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Volume 13
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10.3390/f13040531
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Article

Genome-Wide Identification and Expression Analysis of MYC Transcription Factor Family Genes in Rubber Tree (Hevea brasiliensis Muell. Arg.)

by
Shi-Xin Zhang
,
Shao-Hua Wu
,
Jin-Quan Chao
,
Shu-Guang Yang
,
Jie Bao
and
Wei-Min Tian
*
Key Laboratory of Biology and Genetic Resources of Rubber Tree, Ministry of Agriculture and Rural Affairs Ministry of Agriculture, State Key Laboratory Incubation Base for Cultivation and Physiology of Tropical Crops, Rubber Research Institute, CATAS, Haikou 571100, China
*
Author to whom correspondence should be addressed.
Forests 2022, 13(4), 531; https://doi.org/10.3390/f13040531
Submission received: 15 February 2022 / Revised: 15 March 2022 / Accepted: 24 March 2022 / Published: 30 March 2022
(This article belongs to the Topic Biotechnological Tools to Achieve 21st Century Agriculture and Forestry)
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Abstract

Myelocytomatosis (MYC) transcription factors play a core regulator in the jasmonic acid signaling pathway, which regulates the secondary laticifer differentiation and rubber biosynthesis in rubber tree (Hevea brasiliensis). However, there are currently no reports on the MYC gene family in rubber trees, an important industrial raw material crop worldwide. In the present study, 32 HblMYCs were isolated and identified. The diversity in gene structure and presence of various cis-regulatory elements in promotors suggest that HblMYCs participate in various biological processes. Based on the expression patterns in the cambium region and laticifer in, respectively, response to coronatine (COR) and tapping, and the phylogenetic relationship with the MYCs that have been functionally identified in other plants, the HblMYC24 and HblMYC30 may be related to laticifer differentiation while the HblMYC6, HblMYC11 and HblMYC15, as well as HblMYC16 and HblMYC21, may positively regulate rubber biosynthesis. The results provide a foundation for understanding the molecular mechanism of jasmonate signaling in regulating laticifer differentiation and rubber biosynthesis in rubber tree.
Keywords: Hevea brasiliensis; MYC transcriptional factor; jasmonate; laticifer differentiation; rubber biosynthesis Hevea brasiliensis; MYC transcriptional factor; jasmonate; laticifer differentiation; rubber biosynthesis

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MDPI and ACS Style

Zhang, S.-X.; Wu, S.-H.; Chao, J.-Q.; Yang, S.-G.; Bao, J.; Tian, W.-M. Genome-Wide Identification and Expression Analysis of MYC Transcription Factor Family Genes in Rubber Tree (Hevea brasiliensis Muell. Arg.). Forests 2022, 13, 531. https://doi.org/10.3390/f13040531

AMA Style

Zhang S-X, Wu S-H, Chao J-Q, Yang S-G, Bao J, Tian W-M. Genome-Wide Identification and Expression Analysis of MYC Transcription Factor Family Genes in Rubber Tree (Hevea brasiliensis Muell. Arg.). Forests. 2022; 13(4):531. https://doi.org/10.3390/f13040531

Chicago/Turabian Style

Zhang, Shi-Xin, Shao-Hua Wu, Jin-Quan Chao, Shu-Guang Yang, Jie Bao, and Wei-Min Tian. 2022. "Genome-Wide Identification and Expression Analysis of MYC Transcription Factor Family Genes in Rubber Tree (Hevea brasiliensis Muell. Arg.)" Forests 13, no. 4: 531. https://doi.org/10.3390/f13040531

APA Style

Zhang, S.-X., Wu, S.-H., Chao, J.-Q., Yang, S.-G., Bao, J., & Tian, W.-M. (2022). Genome-Wide Identification and Expression Analysis of MYC Transcription Factor Family Genes in Rubber Tree (Hevea brasiliensis Muell. Arg.). Forests, 13(4), 531. https://doi.org/10.3390/f13040531

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