School of Humanities and Sciences
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Professor of Biology
Current Research and Scholarly InterestsOur current focus is on maize anther development to understand how cell fate is specified. We discovered that hypoxia triggers specification of the archesporial (pre-meiotic) cells, and that these cells secrete a small protein MAC1 that patterns the adjacent soma to differentiate as endothecial and secondary parietal cell types. We also discovered a novel class of small RNA: 21-nt and 24-nt phasiRNAs that are exceptionally abundant in anthers and exhibit strict spatiotemporal dynamics.
Professor of Biology, Emeritus
Current Research and Scholarly InterestsEvolutionary adaptive mechanisms, molecules to ecosystems
Director, Stanford Institute for Stem Cell Biology and Regenerative Medicine, Virginia & D.K. Ludwig Professor for Clinical Investigation in Cancer Research, Professor of Developmental Biology and, by courtesy, of Biology
Current Research and Scholarly InterestsStem cell and cancer stem cell biology; development of T and B lymphocytes; cell-surface receptors for oncornaviruses in leukemia. Hematopoietic stem cells; Lymphocyte homing, lymphoma invasiveness and metastasis.
Professor of Biological Sciences and Dean of the School of Humanities and Sciences, Emeritus
Current Research and Scholarly InterestsAnnual survey of rainbow and brown trout in northern lakes on the North Island of New Zealand. !995-2018, et seq.