Tag: "fungus" at biology news
Endangered frogs coexist with fungus once thought fatal
...e had spread through the populations. In 1998, the fungus
Batrachochytrium dendrobatidis was identified fr...frogs in the wild, the causal role of this chytrid fungus
remains unclear. In the open access journal PLoS Biology , Australian researchers Richard Retallick...
Fungus knocks a frog down but not out, raising questions about amphibian declines
... particularly mysterious new pathogen, the chytrid fungus
Batrachochytrium dendrobatidis appears to be espec...versity, finds evidence for the persistence of the fungus
in surviving populations of Taudactylus eungellensis, a species that had suffered a massive decline...
Sex-determining genes of infectious fungus resemble human Y chromosome
...at determine the sexual identity of the infectious fungus
Cryptococcus neoformans bear striking similarities...r of Duke's Center for Microbial Pathogenesis. The fungus
might therefore serve as a useful model system for the study of sex chromosome evolution and the gen...
US trees affected by growing number of health concerns
... in North America. Butternut canker is caused by a fungus
that infects the trees through wounds or natural o...ISTER RUST White pine blister rust, caused by the fungus
Cronartium ribicola, has plagued white pines for more than 100 years. Although plant pathologists ha...
Permanent resistance to antibiotics cannot be prevented
...lly-modified crops is smaller than thought, as the fungus
soon becomes permanently resistant to the antibiot...t. Permanent resistance occurs in two stages. The fungus
first of all becomes resistant due to a change in its DNA and then a second such change ensures that...
Poison digs its own grave
.... Dutch researcher Henk-jan Schoonbeek saw how the fungus
started to pump out certain toxic substances withi...nsporters) to pump these back out again. When the fungus
comes into contact with toxic substances, these initially enter it unhindered. About 15 minutes late...
Scientists decipher genome of fungus that can cause life-threatening infections
...ly related strains of Cryptococcus neoformans , a fungus
whose importance as a human pathogen has risen in parallel with the HIV/AIDS worldwide epidemic and the increased use of immunosuppressive therapies. The study, posted online January 13 in Science Express, revealed differences in the virulence st...
Researchers map genome of deadly fungus
...ts have deciphered the genomes of two strains of a fungus
that can lead to brain swelling and death in those...ue attributes that point to new ways to attack the fungus
and cure infection." For instance, the C. neoformans develops a unique polysaccharide capsule that...
Tips from the journals of the American Society for Microbiology
...d Environmental Microbiology. Malassezia furfur, a fungus
frequently found on the human scalp, is often associated with the formation of dandruff. Current methods of treatment consist of shampoos containing antifungal compounds. In the study researchers immunized a llama with M. furfur three times over a ...
Plant protein mimics hormone that mitigates diabetes and obesity
...rchers looked at how osmotin functions in yeast, a fungus
often used as a model organism in molecular and biochemical experiments. They also assessed how osmotin acts in adiponectin receptors in a culture of mouse muscle cells. The yeast system they developed hints at the possibility of using yeast to scree...
Scientists discuss improved biopesticides for locust control in West Africa
...s registered for use in West Africa derives from a fungus
that is a specific pathogen of locusts and grasshoppers. It specifically targets those insects and does not affect non-target organisms," Vaughan said. "The persistence of base biopesticides is low in the environment because of degradation from sunli...
Michael F. Hochella Jr. named Virginia's 2005 Outstanding Scientist
...ctions and in transporting infectious diseases and fungus
worldwide. Hochella is responsible for bringing $7 million in research to Virginia. Hochella's teaching interests are broad -- from university introductory to advanced graduate level courses. He also has introduced nanoscience and nanotechnology into...
JCI table of contents March 1, 2005
...ci.org/cgi/content/full/115/3/596 MICROBIOLOGY A fungus
among us Cryptococcosis is a human disease charac...ion of the brain. It is caused by inhalation of a fungus
called Cryptococcus neoformans. In the March 1 issue of the Journal of Clinical Investigation, John...
Fungus-friendly scientists meet in Tucson
...the most potent and common airborne allergens is a fungus
called Alternaria, said Barry Pryor, an assistant ...he in Alternaria. But some of us sensitize to this fungus
-- and we don't know exactly why." Pryor is one of a team of UA researchers investigating why Altern...
Discovery may lead to better Candidiasis drug
...iva, kills the oral pathogen Candida albicans, the fungus
responsible for most HIV-related oral infections. ...n flow through the cell membrane of the pathogenic fungus
Candida albicans and allows the cell to regulate its volume. The binding action of histatin acts l...
Defenseless plants arm themselves with metals
...ications - governs this pathway. When faced with a fungus
or bacteria, most plants turn up their production of salicylic acid, which then interacts with other molecules in the plant, eventually turning on the genes that produce the proteins involved in fighting infection. These infection-fighting proteins a...
Light therapy may combat fungal infections, new evidence suggests
... newly discovered mechanism by which an infectious fungus
perceives light also plays an important role in it...ted the research. The potentially life-threatening fungus
C. neoformans invades the central nervous system to cause disease, most commonly in patients who lac...
Advances in the characterisation of the oyster mushroom genes
... responsible for this activity the reason why the fungus
is sometimes used as a decontaminating agent, was ...of cellobiohydrolases in the "Pleurotus ostreatus" fungus
. Degradation of cellulose In nature, the oyster mushroom grows on dead trunks of trees where the ...
On the hunt for deadly frog disease
...ian frog species has been wiped out by the chytrid fungus
and it is thought that the fungus
was a major contributing factor in the extinction of at least another seven species world-wide," Dr ...
Extreme life discovery in Yellowstone bodes well for astrobiologists, says Colorado U. study
...nstead of being comprised of a symbiosis between a fungus
and an alga, it seems to be an association of the Mycobacterium with an alga." While photosynthesis appears to be a key energy source for most of the creatures, at least some of Yellowstone microbes are believed to get energy from the dissolved meta...
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