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Genetics

  • The Inner Lives of Sponges

    Symbiotic ties, bioactive compounds, and mysterious distributions of bacteria characterize these ancient invertebrates.

  • A Polymorphism Within the G6PC2 Gene Is Associated with Fasting Plasma Glucose Levels

    Variation in a gene for a protein in the pancreas may help explain why people have different levels of fasting blood glucose, a factor that affects disease risk.

  • The Serine Protease TMPRSS6 Is Required to Sense Iron Deficiency

    A cell-surface enzyme that cleaves proteins is unexpectedly necessary for sensing when iron levels are low and thereby triggering compensatory absorption of iron from food.

  • Confusing Kinships

    Understanding microbial evolution and ecology rests on a solid classification system, but coming up with one is difficult.

  • The Cost of a Genuine Collaboration

    Geneticist Nancy Jenkins has turned down an invitation to join the U.S. National Academy of Sciences because her husband and longtime scientific partner, geneticist Neal Copeland, was not on the list.

  • How to Get a Genetic Protection Law Through Congress? Keep Trying

    After 13 years of rejection, a bill to protect individuals from employment and insurance discrimination based on their DNA, the Genetic Information Nondiscrimination Act, is poised to become law. Science interviews its most stalwart backer, Representative Louise Slaughter (D-NY).

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