Article
Latitudinal and cold-tolerance variation associate with DNA repeat-number variation in the hsr-omega RNA gene of Drosophila melanogaster.
Heredity - 1 Sept 2008
Collinge J E, Anderson A R, Weeks A R, Johnson T K, McKechnie S W
Abstract excerpt
An 8-bp deletion in the hsr-omega heat-stress gene of Drosophila melanogaster has previously been associated with latitude, and with heat tolerance that decreases with latitude. Here we report a second polymorphic site, at the 3'-end of hsr-omega, at which multiple alleles segregate in natural populations for copy number of a approximately 280 bp tandem repeat. On each of 3 consecutive years (2000, 2001 and 2002)...
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