Cell & Microbiology news
Newly explored bacteria reveal some huge RNA surprises
Dec 02, 2009 |
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(PhysOrg.com) -- Yale University researchers have found very large RNA structures within previously unstudied bacteria that appear crucial to basic biological functions such as helping viruses infect cells ...
Gene Hijacked By HIV Ancestor Suggests New Way to Block Viral Reproduction
Dec 07, 2009 |
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(PhysOrg.com) -- An ancestor of the AIDS virus hijacked an entire gene, perhaps from some prehistoric cat it had infected, a gene that makes it much better able to infect humans, according to a study published ...
Discovery opens new avenues for treating devastating freshwater fish parasite, 'Ich'
Dec 02, 2009 |
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Researchers from the University of Georgia College of Veterinary Medicine have made an "unexpected" dual discovery that could open new avenues for treating Ichthyophthirius multifiliis, or "Ich", a devastating ...
Self-destructing bacteria improve renewable biofuel production
Dec 08, 2009 |
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An Arizona State University research team has developed a process that removes a key obstacle to producing lower-cost, renewable biofuels. The team has programmed a photosynthetic microbe to self-destruct, making the recovery ...
Scientists show how ubiquitin chains are added to cell-cycle proteins
Dec 02, 2009 |
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Researchers from the California Institute of Technology (Caltech) have been able to view in detail, and for the first time, the previously mysterious process by which long chains of a protein called ubiquitin ...
Researchers discover how a brain hormone controls insect metamorphosis
Dec 03, 2009 |
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A team of University of Minnesota researchers have discovered how PTTH, a hormone produced by the brain, controls the metamorphosis of juvenile insects into adults.
Superior offspring without genetic modification
20 hours ago |
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We don't always turn out like our parents. Sometimes we become even better. How this happens is the subject of a new research project at the University of Gothenburg.
Study shows gene positions may aid cancer diagnosis
Dec 07, 2009 |
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Certain genes switch their nuclear position in tumor cells, offering a potential new method of diagnosing cancer, say researchers from the National Cancer Institute. The study by Meaburn et al. will be published ...
Transcription factors guide differences in human and chimp brain function
Dec 07, 2009 |
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Humans share at least 97 percent of their genes with chimpanzees, but, as a new study of transcription factors makes clear, what you have in your genome may be less important than how you use it.
H1N1 influenza adopted novel strategy to move from birds to humans
16 hours ago |
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(PhysOrg.com) -- The 2009 H1N1 influenza virus used a new strategy to cross from birds into humans, a warning that it has more than one trick up its sleeve to jump the species barrier and become virulent.
New molecule identified in DNA damage response
12 hours ago |
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(PhysOrg.com) -- Evolution places the highest premium on reproduction, natural selection’s only standard for biological success. In the case of replicating cells, life spares no expense to ensure that the ...
Latest epidemic? High cholesterol, obesity in fruit flies
Dec 02, 2009 |
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How do fruit flies get high cholesterol and become obese? The same way as people do - by eating a diet that's too rich in fats.
Computer model reveals where food pathogens grow
Dec 03, 2009 |
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(PhysOrg.com) -- An outbreak of food-related illness, such as E. coli-tainted spinach, often leaves food safety experts scratching their heads over the source of the contamination.
Stick and slide: Computer simulation advances understanding of molecular motors
Dec 02, 2009 |
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A new study reveals how molecular motors that power important subcellular movements can generate cyclical motion. The research, published by Cell Press in the December issue of the Biophysical Journal, opens a new door t ...
Understanding DNA Repair and Cancer
Dec 03, 2009 |
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(PhysOrg.com) -- A protein that plays a key role in copying DNA also plays a vital role in repairing breaks in it, UC Davis scientists have found. The work is helping researchers understand how cancer cells can resist radiation ...
