At crucial points in the metabolism of all organisms, a protein with the unwieldy name of Translation Elongation Factor P (EF-P, for short) takes center stage. What it actually does during protein synthesis has only now been ...
Cell & Microbiology
Dec 14, 2012
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(Phys.org)—In nature, biological functions are often carried out in tiny protective shells known as microcompartments, structures that provide home to enzymes that convert carbon dioxide into energy in plant cells and to ...
Nanomaterials
Dec 12, 2012
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(Phys.org)—Microbiologists and geochemists from the Max Planck Institute for Marine Microbiology, along with their colleagues from Vienna and Mainz, show that marine methane oxidation coupled to sulfate respiration can ...
Earth Sciences
Nov 12, 2012
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(Phys.org)—Researchers have discovered which bacteria species are most commonly found in our bellybuttons, but have still not discovered what governs which species will be found on which people. These are the first published ...
Cell & Microbiology
Nov 8, 2012
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A new study of giant viruses supports the idea that viruses are ancient living organisms and not inanimate molecular remnants run amok, as some scientists have argued. The study reshapes the universal family tree, adding ...
Evolution
Sep 13, 2012
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(Phys.org) -- A gene thought previously to be present in all life on earth has been found to be missing in life near volcanoes.
Cell & Microbiology
Jun 12, 2012
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Scientists have revealed a key cog in the biochemical machinery that allows marine algae at the base of the oceanic food chain to thrive. They have discovered a previously unknown protein in algae that grabs an essential ...
Cell & Microbiology
May 31, 2012
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(PhysOrg.com) -- A team of scientists has documented for the first time that animals can and do consume Archaea – a type of single-celled microorganism thought to be among the most abundant life forms on Earth.
Cell & Microbiology
Mar 12, 2012
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With few exceptions, all known proteins are built up from only twenty amino acids. 25 years ago scientists discovered a 21st amino acid, selenocysteine and ten years ago a 22nd, the pyrrolysine. However, how the cell produces ...
Biochemistry
Nov 18, 2011
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They make up less than one-hundredth of 1 percent of the microbes that live in the colon, but the bacteria and archaea that sop up hydrogen in the gut are fundamental to colon health. In a new study, researchers take a first ...
Cell & Microbiology
Aug 2, 2011
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