文献类型： 外文期刊
作者： Zhang, Ruo-Xi 1 ; Liu, Yudi 1 ; Zhang, Xian 1 ; Chen, Xiaomei 1 ; Sun, Juanli 1 ; Zhao, Yun 1 ; Zhang, Jinyun 4 ; Yao, Jia-Long 5 ; Liao, Liao 1 ; Zhou, Hui 4 ; Han, Yuepeng 1 ;
作者机构： 1.Innovat Acad Seed Design Chinese Acad Sci, CAS Key Lab Plant Germplasm Enhancement & Specialt, Wuhan Bot Garden, Wuhan 430074, Peoples R China
2.Hubei Hongshan Lab, Wuhan 430070, Peoples R China
3.Univ Chinese Acad Sci, 19A Yuquanlu, Beijing 100049, Peoples R China
4.Anhui Acad Agr Sci, Inst Hort, Key Lab Hort Crop Germplasm Innovat & Utilizat Coc, Key Lab Hort Crop Genet Improvement & Ecophysiol A, Hefei 230031, Peoples R China
5.New Zealand Inst Plant & Food Res Ltd, Private Bag 92169, Auckland 1142, New Zealand
关键词： fruit development; fruit taste; maturity date; NAM-ATAF1/2-CUC2 transcription factor; Prunus persica
期刊名称：NEW PHYTOLOGIST （ 影响因子：9.4； 五年影响因子：10.5 ）
ISSN： 0028-646X
年卷期： 2023 年
页码：
收录情况： SCI
摘要： Although maturity date (MD) is an essential factor affecting fresh fruit marketing and has a pleiotropic effect on fruit taste qualities, the underlying mechanisms remain largely unclear. In this study, we functionally characterized two adjacent NAM-ATAF1/2-CUC2 (NAC) transcription factors (TFs), PpNAC1 and PpNAC5, both of which were associated with fruit MD in peach.PpNAC1 and PpNAC5 were found capable of activating transcription of genes associated with cell elongation, cell wall degradation and ethylene biosynthesis, suggesting their regulatory roles in fruit enlargement and ripening.Furthermore, PpNAC1 and PpNAC5 had pleiotropic effects on fruit taste due to their ability to activate transcription of genes for sugar accumulation and organic acid degradation.Interestingly, both PpNAC1 and PpNAC5 orthologues were found in fruit-producing angiosperms and adjacently arranged in all 91 tested dicots but absent in fruitless gymnosperms, suggesting their important roles in fruit development. Our results provide insight into the regulatory roles of NAC TFs in MD and fruit taste.
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