Mitochondrial genetics in a natural population of the plant pathogen armillaria.
作者： J B Anderson , M L Smith , J N Bruhn , L C Duchesne
DOI: 10.1093/GENETICS/126.3.575
关键词:
摘要: Transmission and propagation of mitochondrial genotypes in fungi have not been previously investigated the field. This study examined distribution nuclear a natural, local population fungal (Basidiomycetes) root-rot pathogen, Armillaria. Six vegetative clones, ranging size up to 635 m, were identified on basis mating-type alleles. Mitochondrial DNA (mtDNA) restriction fragment patterns indicated that each clone has one, unique mtDNA type. However, as other basidiomycetous fungi, biparental transmission mitochondria following laboratory matings sexually compatible haploid isolates Armillaria resulted uniformly diploid mycelium was mosaic for both parental types. Therefore, either between monosporous, are uncommon nature, or when mating does occur, cytoplasmic markers one partner predominate during subsequent growth.
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