Tag: "toxins" at biology news
Corn grain mould used as pesticide
...f aspergillus grows on it: a dangerous producer of toxins
or the non-toxic variant."...
Joslin researchers discover new gene for type 2 diabetes using DNA chips
... cell function. As a component of the response to toxins
and hypoxic stress, ARNT is also at a potential site to integrate genetic and environmental insults. "While previous work suggested defects in other pathways in a small percentage of people with type 2 diabetes, what was unexpected was that the isl...
Carnegie Mellon CyLab researchers work to develop new red tide monitoring
... which form only in the Gulf of Mexico and release toxins
deadly to fish and marine mammals. The red tide algae are also potentially harmful to humans if ingested through unmanaged shellfish. On the worst days, the irritating vapors from red tide algae or the noxious smell from the rotting carcasses of pois...
Tips from the Journals of the American Society for Microbiology
...e not recommended as they prompt the liberation of toxins
which can worsen the clinical course of the disease. Because the major reservoir for EHEC O157:H7 is cattle, researchers are focusing on a vaccine that will prevent infection in both humans and animals. In order to mimic the bacteria's natural route...
A national plan for the R&D needed to protect U.S. critical infrastructure is released
...w explosives that release no tracer chemicals, new toxins
so unusual that we have no data as yet on them, or new software viruses that arrive in pieces and self assemble later), the Plan asks the critical question of "how well we can anticipate these threats," and outlines research directions to detect, ana...
New target found to fight, treat Parkinson's
...otubules are a critical target of PD environmental toxins
such as rotenone," said Feng. "Since many microtubule-depolymerizing agents are compounds naturally produced in many plants, our research points to the need to examine their possible link to Parkinson's disease. In addition, PD has a higher incidenc...
Researchers identify molecular anchor that allows bacterial invasion of central nervous system
...nvasion process, and that additional Streptococcus toxins
and the body's own immune response also contribute to the development of meningitis. In their ongoing efforts, the researchers are looking at all of these factors in order to paint a complete picture of how the bacteria invade the brain and spinal co...
One shot: A molecular movie of events that enable sperm to penetrate egg's coating
...ga's group treated the trans-SNARE formations with toxins
before the final stage of fusion and found that some, but not all, of the toxins
inhibited the process. This indicated that the SNAREs were neither completely unpaired, which would ...
Anthrax stops body from fighting back, study shows
...ty. "The overall goal is to understand how anthrax toxins
paralyze the immune system." Researchers first noticed anthrax's effect on these white blood cells while reviewing the cases in the 2001 anthrax attacks. The victims did not have elevated white blood cell counts, typical for most infections, and a la...
Prenatal exposure to marine toxin causes lasting damage
...ming special issue dedicated to research on marine toxins
of Neurotoxicology and Teratology. In 1987, more than 100 people in Canada became ill after eating cultured mussels contaminated with domoic acid. The incident led to three deaths and memory loss in several others. First detected in the U.S. on the...
Tips from the journals of the American Society for Microbiology
...ltaneous detection of staphylococcal and botulinum toxins
in food. Their findings appear in the September 2...en beans, mushrooms and tuna were spiked with both toxins
and left at room temperature for two hours. Researchers used the Naval Research Laboratory array bi...
Researcher: Toxic flood lifts lid on common urban pollution problem
...r other cities nationwide to do more to remove the toxins
in urban runoff before, rather than after, it gets washed into waterways. There are several good strategies, he said. Increasingly affordable "permeable pavements" allow runoff to be stored, evaporate or percolate through pavement and into the ground...
Collaborative Cross to provide powerful resource for mouse model researchers worldwide
...to explain why some people are more susceptible to toxins
or other insults than others. Johnson also expects the Collaborative Cross to attract guest researchers who will be provided with laboratory space to work on special projects that have been approved by an external review board. The four-member board ...
Researcher finds new use for botox
...age of the exquisite selectivity of powerful nerve toxins
such as botox or glycerotoxin to selectively disse...l rigidity. "I have been using different types of toxins
to explore the interplay of proteins and lipids (fats) when nerve cells communicate via the release ...
Structures of marine toxins provide insight into their effectiveness as cancer drugs
... from the depths of the South Pacific Ocean harbor toxins
that potentially can act as powerful anti-cancer d...The research team has defined the structure of the toxins
and provided a basic understanding that can be used to synthesize pharmaceuticals, according to a st...
Two Sandia microChemLab technologies soon to be checking for toxins in the nation's water supplies
... Laboratories are expected to soon be checking for toxins
and harmful bacteria in the nation's water supplie...ow, real-time, remote water quality monitoring for toxins
has been very limited. The liquid microChemLab is currently being tested at the Contra Costa (Calif....
Say what? Bacterial conversation stoppers
...olera bacteria sense a quorum, they turn off their toxins
and excrete an enzyme to cut themselves loose from the intestine, so they can move out of the body where they can infect another person. Here, E. coli squelched much of the quorum-sensing response of the cholera bacteria, although the effect was no...
Fetal exposure to toxins could be behind rise in asthma
...etuses and newborns to low levels of environmental toxins
such as lead, mercury and dioxin, as well as nicot...ty researcher. The real dangers from environmental toxins
most likely occur early in life, said Rod Dietert, professor of immunotoxicology at Cornell's Colleg...
Small molecule inhibitor of cholera discovered
... organisms use elaborate virulence factors such as toxins
to do their damage, the new approach should be widely applicable. "There is no reason our results cannot be replicated for a number of other important pathogens," Mekalanos said....
New genetic test can detect clam disease
...n this year, QPX is actually a bigger problem. The toxins
that cause red tide in clams and other shellfish in New England do not kill the shellfish and will wash away once the red tide bloom diminishes, eventually making the shellfish safe to eat. QPX kills the clams, and there is no known cure. Gast is...
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