Expression of ethylene response genes during persimmon fruit astringency removal |
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| Authors: | Xue-ren?Yin Yan-na?Shi Ting?Min Zheng-rong?Luo Yun-cong?Yao Qian?Xu Ian?Ferguson Email author" target="_blank">Kun-song?ChenEmail author |
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| Institution: | (1) Laboratory of Fruit Quality Biology/The State Agriculture Ministry Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Zhejiang University, Zijingang Campus, Hangzhou, 310058, People’s Republic of China;(2) Key Laboratory of Horticultural Plant Biology, Ministry of Education, Huazhong Agricultural University, Wuhan, 430070, People’s Republic of China;(3) Department of Plant Science and Technology, Beijing University of Agriculture, Beijing, 102206, People’s Republic of China;(4) New Zealand Institute for Plant and Food Research Limited, Private Bag 92169, Auckland, New Zealand; |
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| Abstract: | Thirteen ethylene signaling related genes were isolated and studied during ripening of non-astringent ‘Yangfeng’ and astringent
‘Mopan’ persimmon fruit. Some of these genes were characterized as ethylene responsive. Treatments, including ethylene and
CO2, had different effects on persimmon ripening, but overlapping roles in astringency removal, such as increasing the reduction
in levels of soluble tannins. DkERS1, DkETR2, and DkERF8, may participate in persimmon fruit ripening and softening. The expression patterns of DkETR2, DkERF4, and DkERF5 had significant correlations with decreases in soluble tannins in ‘Mopan’ persimmon fruit, suggesting that these genes might
be key components in persimmon fruit astringency removal and be the linkage between different treatments, while DkERF1 and DkERF6 may be specifically involved in CO2 induced astringency removal. The possible roles of ethylene signaling genes in persimmon fruit astringency removal are discussed. |
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