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ACTA HORTICULTURAE SINICA ›› 2006, Vol. 33 ›› Issue (5): 1075-1078.

• 研究报告 • Previous Articles     Next Articles

Cloning and Sequence Analysis of Citrus Calmodulin cDNA

Yue Hailin1, 2;Meng Haijun1;Deng Xiuxin1;Peng Shupang2*   

  1. (1National Key Laboratory of Crop Genetic Improvement, Huazhong Agriculture University, Wuhan, Hubei 430070, China;2College of Forestry and Horticulture, Huazhong Agriculture University, Wuhan, Hubei 430070, China)
  • Received:2005-12-20 Revised:2006-03-02 Online:2006-10-25 Published:2006-10-25

Abstract: Using the first strand cDNA from the immature fruits of Citrus unshiu Marc. as template, we amplified and cloned the cDNA of Citrus calmodulin gene in this study. The PCR primers were designed according to the sequences of barley calmodulin gene obtained from GenBank (Accession No. M27303). The PCR product was cloned into PMD182T vector and then sequenced. Sequence analysis indicated that the cDNA of Citrus calmodulin gene contains 453 nucleotides coding for 148 amino acid residues. The nucleotide sequences and their deduced amino acid sequences of the Citrus calmodulin cDNA show an identity of above 83% and 97% , respectively, to those of barley and soybean. Southern dot blot analysis using the cloned cDNA as probe confirmed the results of sequencing analysis.

Key words: Citrus, Calmodulin, cDNA cloning, Sequence analysis