Cloning of alpha-farnesene synthase cDNA and its expression in relation to alpha-farnesene synthesis in 'white pearmain' apple
文献类型: 外文期刊
作者: Li, Meng 1 ; Sin, Na 2 ; Zhang, Yuan-Hu 2 ;
作者机构: 1.Shandong Acad Agr Sci, Jinan 250100, Peoples R China
2.Shandong Agr Univ, State Key Lab Crop Biol, Tai An, Shandong, Peoples R China
关键词: Malus x domestica;gene expression;superficial scald;DPA;MCP
期刊名称:PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM ON STRUCTURAL AND FUNCTIONAL GENOMICS OF HORTICULTURAL PLANTS
ISSN: 0567-7572
年卷期: 2007 年 763 期
页码:
收录情况: SCI
摘要: alpha-Farnesene is a volatile sesquiterpene in the natural coating of apple fruit. Oxidation products of this sesquiterpene are thought to induce superficial scald in apple. A cDNA encoding a-farnesene synthase converting farnesyl diphosphate to a-farnesene was obtained by using RT-PCR from peel of apple fruit (Accession No. AY563622). Comparison of the sequence of the cDNA with AFS-1 gene registered in the GenBank (AY182241) showed that these sequences shared high similarity in nucleotide sequence and homology in deduced amino acid sequence. Southern blotting suggested that there was only one copy in the genome of apple. Northern blotting showed that the AFS gene played a key role in a-farnesene synthesis during the 10 days after apples were removed from cold storage and warmed to room temperature. Expression of the AFS gene was influenced by treatment with DPA and 1-MCP.
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