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  Comparative mapping between potato (Solanum tuberosum) and Arabidopsis thaliana reveals structurally conserved domains and ancient duplications in the potato genome

Gebhardt, C., Walkemeier, B., Henselewski, H., Barakat, A., Delseny, M., & Stueber, K. (2003). Comparative mapping between potato (Solanum tuberosum) and Arabidopsis thaliana reveals structurally conserved domains and ancient duplications in the potato genome. Plant Journal, 34(4), 529-541.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0012-3CD8-C Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0012-3CD9-A
Genre: Journal Article

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 Creators:
Gebhardt, C.1, 2, Author              
Walkemeier, B.1, Author              
Henselewski, H.2, Author              
Barakat, A., Author
Delseny, M., Author
Stueber, K.3, Author              
Affiliations:
1Dept. of Plant Breeding and Genetics (Maarten Koornneef), MPI for Plant Breeding Research, Max Planck Society, ou_1113569              
2Dept. of Plant Breeding and Yield Physiology (Francesco Salamini), MPI for Plant Breeding Research, Max Planck Society, ou_1113570              
3Dept. of Molecular Plant Genetics (Heinz Saedler), MPI for Plant Breeding Research, Max Planck Society, ou_1113568              

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Free keywords: Solanum tuberosum; Arabidopsis thaliana; synteny; genome evolution
 Abstract: A genetic map of potato (Solanum tuberosum ) was constructed based on 293 restriction fragment length polymorphism (RFLP) markers including 31 EST markers of Arabidopsis. The in silico comparison of all marker sequences with the Arabidopsis genomic sequence resulted in 189 markers that detected in Arabidopsis 787 loci with sequence conservation. Based on conserved linkage between groups of at least three different markers on the genetic map of potato and the physical map of Arabidopsis , 90 putative syntenic blocks were identified covering 41% of the potato genetic map and 50% of the Arabidopsis physical map. The existence and distribution of syntenic blocks suggested a higher degree of structural conservation in some parts of the potato genome when compared to others. Syntenic blocks were redundant: most potato syntenic blocks were related to several Arabidopsis genome segments and vice versa. Some duplicated potato syntenic blocks correlated well with ancient segmental duplications in Arabidopsis. Syntenic relationships between different genomic segments of potato and the same segment of the Arabidopsis genome indicated that potato genome evolution included ancient intra- and interchromosomal duplications. The partial genome coveridge and the redundancy of syntenic blocks limits the use of synteny for functional comparisons between the crop species potato and the model plant Arabidopsis.

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Language(s): eng - English
 Dates: 2003-05
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 28745
ISI: 000182785300012
 Degree: -

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Title: Plant Journal
  Alternative Title : Plant J.
Source Genre: Journal
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Publ. Info: -
Pages: - Volume / Issue: 34 (4) Sequence Number: - Start / End Page: 529 - 541 Identifier: ISSN: 0960-7412