In the war against antibiotics, bacteria aren't selfish. According to a new report from Howard Hughes Medical Institute (HHMI) researchers, a handful of resistant pathogens can protect an entire colony.
Cell & Microbiology
Sep 1, 2010
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Just what causes the birth of a human fat cell is a mystery, but scientists using mathematics to tackle the question have come up with a few predictions about the proteins that influence this process.
Other
Aug 16, 2010
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Some species of bacteria perform an amazing reproductive feat. When the single-celled organism splits in two, the daughter cell - the swarmer - inherits a propeller to swim freely. The mother cell builds a stalk to cling ...
Cell & Microbiology
Jun 3, 2010
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A Virginia Tech biologist proposes to use a physics strategy called resonant activation to nudge dormant bacteria cells into a stage where they will be sensitive to antibiotics.
Other
Apr 21, 2010
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Mice that are missing a protein involved in the response to low oxygen stay lean and healthy, even on a high-fat diet, a new study has found.
Cell & Microbiology
Apr 15, 2010
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Researchers have found that even a very little bit of the fat hormone leptin goes a long way when it comes to correcting diabetes. The hormone controls the activity of a gene known as IGFBP2 in the liver, which has antidiabetic ...
Cell & Microbiology
Jan 5, 2010
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Most scientists believe that staph infections are caused by many bacterial cells that signal each other to emit toxins. The signaling process is called quorum sensing because many bacteria must be present to start the process.
Biochemistry
Dec 3, 2009
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(PhysOrg.com) -- Whitehead researchers have developed a new approach for genetics in human cells and used this technique to identify specific genes and proteins required for pathogens.
Cell & Microbiology
Nov 26, 2009
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When people have malaria, they are infected with Plasmodium parasites, which enter the body from the saliva of a mosquito, infect cells in the liver, and then spread to red blood cells. Inside the blood cells, the parasites ...
Cell & Microbiology
Nov 23, 2009
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Infectious organisms that become resistant to antibiotics are a serious threat to human society. They are also a natural part of evolution. In a new project, researchers at the University of Gothenburg are attempting to find ...
Cell & Microbiology
Nov 16, 2009
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