Molecular identification of the causal locus for the petaloid phenotype in <i>Daucus carota</i>

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Author(s)

    • Fujii Sota Fujii Sota
    • Graduate School of Biological Sciences, Nara Institute of Science and Technology|Graduate School of Agricultural and Life Sciences, The University of Tokyo|Japan Science and Technology Agency, Precursory Research for Embryonic Science and Technology

Abstract

<p>Homeotic alteration phenotype of the flowers in <i>Daucus carota</i> are widely used for hybrid breeding, consequently molecular markers tightly-linked to such phenotype are in demand. Here we report the identification of a gene locus responsible for the phenotypic expression of stamen conversion into a petal-like structure, or petaloid. Using a segregating population and sequencing analysis of two bulked populations, we discovered a large contributing peak on the long arm of chromosome 4. <i>DcMADS2</i>, a homolog of the B-class floral homeotic gene <i>PISTILLATA</i>, found at the center of the peak region, was considered the strongest candidate causal gene. We established PCR primers that could be used to distinguish the two <i>DcMADS2</i> alleles linked to each petaloid- and non-petaloid-phenotype.</p>

Journal

  • Breeding Science

    Breeding Science 69(1), 186-188, 2019

    Japanese Society of Breeding

Codes

  • NII Article ID (NAID)
    130007636134
  • NII NACSIS-CAT ID (NCID)
    AA11317194
  • Text Lang
    ENG
  • ISSN
    1344-7610
  • NDL Article ID
    029672338
  • NDL Call No.
    Z54-J372
  • Data Source
    NDL  J-STAGE 
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