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          Institute: MPI für Pflanzenzüchtungsforschung     Collection: Dept. Molecular Plant Genetics (Heinz Saedler)     Display Documents



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ID: 28746.0, MPI für Pflanzenzüchtungsforschung / Dept. Molecular Plant Genetics (Heinz Saedler)
A linkage map of an F-2 hybrid population of Antirrhinum majus and A-molle
Authors:Schwarz-Sommer, Z.; Silva, E. D.; Berndtgen, R.; Loennig, W.-E.; Mueller, A.; Nindl, I.; Stueber, K.; Wunder, J.; Saedler, H.; Gubitz, T.; Borking, A.; Golz, J. F.; Ritter, E.; Hudson, A.
Language:English
Date of Publication (YYYY-MM-DD):2003-02
Title of Journal:Genetics
Journal Abbrev.:Genetics
Volume:163
Issue / Number:2
Start Page:699
End Page:710
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:To increase the utility of Antirrhinum for genetic and evolutionary studies, we constructed a molecular linkage map for an interspecific hybrid A. majus X A. molle. An F-2 population (n = 92) was genotyped at a minimum of 243 individual loci. Although distorted transmission ratios were observed at marker loci throughout the genome, a mapping strategy based on a fixed framework of codominant markers allowed the loci to be placed into eight robust linkage groups consistent with the haploid chromosome number of Antirrhinum. The mapped loci included 164 protein-coding genes and a similar number of unknown sequences mapped as AFLP, RFLP, ISTR, and ISSR markers. Inclusion of sequences from mutant loci allowed provisional alignment of classical and molecular linkage groups. The total map length was 613 cM with an average interval of 2.5 cM, but most of the loci were aggregated into clusters reducing the effective distance between markers. Potential causes of transmission ratio distortion and its effects on map construction were investigated. This first molecular linkage map for Antirrhinum should facilitate further mapping of mutations, major QTL, and other coding sequences in this model genus.
Comment of the Author/Creator:Date: 2003, FEB
External Publication Status:published
Document Type:Article
Communicated by:N.N.
Affiliations:MPI für Pflanzenzüchtungsforschung
External Affiliations:Univ Edinburgh, Inst Cell & Mol Biol, Kings Bldgs,Mayfield Rd,; Edinburgh EH9 3JH, Midlothian, Scotland; Univ Edinburgh, Inst Cell & Mol Biol, Edinburgh EH9 3JH, Midlothian, Scotland; Max Planck Inst Zuchtungsforsch, D-50829 Cologne, Germany; Neiker, Vitoria 01080, Spain
Identifiers:ISI:000181417200023 [ID No:1]
ISSN:0016-6731 [ID No:2]
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