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Tag: "path" at biology news

Sensory feedback during speech: The brain attunes to more than just sound

...y using a robotic device that slightly altered the path of the jaw's motion at different points during speech, but did not significantly disrupt the acoustic quality of the words being spoken. The researchers were able to manipulate jaw motion at specific points during speaking and were thereby able to sp...

Regulating the nuclear architecture of the cell

...t on the chromosomal material. Steps along the path Several genes previously identified in Drosophila as having a role in the suppression of gene expression, known as suppressors of variegation, were named Su(vars). The gene family known as Su(var)3-9 codes for proteins that chemically modify ce...

New HIV statistics indicate increasing toll of AIDS on African American community

... it has to stop. This plan of action shows us the path forward to reversing this national disparity." "The U.S. government is showing leadership in addressing the global pandemic, but we are failing to confront AIDS here at home," said Congresswoman Donna M. Christensen (D-U.S. Virgin Islands), Chair ...

Cardiologist's 'living chip' changes science of disease monitoring

...hat is already out there." If there is a perfect path for a start-up company to take, Physiologic Commun...tions has found it, Fahner-Vihtelic said. It's the path down which the Office of Technology Transfer hopes it can direct other University researchers with p...

New technology used to construct the first map of structural variation in the human genome

.... One paper describes a new whole-genome tiling path microarray, which was constructed from the same DNA used to sequence the human genome in 2001. The array covers 93.7% of the euchromatic (gene-containing) regions of the human genome and substantially improves resolution over previous arrays. The a...

Biotech cotton provides same yield with fewer pesticides

...archers used a type of statistical analysis called path analysis. Factors that affected biodiversity included the sandiness of the soil, use of broad-spectrum insecticides and insect growth regulators, number of cotton seeds planted per acre, and the amount and types of plants in the adjacent uncultivated...

Striking the right balance between excitation and inhibition

...ys a central role in regulating this choice. That path is described in a study from Martyn Goulding, PhD., an associate professor in the Molecular Neurobiology Laboratory. Goulding, along with co-lead authors, postdoctoral fellow Rumiko Mizuguchi, PhD., and Sonja Kriks, a graduate student at Georg-August...

Diabetes research takes wing thanks to long-lived fruit fly

...ochester has led scientists down an unexpected new path in the fight against diabetes. The mutant fly is serving as a portal for understanding the factors that determine how nutrition and stress set the foundation for metabolic syndrome and diabetes, why diabetes occurs more frequently as people age, and ...

Himalayan forests disappearing

... (future) movements of a cursor along a particular path within a maze to reach an intended goal. All cursor movements that had to be prepared . . . to reach the goal were reflected by the activity of the PFC neurons. In contrast, very few PFC neurons (9%) reflected the intended arm movements during the pr...

The brain's executive is an 'event planner'

... (future) movements of a cursor along a particular path within a maze to reach an intended goal. All cursor movements that had to be prepared . . . to reach the goal were reflected by the activity of the PFC neurons. In contrast, very few PFC neurons (9%) reflected the intended arm movements during the pr...

Discovery of agile molecular motors could aid in treating motor neuron diseases

...otor, termed myosin V, moves cargo with a variable path short distances along another type of cellular track called actin. This flexibility could help myosin V navigate crowded regions of the cell where the actin filaments criss-cross and where other cellular components would otherwise pose an impediment ...

New genetic test for breast cancer

...ores that range from 11 to 25, where the treatment path is not so clear. Our study is designed to resolve this uncertainty." Women participating in the TAILORx trial will be assigned to one of three groups depending on their recurrence score. If the score is more than 25, women will receive chemotherap...

Ancient global warming drove early primates' dispersal

...evidence suggests a completely different migration path from those previously proposed and indicates that sudden, rapid global warming drove the dispersal. Researchers from the University of Michigan, Johns Hopkins University School of Medicine and the Royal Belgian Institute of Natural Sciences presen...

Creating a window on 'oceans in motion'

...he moon. "Revolutionary new technologies open the path not just to smarter fisheries management, to better sea life conservation measures, and to the potential of abundant and sustainable stocks of commercial fish, they will also provide scientists with a massive increase in observations of rapidly shift...

Widespread elephant slaughter discovered in Chad

... west of the conflict area of Darfur and is in the path of recent rebel activity in Chad, thus security is low and borders are porous in this isolated region. Fay took information of the massacres to Chadian and EU officials, who are enacting an emergency plan with contributions from the African Parks Fo...

New pathways for autoimmune treatment identified

...a development process but via a somewhat different path than that of other T cells. MCG researchers have learned medullary epithelial cells in the thymus are critical to proper i NKT cell development. A defective Aire gene disrupts this natural nurturing relationship by disrupting medullary epithelial ce...

Indonesia - disaster relief aid in action

...f Yogyakarta, near the southern coast of Java, its path has claimed more than 3,000 people, with thousands more injured. The disaster relief team left from Brussels 19:00, Sunday 28 May, reaching Jakarta the following day. Their immediate mission includes assessing the availability of both dialysis hardw...

APS lecturer shows rare video of 'teacher-student' immune cell interactions in live animal

...entered the body," von Andrian said. He traced the path of the educated T cells leaving the lymph node, when they become known as effector cells. In addition, von Andrian addressed how these T cells kill those cells they identified as harboring a pathogen without going on a rampage and annihilating everyt...

Contaminants linked to sturgeon decline in Columbia river

...am of Bonneville, the last dam on the river in its path to the Pacific Ocean. The researchers found some of the fish living in reservoirs behind the dams had concentrations of chemicals up to 20 times higher than the fish below Bonneville. The contamination was most significant in the reservoir behind the...

Scientists discover new genetic subtypes of common blood cancer

...nces in outcomes, providing a clear and productive path for further research. This narrowing down of potential genes and proteins within the subgroups "is a huge advance," comments DePinho. "If you know that a certain gene is driving the disease and influences the clinical behavior of the disease in huma...

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