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Tag: "control" at biology news

Wake Forest scientists find new combination vaccine effective against plague

...t causes plague, "the immune mice survived but the control mice succumbed in three days." Mizel and his graduate student, Anna Honko, found that injecting a protein taken from plague bacteria into a mouse ?one method of vaccination ?produces little if any response in the mouse immune system. But if a protei...

Mother birds increase progesterone to hatch females

...ose of progesterone (dissolved in sesame oil) or a control dose of pure sesame oil. The low dose of progeste...uced 61 percent males, which was very close to the control group rate of 63 percent males. The high dose of progesterone, however, produced only 25 percent mal...

Cousin of Asian super termite invades Florida

...ubt, homeowners should contact a professional pest control operator and have a thorough inspection of their p...termite.htm Meanwhile, as UF researchers and pest control officials try to get an accurate estimate of the new termite's range in South Florida, the Formosan ...

Future diabetes drugs may target new protein interaction

...rgeting sirtuin1 in a very specific way might help control sugar production in people with diabetes," says Puigserver. "Sirtuin1 interacts with many different proteins, and it's just this one interaction you would want to prevent." But, he says, PGC1 has an unusually close relationship with sirtuin1 that ma...

PHACCS, an online tool for estimating the structure and diversity of uncultured viral communities using metagenomic information

...rgeting sirtuin1 in a very specific way might help control sugar production in people with diabetes," says Puigserver. "Sirtuin1 interacts with many different proteins, and it's just this one interaction you would want to prevent." But, he says, PGC1 has an unusually close relationship with sirtuin1 that ma...

Computational verification of protein-protein interactions by orthologous co-expression

...rgeting sirtuin1 in a very specific way might help control sugar production in people with diabetes," says Puigserver. "Sirtuin1 interacts with many different proteins, and it's just this one interaction you would want to prevent." But, he says, PGC1 has an unusually close relationship with sirtuin1 that ma...

Eliminate Data Analysis Bottlenecks in Drug Discovery

...rgeting sirtuin1 in a very specific way might help control sugar production in people with diabetes," says Puigserver. "Sirtuin1 interacts with many different proteins, and it's just this one interaction you would want to prevent." But, he says, PGC1 has an unusually close relationship with sirtuin1 that ma...

WHO suspends Marburg work, appeals for new funds

...c of Congo, and Mozambique. Public compliance with control measures is not expected to improve in the absence of intense campaigns to educate the public about the disease. In African countries, the single most important factor in controlling viral haemorrhagic fevers is the engagement of affected communitie...

Fox Chase study shows that weakened T-cell receptor signals change T-cell lineage

...ine a cell's fate and whether or not their signals control the choice." In the new study, Wiest and his colleagues use several models to manipulate the signaling strength of the gamma-delta TCR. A strong signal, produced in the presence of a specific binding substance, or ligand, directs immature T cells al...

NHGRI targets 12 more organisms for genome sequencing

...ted are the PVG strain, commonly used as a healthy control in studies; the F344 strain, used in toxicological...of parasitoid wasps in agriculture as a biological control of crop damaging insects saves approximately $20 billion annually. The wasp will serve as a good com...

Remote control flies? Fly behavior controlled by laser light

...archers have found a way to exercise a little mind control over fruit flies, making the flies jump, beat thei...sana Lima and Gero Miesenböck hope that the remote control system will provide a valuable way to study how nerve-cell activity and connections are related to s...

Internet viruses help ecologists control invasive species

...ause they allow the limited resources available to control invasive species to be targeted at points on the network where they will have most impact. "Outbound vector traffic from hubs with large flows to non-invaded destinations should be targeted for management efforts to restrict the transportation of pro...

Single-donor Islet Transplantation Procedure Shows Promise For Patients With Type 1 Diabetes

...ccess rate of islet (cells that produce insulin to control blood sugar levels) transplants has recently been ...another trial], we also achieved superior glycemic control (as evidenced by normal results of oral glucose tolerance testing in 4 of 5 recipients with sustaine...

Penn Researchers Use Robotic Surgery

...echnology affords surgeons the direct, "intuitive" control they exercise in traditional open surgical procedures, seamlessly translating their natural hand, wrist and finger movements at the console into corresponding micro-movements of laparoscopic surgical instruments inside the patient's body. Additional...

Alcohol consumption disrupts breastfeeding hormones

... oxytocin and prolactin, the two key hormones that control lactation. Alcohol disrupted release of both horm...divergent responses in these two key hormones that control lactation." After consuming alcohol, women took longer to eject the first drop of milk and produced...

Two new retroviruses—transmitted from animals—identified

...echnology affords surgeons the direct, "intuitive" control they exercise in traditional open surgical procedures, seamlessly translating their natural hand, wrist and finger movements at the console into corresponding micro-movements of laparoscopic surgical instruments inside the patient's body. Additional...

Researchers Find New Technique To Identify Fetal Genetic Material From Amniotic Fluid

... reduce an excessive amount of amniotic fluid. The control group in this study was 6 pooled amniotic fluid samples from women at 17 weeks' gestation who were undergoing amniocentesis (removal of amniotic fluid to test for hereditary diseases and congenital defects in the fetus). "After extraction from the no...

A hope for oil spill bioremediation

... the origin of dissolved inorganic carbon (DIC) in control and contaminated coastal marine water samples. Due to its biological origin, crude oil is very depleted in 13C. Therefore, its biodegradation product CO2 will also be more 13C depleted as compared with the typical marine DIC and atmospheric dissolved...

Ebola virus: from wildlife to dogs

... is currently available, only prevention and rapid control of epidemics by isolation of disease victims can limit its spreading. Since 2001, IRD research scientists and their partners (1) have been working to unravel the virus's biological cycle, in other words the whole range of ways in which the virus cir...

Bugs, even 'bad' ones, can be educationally beneficial, new book says

...ntroduced, is a more creative and effective way to control pests, he said. In the book, Waldbauer explains many historic and recent examples of how people control pests without insecticides. For example, in 1886, the cottony cushion scale (Icerya purchasi), acci...

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