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    Extensive macrosynteny between Medicago truncatula and Lens culinaris ssp. Culinaris

    Access Status
    Fulltext not available
    Authors
    Phan, H.
    Ellwood, Simon
    Hane, J.
    Ford, R.
    Materne, M.
    Oliver, Richard
    Date
    2007
    Type
    Journal Article
    
    Metadata
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    Citation
    PHAN HTT, ELLWOOD SR, HANE , FORD R, MATERNE M, OLIVER RP (2007) Extensive macrosynteny between Medicago truncatula and Lens culinaris ssp. Culinaris. Theoretical and Applied genetics 114 549-558
    DOI
    10.1007/s00122-006-0455-3
    Faculty
    Department of Environmental & Agriculture
    School of Agriculture and Environment
    Faculty of Science and Engineering
    Remarks

    A copy of this item may be available from Professor Richard Oliver

    Email: Richard.oliver@curtin.edu.au

    URI
    http://hdl.handle.net/20.500.11937/14555
    Collection
    • Curtin Research Publications
    Abstract

    The first predominantly gene-based genetic linkage map of lentil (Lens culinaris ssp. culinaris) was constructed using an F5 population developed from a cross between the cultivars Digger (ILL5722) and Northfield (ILL5588) using 79 intron-targeted amplified polymorphic (ITAP) and 18 genomic simple sequence repeat (SSR) markers. Linkage analysis revealed seven linkage groups (LGs) comprised of 5–25 markers that varied in length from 80.2 to 274.6 cM. The genome map spanned a total length of 928.4 cM. Clear evidence of a simple and direct macrosyntenic relationship between lentil and Medicago truncatula was observed. Sixty-six out of the 71 gene-based markers, which were previously assigned to M. truncatula genetic and physical maps, were found in regions syntenic between the Lens c. ssp. culinaris and M. truncatula genomes. However, there was evidence of moderate chromosomal rearrangements which may account for the difference in chromosome numbers between these two legume species. Eighteen common SSR markers were used to connect the current map with the most comprehensive and recent map that exists for lentil, providing the syntenic context of four important domestication traits. The composite map presented, anchored with orthologous markers mapped in M. truncatula, provides a strong foundation for the future use of genomic and genetic information in lentil genetic analysis and breeding.

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