Rapid detection of Rhizoctonia species, causal agents of rice sheath diseases, by PCR-RFLP analysis using an alkaline DNA extraction method

研究成果: Contribution to journalArticle査読

7 被引用数 (Scopus)

抄録

Restriction fragment length polymorphism (RFLP) analysis for DNA products amplified by the polymerase chain reaction (PCR) was used for the direct detection of Rhizoctonia solani AG 1 IA and AG 2-2 IIIB, R. oryzae, R. oryzae-sativae and R. fumigata from the diseased rice sheaths. A rapid DNA extraction method with a solution of sodium hydroxide was conducted to extract parasite DNA from diseased rice sheaths. 28S ribosomal DNA (rDNA) derived from fungal genomic DNA extracted by the alkaline method was specifically PCR-amplified. The results of PCR-RFLP analysis for DNA samples from artificially inoculated rice sheath tissues with each Rhizoctonia spp. and the corresponding culture on the medium using two restriction enzymes. HhaI and MspI, showed identical polymorphisms. PCR-RFLP analysis using DNA samples from naturally infected rice sheath tissues also revealed the possibility of direct diagnosis of R. solani AG 1 IA, R. oryzae and R. oryzae-sativae.

本文言語英語
ページ(範囲)451-454
ページ数4
ジャーナルMycoscience
38
4
DOI
出版ステータス出版済み - 1 1 1997

All Science Journal Classification (ASJC) codes

  • 生態、進化、行動および分類学

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