Tag: "spores" at biology news
Tearing down the fungal cell wall
...ding canola, cabbage and broccoli. Sensitivity to spores
of Alternaria species is also clinically associate...y impacts the integrity of the cell wall of fungal spores
produced in the reproductive phase of A. brassicicola's life cycle. The AbNPS2 gene most likely dire...
ACS News Service Weekly PressPac -- Nov. 29, 2006
...ng the source of water used to process the anthrax spores
to the northeastern United States. If true, one source told C&EN, it would narrow the likely source of the anthrax to "two or three" institutions in the region that had access to the Ames strain of anthrax used in the attacks. ARTICLE #5 EMBARGOED ...
Elusive rust resistance genes located
...his prevents widespread and rapid increase of rust spores
reducing the potential for disease epidemics throughout the crop. "Up until now it has been difficult to track Lr34 / Yr18 in wheat because of the masking effect of other resistance genes," Dr Lagudah says. "In addition, tests for Lr34 / Yr18 we...
Queen bee promiscuity boosts hive health
... from singly mated queens) with water tainted with spores
of the highly virulent bacterium that infects bee larvae and causes the disease American Foulbrood. Sure enough, the more genetically diverse colonies derived from multiple fathers were significantly less affected by the disease several months later....
...sm is a potentially fatal illness that occurs when spores
of the bacterium Clostridium botulinum contaminate a wound, germinate, and produce botulimum nerve toxin. The doctors made the diagnosis promptly, and so were able to offer appropriate treatment, including putting the patient on a ventilator and g...
Dangerous wheat disease jumps Red Sea
...otted the probable trajectory of the fungus, whose spores
can travel large distances on the wind. The wind models predicted that if the fungus crossed from eastern Africa to the Arabian Peninsula it could easily spread to the vast wheat-growing areas of North Africa, the Middle East, Pakistan and India. ...
Microwave oven can sterilize sponges, scrub pads
... Like many other bacterial spores, Bacillus cereus spores
are quite resistant to radiation, heat and toxic c...sly difficult to kill. The UF researchers used the spores
as surrogates for cysts and oocysts of disease-causing parasitic protozoa such as Giardia, the infec...
Fungal factories may save hemlock forests
...zy biological factory for a fungal colony, pumping spores
out into the forest long after the spraying teams ...dles. "That's mycelium and likely as not there are spores
at the end of each of those." To the untrained eye, the fungus he and Grassano are growing looks muc...
Leeches ferry infection among newts
...f swollen muscle. The swollen muscle contains many spores
(also called spherules), each of which contains hu...hat the infection is transmitted when one of these spores
bursts open and releases its endospores onto the mouthparts of a feeding leech. Their findings are o...
Stopping plants from getting sick
...uch as the formation of colourful masses of fungal spores
instead of seeds. Some fungi can even make infecte...ual name that comes from the sooty black masses of spores
that they form on infected plants. The smut fungi represent particularly useful models to study how ...
News tips from the Journal of Biological Chemistry
... anthrax. Anthrax is a deadly disease caused by spores
that germinate into bacteria, which then release a...e of these compounds, 6-thioguanosine, blocked the spores
germination inside mammalian cells, thus blocking anthrax infection. The scientists are now planning...
Anthrax paralyzes immune cells with lethal toxin, UF research shows
...ple in 2001 when letters containing the bacteria's spores
were sent through the mail. The UF findings, published last week in the EMBO Journal, may lead to quicker diagnoses for anthrax victims. The disease causes flu-like symptoms that can take weeks to develop, according to the Centers for Disease Contr...
Jet lag: It's all about chemical reactions in cells
...close them at night; or setting when fungi release spores
to maximize their reproductive success. In humans, the clocks are responsible for why we get sleepy at night and wake in the morning, and they control many major regulatory functions. Disruptions of circadian rhythms can cause jet lag, mental illness...
Researchers track how spores break out of dormant state
... chemicals. However, once in favorable conditions, spores
break the dormant state through germination and re...ro study of single germinating Bacillus atrophaeus spores
details how the spore coat structures break down, and it shows with unprecedented resolution how the...
Potato wart eyed as risk to potato production
...tion for decades. The long-term survival of fungal spores
and the lack of suitable chemical controls for potato wart suppression make this disease especially problematic for any type of cultivated potato production, including small garden plots and subsistence farming to extensive land areas economically de...
More swimmers means more pathogens in the water
... using the water with the levels of microsporidian spores
and the parasites Cryptosporidium parvum and Giardia lamblia. The studies were made available online in advance of publication in the scientific journals Applied and Environmental Microbiology and Water Research. Exposure to microorganisms like C. ...
Waging war on the deadliest superbug
...w anti-cancer treatments that are delivered by the spores
of harmless clostridial species that target the cancer tissue; (ii) more effectively controlling the food borne bacterium C. botulinum, and (iii) improving the efficiency of the production of the biofuel butanol by C. acetobutylicum using metabolic e...
Amoebae control cheating by keeping it in the family
...d genetic differences between fruiting bodies, the spores
within particular fruiting bodies were highly related. Foster and Mehdiabadi worked with a mutant form of D. discoideum called "cheater A" that was missing a single gene known to play roles in both group productivity and reproduction. On their own,...
Californians urged to help reduce spread of Sudden Oak Death
...t plant to die. Instead, many of these hosts allow spores
to build up on leaf and twig surfaces, thereby facilitating pathogen spread. These ornamental hosts have been found in P. ramorum-positive nurseries throughout the U.S. and other countries. Although California has lost more than a million trees an...
Taming the anthrax threat
...ut is most serious and potentially deadly when its spores
are inhaled. Bergmans team focused on the mysti...erability when the bacteria transform from dormant spores
into active, growing organisms. That chance exists for a few hours when the invaders are inside immu...
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