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tag tooth genetics genomics

Genome Economy
Ricki Lewis | Jun 10, 2001 | 10 min read
The Human Genome Project's discovery1 that the human body runs on an instruction manual of a mere 35,000 or so genes--compared to the worm's 19,000, the fruit fly's 13,000, and the tiny mustard relative Arabidopsis thaliana's 25,000--placed humanity on an even playing field with these other, supposedly simpler, organisms. It was a humbling experience, but humility quickly gave way to awe with the realization that the human genome might encode 100,000 to 200,000 proteins. Scientists base this num
Notebook
The Scientist Staff | Apr 26, 1998 | 8 min read
WHAT FOLLOWS TAMOXIFEN? Warnings accompanied recent announcements from the University of Pittsburgh-based National Surgical Adjuvant Breast and Bowel Project and the National Cancer Institute in Bethesda, Md., that tamoxifen achieved a 45 percent reduction in the incidence of breast cancer compared to women who took a placebo in the Breast Cancer Prevention Trial. The 25-year-old drug still carries the risk of serious side effects for women over 50, officials said. But the overall results were

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