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United States Department of Agriculture

Agricultural Research Service

Title: A 2100 Est Loci Map of Group 7 Chromosomes of Wheat (Triticum Aestivum L.)

Authors
item Hossain, K - N DAKOTA STATE UNIV
item Kalavacharla, V - N DAKOTA STATE UNIV
item Lazo, Gerard
item Hegstad, J - N DAKOTA STATE UNIV
item Wentz, M - N DAKOTA STATE UNIV
item Simons, K - N DAKOTA STATE UNIV
item Gehlhar, S - N DAKOTA STATE UNIV
item Syamala, R - N DAKOTA STATE UNIV
item Obeori, K - N DAKOTA STATE UNIV
item Suresh, B - N DAKOTA STATE UNIV
item Karunadharma, P - N DAKOTA STATE UNIV
item Chao, Shiaoman - UNIV OF CALIFORNIA-DAVIS
item Anderson, Olin
item Qi, L - KANSAS STATE UNIV
item Gill, B - KANSAS STATE UNIV
item Linkiewicz, A - UNIV OF CALIFORNIA-DAVIS
item Dubcovsky, J - UNIV OF CALIFORNIA-DAVIS
item Akhunov, E - UNIV OF CALIFORNIA-DAVIS
item Dvorak, J - UNIV OF CALIFORNIA-DAVIS
item Miftahudin, - AGRONOMY-UNIV OF MISSOURI
item Gustafson, J
item Dilbirligi, M - AGRONOMY-UNIV OF NEBRASKA
item Gill, K - AGRONOMY-UNIV OF NEBRASKA
item Peng, J - COLORADO STATE UNIV
item Lapitan, N L V - COLORADO STATE UNIV
item Drake, T - CORNELL UNIVERSITY
item Sorrells, M - CORNELL UNIVERSITY
item Feril, O - AGRONOMY-UNIV OF MISSOURI
item Pathan, M - AGRONOMY-UNIV OF MISSOURI
item Nguyen, H - AGRONOMY-UNIV OF MISSOURI
item Gonzalez, J - AGRONOMY-U OF MINNESOTA
item Wennerlind, E - AGRONOMY-U OF MINNESOTA
item Anderson, J - AGRONOMY-U OF MINNESOTA
item Fenton, D - U OF CALIFORNIA-RIVERSIDE
item Close, T - U OF CALIFORNIA-RIVERSIDE
item Mcguire, P - UNIV OF CALIFORNIA-DAVIS
item Qualset, C - UNIV OF CALIFORNIA-DAVIS
item Kianian, S - N DAKOTA STATE UNIV

Submitted to: Plant and Animal Genome Conference
Publication Type: Abstract Only
Publication Acceptance Date: January 2, 2004
Publication Date: January 10, 2004
Citation: Hossain, K.G., Kalavacharla, V., Lazo, G.R., Hegstad, J., Wentz, M.J., Simons, K., Gehlhar, S., Syamala, R.R., Obeori, K., Suresh, B., Karunadharma, P., Chao, S., Anderson, O.D., Qi, L., Gill, B.S., Linkiewicz, A.M., Dubcovsky, J., Akhunov, E.D., Dvorak, J., Miftahudin, Gustafson, J.P., Dilbirligi, M., Gill, K.S., Peng, J., Lapitan, N., Drake, T., Sorrells, M.E., Feril, O., Pathan, M.S., Nguyen, H.T., Gonzalez, J., Wennerlind, E., Anderson, J.A., Fenton, D., Close, T.J., Mcguire, P.E., Qualset, C.O., Kianian, S.F. 2004. A 2100 est loci map of group 7 chromosomes of wheat (triticum aestivum l.)[abstract]. XII Plant and Animal Genome Conference. p. 409.

Technical Abstract: We have mapped 2148 loci, representing 919 EST clones, into chromosomes of group 7 of wheat. Regional localization and distribution of these markers directly reflect distribution of gene rich/poor areas in chromosomes of this group. The individual chromosome deletion maps uncovered showed that the average number of loci per unit recombination length in the distal two-third regions of all chromosomes varies from 3 to 6 as compared with proximal regions having ratio of 0.3 to 1. Level of duplicated loci on this group was 55 percent with more of these loci localized towards the distal region. The EST clones which produced three bands on EcoRI-digested DNA blots, not duplicated anywhere else in the genome, and mapping to the three homoeologous chromosomes of group 7, were considered as landmark probes. A consensus chromosome map of group 7 was constructed with 119 landmark probes. Putative order of these probes in the deletion bins were identified based on corresponding rice BACs/PACs and genetic markers mapped on chromosomes 6 and 8 of rice. Comparative maps of wheat, rice, and barley were produced based on the ordered sequences. Identification of landmark ESTs and the consensus map provides a framework of conserved coding regions predating the evolution of wheat genomes.

Last Modified: 4/17/2014
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