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GIANT-Coli: A novel method to quicken discovery of gene function

Biology /

created Aug 07, 2008 | popularity 4.6 / 5 (5) | comments 0

Think researchers know all there is to know about Escherichia coli, commonly known as E. coli? Think again. "E. coli has more than four thousand genes, and the functions of one-fourth of these remain unknown," says Dr. Deborah ...


Gene-environment interaction in yeast gene expression

Biology /

created Apr 14, 2008 | popularity 5 / 5 (4) | comments 1

The nature vs. nurture debate is familiar to most people, and modern conclusions usually predict a balance between the two. A new paper published this week in the open-access journal PLoS Biology shows that there is a simi ...


Genes and smoking play role in rheumatoid arthritis

Medicine & Health / Diseases

created Jun 01, 2009 | popularity 2 / 5 (1) | comments 0

Recent genetic studies have revealed several new sites of genes that are risk factors for developing rheumatoid arthritis (RA). The strongest association with anti-citrullinated protein antibody (ACPA)-positive RA (ACPAs ...


Analysis does not support association between genetic marker, stress and risk of depression

Medicine & Health / Research

created Jun 17, 2009 | popularity not rated yet | comments 0

Contrary to a previous report, an analysis of 14 previous studies does not find an association between a serotonin transporter gene variation, stressful life events, and an increased risk of major depression, according to ...


A novel explanation for a floral genetic mystery

Biology /

created Jan 16, 2009 | popularity not rated yet | comments 0

Scientists at the University of Jena, Germany have put forth a novel explanation of the evolutionary driving force behind a genetic switching circuit that regulates flower development and survival. The hypothesis, based around ...


Fat mass and obesity assoicated genes increased risk of disease in Mexican-Americans

Medicine & Health / Research

created Jun 10, 2008 | popularity not rated yet | comments 0

A study from the University of Southern California suggests people of Mexican-American descent who have genetic variants of fat gene FTO and Arachidonate 5-Lipoxygenase (5-LO) had higher triglyceride and lower HDL levels. ...


Caltech researchers find tiny genetic change keeps nicotine from binding to muscle cells

Researchers find tiny genetic change keeps nicotine from binding to muscle cells

Chemistry / Biochemistry

created Mar 23, 2009 | popularity 5 / 5 (1) | comments 0

A tiny genetic mutation is the key to understanding why nicotine--which binds to brain receptors with such addictive potency--is virtually powerless in muscle cells that are studded with the same type of receptor. ...


Answer to troublesome question of why some genetic assoc. studies have failed replication attempts

Medicine & Health / Genetics

created Apr 03, 2008 | popularity not rated yet | comments 0

A team of researchers from Harvard School of Public Health (HSPH), Brigham and Women's Hospital (BWH), and elsewhere have described a possible reason why some studies have been unable to replicate associations between genes ...


European ancestry increases breast cancer risk among Latinas

Medicine & Health / Cancer

created Dec 01, 2008 | popularity 3 / 5 (2) | comments 3

Latina women have a lower risk of breast cancer than European or African-American women generally, but those with higher European ancestry could be at increased risk, according to data published in the December 1 issue of ...


Predicting risk of stroke from one's genetic blueprint

Medicine & Health / Genetics

created Feb 25, 2009 | popularity not rated yet | comments 0

A new statistical model could be used to predict an individual's lifetime risk of stroke, finds a study from the Children's Hospital Informatics Program (CHIP). Using genetic information from 569 hospital patients, the researchers ...


Multiple genes implicated in autism

Medicine & Health / Genetics

created Feb 09, 2009 | popularity 5 / 5 (3) | comments 0

(PhysOrg.com) -- By pinpointing two genes that cause autism-like symptoms in mice, researchers at MIT’s Picower Institute for Learning and Memory have shown for the first time that multiple, interacting genetic risk factors ...


Mechanism related to the onset of various genetic diseases revealed

Biology / Other

created Sep 17, 2009 | popularity not rated yet | comments 0

Researchers at the Department of Biochemistry and Molecular Biology of Universitat Autňnoma de Barcelona (UAB) have revealed the process by which proteins with a tendency to cause conformational diseases such as amyotrophic ...


Protein-protein interaction explains vision loss in genetic diseases

Medicine & Health / Genetics

created May 10, 2009 | popularity not rated yet | comments 1

The mystery of genetic disease is only partially solved with the identification of a mutated gene. Often, the pattern of disease - the features or disorders associated with it - vary in type and severity among those who are ...


Genes that drive you to drink (but don't make you an alcoholic)

Medicine & Health / Genetics

created Oct 26, 2009 | popularity 3.5 / 5 (2) | comments 0

Your genetic make up may predispose you to drink more but may not increase your genetic risk for alcoholism (alcohol dependence). Research published in the open access journal, BMC Biology, pinpoints genetic pathways and ge ...


The endangered Gouldian finch

Sons or daughters? Female finches use head colour to decide

Biology / Plants & Animals

created Mar 19, 2009 | popularity 4.8 / 5 (9) | comments 0

(PhysOrg.com) -- Researchers studying the behaviour of the stunningly coloured Gouldian finch have made an exciting discovery - females of the species deliberately overproduce sons when breeding with a male ...