Abstract
Upon prolonged incubation of two auxotrophic mutants from Streptomyces griseoflavus 142 plated together on minimal medium, heterocaryotic colonies producing only parental type conidia were formed. In addition, from the mixed culture of two double auxotrophs on a medium supplemented with limited amounts of nutrients, stable recombinant-type conidia were recovered at relatively high frequencies. According to these observations, it is suggested that genetic recombination occurs in heterocaryotic mycelial growth antecedent to conidiation. However, complete synapsis appears to be doubtful because of the unbalanced patterns of recombinant recovery.
Publisher
Canadian Science Publishing
Subject
Genetics,Molecular Biology,Applied Microbiology and Biotechnology,General Medicine,Immunology,Microbiology
Cited by
19 articles.
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1. CYTOGENETIC STUDIES ON STREPTOMYCES GRISEOFLAVUS;Annals of the New York Academy of Sciences;2006-12-15
2. GENETICS OF STREPTOMYCES COELICOLOR;Annals of the New York Academy of Sciences;2006-12-15
3. HETEROKARYOTIC COMPATIBILITY, METABOLIC COOPERATION, AND GENIC RECOMBINATION IN STREPTOMYCES*;Annals of the New York Academy of Sciences;2006-12-15
4. VARIABILITY IN STREPTOMYCETES;Annals of the New York Academy of Sciences;2006-12-15
5. Soil To Genomics: The Streptomyces Chromosome;Annual Review of Genetics;2006-12-01