Meiotic chromosome synapsis in a haploid yeast

  title={Meiotic chromosome synapsis in a haploid yeast},
  author={Josef Loidl and Knud Nairz and Franz Klein},
An extensive synaptonemal complex (SC) is found at pachytene in whole mount spread preparations of a haploid yeast, Saccharomyces cerevisiae, strain. Whereas unsynapsed axial elements are present only in a few nuclei, in others non-homologous synapsis involves virtually the whole chromosome set. This suggests that homology is not an indispensable precondition for SC formation in yeast but that chromosomes engage in non-homologous synapsis if no homologous partner is available. Recent evidence… CONTINUE READING


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