Mating types in five isolates of Physarum polycephalum [Fungi]

Of the five isolates of P. polycephalum studied, each displays a different pair of mating factors, and four of the pairs are reported for the first time. The ten mating types are assumed to constitute a single multiple allelic series. However, because one of the five isolates (N.C.) consistently yie...

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Bibliographic Details
Published in:Mycologia 1975, Vol.67 (1), p.98-107
Main Author: Collins, O'Neil Ray
Format: Article
Language:English
Subjects:
Alleles
Didymium
DNA
Fungal spores
Heterothallism
Hybridity
Meiosis
Microbial genetics
Specimens
Spore germination
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Summary:Of the five isolates of P. polycephalum studied, each displays a different pair of mating factors, and four of the pairs are reported for the first time. The ten mating types are assumed to constitute a single multiple allelic series. However, because one of the five isolates (N.C.) consistently yielded only nonsporulating hybrid plasmodia when crossed with the other four, genetic analyses of these F 1 generations could not be made. On the other hand, interisolate hybrid plasmodia from the remaining combinations did sporulate, and Fi results were in conformity with a one-locus, multiple allelic model.
ISSN:0027-5514
1557-2536
DOI:10.1080/00275514.1975.12019726