Tag: "microorganisms" at biology news
UCSD biologists discover key to blocking inflammation
...stitute the first line of defense against invading microorganisms
like bacteria or viruses and accumulate at sites of injury. Because these cells operate outside of the blood vessels, they need to be able to function in a low-oxygen environment." Leukocytes that enter these low oxygen, or hypoxic, environments al...
UC Riverside scientists isolate microorganisms that break down a toxic pesticide
...nvironmental Quality (JEQ) that they have isolated microorganisms
capable of degrading endosulfan, a chlorinated ins... UC Riverside. "Pollutants are rapidly degraded by microorganisms
when used as a carbon and energy source. Out of 10 microorganisms
isolated and screened for their d...
Life sciences publishers take steps to address potential misuse of information by bioterrorists
...riction on possession of the particularly virulent microorganisms
and toxins known as select agents. The Biopreparedness Act requires registration for possession of select agents, security clearances for access, and security and reporting systems when working with these agents, Atlas said. The fear that information...
New life discovered in deep ocean floor
...mily tree of unique DNA sequences from the hydrate microorganisms
to show other researchers the relationships of the cells from hydrated sediments to many other microbes. This is particularly interesting because "the boundaries between different species, particularly in the diverse family of bacteria, can be hazy,"...
Bugs from the deep may be window into the origins of life -- on earth and beyond
...lion years old. "Studying these unusual, primitive microorganisms
helps us appreciate life's ability to take hold in a remarkable variety of environments. It may even help us understand how life evolved on Earth or other planets," Onstott said. The Versatility of Life Closer to home, Susan Brantley of Pennsylvani...
U-Iowa scientists gain insight on how enzyme uses oxygen to produce useful chemicals
...he findings could help lead to the development of microorganisms
that can clean up toxic and cancer-causing waste in the environment and to the development of novel drugs. The research results appear in the Feb. 14 issue of Science. "The more we know about how enzymes catalyze reactions, the better able we are to ...
Sperm use heat sensors to find the egg
...-driven mechanism was previously known to exist in microorganisms
and worms, but the Weizmann study for the first time has provided evidence for its existence in mammals. According to team leader Prof. Michael Eisenbach of the Institute's Biological Chemistry Department, the study contributes to the understanding o...
Bacterium and puffer fish may share distant relative
...is hypothesis, we have isolated a number of marine microorganisms
from marine sources such as sea squirts, and at least three microbial species contain ros homologs as well," he says....
More people are getting sick from eating fresh fruits
...lant disease scientists know a lot about how other microorganisms
interact with plants and the environment to create an outbreak," says Buck. "This same knowledge can be applied to human pathogens as well. An exchange of research tools and experiences between plant pathologists and food microbiologists could result...
Scripps scientists discover rich medical drug resource in deep ocean sediments
...to initiate studies of marine environments for new microorganisms
important in pharmaceutical discovery. His group...h these samples (which contain roughly one billion microorganisms
per cubic centimeter), culturing the microorganisms, identifying them by genetic methods, and screen...
Scientists target microorganisms to break down toxic pesticide
...Faisalabad, Pakistan, recently identified specific microorganisms
which can breakdown the toxicity of endosulfan. De...ient for large, contaminated sites. By identifying microorganisms
to specifically degrade endosulfan, these researchers were able to drastically reduce the toxic resi...
Newer methods added, scope expanded in new Methods of Soil Analysis Book
...erested in transport of pesticides, chemicals, and microorganisms
and use of remote sensing procedures to assess large-scale geochemical processes. The book includes very thorough discussions of the principles behind the methods, explores more issues related to handling the data generated, and provides more comment...
Microorganism isolated in space
...ar up into the sky does the biosphere extend? Do microorganisms
exist at heights of 40 km and in what quantity? T...eeded in the past, and is still being seeded, with microorganisms
from comets. Last year a team of biologists at Cardiff University's School of Biosciences reported...
Acoustic technique could disinfect medical instruments without heat or harsh chemicals
...proved disinfection technique able to rapidly kill microorganisms
on medical instruments without high temperatures o...cal size, ensure that it would adequately kill the microorganisms
-- and assess the potential for damaging medical instruments. "We are seeking funding to further dev...
U.S.-German research consortium sequences genome of versatile soil microbe
...llutants. "This genome provides a great model for microorganisms
that have tremendous potential in various areas of biotechnology, such as producing natural compounds, remediating polluted habitats, and fighting plant diseases," Nelson said. P. putida is a fast-growing bacterium that is found in most temperate soi...
From designer milk to 'green' cows: predictions for milk and dairy products in the next 50 years
...can alter cattle digestion, either by removing the microorganisms
that produce methane from their stomachs or by creating microorganisms
that can produce metabolic products other than methane. The end result: green cows. Milk alternativ...
GSA release 02-55: Dec. Geology & GSA Today media highlights
...USA. Pages 10751078. In most natural environments, microorganisms
live as interdependent microbial communities in the form of biofilms or mats. When the environment becomes inhospitable, microbial communities are predominantly found inside rocks where they find shelter from temperature extremes and dessication. In ...
UMass team to study bioremediation of acid, heavy metals from collapsed mind
...obiologist, will try to determine which particular microorganisms
are oxidizing the acids and heavy metals, providin...natural source of bioremediation. "Obviously these microorganisms
are very successful at remediating the site. We want to know which microorganisms
are there, which o...
Photosynthesis analysis shows work of ancient genetic engineering
..."There's a bewildering diversity of photosynthetic microorganisms
out there that use clearly related, but somewhat different processes. They have some common threads tying them together, but it has never been clear how they relate to each other and how the process of photosynthesis started, how it developed, and ho...
$750,000 NYSTAR grant for biosensor development
...or the detection of small quantities of biological microorganisms
or biochemicals. A new class of planned devices will use microuidic systems incorporating engineered nanostructures for high-speed analysis of chemical mixtures. The microuidic approaches use methods similar to those that have been used to create el...
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