A European team is investigating the role of the bacterial cell wall and the cytoskeleton in mediating cell shape. Results are expected to have broader implications for cell biology.
Oct 04, 2012
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A genetic mutation that occurred thousands of years ago might be the answer to how early humans were able to move from central Africa and across the continent in what has been called "the great expansion," according to new ...
Sep 19, 2012
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(Phys.org)—Purdue University scientists have determined that a gene long known to be involved in cancer cell formation and chemotherapy resistance is key to proper RNA creation, an understanding that could one day lead ...
Sep 12, 2012
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(Phys.org)—The sorcerer's apprentice started a water-carrying system, but couldn't stop it, and soon he was up to his neck in water, and trouble. Living cells have a better design: When they activate a ...
Sep 06, 2012
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Thus far, a tiny finger bone and two back teeth in a cave in the Altai Mountains are the only known remains of the Denisovans – a humanoid that Max Planck researchers have identified solely through their genetic material. ...
Sep 03, 2012
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(Phys.org)—Bacteria may be simple creatures, but unlike "higher" organisms they have a neat evolutionary trick. When the going gets tough, they can simply pick up and incorporate a loose bit of genetic ...
Aug 31, 2012
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(Phys.org)—The outlook for Tasmanian devils appears even worse following breakthrough research by the University of Sydney published in PLoS One, today.
Aug 31, 2012
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Max Planck researchers describe Denisovan genome, illuminating the relationships between Denisovans and present-day humans.
Aug 30, 2012
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A study by the Institute for Research in Biomedicine (IRB Barcelona) and the Center for Genomic Regulation (acronym in Catalan CRG) highlights the protein Nek9 as a decisive factor in cell division, a fundamental process ...
Aug 21, 2012
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(Phys.org) -- The propagation of every animal on the planet is the result of sexual activity between males and females of a given species. But how did things get this way? Why two sexes instead of one? Why ...
Aug 09, 2012
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Two new studies offer insight into sex chromosome evolution by focusing on papaya, a multimillion dollar crop plant with a sexual problem (as far as growers are concerned) and a complicated past. The findings ...
Aug 06, 2012
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Stem cells are special. Nestled in muscle and skin, organ and bone, they bide their time over years or decades until called to replace damaged or lost tissue. One secret to their longevity is an enzyme called telomerase, ...
Aug 02, 2012
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A study by the Genographic Project has shown that not all individuals carrying the Romanian "Basarab" surname, the first dynasty of Wallachian kings that included the real-life Dracula, can be direct biological descendants ...
Jul 26, 2012
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