Assignment of molecular linkage groups to soybean chromosomes by primary trisomics

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik
J J ZouT Hymowitz

Abstract

Gene-linkage groups (classical linkage groups, CLGs; molecular linkage groups, MLGs) and chromosome relationship in soybean [ Glycine max (L.) Merr., 2n = 40] is not yet established. However, primary trisomics provide an invaluable cytogenetic tool to associate genes and linkage groups to specific chromosomes. We have assigned 11 MLGs to soybean chromosomes by using primary trisomics (2 x + 1 = 41) and SSR markers. Primary trisomics were hybridized with Glycine soja Sieb. and Zucc. (2n = 40) in the greenhouse, F(1) plants with 2n = 40 and 41 were identified cytologically and 41 chromosome plants were selfed. A deviation from the 1:2:1 ratio in the F(2) population suggests a marker is associated with a chromosome. Of the possible 220 combinations involving 20 MLGs and 11 primary trisomics, 151 combinations were examined. The relationships between soybean chromosomes and MLGs are: 1 = D1a+q, 3 = N, 5 = A1, 8 = A2, 9 = K, 13 = F, 14 = C1, 17 = D2, 18 = G, 19 = L and 20 = I. This study sets the stage to establish relationship between nine remaining MLGs with the other genetically unidentified nine primary trisomics. The association of CLGs with the soybean chromosomes will be discussed.

References

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Feb 13, 2003·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·S. PeñuelaN. D. Young
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Citations

May 28, 2004·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·J J ZouT Hymowitz
Jan 14, 2010·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Haiyan LiWenbin Li
Apr 15, 2010·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Xiuping LiWenbin Li
Feb 24, 2011·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Yingpeng HanWenbin Li
Aug 23, 2011·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Fanli MengWenbin Li
Dec 25, 2009·Sexual Plant Reproduction·Wei-Ping DiaoJin-Feng Chen
Feb 25, 2005·Genome Génome / Conseil National De Recherches Canada·K TriwitayakornD A Lightfoot
Jul 17, 2007·Genome Génome / Conseil National De Recherches Canada·R J SinghR L Nelson
Mar 22, 2008·Genome Génome / Conseil National De Recherches Canada·Randy C ShoemakerScott Jackson
Jan 19, 2008·Genetics·Kiwoung Yang, Soon-Chun Jeong
Apr 28, 2010·Genetics·Seth D FindleyGary Stacey
Mar 8, 2005·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·J GilsingerH Ohm
Jul 5, 2007·Science in China. Series C, Life Sciences·DeTian CaiYingGuo Zhu

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