Abstract

ABSTRACT: Nucleotide sequence and polymerase chain reaction (PCR) ‐ restriction fragment length polymorphism (RFLP) analysis of the ribosomal RNA gene (rDNA) regions containing the internal transcribed spacers (ITSs) and the 5.8S rRNA coding sequence was used to differentiate between 7 typical Flammulina strains. These nucleotide sequences revealed the presence of strain‐specific deletions, insertions, and substitutions. Moreover, RFLP patterns produced using restriction endonucleases DraI, FokI, HaeII, MboII, and NlaIV, enabled identification of specific Flammulina strains. Thus, PCR‐RFLP analysis of the ITS regions appears to be a useful tool for the identification of Flammulina strains.

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