Tag: "link" at biology news

Does Mountain Living Slow Rate Of Molecular Evolution?

...mingbird species, is some of the first evidence to link an animal's physical environment to the rate at which genes evolve, something traditionally attributed mostly to the size, mass or other...

UB Fertility Researchers Find They Can Predict Pregnancy By Assessing Two Sperm Abnormalities

...l of Medicine and Biomedical Sciences have found a link between specific clinical pregnancies and very low levels of two sperm abnormalities. The two abnormalities -- premature chromosomal decondensation and premature acrosome reaction, which are overlooked in a standard semen analysis -- had never b...

Ulcer-Causing Bacteria Found In Central Pa. Surface Water

...80 percent of gastric ulcers. In the late 1980s, a link between H. pylori and certain types of stomach cancer was shown by researchers at Stanford University. Normal testing procedures do not identify the presence of live H. pylori in water. Therefore, the Penn State Harrisburg researchers had to de...

Newly Recognized Cell-Surface Receptor Protects Heart Tissue Against Damage

... as long as the machinery exists in that tissue to link up with thereceptor." The next steps, say the researchers, will be to develop a drug thatactivates the A3 receptor and to design pre-clinical drug safety trials. Editor's Note: Dr. Liang can be reached at 215-349-5674 or liangb@mail.med.upenn...

The Shape Of Life: How Does The Computer "Know" When It Sees It?

...ware product. "Artificial intelligence is the main link between these projects," said Noever,a researchscientist specializing in biotechnology in the Space Sciences Laboratory atNASA/Marshall. "The computer is theengine that solves problems depending on what kind of fuel - that is, what kindof questions--...

Obesity Gene: Possible Link To Heart Disease Risk

DALLAS, June 12 -- A link has been found between leptin, a proteinproduct of the obesity gene, and risk for coronary heart disease, the cause ofheart attacks, say researchers in a study published today in an American HeartAssociation journal. The obesity gene was clon...

Gene Linked To Glaucoma, Hydrocephalus, And Other Birth Defects

...ssage so that itstops short." The specific link to glaucoma came after geneticists at the Universityof Alberta heard about the work being done in Hogan's lab and contacted theresearchers in Nashville.Led by Michael Walter, a co-author on the Cell article, the Canadian team wasstudying families wit...

Excess Thiamine May Help Tumor Growth, Research Shows

...arch shows. The findings reveal a long overlooked link between vitamin B1 -- alsoknown as thiamine -- and...s ina recent issue of AnticancerResearch . The link between thiamine and cancer was first discovered by Laszlo andthe research team last year. That stu...

DFG To Set Up 14 New Collaborative Research Centres

...the cell trigger a cascade of processes whose last link consists of so-called transcriptionfactors regulating the "reading" of genes. Thus these signal pathways control central functionssuch as cell growth and differentiation as well as the individual cell's behaviour within the cellaggregate of organs. D...

University Of Chicago, Hopkins Narrow Search For Inflammatory Bowel Disease Genes: New Study Provides Evidence For Important Gene-Gene Interaction

... with either CD or UC, or both. They found astrong link between a gene on chromosome 1 for all families, but most of theevidence for this association came from families who were not of AshkenaziJewish heritage. The linkage on chromosome 3q involved all families. But the association betweenthe region on ch...

International Research Team Announces Discovery Of Two Species Of Feathered Dinosaurs

...so included a number of fossils that reinforce the link between birds anddinosaurs. Among these discoveri... of new discoveriesthat have made the evolutionary link between dinosaurs and birds indisputable,and have made it possible to begin to understand the evolut...

Research Shows That If One Identical Twin Is Prey To Nightmares, Often The Other Is Too

...entical twins.The work has also confirmed a strong link between nightmares and mental illness. Nig...ghtmares," says Hublin. The findings also link frequent nightmares with mental illness.Examination of the volunteers' medical records showed that p...

New Strategy Discerns Early Stages Of HIV Infection, Paving Way For Targeted Study And Therapy

...e recently been infected," she said. "The missing link wasbeing able to determine if a person was in the early stage of infection." "Some of our most important breakthroughs are elegant in their simplicity,"Chesney reflected. The modified form of the enzyme immunoassay test, currently available only ince...

Third Annual Awards For Presidential Green Chemistry Challenge Recognize Innovations

...The new process uses only hydrogen and catalyst to link the two piecesof 4-ADPA together directly--a breakthrough in the field, the company says. Itsyield is 96 percent. Flexsys, the world's largest producer of 4-ADPA,demonstrated the process at a pilot plant in 1993. For Alternative Solvents or Conditi...

Understanding The Mystery Of Anesthesia

...cture anddynamics. It would be premature for us to link these changes with anesthesia,but our early evidence is pointing toward a generalized mechanism of action forinhaled anesthetics." While the ultimate goal of the experimental studies is toimprove safety and extend the control physicians have over th...

Long-Term Study Looks At HIV Positive Men With Few Signs Of Disease Progression, 10-18 Years After Seroconversion

...ong the original group of 67 LTNPs. Because of the link between viral levels and progression to AIDS, theresearchers recommended that HIV positive individuals who have avoidedprogressing to AIDS for many years should consider starting the new combinationantiviral therapies if the amount of virus in their ...

Discovering Virology From Beijerinck To Hyperlinks

...osium planned tocommemorate a century of virology, link to APS's homepage at http://www.scisoc.org during the month of July. The American Phytopathological Society is a professional scientific organizationdedicated to the study and control of plant disease with more than 5,000 membersworldwide....

Native Fish Found In U.S. Lake Ontario For First Time In 50 Years

...er body. Deepwater sculpins are an important link in the offshore food chain, eating bottom-dwelling invertebrates and, in turn, being eaten by lake trout, historically the lake's top predator. O'Gorman said the capture of this fish is another indication that Lake Ontario is...

Priestly Gene Shared By Widely Dispersed Jews

...i or Ashkenzi communities,confirming the ancestral link of the two communities which had been separatedfor more than 500 years. The study by Prof. Karl Skorecki of the Technion-Israel Institute ofTechnology and Rambam Medical Center in Haifa, and colleagues at the RambamMedical Center, Oxford Uni...

New Long-Term Ecological Research Site Funded For Plum Island Sound Ecosystems Study

...f NSF's LTER program. "An important but neglected link between landand near-shore coastal waters is the input of these materials. Research throughthe Plum Island site should tell us a lot about how food web dynamics inestuaries have been altered." An estuary is a mosaic of habitats, including op...

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