Tag: "heads" at biology news

Putting randomness to work: unique form of nanoscale random motion may drive key cellular functions

...approximately 8 nanometers apart where kinesin heads can bind chemically. To move along this pathwa... process quickly starts anew with the original two heads in interchanged positions. "Normally, Brownian motion cannot do anything concerted or with ...

UC Santa Cruz Public Forum on the Human Genome

...ow at Stanford University; and Leroy Hood, who now heads the Institute for Quantitative Systems Biology in Seattle. The 1985 workshop planted the idea of sequencing the human genome within the core group of scientists who attended. One of them was Walter Gilbert of Harvard University, who became an arde...

Walking proteins need to rock and roll, new study finds

... cause kinesin to alternately bind each of its two heads to a microtubule. This "head-over-head" leapfroggi...cist Steven Block recently discovered that kinesin heads walk in steps that are exactly 8 nanometers apart. But X-ray crystal analysis of kinesin shows that ...

Tiny trickster flies into the zoological books

... one at that. Associate Professor Andy Austin, who heads the newly formed Centre forEvolutionary Biology & Biodiversity at Adelaide University, is one ofthe Australian, New Zealand and Canadian team who have discovered a newfamily of parasitic wasps in the windy islands of New Zealand. Theirdiscovery has j...

August media highlights GEOLOGY and GSA TODAY

...ion took their origin from deep-mantle plumes. The heads of such mantle plumes interact with the lithosphere to form oceanic plateaus on the seafloor; the plume tails then produce linear volcanic chains as the plate drifts over them. The authors have carefully examined the relationship between oceanic plat...

New study puts dinosaur noses in their place

... Nostrils once drawn on the top of some dinosaurs' heads now appear just above the mouth. And while that new face likely will capture wide public interest, for scientists, the impact is more than skin deep, said Ohio University paleontologist and study author Lawrence Witmer. "The public has always been i...

New science investigations, a fresh team ready for Expedition Three on International Space Station

...y Echols, the lead payload operations director who heads the cadre working in the science control center at Marshall. "Allocation of a small amount of the crew's time to set up and install experiments can yield a lot of science. Once many experiments are started, we can control them remotely from the gro...

URI scientist receives research award from National Park Service

...k on estuaries. He lives in East Greenwich. Roman heads up the USGS Coastal Field Station at URI which conducts scientific research on coastal National Parks and National Wildlife Refuges with the objective of applying research findings to the protection of natural resources and development of effective n...

Invasive gobies prevent sculpin spawning, impacting perch food chain

...ry similar to mottled sculpins. Gobies have large heads (as do sculpins) and so they slightly resemble large tadpoles. They are typically about 5 inches long, but can grow to 10 inches. Gobies can most easily be distinguished from sculpins by their fused pelvic fins (the front pair underneath the body) ...

ORNL heads effort to build better supercomputer centers

...ys an Oak Ridge National Laboratory researcher who heads a team working to fix the problem. Through a $15 million five-year project, ORNL and a team from universities and other Department of Energy laboratories will create the Scalable Systems Software Center. The center, funded through DOEs Scientific Di...

Agricultural pests may threaten prairies

...set in sunflowers: seed set was lower in sunflower heads bagged with beetles. The researchers suggest that the beetles might reduce seed set by feeding on pollen. Because this corn rootworm beetle feeds on many types of flowers, it could also damage other prairie plants that bloom in late summer. Moreover...

Science features Fox Chase Cancer Center findings on promotion of organ growth

... 27 on its web site www.sciencemag.org/ . Zaret heads Fox Chase's basic science program in cell and developmental biology. The goal of his research focuses on understanding how genes are activated and how early embryonic cells become specific tissue types during the development of mammals. One of his ...

Soy protein prevents skin tumors from developing in mice, UC Berkeley researchers find

...ng research into today's major health problems. He heads the lab where lunasin's anti-cancer properties were first discovered, and where Alfredo Galvez, lead author of the study, worked as a post-doc researcher. Other authors of the report include Na Chen, a doctoral student, and Janet Macasieb, an undergr...

Earliest evidence of lemurs discovered in Pakistan, far from their current home, Science reports

...he birthplace of lemurs, but the new find may turn heads towards a possible Asian origin instead. The discovery of a lemur fossil on the Indian subcontinent was "totally unexpected," says Science author Laurent Marivaux of the Universit Montpellier in France. Dubbed Bugtilemur mathesoni , the 30 millio...

USF Alzheimer's vaccine research boosted by $1.1-million NIH grant

...organ, PhD, professor of pharmacology. Dr. Morgan heads the USF Alzheimer's vaccine research program, which includes Dr. Ugen as one of its major investigators. Dr. Morgan is a co-principal investigator on the new grant. Earlier work by the USF group showed that an experimental vaccine prevented memory ...

Science Report: Super-crocodile crawls out of the African Cretaceous

...in the stiff-necked reptiles, unable to turn their heads towards interesting scents as mammals do. The bulla may have also enhanced vocalizations. "We're still wondering what it's for," admits Sereno. "Crocodilians are among the most vocal reptiles, so I wouldn't doubt that it may have been involved in bot...

Researchers describe atomic-size 'sorter' that performs vital cellular function

...stitute Investigator Roderick MacKinnon, M.D., who heads the lab, and his colleagues describe their work in the Nov. 1 issue of Nature. The image shows the selectivity filter of the channel that only the potassium ion can use to cross the cell membrane. In the same issue of Nature, MacKinnon and his collea...

High school teacher explores South Pole

...tarctica," said Mahlon C."Chuck" Kennicutt II, who heads Texas A&M's Geochemical and EnvironmentalResearch Group (GERG), which journeys to the region to conduct research eachyear. "She spent a week here in College Station this summer, getting acquaintedwith our team, learning field work techniques and fin...

APS awards more than $160,000 to minority students of physiology

...nal Science Foundation, and department and program heads of academic institutions. The Society is happy to have assisted in their success, he added. The program is designed to increase the participation of underrepresented minority students in the physiological sciences and to encourage their recruitmen...

Using genetic research to treat inflammatory diseases Vienna centre of excellence in biomedicine harnesses basic research

... scientific director Professor Bernd R. Binder who heads the Institute of Vascular Biology and Thrombosis Research. "Only research aiming for applicable results can translate breakthroughs in basic research rapidly into effective therapies. This approach is reflected in the role played by the participating...

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