ウメ（<i>Prunus mume</i> Sieb. et Zucc.）の12種類の<i>S-RNase</i>対立遺伝子のクローニングおよび特徴付け

DOI NDLデジタルコレクション Web Site Web Site 被引用文献3件 参考文献48件

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タイトル別名
  • Cloning and Characterization of Twelve S-RNase Alleles in Japanese Apricot (Prunus mume Sieb. et Zucc.)
  • Cloning and characterization of twelve S-RNase allels in Japanese apricot (Prunus mume Sieb. et Zucc.)

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In this study, we cloned and sequenced PCR products from S-RNase alleles of 12 cultivars to determine their S-RNase genotypes or S haplotypes. We identified a novel S11-RNase, which was previously misidentified as S6-RNase. In addition, the first and second intron sizes of S1- to S11-, and Sf-RNases were presented. Since differences among the second intron sizes of S3-, S9-, and S10-RNases, as well as those among S5-, S6-, and S11-RNases, appeared to be very small, we developed primer sets for allele-specific PCR amplification to distinguish these S-RNase alleles. Consequently, 12 S-RNase alleles could be distinguished by PCR amplification using consensus primers for the second intron and/or the allele-specific primer sets. Using these PCR amplification, we determined S-RNase genotypes of 14 cultivars, including ‘Kagajizo’ (S6S10), ‘Baigo’ (S6S10), and ‘Orihime’ (S11Sf), whose S-RNase genotypes have been updated. The DNA sequence information for S-RNases and the allele-specific primer sets developed in this study would be useful for future S-RNase genotyping and thus S haplotyping in Japanese apricot.<br>

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