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Tag: "locate" at biology news

Taking 'chips' to the next level of gene hunting

...IP-chip (transposable element insertion point) can locate in the genome where so-called jumping genes have landed and disrupted normal gene function. This chip is described online this week in the Proceedings of the National Academy of Sciences. The most commonly used gene chips are glass slides that hav...

Train your brain to hear your friends at a party

...em in a really clever way." Irving is trying to locate the place in the brain which is channeling these feedback messages back to the ear. "We already have a likely candidate called the OCB, the Olivocochlear Bundle, which is a part of the brain that we know is a centre of feedback information being t...

Rearing an army to save wheat

...ture efforts," Weaver said. "Right now, we have to locate a large population of these beneficial insects before we can redistribute them. If we can reliably have them available at a known location, we could do our job much more efficiently."...

New research shows why too much memory may be a bad thing

...ressed. Results of the tests, in which mice had to locate food within specific areas of a maze, showed that mice in which neurogenesis had been halted made more correct choices and found the food faster. "In our world, we are constantly bombarded by new information so we are constantly filtering –and if...

Brain works more chaotically than previously thought

...at insulating cells are guided by the glutamate to locate axons and envelope them in a layer of myelin," says Dirk Dietrich. As soon as the axons leave the white "cable duct" they enter the brain's grey matter where they encounter their receptor dendrites. Here, the information is passed on at the synap...

Swimming 'to the left' gets bacteria upstream, and may promote infection

...m upstream. This allows the bacteria to eventually locate large reservoirs with richer sources of food and better conditions for multiplying. "We think that upstream swimming of bacteria may be relevant to the transport of E. coli in the urinary tract," said Köser. "It might also explain the high rates ...

Scientists discover new species of distinctive cloud-forest rodent

... about its lifestyle because subsequent efforts to locate and observe the animal were fruitless. I. barbarabrownae belongs to a family of rodents known as "spiny rats" because most of the species in that family bristle with spines. Its discovery has necessitated a re-examination of this tropical American...

Cracking open the black box of autoimmune disease

... by Young to scan the entire genome of T cells and locate the genes controlled by Foxp3. There were roughly 30 genes found to be directly controlled by Foxp3 and one, called Ptpn22, showed a particularly strong affinity. "This relation was striking because Ptpn22 is strongly associated with type 1 diabe...

Scientists map key landmarks in human genome

...describes how the scientists used the technique to locate nucleosomes in 3,692 promoters (regions of DNA that interact with regulatory factors to control gene activity) within seven human cell lines, including malignant melanoma. Nucleosomes are spherical packing units for DNA. They consist of a length o...

Lost dogs found more often than lost cats, study suggests

...the shelter," Lord said. One of the best ways to locate a pet may be to post a sign in the neighborhood, the study showed. Posted signs resulted in the return of 15 percent of recovered dogs and 11 percent of found cats. Six dogs (4.5 percent) and two cats (3 percent) made it home because of an advertis...

Trusting your instincts leads you to the right answer

...the subconscious. Ten participants were asked to locate the only back to front version of a repeated symbol on screen and were given between zero and 1.5 seconds from the moment their eyes had landed on the odd one out to scrutinize the image. Participants had to decide whether the odd one out was on the ...

Tracking sperm whales and jumbo squid

...dividual sperm whales in a 27-square-mile area. To locate whales, researchers towed an array of hydrophones from the back of a boat and listened for the animals?distinct clicking vocalizations. When they finally encountered a whale, the scientists carefully approached the animal and attached an electronic d...

Flies don't buzz about aimlessly!

... ever stopped to wonder how a fruit fly is able to locate and blissfully drown in your wine glass on a warm summer evening, especially since its flight path seems to be so erratic? Mark Frye at the University of California and Andy Reynolds at Rothamsted Research in the United Kingdom have been pondering th...

Moths mimic sounds to survive

...tudy. In response to the sonar that bats use to locate prey, the tiger moths make ultrasonic clicks of their own. They broadcast the clicks from a paired set of structures called “tymbals.” Many species of tiger moth use the tymbals to make specific sounds that warn the bat of their bad taste. Other s...

New research shows sharks use their noses and bodies to locate smells

...biologists, sharks can not use just their noses to locate prey; they also need their skin – specifically a l...ensional structures used by many animal species to locate food, mates, and home sites. However, odor itself has no directional properties, so animals must use...

Focused ultrasound relieves fibroid symptoms in women

... target fibroids. Radiologists then used MRgFUS to locate and treat the targeted fibroids while monitoring temperature changes in tissue. Ninety-six patients were treated under the original study protocol (A), and 64 patients were treated under an optimized protocol (B). Protocol A allowed a maximum tr...

Identified main genetic variants involved in response to HIV

...ivation of the immune system so that it is able to locate and destroys cells infected by HIV. This study has also identified a third genetic variation involved in immune damage of patients, particularly in a gene encoding a protein which seemingly participates in viral replication, and is also located in ch...

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