Molecular mapping of a nuclear male-sterility gene in sunflower (Helianthus annuus L.) using TRAP and SSR markers.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik
Junfang ChenC C Jan

Abstract

A nuclear male-sterile mutant, NMS 360, induced by streptomycin from an inbred maintainer line HA 89, possesses a single recessive gene, ms9, controlling male sterility. The present study identified DNA markers linked to the ms9 gene in an F2 population derived from the cross of NMS 360 x RHA 271 and maps the ms9 gene to an existing sunflower SSR linkage map. Bulked segregant analysis was performed using the target region amplification polymorphism (TRAP) marker technique and the simple sequence repeats (SSR) technique. From 444 primer combinations, six TRAP markers linked with the ms9 gene were amplified. Two markers, Ts4p03-202 and Tt3p09-529, cosegregated with the ms9 gene. The other four markers, To3d14-310, Tt3p17-390, Ts4p23-300, and Tt3p09-531, linked with ms9 at a distance of 1.2, 3.7, 10.3, and 22.3 cM, respectively. Thirty SSR primers from 17 linkage groups of a PHA x PHB cultivated sunflower linkage map were screened among the two parents and the F2 population. SSR primer ORS 705 of linkage group 10 was tightly linked to ms9 at a distance of 1.2 cM. The ms9 gene was subsequently mapped to linkage group 10 of the public sunflower SSR linkage map. The markers that were tightly linked with the ms9 gene will be useful in...Continue Reading

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Citations

Apr 5, 2008·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Pilar Rojas-BarrosC C Jan
May 22, 2013·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Lucy GonthierMarie-Christine Quillet
Oct 12, 2011·Plant Cell Reports·J J ZhangE De Keyser
Jan 10, 2008·The Plant Journal : for Cell and Molecular Biology·Mi-Ok WooHee-Jong Koh
Jul 11, 2006·Chromosome Research : an International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology·Jinguo Hu
Apr 23, 2017·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·G J MaL L Qi

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