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Biol 258: PP seminar Fall 2002 21 Aug meeting notes Bob Podolsky 1) Introductions 2) Goal? To have you leave knowing more about PP than when you came in. To appreciate how an understanding of PP is important to many fields of biology, and how an understanding of many fields is needed to appreciate and understand PP. 3) Please register for the class 4) Schedule time 5) Book purchase $48 6) General structure of seminar--books and accompanying articles Chapter each week; article each week except for chapters 1 and 4 Must have read chapter by week before, have paper in mind for assignment Rest of group: come up with paper we'd like for follow up reading 7) Questions--not optional. Submit >=36 h before discussion. 8) Website will list readings. Will post pdf of readings if available. 9) First week reading (chapter 1 of Pigliucci): major themes What is plasticity? Single genotype, change environment. Deceptively simple. Complexities a. G -> P mapping function. Fundamental to biology. b. Evolution: need genetic variation for trait. Deals with variation: not genetic, not environmental, but interaction. Must take account of both Plasticity is property of genotype. GxE property of population. What are consequences for evolution? What are consequences for heritability? c. Characterization. Reaction norm, mean and variance within, mean and variance between environments. How to characterize relationships when > 2 environments? What are quantitative approaches? d. Types and time scales: morphological, physiological acclimation, behavior time scale of response vs. time scale at which response is useful e. Mechanism: "can't make evolutionary predictions unless you know the mechanisms involved" f. Pattern Process Mechanism reaction norm differential selection, physiology gene regulation, Q10