Abstract
Genetic analysis of nuclear ribosomal DNA (rDNA) of Lentinula edodes was carried out using rDNA restriction fragment length polymorphisms (RFLPs) as genetic markers. Two compatible monokaryotic strains that differed in the endonuclease digestion patterns of their rDNA were used. The dikaryotic strain established by crossing them produced mixed RFLP patterns. Single-spore isolates derived from the dikaryotic strain showed three types of rDNA RFLP patterns: either one of the two parental types or a mixed type. From the frequency of the mixed type, the recombination value of rDNA tandem repeats was calculated to be 31.4%. Linkage analysis between rDNA and two incompatibility factors (A and B) revealed that rDNA was not linked to either factor. The rDNA genotypes did not affect mycelial growth among the single-spore isolates.
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Fukuda, M., Sekiguchi, T. & Ono, Y. Genetic analysis of nuclear ribosomal DNA of Lentinula edodes . Mycoscience 47, 347–350 (2006). https://doi.org/10.1007/s10267-006-0314-8
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DOI: https://doi.org/10.1007/s10267-006-0314-8