There are ten microbial cells for every one human cell in the body, and microbiology dogma holds that there is a tight barrier protecting the inside of the body from outside invaders, in this case bacteria. Bacterial pathogens ...
Cell & Microbiology
Jun 16, 2011
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Dieticians will tell you it isn't healthy to eat late at night: it's a recipe for weight gain. In fruit flies, at least, there's another consequence: reduced fertility.
Cell & Microbiology
Jun 7, 2011
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Discovering the step-by-step details of the path embryonic cells take to develop into their final tissue type is the clinical goal of many stem cell biologists. To that end, Kenneth S. Zaret, PhD, professor of Cell and Developmental ...
Cell & Microbiology
May 19, 2011
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(PhysOrg.com) -- Researchers at the University of Pennsylvania School of Medicine are delving into the details of the complex structure at the ends of chromosomes. Recent work, e-published in Nature Structural & Molecular ...
Cell & Microbiology
Apr 20, 2011
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Researchers at the University of Pennsylvania School of Medicine have devised a totally new and far more efficient way of generating induced pluripotent stem cells (iPSCs), immature cells that are able to develop into several ...
Cell & Microbiology
Apr 7, 2011
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For seniors, voting can be difficult: standing with a walker or cane in the voting booth, struggling to read the tiny print on the ballot or trying to punch the tiny button to vote for the intended. Despite the desire to ...
Economics & Business
Mar 16, 2011
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The gene for the protein p53 is the most frequently mutated in human cancer. It encodes a tumor suppressor, and traditionally researchers have assumed that it acts primarily as a regulator of how genes are made into proteins. ...
Cell & Microbiology
Mar 2, 2011
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When most genes are transcribed, the nascent RNAs they produce are not quite ready to be translated into proteins - they have to be processed first. One of those processes is called splicing, a mechanism by which non-coding ...
Cell & Microbiology
Oct 25, 2010
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(PhysOrg.com) -- Taking a cue from the world of business-performance experts and baseball talent scouts, Penn Medicine translational medicine researchers are among the first to find a way to measure the productivity of collaborations ...
Other
Oct 18, 2010
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(PhysOrg.com) -- On average, one hundred billion cells in the human body divide over the course of a day. Most of the time the body gets it right but sometimes, problems in cell replication can lead to abnormalities in chromosomes ...
Biochemistry
Sep 16, 2010
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