Tag: "traits" at biology news

A message from nature to muskrats: 'Dont chill out'

...nce muskrats forage underwater they should exhibit traits that maximize their breath-hold capacity. It is generally acknowledged that an animals dive time is limited by finite on-board oxygen supply and that its aerobic dive limit (ADL) defines the maximum dive duration that can be supported by an oxygen-b...

Loblolly pine open for genetic engineering, research shows

...ists to improve the native southern pine with such traits as drought tolerance and disease- and pest-resistance, according to lead researcher Dr. Jean Gould, an Experiment Station molecular biologist. "Loblolly pine has been challenging to genetically engineer because the genotype is very difficult to rege...

Male birds' ability to learn song affects female mating response

... finding offers broader insight into the role that traits learned by males play in sexual success. In an article in the September 22, 2002, Proceedings of the Royal Society of London: Biological Sciences (now online), biologists led by Duke University Professor of Biology Stephen Nowicki reported studies i...

NSF awards $4.3 million to Rutgers for Maize Genome Sequencing Project

...alue in the information produced since many of the traits for which they breed are controlled by a series of genes working together, Messing explained. Knowing where the various genes are and what they are doing should provide insight into how they might behave when strains are crossbred. More precise i...

Researchers to toast good bacteria

...s will aid in finding and exploiting those genetic traits that make a better cheese, wine, sausage, etc.," Mills said. "Conversely, we can learn more about those lactic acid bacteria that spoil products, to help identify them earlier and perhaps prevent their growth and the resulting spoilage." Mills said t...

Families with two or more children with autism sought for $10.2 million study

...cs studies because our earlier work indicates that traits of autism can be seen in family members related to...cases, these relatives may only exhibit one or two traits of autism." The neurobiological portion of the UW research study will include continuation of a lon...

Chips that analyse cancer genes

... promising because it can pick up isolated genetic traits as well as provide a complete picture. "Predictive factors are much more important, since they may guide us in our choice of treatment, tailored to individual tumour patients. It appears that the chip technology is well suited to help us in this wa...

MRI technique lets researchers directly compare monkey and human brains

...e each species shares similar traits in the visual cortex, the researchers did find distinct differences between the species in two key areas. Implicit in the neuroscience community was that the monkey ...

First soybeans grown in space return to Earth

... planted by Pioneer scientists to determine if the traits can be inherited in future generations. Pioneer will identify the genetics of those traits and use that information to further improve the soybeans' efficiency and profitability for farmers. ...

New screening method may speed hunt for disease-causing genes

...cientists hunt for genes responsible for inherited traits for such maladies as Alzheimer's or Parkinson's diseases, they use a combination of intuition and screening techniques to narrow the field of possibilities. Mapping studies alone can identify between hundreds and thousands of genes, leaving researche...

Geneticists trace 'sticky' rice's origins

...nd geographical origins of important domestication traits in crops." Purugganan and Olsen now plan to study other genes involved in starch synthesis in rice. Research funding for the study of the origin and evolution of glutinous rice was provided by the Alfred P. Sloan Foundation....

Butterfly restrains Darwin

...aterial. Another form of constraints occurs if two traits are linked to each other. A person with long arms always has long legs. The evolutionary biologists from Leiden wanted to investigate, in the laboratory, whether they could rear butterflies with all possible combinations of characteristics or whether...

Space Shuttle returns first soybeans grown on Space Station in commercial farming experiment

...find changes, then we want to know if the positive traits can be inherited genetically by future generations of plants for the benefit of farmers and consumers." Space Shuttle Atlantis visited the orbiting laboratory last month during the STS-112 mission to deliver new experiment equipment and other suppli...

A genetic basis for aggression and anger

....nih.gov ARTICLE 2: "Association of anger-related traits with SNPs in the TPH gene" AUTHORS: D Rujescu, I G...ity, Munich, Germany Since both aggression-related traits and serotonergic activity are partially heritable and correlate inversely, variations in genes of th...

Mole-rat Methuselahs push evolutionary theory of aging

... As a result, naked mole-rats have evolved genetic traits that make them more resistant to senescence than similar-sized, solitary, surface-dwelling rodents. Indeed, the only rodent known to live as long as the naked mole-rat is the African porcupine Hystrix brachyura , which is protected by its large bod...

Fish profiling to stop ANS; dye test for fish disease; reauthorization

...ntroduced species that are successful have several traits in common," said Lodge. "More so than unsuccessful invaders, they tolerate a wide range in temperature and salinity. These fishes are also smaller atmaturity and have higher reproduction rates." By applying the profiles to fishes that have not yet b...

From designer milk to 'green' cows: predictions for milk and dairy products in the next 50 years

... genetic markers in cows for diseases or desirable traits that will enable scientists to improve the efficiency of milk production and select for milk with specific traits. Although the development of genetically modified cows and milk products shows promise, consumer resistance to such products will remain...

New theory explains economic growth in terms of evolutionary biology

...n and generated an evolutionary advantage to human traits that were complementary to the growth process, triggering the takeoff from an epoch of stagnation to sustained economic growth," the authors wrote in their study. The evolution of the human brain in the transition to Homo sapiens "increased the evolu...

Americans deeply divided about use of genetic technologies in reproduction

...ng to use these technologies to identify or select traits such as strength or intelligence. Overall, men were twice as likely as women to be highly supportive of reproductive genetic technologies (25 percent; 12 percent). Most respondents think the government should regulate the quality and safety of ...

Aged Polish forest plots teach new ecosystem lessons

...Polish Academy of Sciences to see if leaf and root traits of the trees can be linked to the ecosystem structure and function. Tjoelker will study physiology of the trees in his part of the three-year study under the National Science Foundation. He's teamed with fellow researchers from the University of Minn...

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