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ACTA HORTICULTURAE SINICA ›› 2009, Vol. 36 ›› Issue (3): 333-340.

• 果树 • Previous Articles     Next Articles

Primary Study on Identification of S-RNase Genes in Wild Myrobalan Plum (Prunus cerasifera Ehrh.)

LIU Chong-qi1,CHEN Xiao-liu1,ZHANG Yan-min1,LIN Qun1, WANG Jin-zheng2, ZHANG hong1, ZHANG Chun-yu1,and CHEN Xue-sen1
  

  1. 1State Key Laboratory of Crop Biology, Shandong Agricultural University, Tai'an Shandong271018, China;2Shandong Institute of Pomology, Tai'an 271000, China)
  • Received:2008-11-18 Revised:2009-02-18 Online:2009-03-25 Published:2009-03-25
  • Contact: CHEN Xue-sen

Abstract: On fourty-five strains of wild myrobalan plum, the PCR amplification was carried out with the primer pair PruC2/PruC4R designed according to the conserved sequence of amino acid of Prunus S-RNase. The PCR bands were cloned and sequenced. The sequences were blasted in GenBank which showed them having the maximum identity with Prunus S-Rnases, and four S-RNase alleles were identified and named as S1 (511 bp), S2(787 bp), S3(1,859 bp) and S4(464 bp) alleles respectively, their accession numbers in GenBank are EF638726, EF641276, EF661873 and EF661874 . The S-genotypes of 43 strains were S1S2, S1S3, S2S3, S2S4 and S3S4. However, only one S-RNase allele was identified as S3-RNase on strain 10 and S4-RNase on strain 15, the S-genotypes of strain 10 and 15 remain to be further studied.

Key words: Wild myrobalan plum(Prunus cerasifera Ehrh.), Self-incompatibility, S-RNase, S-genotype

CLC Number: