Transport proteins are responsible for moving materials such as nutrients and metabolic products through a cell's outer membrane, which seals and protects all living cells, to the cell's interior. These transported molecules ...
Cell & Microbiology
Jul 2, 2013
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MIT biologists have discovered a mechanism that allows cells to read their own DNA in the correct direction and prevents them from copying most of the so-called "junk DNA" that makes up long stretches of our genome.
Biotechnology
Jun 24, 2013
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A team of researchers, led by academics at The University of Nottingham, has explained why the so-called 'jumping genes' found in most living organisms don't ultimately kill off their hosts, putting an end to a long-standing ...
Biotechnology
Jun 20, 2013
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Many proteins work like Swiss Army knives, fitting multiple functions into their elaborately folded structures. A bit mysteriously, some proteins manage to multitask even with structures that are unfolded and floppy—"intrinsically ...
Cell & Microbiology
Jun 19, 2013
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(Phys.org) —Viruses are masters of minimalist design. With only a simple genome and a handful of proteins, a virus can hijack much more sophisticated cells and mimic many of the intra- and inter-cellular machinery built ...
Biochemistry
Jun 14, 2013
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It's common wisdom that one rotten apple in a barrel spoils all the other apples, and that an apple ripens a green banana if they are put together in a paper bag. Ways to ripen, or spoil, fruit have been known for thousands ...
Biotechnology
Jun 11, 2013
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Northwestern University scientists are the first to discover a cellular process used by animals when a tissue is stressed and in molecular trouble from the expression of misfolded and damaged proteins: The tissue at risk ...
Cell & Microbiology
Jun 7, 2013
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To sustain life, processes in biological cells have to be strictly controlled both in time and in space. Research workers at the Max Planck Institute for Biophysical Chemistry in Göttingen and Freie Universität Berlin have ...
Cell & Microbiology
May 27, 2013
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Environment is not the only factor in shaping regulatory patterns—and it might not even be the primary factor, according to a new Rice University study that looks at how cells' protein networks relate to a bacteria's genome.
Cell & Microbiology
May 21, 2013
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How does the bacterium Shigella—the cause of a deadly diarrheal disease—detect that it's in a human host? Ohio University scientists have found that a biological "RNA thermometer" monitors whether the environment is right ...
Cell & Microbiology
May 21, 2013
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