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Volume 10
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10.3390/biom10020278
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Article

Jasmonate and Ethylene-Regulated Ethylene Response Factor 22 Promotes Lanolin-Induced Anthocyanin Biosynthesis in ‘Zaosu’ Pear (Pyrus bretschneideri Rehd.) Fruit

by
Ting Wu
,
Han-Ting Liu
,
Guang-Ping Zhao
,
Jun-Xing Song
,
Xiao-Li Wang
,
Cheng-Quan Yang
,
Rui Zhai
,
Zhi-Gang Wang
*,
Feng-Wang Ma
and
Ling-Fei Xu
*
College of Horticulture, Northwest A&F University, Taicheng Road NO.3, Yangling 712100, Shaanxi Province, China
*
Authors to whom correspondence should be addressed.
Biomolecules 2020, 10(2), 278; https://doi.org/10.3390/biom10020278
Submission received: 3 January 2020 / Revised: 7 February 2020 / Accepted: 8 February 2020 / Published: 11 February 2020
(This article belongs to the Section Cellular Biochemistry)
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Abstract

Anthocyanin contributes to the coloration of pear fruit and enhances plant defenses. Members of the ethylene response factor (ERF) family play vital roles in hormone and stress signaling and are involved in anthocyanin biosynthesis. Here, PbERF22 was identified from the lanolin-induced red fruit of ‘Zaosu’ pear (Pyrus bretschneideri Rehd.) using a comparative transcriptome analysis. Its expression level was up- and down-regulated by methyl jasmonate and 1-methylcyclopropene plus lanolin treatments, respectively, which indicated that PbERF22 responded to the jasmonate- and ethylene-signaling pathways. In addition, transiently overexpressed PbERF22 induced anthocyanin biosynthesis in ‘Zaosu’ fruit, and a quantitative PCR analysis further confirmed that PbERF22 facilitated the expression of anthocyanin biosynthetic structural and regulatory genes. Moreover, a dual luciferase assay showed that PbERF22 enhanced the activation effects of PbMYB10 and PbMYB10b on the PbUFGT promoter. Therefore, PbERF22 responses to jasmonate and ethylene signals and regulates anthocyanin biosynthesis. This provides a new perspective on the correlation between jasmonate–ethylene crosstalk and anthocyanin biosynthesis.
Keywords: pear; anthocyanin; PbERF22; MYB transcription factors; ethylene; jasmonate pear; anthocyanin; PbERF22; MYB transcription factors; ethylene; jasmonate

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MDPI and ACS Style

Wu, T.; Liu, H.-T.; Zhao, G.-P.; Song, J.-X.; Wang, X.-L.; Yang, C.-Q.; Zhai, R.; Wang, Z.-G.; Ma, F.-W.; Xu, L.-F. Jasmonate and Ethylene-Regulated Ethylene Response Factor 22 Promotes Lanolin-Induced Anthocyanin Biosynthesis in ‘Zaosu’ Pear (Pyrus bretschneideri Rehd.) Fruit. Biomolecules 2020, 10, 278. https://doi.org/10.3390/biom10020278

AMA Style

Wu T, Liu H-T, Zhao G-P, Song J-X, Wang X-L, Yang C-Q, Zhai R, Wang Z-G, Ma F-W, Xu L-F. Jasmonate and Ethylene-Regulated Ethylene Response Factor 22 Promotes Lanolin-Induced Anthocyanin Biosynthesis in ‘Zaosu’ Pear (Pyrus bretschneideri Rehd.) Fruit. Biomolecules. 2020; 10(2):278. https://doi.org/10.3390/biom10020278

Chicago/Turabian Style

Wu, Ting, Han-Ting Liu, Guang-Ping Zhao, Jun-Xing Song, Xiao-Li Wang, Cheng-Quan Yang, Rui Zhai, Zhi-Gang Wang, Feng-Wang Ma, and Ling-Fei Xu. 2020. "Jasmonate and Ethylene-Regulated Ethylene Response Factor 22 Promotes Lanolin-Induced Anthocyanin Biosynthesis in ‘Zaosu’ Pear (Pyrus bretschneideri Rehd.) Fruit" Biomolecules 10, no. 2: 278. https://doi.org/10.3390/biom10020278

APA Style

Wu, T., Liu, H.-T., Zhao, G.-P., Song, J.-X., Wang, X.-L., Yang, C.-Q., Zhai, R., Wang, Z.-G., Ma, F.-W., & Xu, L.-F. (2020). Jasmonate and Ethylene-Regulated Ethylene Response Factor 22 Promotes Lanolin-Induced Anthocyanin Biosynthesis in ‘Zaosu’ Pear (Pyrus bretschneideri Rehd.) Fruit. Biomolecules, 10(2), 278. https://doi.org/10.3390/biom10020278

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