
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(Phys.org) —The central dogma of biology is that DNA gives rise to mRNA, which then gives rise to protein. Thus, it has been widely assumed that changes in specific mRNA levels are always accompanied by commensurate changes ...
Cell & Microbiology
Oct 28, 2013
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(Phys.org) —In many regards, a brief time-lapse video can teach more about embryonic development than any amount of reading. It is hard not to be impressed how a repeatable form reliably emerges despite considerable variation ...
We have a lot to live for. Families. Hobbies. Careers. It's no wonder that we are always on a quest to understand and improve our health. And this quest doesn't stop on Earth—it's one of the main focal points for International ...
Space Exploration
Aug 28, 2013
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(Phys.org) —Salicylic acid is key to protecting plants from everything from extreme temperatures to diseases. But increasing this naturally occurring chemical typically results in stunted plant growth.
Biotechnology
Aug 27, 2013
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By creating a powerful new gene regulation system called CRISPR-on, Whitehead Institute researchers now have the ability to increase the expression of multiple genes simultaneously and precisely manipulate each gene's expression ...
Biotechnology
Aug 27, 2013
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(Phys.org) —A study on the mechanisms of how plants respond and adapt to elevated levels of carbon dioxide (CO2) and higher temperatures has opened a new perspective in climate research. Lead researcher Qiong A. Liu (Alison) ...
Biotechnology
Aug 2, 2013
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Small molecules of RNA (tens to hundreds of nucleotides in length) play a key regulatory role in bacteria. Due to their small size, directly measuring the number of small RNA (sRNA) present in a single bacterium has proven ...
Analytical Chemistry
Jun 18, 2013
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Although thousands of entire genomes have been sequenced, our understanding of their detailed workings remains far from complete. Researchers continue to find new genes, determine their function, and map how they interact ...
Biotechnology
May 10, 2013
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(Phys.org)—When is the plague not the plague? When it's a different strain of the same bacteria. In two strains of the bacteria genus Yersinia —a highly lethal pathogen and its less-virulent form—scientists performed ...
Cell & Microbiology
Jan 23, 2013
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