期刊
PLANT SIGNALING & BEHAVIOR
卷 15, 期 12, 页码 -出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15592324.2020.1834749
关键词
Z. jujube; ethylene; ZjACO; ZjERF; ZjETR; ZjERS
资金
- Natural Science Foundation of Shaanxi Provincial Department of Education [20JS152]
- School level scientific research guidance project of Yan'an University [YDY2018-08]
- Yan'an agricultural key project [2017KN-06]
- Shaanxi Natural Science Basic Research Project [2020JM-553]
The fruit of Chinese jujube (Ziziphus jujube) is widely consumed by human beings due to its high proteins, vitamins, and mineral nutrients. The harvest time of Chinese jujube fruit determines its quality, while ethylene plays a pivotal role in fruit ripening. Nevertheless, the relationship between ethylene biosynthesis/signal transduction and fruit ripening of Chinese jujube is still elusive. Here, the Chinese jujube fruit ripening with its fruit peel color change from cyan to dark red at seven different ripening stages (stage I-VII) and expression levels of genes related to ethylene synthesis and signal transduction were determined. Results showed that expression levels of ZjACO1-3, ZjETR2, ZjERF1, and ZjERF4 were increasingly upregulated, whereas the expression levels of ZjERS1, ZjETI, ZjERF2, and ZjERF3 were downregulated from green to red fruit ripening stages. Among them, ZjACO1-3 promoters contain ethylene response element. Taken together, Chinese jujube fruit ripening might be affected by the ethylene signaling which was mainly regulated by ZjACO, a gene involved in ethylene biosynthesis. This research supports theories and techniques for the storage, preservation and molecular breeding of Z. jujube.
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