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Genome-wide analysis of ACO and ACS genes in pear (Pyrus ussuriensis)

文献类型： 外文期刊

作者： Yuan, Hui 1 ; Yue, Pengtao 1 ; Bu, Haidong 2 ; Han, Deguo 3 ; Wang, Aide 1 ;

作者机构： 1.Shenyang Agr Univ, Coll Hort, Shenyang 110866, Liaoning, Peoples R China

2.Heilongjiang Acad Agr Sci, Mudanjiang Branch, Mudanjiang 157041, Heilongjiang, Peoples R China

3.Northeast Agr Univ, Coll Hort, Haerbin 150030, Peoples R China

关键词： Ethylene; ACS; ACO; Expression patterns; Pear

期刊名称：IN VITRO CELLULAR & DEVELOPMENTAL BIOLOGY-PLANT （ 影响因子：2.252； 五年影响因子：2.139 ）

ISSN： 1054-5476

年卷期：

页码：

收录情况： SCI

摘要： The "Nanguo" pear is a typically climacteric fruit and ethylene is the main factor controlling the ripening process of climacteric fruit. Ethylene biosynthesis has been studied clearly and ACC synthase (ACS) is the rate-limited enzyme. ACO (ACC oxidase) is another important enzyme in ethylene biosynthesis. By exploring the pear genome, we identified 13 ACS genes and 11 ACO genes, respectively, and their expression patterns in fruit and other organs were investigated. Among these genes, 11 ACS and 8ACO genes were expressed in pear fruits. What's more, 4 ACS and 3ACO genes could be induced by Ethephon and inhibited by 1-MCP treatment. This study is the first time to explore ACS and ACO genes at genome-wide level and will provide new data for research on pear fruit ripening.

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