title: Expression of ethylene response genes during persimmon fruit astringency removal.
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 CO(2), 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 CO(2) induced astringency removal. The possible roles of ethylene signaling genes in persimmon fruit astringency removal are discussed.
authors.affiliation: 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.
authors.forename: Xue-ren
authors.initials: XR
authors.lastname: Yin
authors.forename: Yan-na
authors.initials: YN
authors.lastname: Shi
authors.forename: Ting
authors.initials: T
authors.lastname: Min
authors.forename: Zheng-rong
authors.initials: ZR
authors.lastname: Luo
authors.forename: Yun-Cong
authors.initials: YC
authors.lastname: Yao
authors.forename: Qian
authors.initials: Q
authors.lastname: Xu
authors.forename: Ian
authors.initials: I
authors.lastname: Ferguson
authors.forename: Kun-song
authors.initials: KS
authors.lastname: Chen
mesh_terms: D002245:Carbon Dioxide / Q000378:metabolism*; D002681:China; D029788:Diospyros / Q000235:genetics* / Q000502:physiology; D005030:Ethylenes / Q000378:metabolism*; D005638:Fruit / Q000235:genetics* / Q000254:growth & development*; D018506:Gene Expression Regulation, Plant; D017343:Genes, Plant; D014644:Genetic Variation; D005838:Genotype; D010937:Plant Growth Regulators / Q000378:metabolism*; D015398:Signal Transduction; D013634:Tannins / Q000378:metabolism
chemical_list: D005030:Ethylenes; D010937:Plant Growth Regulators; D013634:Tannins; D002245:Carbon Dioxide; C036216:ethylene
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