Bacteria
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May 24 | News
Researchers
at the U.S. Air Force Research Laboratory have invented a simple,
inexpensive dip-and-dry treatment can convert ordinary silk into a
fabric that kills disease-causing bacteria—even the armor-coated spores
of microbes like anthrax—in minutes.
May 21 | News
Hundreds
of tiny hollow needles stick out of the membrane of a bacteria that
causes cholera. These are treacherous tools that makes bacterial
pathogens so dangerous. Researchers in the U.S. and Germany have now
seen this structure in 3D detail at atomic resolution. The images may
help drug researchers.
May 16 | News
Some remarkable types of bacteria have proven themselves capable of "consuming" toxic pollutants, organically diminishing environmental impact in a process called bioremediation. Enzymes within these bacteria can effectively alter the molecular structure of dangerous chemicals, but the underlying mechanisms and keys to future advances often remain unknown. Now, scientists Brookhaven National Laboratory have revealed a possible explanation for the superior function of one pollution-degrading enzyme.
May 15 | News
Researchers at the Joint BioEnergy Institute have identified a tropical rainforest microbe that can endure relatively high concentrations of an ionic liquid used to dissolve cellulosic biomass for the production of advanced biofuels. They've also determined how the microbe accomplishes this, a discovery that holds broad implications beyond biofuels.
May 14 | News
Lawrence Berkeley National Laboratory scientists have developed a way to generate power using harmless viruses that convert mechanical energy into electricity. The milestone could lead to tiny devices that harvest electrical energy from the vibrations of everyday tasks. It also points to a simpler way to make microelectronic devices.
May 9 | News
Researchers at the University of Michigan have identified new targets for drugs that could potentially treat anthrax, the deadly infection caused by Bacillus anthracis. The team found a new way to block the bacteria's ability to capture iron, which is vital to its survival and its disease-causing properties.
May 4 | News
Over the past several decades, scientists have faced challenges in developing new antibiotics even as bacteria have become increasingly resistant to existing drugs. One strategy that might combat such resistance would be to overwhelm bacterial defenses by using highly targeted nanoparticles to deliver large doses of existing antibiotics. In a step toward that goal, researchers have developed a nanoparticle designed to evade the immune system and home in on infection sites, then unleash a focused antibiotic attack.
May 3 | News
Lawrence Berkeley National Laboratory scientists are exploring whether a common soil bacterium can be engineered to produce liquid transportation fuels much more efficiently than the ways in which advanced biofuels are made today. The process would be powered only by hydrogen and electricity. The goal is a biofuel—or electrofuel, as this new approach is called—that doesn’t require photosynthesis.
May 3 | News
A
new Agriculture Department program will begin tracing the source of
potentially contaminated ground beef as soon as there is an initial
positive test. Current procedures require USDA officials to wait until
additional testing confirms E. coli before starting
their investigation. Under the new process, the source could be traced
24 to 48 hours sooner.
May 3 | News
University of Manchester scientists have discovered an Achilles heel within cells that bacteria are able to exploit to cause and spread infection. The researchers say their findings could lead to the development of new anti-infective drugs as alternatives to antibiotics whose overuse has led to resistance.
