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'Autoantibodies' may be created in response to bacterial DNA

Autoimmune diseases have long been regarded as illnesses in which the immune system creates autoantibodies to attack the body itself. But, researchers at the California non-profit Autoimmunity Research Foundation (ARF) explain that the antibodies observed in autoimmune disease actually result from alteration of human genes and gene products by hidden bacteria.

DNA blueprint for healthier and more efficient cows

Ground breaking findings by an international consortium of scientists who sequenced and analysed the bovine genome, could result in more sustainable food production.

The findings, published in two reports in the journal Science today, will have a profound impact on Australia's livestock industry.

Bovine genome provides clues to possible new developments

Scientists from Texas AgriLife Research and the Texas A&M University College of Veterinary Medicine & Biomedical Sciences (CVM) are part of a consortium of researchers who have developed an annotated sequence of the cattle genome which could lead to better disease resistance and higher quality meat for consumers, the researchers say.

International team cracks mammalian gene control code

An international consortium of scientists, including researchers from The University of Queensland (UQ), have probed further into the human genome than ever before.

They have discovered how genes are controlled in mammals, as well as the tiniest genetic element ever found.

Their discoveries will be published in three milestone papers in leading journal Nature Genetics.

CSHL neuroscientists propose project to comprehensively map mammalian brain circuits

Cold Spring Harbor, NY -- Thirty-seven scientists from Cold Spring Harbor Laboratory (CSHL) and 20 other major research institutions in the U.S. and Europe have issued a major challenge to the neuroscience community. At long last, the time has come, they argue in a just-published paper, to assemble a comprehensive map of the major neural circuits in the mammalian brain.

Skin cancer study uncovers new tumor suppressor gene

National Institutes of Health (NIH) researchers have identified a gene that suppresses tumor growth in melanoma, the deadliest form of skin cancer. The finding is reported today in the journal Nature Genetics as part of a systematic genetic analysis of a group of enzymes implicated in skin cancer and many other types of cancer.

Right warfarin dose determined by 3 genes

Researchers at Uppsala University, together with colleagues at the Karolinska Institute and the Sanger Institute, have now found all the genes the determine the dosage of the blood-thinning drug warfarin. The findings are published in the scientific journal PLoS Genetics.

Genetic irregularities linked to higher risk of COPD among smokers

DURHAM, N.C. - Scientists at Duke University Medical Center have discovered two genetic markers that appear to put some smokers at significantly higher risk of developing chronic obstructive pulmonary disease (COPD).

Elephant shark genome sequence leads to discovery of color perception in deep-sea fish

The elephant shark, a primitive deep-sea fish that belongs to the oldest living family of jawed vertebrates, can see color much like humans can.

This discovery, published in the March 2009 issue of Genome Research, may enhance scientists' understanding of how color vision evolved in early vertebrates over the last 450 million years of evolution.

Scientists find gene that modifies severity of cystic fibrosis lung disease

Researchers at Wake Forest University Baptist Medical Center, and colleagues, have identified a gene that modifies the severity of lung disease in people with cystic fibrosis, a lethal genetic condition. The findings open the door to possible new targets for treatment, researchers say.

Low levels of vitamin B12 may increase risk for neural tube defects

Children born to women who have low blood levels of vitamin B12 shortly before and after conception may have an increased risk of a neural tube defect, according to an analysis by researchers at the National Institutes of Health, Trinity College Dublin, and the Health Research Board of Ireland.

New tool for genome-wide association studies

Modern genotyping technologies offer new opportunities to explore how genes influence health and disease, but also present the challenge of analyzing huge amounts of genetic and clinical data.

Relationships in rank and file

Since the sequencing of the human genome eight years ago, enormous progress has been made in analyzing and understanding it. Nevertheless, the function of most human genes is still barely understood.

Next gen sequencing technology pinpoint 'on-off switches' in genomes

Scientists have developed a set of molecular tools that provide important insight into the complex genomes of multicellular organisms.

Genetic regions influencing male sexual orientation identified

In the first-ever study combing the entire human genome for genetic determinants of male sexual orientation, a University of Illinois at Chicago researcher has identified several areas that appear to influence whether a man is heterosexual or gay. The study, which is currently available online, will be published in the March issue of the biomedical journal Human Genetics.

UIC's Brian Mustanski, working with colleagues at the National Institutes of Health, found stretches of DNA that appeared to be linked to sexual orientation on three different chromosomes in the nucleus of cells of the human male.



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