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  A linkage map of an F-2 hybrid population of Antirrhinum majus and A-molle

Schwarz-Sommer, Z., Silva, E. D., Berndtgen, R., Loennig, W.-E., Mueller, A., Nindl, I., et al. (2003). A linkage map of an F-2 hybrid population of Antirrhinum majus and A-molle. Genetics, 163(2), 699-710.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0012-3CFA-F Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0012-3CFB-D
Genre: Journal Article

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Schwarz-Sommer, Z.1, Author              
Silva, E. D., Author
Berndtgen, R.1, Author              
Loennig, W.-E.1, Author              
Mueller, A., Author
Nindl, I., Author
Stueber, K.1, Author              
Wunder, J.1, 2, 3, Author              
Saedler, H.1, Author              
Gubitz, T., Author
Borking, A., Author
Golz, J. F., Author
Ritter, E., Author
Hudson, A., Author
Affiliations:
1Dept. of Molecular Plant Genetics (Heinz Saedler), MPI for Plant Breeding Research, Max Planck Society, ou_1113568              
2Dept. of Plant Developmental Biology (George Coupland), MPI for Plant Breeding Research, Max Planck Society, ou_1113571              
3Dept. of Plant Breeding and Yield Physiology (Francesco Salamini), MPI for Plant Breeding Research, Max Planck Society, ou_1113570              

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 Abstract: 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.

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Language(s): eng - English
 Dates: 2003-02
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 28746
ISI: 000181417200023
 Degree: -

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Title: Genetics
  Alternative Title : Genetics
Source Genre: Journal
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Pages: - Volume / Issue: 163 (2) Sequence Number: - Start / End Page: 699 - 710 Identifier: ISSN: 0016-6731