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GrainGenes Reference Report: GEN-168-639

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Reference	GEN-168-639
Title	Group 3 Chromosome Bin Maps of Wheat and Their Relationship to Rice Chromosome 1
Journal	Genetics
Year	2004
Volume	168
Pages	639-650
Author	[ Hide all but 1 of 38 ] Munkvold JD Greene RA Bermudez-Kandianis CE La Rota CM Edwards H Sorrells SF Dake T Benscher D Kantety R Linkiewicz AM Dubcovsky J Akhunov ED Dvorak J Miftahudin Gustafson JP Pathan MS Nguyen HT Matthews DE Chao S Lazo GR Hummel DD Anderson OD Anderson JA Gonzalez-Hernandez JL Peng JH Lapitan N Qi LL Echalier B Gill BS Hossain KG Kalavacharla V Kianian SF Sandhu D Erayman M Gill KS McGuire PE Qualset CO Sorrells ME
Abstract	The focus of this study was to analyze the content, distribution, and comparative genome relationships of 996 chromosome bin-mapped expressed sequence tags (ESTs) accounting for 2266 restriction fragments (loci) on the homoeologous group 3 chromosomes of hexaploid wheat (Triticum aestivum L.). Of these loci, 634, 884, and 748 were mapped on chromosomes 3A, 3B, and 3D, respectively. The individual chromosome bin maps revealed bins with a high density of mapped ESTs in the distal region and bins of low density in the proximal region of the chromosome arms, with the exception of 3DS and 3DL. These distributions were more localized on the higher-resolution group 3 consensus map with intermediate regions of high-mapped-EST density on both chromosome arms. Gene ontology (GO) classification of mapped ESTs was not significantly different for homoeologous group 3 chromosomes compared to the other groups. A combined analysis of the individual bin maps using 537 of the mapped ESTs revealed rearrangements between the group 3 chromosomes. Approximately 232 (44%) of the consensus mapped ESTs matched sequences on rice chromosome 1 and revealed large- and small-scale differences in gene order. Of the group 3 mapped EST unigenes [~]21 and 32% matched the Arabidopsis coding regions and proteins, respectively, but no chromosome-level gene order conservation was detected
External Databases	Pubmed: 15514041
Keyword	chromosomes [ Show all 9 ]

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