Genome-Wide Identification of Rubber Tree SCAMP Genes and Functional Characterization of HbSCAMP3

Yang, Baoyi; Huang, Xiao; Zhang, Yuanyuan; Gao, Xinsheng; Ding, Shitao; Qi, Juncang; Wang, Xiangjun

doi:10.3390/plants13192729

Open AccessArticle

Genome-Wide Identification of Rubber Tree SCAMP Genes and Functional Characterization of HbSCAMP3

by

Baoyi Yang

^1,2,

Xiao Huang

²,

Yuanyuan Zhang

²,

Xinsheng Gao

²,

Shitao Ding

²,

Juncang Qi

^1,*,† and

Xiangjun Wang

^2,*,†

¹

The Key Laboratory of Oasis Eco-Agriculture, Xinjiang Production and Construction Group, Agricultural College, Shihezi University, Shihezi 832003, China

²

Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China

^*

Authors to whom correspondence should be addressed.

^†

These authors contributed equally to this work.

Plants 2024, 13(19), 2729; https://doi.org/10.3390/plants13192729

Submission received: 19 August 2024 / Revised: 20 September 2024 / Accepted: 26 September 2024 / Published: 29 September 2024

(This article belongs to the Section Plant Genetics, Genomics and Biotechnology)

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Abstract

Natural rubber produced by the rubber tree is a vital industrial raw material globally. Seven SCAMP gene family members were identified in the rubber tree, and the phylogenetic tree classified HbSCAMPs into three subfamilies. Significant differences were observed among HbSCAMPs in terms of gene length, number of exons, and composition of conserved motifs. The expansion of HbSCAMPs in the rubber tree genome is associated with segmental duplications. The high expression of HbSCAMP1–6 in petioles and HbSCAMP7 in stem tips, along with their distinct responses to drought, salt, and wound stresses, indicates their crucial roles in substance transport and stress adaptation. Transgenic poplar experiments demonstrated that overexpression of HbSCAMP3 significantly promotes plant height growth, with localization in the tobacco plasma membrane, suggesting its involvement in regulating plant growth through membrane transport processes. These findings enhance the understanding of HbSCAMPs in rubber trees and provide new insights into how plants finely tune gene family members to adapt to environmental changes.

Keywords: rubber tree; secretory carrier membrane protein (SCAMP) gene family; stress response; HbSCAMP3; plant height regulation

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MDPI and ACS Style

Yang, B.; Huang, X.; Zhang, Y.; Gao, X.; Ding, S.; Qi, J.; Wang, X. Genome-Wide Identification of Rubber Tree SCAMP Genes and Functional Characterization of HbSCAMP3. Plants 2024, 13, 2729. https://doi.org/10.3390/plants13192729

AMA Style

Yang B, Huang X, Zhang Y, Gao X, Ding S, Qi J, Wang X. Genome-Wide Identification of Rubber Tree SCAMP Genes and Functional Characterization of HbSCAMP3. Plants. 2024; 13(19):2729. https://doi.org/10.3390/plants13192729

Chicago/Turabian Style

Yang, Baoyi, Xiao Huang, Yuanyuan Zhang, Xinsheng Gao, Shitao Ding, Juncang Qi, and Xiangjun Wang. 2024. "Genome-Wide Identification of Rubber Tree SCAMP Genes and Functional Characterization of HbSCAMP3" Plants 13, no. 19: 2729. https://doi.org/10.3390/plants13192729

APA Style

Yang, B., Huang, X., Zhang, Y., Gao, X., Ding, S., Qi, J., & Wang, X. (2024). Genome-Wide Identification of Rubber Tree SCAMP Genes and Functional Characterization of HbSCAMP3. Plants, 13(19), 2729. https://doi.org/10.3390/plants13192729

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Genome-Wide Identification of Rubber Tree SCAMP Genes and Functional Characterization of HbSCAMP3

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