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Article

Effect of Ethylene on Cell Wall and Lipid Metabolism during Alleviation of Postharvest Chilling Injury in Peach

by
Yongchao Zhu
1,
Ke Wang
2,
Chunxia Wu
1,
Yun Zhao
3,
Xueren Yin
3,
Bo Zhang
3,
Don Grierson
1,4,
Kunsong Chen
1,3 and
Changjie Xu
1,3,*
1
College of Agriculture & Biotechnology, Zhejiang University, Zijingang Campus, Hangzhou 310058, China
2
Anhui Engineering Laboratory for Agro-products Processing, Anhui Agricultural University, Hefei 230036, China
3
Zhejiang Provincial Key Laboratory of Horticultural Plant Integrative Biology, Zhejiang University, Zijingang Campus, Hangzhou 310058, China
4
Plant Sciences Division, School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough LE12 5RD, UK
*
Author to whom correspondence should be addressed.
Cells 2019, 8(12), 1612; https://doi.org/10.3390/cells8121612
Submission received: 22 October 2019 / Revised: 29 November 2019 / Accepted: 10 December 2019 / Published: 11 December 2019
(This article belongs to the Section Plant, Algae and Fungi Cell Biology)
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Abstract

Peach is prone to postharvest chilling injury (CI). Here it was found that exogenous ethylene alleviated CI, accompanied by an increased endogenous ethylene production. Ethylene treatment resulted in a moderately more rapid flesh softening as a result of stronger expression of genes encoding expansin and cell wall hydrolases, especially xylosidase and galactosidase. Ethylene treatment alleviated internal browning, accompanied by changes in expression of polyphenol oxidase, peroxidase and lipoxygenases. An enhanced content of phospholipids and glycerolipids and a reduced content of ceramide were observed in ethylene-treated fruit, and these were associated with up-regulation of lipid phosphate phosphatase, fatty acid alpha-hydroxylase, and golgi-localized nucleotide sugar transporter, as well as down-regulation of aminoalcohol phosphotransferases. Expression of two ethylene response factors (ERFs), ESE3 and ABR1, was highly correlated with that of genes involved in cell wall metabolism and lipid metabolism, respectively. Furthermore, the expression of these two ERFs was strongly regulated by ethylene treatment and the temperature changes during transfer of fruit into or out of cold storage. It is proposed that ERFs fulfill roles as crucial integrators between cell wall modifications and lipid metabolism involved in CI processes ameliorated by exogenous ethylene.
Keywords: ABR1; cell wall; ERFs; ESE3; ethylene; lipid; peach; postharvest chilling injury ABR1; cell wall; ERFs; ESE3; ethylene; lipid; peach; postharvest chilling injury

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MDPI and ACS Style

Zhu, Y.; Wang, K.; Wu, C.; Zhao, Y.; Yin, X.; Zhang, B.; Grierson, D.; Chen, K.; Xu, C. Effect of Ethylene on Cell Wall and Lipid Metabolism during Alleviation of Postharvest Chilling Injury in Peach. Cells 2019, 8, 1612. https://doi.org/10.3390/cells8121612

AMA Style

Zhu Y, Wang K, Wu C, Zhao Y, Yin X, Zhang B, Grierson D, Chen K, Xu C. Effect of Ethylene on Cell Wall and Lipid Metabolism during Alleviation of Postharvest Chilling Injury in Peach. Cells. 2019; 8(12):1612. https://doi.org/10.3390/cells8121612

Chicago/Turabian Style

Zhu, Yongchao, Ke Wang, Chunxia Wu, Yun Zhao, Xueren Yin, Bo Zhang, Don Grierson, Kunsong Chen, and Changjie Xu. 2019. "Effect of Ethylene on Cell Wall and Lipid Metabolism during Alleviation of Postharvest Chilling Injury in Peach" Cells 8, no. 12: 1612. https://doi.org/10.3390/cells8121612

APA Style

Zhu, Y., Wang, K., Wu, C., Zhao, Y., Yin, X., Zhang, B., Grierson, D., Chen, K., & Xu, C. (2019). Effect of Ethylene on Cell Wall and Lipid Metabolism during Alleviation of Postharvest Chilling Injury in Peach. Cells, 8(12), 1612. https://doi.org/10.3390/cells8121612

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