Tag: "organisms" at biology news
Dartmouth Medical School awarded $9 million grant for genomics research
...the most comprehensive to date within the group of organisms
studied. The award to DMS's department of genetic...nes in Neurospora enable functions shared by other organisms
including people, about 40 percent of the more than 10,000 genes in Neurospora are apparently novel ...
Study examines future of species extinction, conservation
...say it may be extremely difficult to predict which organisms
will be the next to cease existing and that the wi...r of their sensitivity." With the disappearance of organisms
most vulnerable to a certain condition, such as the increase of nutrients in lake water, the species...
22-amino acid bacterium created by Scripps scientists
...eral years ago, nobody had ever found a way to get organisms
to add unnatural amino acids into their genetic co...absolute. In some rare instances, in fact, certain organisms
have evolved the ability to use the unusual amino acids selenocysteine and pyrrolysine -- slightly m...
Adaptation, niche conservatism, and convergence
...tive evolution in shaping the form and function of organisms
in modern communities....
UNC study finds protein in male reproductive tract kills bacteria, may improve fertility
...aid fertilization by protecting sperm from harmful organisms
encountered in the female reproductive tract. A report of the study, now online, will be published in the July issue of the journal Endocrinology.Designated DEFB118, the protein is found in the epididymis, a coiled duct through which sperm pass after...
Sediments in many Central Valley streams contain toxic levels of pyrethroid pesticides
...ids), have been considered safe for fish and other organisms
that live in the water column, but no one has stud...ociate professor of integrative biology. These two organisms
are used by the U.S. Environmental Protection Agency (EPA) as indicators of the health of fresh wate...
UCSD bioengineers develop first genome-scale computational model of gene regulation
...coli, a bacterium which is one of the best studied organisms
in biology. Now, bioengineers at the University o...cess will help scientists model much more advanced organisms
such as mice and even humans. UCSD has filed a patent on the model and is negotiating a license a...
JGI decodes wood & toxic waste-degrading fungus genome
...the circulation of carbon from the atmosphere into organisms
and back again. They also have demonstrated the ability to remediate explosive contaminants, pesticides and toxic waste with similar chemical structures to lignin. The sequence findings are summarized in the May 2nd on-line edition of the journal ...
Derek R. Lovley receives 2004 Proctor & Gamble Award from American Society for Microbiology
...remediation, which is the use of microbes or other organisms
to remove hazardous substances from an environment. In addition to iron, some anaerobic bacteria can use other metals, including gold and uranium, in their metabolism. Harnessing the ability of these microbes to reduce these substances to less-harmfu...
Kiratisin wins 2004 Dade MicroScan Young Investigator Award
...-sensitive molecular methods for identifying these organisms
are not readily available outside of specialized laboratories. He hypothesized that identification of viridans group streptococci might be enhanced by using a technique known as housekeeping gene sequence analysis. Sequencing the glucose-6-phosphate ...
Technique plucks rapidly evolving genes from a pathogen's genome
...immune system. Such genes can tell researchers how organisms
outwit the immune system or develop drug resistanc...rasite (Plasmodium falciparum). The genes in these organisms
that turned out to be rapidly evolving were largely those genes coding for antigens, that is, protei...
Biological oceanographers examine 'regime shifts' in complex marine ecosystems
...tanding of regime shifts relies on observations of organisms
and their marine environment taken on times scales of years and decades. Given the size, scope and interrelatedness of marine ecosystems, experimental manipulation is infeasible. Ecological theory and mathematical models are therefore essential tools...
Genetic sequence identified for anti-bacterial sea slug protein
...rsor to the growth of barnacles and other damaging organisms
that must be removed through costly and time-consuming processes. Derby, who has filed a provisional patent for Escapin's genetic sequence, plans to submit an academic paper for publication on the protein within the next several months. His research ...
UCLA chemists develop new coating for nanoscale probes
...up the toxic environment in which they grow. These organisms
synthesize peptides, called phytochelatins, that reduce the amount of toxic-free ions by strongly binding to inorganic nanoparticles made of the sequestered toxic salts and other products. "Our peptide coating bridges the inorganic chemistry wo...
Seabed secrets in English clay
...h fossils suggests a broad-strokes picture of what organisms
may have lived in a given epoch of time. Kenig's s...conditions changed and became favorable, different organisms
colonized the environment and left their remains, some as a result of a mass kill by the next anoxic...
Elusive but ubiquitous microbe fingered as gum disease culprit in Stanford study
...s may indirectly contribute to it by helping other organisms
- in this case, gum-damaging bacteria - grow more productively. Lepp said they are now looking for other hydrogen consumers to test their theory. "In my mind, it's increasingly clear that the disease may be the result of a community disturbance rathe...
Four new research centers to explore link between oceans and human health
...t the same time, oceans harbour a diverse array of organisms
that show great promise for providing new drugs to...rected by Ed Laws, will study ciguatoxin-producing organisms
and develop improved methods for detecting these toxins in fish and humans. Researchers will also c...
New Woods Hole Center for Oceans and Human Health established
... health sciences, such as harmful algal blooms and organisms
in coastal waters and estuaries that cause human i...HH projects will be the distribution of biological organisms
like bacteria and algae with potential human health consequences in the temperate coastal ocean, inc...
Discovery could improve anemia treatment in patients
...eart disease, and other fatal conditions. "Living organisms
have evolved intricate mechanisms to regulate iron uptake and distribution so they can exploit iron's useful properties while avoiding toxicity," notes Andrews. Andrews and Roy are intrigued by the interaction of HFE and hepcidin, because it suggests...
Tips from the Journals of the American Society for Microbiology
...fragment sequencing. Results showed gram-negative organisms
as the prevailing bacteria while y-Proteobacteria was identified most frequently. Also, bacterial contamination of the taphole increased to higher levels as the season progressed. "These results are providing interesting insights into maple taph...
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