Biographical Memoirs Volume 63 (1994) / Chapter Skim
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5. Sterling Howard Emerson
5. Sterling Howard Emerson
Pages 112-125
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From page 113... ...
Winge, later to become the main pioneer of yeast genetics. SterTing's postgraduate work at Michigan was on the genus Oenothera, and his earlier papers contributed to the unclerstancling of the Oenothera system of balanced segmental interchanges ant!
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W Beadle moved to Caltech from Stanford to take up the chairmanship of the Biology Division, Sterling Emerson joined enthusiastically in the new work on the biochemical genetics of Neurospora crassa.
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He always loved making elegant diagrams, and the Cold Spring Harbor Symposium volume of 1950 contained one of his more ambitious efforts, presenting a synoptic view of competitive reactions and antagonisms in amino acid biosynthesis as revealer! by studies of mutants.
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Sterling himself used it to study mitotic nuclear division uncler the microscope in vivo. Meiosis and the immediate postmelotic mitotic divisions in the Neurospora ascus had been described and photographed by Jesse Singleton ant!
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out before one could admit exceptions to Mendel's First Law. However, as the further evidence accumulated during the 1950s, not only from yeast but from Neurospora and other fungi as well, Emerson incorporated gene conversion into his own thinking about recombination mechanisms.
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From page 118... ...
When approaching retirement, Sterling Emerson (lecided that it was time for him to make his own contribution to the fungal recombination data. He decided on the Ascomycete species AscoboZus immerses, which had the great aclvantage of providing spore color markers that could be scorec!
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H Sturtevant, thought it possible that a protein might mirror the unique surface shape of the gene that specified it, en c!
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He loved making pictures and diagrams. Some of his early representations of hypothetical DNA structures in recombinations conveyed real insights.
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9:121-38. 1930 The inheritance of rubricalyx bud color in crosses with Oenothera Lamarckiana.
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Genetics 24:524-37. 1940 Growth of incompatible pollen tubes in Oenothera organensis.
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USA 34:72-74. 1950 The growth phase in Neurospora corresponding to the logarithmic phase in unicellular organisms.
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Genetica 34:162-82. Meiotic recombination in fungi with a special reference to tetrad analysis.
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STERLING HOWARD EMERSON 125 1969 Linkage and recombination at the chromosome level. In Genetic Organization, Caspari and Raven, eds., vol.
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