| Analysis of Genetic Relatedness in Alternaria species Producing Host Specific Toxins by PCR Polymorphism |
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Hee Wan Kang, Byung Ryun Lee, Seung Hun Yu |
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| Abstract |
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Twenty universal rice primers (URPs) were used to detect PCR polymorphisms in 25 isolates of six different Alternaria species producing host specific toxins (HST). Eight URPs could be used to reveal PCR polymorphisms of Alternaria isolates at the intra- and inter-species levels. Specific URP-PCR polymorphic bands that are different from those of the other Alternaria spp. were observed on A. gaisen and A. longipes isolates. Unweighted pair-group method with arithmetic mean (UPGMA) cluster analysis using 94 URP polymorphic bands revealed three clustered groups (A. gaisen group, A. mali complex group, and A. logipes group). |
| Key Words:
Alternaria species, host specific toxins, URP, genomic polymorphism |
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