Deletion mutants of Neurospora crassa mitochondrial DNA and their relationship to the "stop-start" growth phenotype.


"Stoppers" are a class of Neurospora crassa extranuclear mutants characterized by gross deficiencies of cytochromes b and aa3 and an unusual growth phenotype which involves irregular periods of growth andnongrowth. In the present work, mtDNAs from all four stopper mutants were found to contain deletions or insertions detectable by restriction enzyme… (More)

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