Abstract
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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This work was supported by the National Natural Science Foundation of China (31801834).
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Editor: Yong Eui Choi
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Supplement Figure 1
The expression of PuACO6 in different tissues and in gDNA (JPG 95 kb)
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Yuan, H., Yue, P., Bu, H. et al. Genome-wide analysis of ACO and ACS genes in pear (Pyrus ussuriensis). In Vitro Cell.Dev.Biol.-Plant 56, 193–199 (2020). https://doi.org/10.1007/s11627-019-10009-3
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DOI: https://doi.org/10.1007/s11627-019-10009-3