Tag: "relatives" at biology news

Researchers Find Genetic Clues To Intestinal Disease

...the intestine and cause the same symptoms in close relatives who have inherited the disease.This suggests the disease is actually several different disorders, each one of which is presumably inherited separately, says Bayless. "The finding is important because there are different treatment options for Crohn's...

North America Hit Hard By Asteroid Strike In Yucatan 65 Million Years Ago

...row in parts ofAustralia and South America. Modern relatives of these trees, often called"primitive conifers," include the Norfolk Island pine, Chilean monkey puzzleand Wollemi pine. "The basic point of the study is that we can determine the impact angle ofthis object and that the angle matters," D'Hondt said...

Cornell Scientists Find Way To Boost Rice Crop Yield -- They'll Walk On The Wild Side

...emonstrates that genes in wild rice and other wild relatives of crop plants can do spectacular things. All we're doing is using modern techniques to find those genes and harness them for human food production."...

Two Long-sought Diabetes Gene Found

... need to screen the brothers and sisters and other relatives of those with diabetes and test methods to prevent the disease in those with a genetic propensity to it." The two genes each cause a form of non-insulin dependent diabetes (NIDDM) known as maturity-onset diabetes of the young (MODY). MODY affects an ...

Siblicide In Nature: Study Of Galapagos Seabird Finds Death Can Ensure Species Survival

...Siblicide demands an explanation because its close relatives killing each other," Anderson said. "Getting back to Darwin, the question is how could you maximize long-term reproductive success this way?" He found part of the answer in the boobies poor hatching rates. Masked boobies only hatch about 60 percent ...

E. Coli Genome Reported: Milestone Of Modern Biology Emerges From Wisconsin Lab

...make a gene by gene comparison with its pathogenic relatives and illuminate genes that govern the toxic nature of the bacteria. The sequencing of the E. coli genome, said Blattner, was a necessaryprecursor to the sequencing of the human genome, now underway as part of the Human Genome Project under the di...

At-Risk Women Want Breast Cancer Gene Test--If 'Pros' Outweigh 'Cons'

...cer Center in New York asked74 women who had close relatives with breast cancer if they were prepared toundergo genetic testing for BCRA1 and BCRA2, the genetic mutations associatedwith breast cancer. The women were also asked about their perceptions of thepros and cons of such testing. The researcher...

Purdue Study Finds Prehistoric Couch Potato

...e southern dinosaurs lagging behind their northern relatives in aerobic fitness for tens of millions of years. ..."The South Americans caught up with their northern relatives only in the later Cretaceous, or about 70 million years ago." He will present his findings Saturday ...

Colorado State Biology Professor Says Fatty Acids, Not Shadow, Determine Outcome Of Groundhog Day Feb. 2

...ation chamber at Colorado State. About 20 marmots, relatives ofthe groundhog, are hibernating in the chamber as part of an extensive researchproject. The dark chamber has a temperature of about 5 degrees and mimicsconditions hibernating animals would find in the wild. To arrange a visit, callFlorant at (970) 4...

Mouse Gene Reveals Clues To Human Deafness

...rs withprogressive hearing loss, and 11 unaffected relatives older than age 40. Vahava determined the chromosomal location of the defective gene, namedDFNA15. It was located on chromosome 5 near another gene for inherited deafnessidentified by King and Lynch in an extended Costa Rican family only a few...

Poison-Eating Bugs Strike Gold

..., Mr Stott has found that these microbes' closest relatives are probably the kinds of bacteria which are found in the depths of the ocean, feeding off the mineral-rich streams from hydrothermal vents in the sea-floor. But these ones are from the surface, and are completely new to science." Scientists n...

COGA Suggests Genetic Loci For P3 Brain Wave Abnormality

...w P3 amplitude to number of alcoholic first-degree relatives rather than personal drinking history. Such indications that low P3 amplitudes predate heavy drinking and might be inherited led COGA investigators at all sites to establish neurophysiology laboratories and collect ERP data from the dense alcoholic f...

COGA Genome Scan Suggests Linkage On Chromosomes 1,2,4, And 7

...105 families contained at least three first-degree relatives with alcohol dependence. Like alcoholics in the general U.S. population, the study group was predominantly Caucasian and evidenced considerable comorbidity with other psychiatric diagnoses. The researchers assessed participants according to DSM-II...

Relatives Of People with Colorectal Polyps Face Increased Risk For Colorectal Cancer

...f Physicians & Surgeons have discovered that close relatives ofindividuals who have colon polyps (non-cancerous...developing colorectal cancer as do people who have relatives withcolorectal cancer itself. The research is reported in the June 1 issue of Annalsof Internal Medi...

Genetically-Altered Crops Can Produce Tough, Hard-To-Kill Weeds

...d. Because both oilseed rape and its weedy relatives were introduced to theU.S. by settlers from Europe...s,potatoes, and tomatoes, none of which have weedy relatives in the U.S. Sunflower and squash plants, on the other hand, are both native born, so theynaturally h...

Genetic Clue Found To The Leading Cause Of Blindness In The United States

... membersof a family in which at least three living relatives have the disease areencouraged to contact the center at (503) 494-3064. Dr. Klein and Ruth Oster are both available for interviews. Please contact HenrySessions at (503) 494-8231 to arrange a time. A copy of the full Archivesjournal article is also...

Ancient "Jumping DNA" May Have Evolved into Key Component of Human Immune System

...rtebrates after that lineage splitfrom its jawless relatives approximately 450 million years ago. "No other genes in mammals are split up like this and then recombined at the DNAlevel," Schatz says. He cautions, however, that although the researchers haveshown transpositional activity in vitro, they have not p...

Study Shows First Significant Genetic Evidence For Schizophrenia Susceptibility

...ut two in 100,000. Many studies show blood relatives of schizophrenia patients are at riskfor several personality disorders as well as for schizophrenia, Pulver says. Asecond part of the study suggests different genes may come into play withdifferent types of the disorders. Using their descriptions o...

French Researchers Breed Flightless Ladybirds As Pest-Killers

...o feed high in the trees. Whether their flightless relatives will be ableto do this is unclear. "Certainly this is an interesting advance," says Mike Majerus at theUniversity of Cambridge, who heads a group researching the population geneticsof ladybirds. "Field trials are necessary to find out how eff...

Jurassic Beetle: CSIRO Entomologist Discovers Living Fossil

...rded as the most primitive and ancient. Fossil relatives of the living beetles discovered in the Mallee have been found in Jurassic rocks of Siberia, Central Asia and Britain. The Jurassic was between 210 and 145 million years ago. Dr Lawrence says the antiquity of this particular beetle is evident...

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