Sharon R. Long
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Sharon R. Long, Ph.D., Professor, Department of Biological Sciences, Stanford University.
She is Andersen Dean of the School of Humanities and Sciences and holds the Steere-Pfizer chair in Biological Sciences at Stanford. She studied at Harvey Mudd College, Caltech (B.S.) and Yale (Ph.D.) in biochemistry and genetics, and began her research on plants and symbiosis while a postdoc at Harvard. She is a member of the National Academy of Sciences, and a MacArthur Prize fellowship recipient. She joined the Stanford faculty in 1982, and from 1994-2001 she was an Investigator of the Howard Hughes Medical Institute. She was appointed as Dean of Humanities and Sciences in September 2001.
Her current research uses molecular, genetic, and biochemical techniques to study the early stages of symbiosis between Rhizobium (also Sinorhizobium) meliloti and its host plants in the genus Medicago. Rhizobium cells recognize and form nodules on their plant hosts. Her group discovered that a flavone (luteolin) derived from alfalfa seed extracts is necessary for activation of nodulation genes (nod ABC) in Rhizobium meliloti.
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