by Dr. Hsien-Hsien Lei
Posted January 24, 2008 in DNA and Disease, Eye on DNA Headlines, Genetically Modified Foods and Organisms, Personalities with DNA
- Gene Genie Issue #24 is up at Biomarker-Driven Mental Health 2.0.
- Sue Trinidad at Women’s Bioethics Blog wants to know how far genetic researchers can take your DNA beyond your initial informed consent.
- Sam Karlin of Stanford University who created BLAST with Stephen Altshul died in December of a massive heart attack.
“Because of the common descent of all living things, it is often possible to learn a lot about a new DNA sequence by finding out what is known about other sequences that are similar,” (Russ) Altman said. BLAST compares the new sequence to an enormous database of sequences. “It estimates the significance of the match between the input sequence and the ‘hits’ that are pulled out. This is where Sam’s contribution wasâ€”he worked out the statistical theory for how to judge which matches really meant something. So BLAST is basically the Google of biological research.”
- The newest (42nd) member of The DNA Network is Genetic Future by Australian researcher Daniel MacArthur. His latest post looks at the ethical challenges of whole-genome sequencing. Welcome, Daniel! We’re glad to have you.
- Four reasons why genetically modified food is inevitable. (HT: Mark Evans)
- Hypertensive patients with a copy or more of the T2238C variant of the atrial natruiretic precursor A (NPPA) gene may have a decreased risk of coronary heart disease (CHD), stroke, all-cause death, combined CHD, and combined CVD if treated with the diuretic chlorthalidone (also known as Clorpres, Tenoretic, and Thalitone). Those with the most common TT genotype appear to do better when treated with a calcium channel blocker (amlodipine aka Norvasc). (Medical News Today)
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