Sampling nucleotide diversity in cotton |
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| Authors: | Allen Van Deynze Kevin Stoffel Mike Lee Thea A Wilkins Alexander Kozik Roy G Cantrell John Z Yu Russel J Kohel and David M Stelly |
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| Institution: | (1) Seed Biotechnology Center, University of California, 1 Shields Ave, Davis, CA, USA;(2) Department of Plant and Soil Science, Texas Tech University, Experimental Sciences Building, Room 215, Mail Stop 3132, Lubbock, TX 79409-3132, USA;(3) Genome and Biomedical Sciences Facility, University of California, 1 Shields Ave, Davis, CA, USA;(4) Monsanto, 1 800 N. Lindbergh Blvd, St Louis, MO 63167, USA;(5) USDA-ARS, Southern Plains Agricultural Research Center, 2881 F&B Road, College Station, TX 77845, USA;(6) Department of Soil and Crop Sciences, Texas A & M University, College Station, TX 77843, USA |
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| Abstract: | Background Cultivated cotton is an annual fiber crop derived mainly from two perennial species, Gossypium hirsutum L. or upland cotton, and G. barbadense L., extra long-staple fiber Pima or Egyptian cotton. These two cultivated species are among five allotetraploid species presumably
derived monophyletically between G. arboreum and G. raimondii. Genomic-based approaches have been hindered by the limited variation within species. Yet, population-based methods are being
used for genome-wide introgression of novel alleles from G. mustelinum and G. tomentosum into G. hirsutum using combinations of backcrossing, selfing, and inter-mating. Recombinant inbred line populations between genetics standards
TM-1, (G. hirsutum) × 3-79 (G. barbadense) have been developed to allow high-density genetic mapping of traits. |
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