Towards a saturated molecular genetic linkage map for cultivated sunflower. (Genomics, Molecular Genetics & Biotechnology).

Crop Science, January, 2003 by Berry, Simon; Chu, Wen-Chy; Cole, Glenn; Edwards, Keith J.; Grondona, Martin; Han, Feng; Heesacker, Adam; Herring, Martin; Knapp, Steven J.; Leon, Alberto J.; Maes, Nele; Olungu, Christine; Slabaugh, Mary B.; Soper, John; Tang, Shunxue; Thompson, Lucy; Webb, David M.; Yu, Ju-Kyung

The density and utility of the molecular genetic linkage map of cultivated sunflower (Helianthus annuus L.) has been greatly increased by the development and mapping of several hundred simple sequence repeat (SSR) markers. Of 1089 public SSR markers described thus far, 408 have been mapped in a recombinant inbred line (RIL) mapping population (RHA280 x RHA801). The goal of the present research was to increase the density of the sunflower map by constructing a new RIL map (PHA x PHB) based on SSRs, adding loci for newly developed SSR markers to the RHA280 x RHA801 RIL map, and integrating the restriction fragment length polymorphism (RFLP) and SSR maps of sunflower. The latter was accomplished by adding 120 SSR marker loci to a backbone of 80 RFLP marker loci on the HA370 x HA372...

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