Genetics news
Longevity tied to genes that preserve tips of chromosomes
Nov 11, 2009 |
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A team led by researchers at Albert Einstein College of Medicine of Yeshiva University has found a clear link between living to 100 and inheriting a hyperactive version of an enzyme that rebuilds telomeres - the tip ends ...
Why can't chimps speak? Study links evolution of single gene to human capacity for language
Nov 11, 2009 |
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(PhysOrg.com) -- If humans are genetically related to chimps, why did our brains develop the innate ability for language and speech while theirs did not?
Single gene may cause curly hair
Nov 10, 2009 |
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(PhysOrg.com) -- Scientists in Australia have identified a single gene that strongly influences whether you have curly or straight hair.
Study surprise yields new target for assessing genes linked to autism
Oct 21, 2009 |
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Researchers at Duke University Medical Center have uncovered a new genetic signature that correlates strongly with autism and which doesn't involve changes to the DNA sequence itself. Rather, the changes are in the way the ...
Yale's scan of Turkish infant's genome yields a surprise diagnosis
Oct 19, 2009 |
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(PhysOrg.com) -- In a dramatic illustration of the power of emerging genetic technologies, Yale University researchers have reported making a clinical diagnosis for the first time using comprehensive DNA sequencing of all ...
Testicular tumors may explain why some diseases are more common in children of older fathers
Oct 25, 2009 |
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A rare form of testicular tumour has provided scientists with new insights into how genetic changes (mutations) arise in our children. The research, funded by the Wellcome Trust and the Danish Cancer Society, could explain ...
Sight gone, but not necessarily lost? Researchers find life in blood-starved retinas
Oct 30, 2009 |
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Like all tissues in the body, the eye needs a healthy blood supply to function properly. Poorly developed blood vessels can lead to visual impairment or even blindness. While many of the molecules involved in guiding the ...
Deepening the search for clues to rheumatoid arthritis
Nov 09, 2009 |
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(PhysOrg.com) -- The gnawing pain of rheumatoid arthritis is a signal that the body’s immune system has hit the wrong target: its own cartilage and bone.
Developmental delay could stem from nicotinic receptor deletion
Nov 08, 2009 |
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The loss of a gene through deletion of genetic material on chromosome 15 is associated with significant abnormalities in learning and behavior, said a consortium of researchers led by Baylor College of Medicine in a report ...
TraDIS technique tackles typhoid
Oct 16, 2009 |
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(PhysOrg.com) -- For the first time, researchers are able to look at the need for every gene in a bacterial cell in a single experiment. The new method will transform the study of gene activity and the search ...
Researchers Discover Mutations in Two Genes that Cause Early-Onset Inflammatory Bowel Disease
Nov 05, 2009 |
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(PhysOrg.com) -- An international team including researchers with the National Institutes of Health has discovered that mutations in either of two related genes cause a severe and rare form of inflammatory bowel disease (IBD) ...
Largest gene study of childhood IBD identifies 5 new genes
18 hours ago |
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In the largest, most comprehensive genetic analysis of childhood-onset inflammatory bowel disease (IBD), an international research team has identified five new gene regions, including one involved in a biological pathway ...
Rare mutation dramatically increasing schizophrenia risk
Oct 25, 2009 |
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An international team of researchers led by geneticist Jonathan Sebat, Ph.D., of Cold Spring Harbor Laboratory (CSHL), has identified a mutation on human chromosome 16 that substantially increases risk for schizophrenia.
Study shows neural stem cells in mice affected by gene associated with longevity
Nov 05, 2009 |
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(PhysOrg.com) -- A gene associated with longevity in roundworms and humans has been shown to affect the function of stem cells that generate new neurons in the adult brain, according to researchers at the Stanford University ...
Scientists launch effort to sequence the DNA of 10,000 vertebrates
Nov 04, 2009 |
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Scientists have an ambitious new strategy for untangling the evolutionary history of humans and their biological relatives: Create a genetic menagerie made of the DNA of more than 10,000 vertebrate species. The plan, proposed ...
