Dual effect of the wheat Ph1 locus on chromosome synapsis and crossover

  title={Dual effect of the wheat Ph1 locus on chromosome synapsis and crossover},
  author={Azahara C. Martin and M Rey and Peter Shaw and Graham Moore},
Allopolyploids must possess a mechanism for facilitating synapsis and crossover (CO) between homologues, in preference to homoeologues (related chromosomes), to ensure successful meiosis. In hexaploid wheat, the Ph1 locus has a major effect on the control of these processes. Studying a wheat mutant lacking Ph1 provides an opportunity to explore the underlying mechanisms. Recently, it was proposed that Ph1 stabilises wheat during meiosis, both by promoting homologue synapsis during early meiosis… CONTINUE READING
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