초록

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Abstract ▼ AI-Helper

To identify genetic difference of 13 strains in three Pleurotus species, analyses of rDNA, AP-PCR and RFLP were carried out. IGRI and $ITSI{\sim}II$ regions of rDNA amplified by PCR were about 0.9 and 0.7 kb, respectively. These PCR products were digested with six restriction enzymes to a...

To identify genetic difference of 13 strains in three Pleurotus species, analyses of rDNA, AP-PCR and RFLP were carried out. IGRI and $ITSI{\sim}II$ regions of rDNA amplified by PCR were about 0.9 and 0.7 kb, respectively. These PCR products were digested with six restriction enzymes to analyse polymorphism. Especially, treatment of HaeIII enzyme on $ITSI{\sim}II$ regions showed specific bands in three Pleurotus sajor-caju strains. Genetic differences among three species were classified by similarity analyses based on rDNA polymorphism. Various band patterns of $2,500{\sim}150\;bp$ were showed by AP-PCR. Identification of species and varieties in 13 Pleurotus strains was possible according to primers used in AP-PCR. In order to develop genetic markers, RFLPs using IGRI and $ITSI{\sim}II$ probes derived from ASI 2180 and 2070 were carried out on eight Pleurotus varieties. RFLP patterns using IGRI probe were more various than that of $ITSI{\sim}II$ probe.

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