Section 10
Chapter 9,106

Nonmeiotic mechanisms of recombination in the anther smut Microbotryum violaceum

Day, A.W.

International Journal of Plant Sciences 159(2): 185-191


ISSN/ISBN: 1058-5893
DOI: 10.2307/2475080
Accession: 009105295

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Recombination in the anther smut Microbotryum violaceum (Ustilago violacea) can occur in a variety of ways, from conventional meiosis in diploid strains, to meiosis in polyploids, to several methods of parasexual recombination involving diploid, haploid, and aneuploid segregants. This article summarizes the analyses of the nonmeiotic methods of recombination that have been carried out by the author and by Dr. E. D. Garber and discusses the advantages and uses of each technique. These studies have provided a detailed "classical" map of this fungus and have pointed to features of the genetic organization of this species that make it different from genetically well-characterized Ascomycetes such as Aspergillus, Neurospora, and Saccharomyces.

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