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This is accepted manuscript by the journal but prior to copy-editing or proofing. It can be cited using the author(s), article title, journal title, year of online publication, and DOI. It will be replaced by the final typeset version, which may therefore contain changes. The DOI will be remain the same.

ARTICLE   Open Access    

Genome-wide identification of the LRX gene family in Cucurbitaceae and expression analysis under salt and drought stress in Cucumber

  • 1.

    Department of Vegetable Science, College of Horticulture, China Agricultural University, Beijing, 100193, China

  • 2.

    Sanya Institute of China Agricultural University, Sanya 572000, Hainan, P. R. China

  • 3.

    Beijing Huiwen Middle School, No.6 Peixin Street, Dongcheng District, Beijing, 100061, China

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  • Leucine-Rich Repeats Extensins (LRX) are a type of cell wall protein that participate in the formation of the plant cell wall and play a crucial role in plant growth and development. However, the study of LRX genes in Cucurbitaceae has not been reported. Here, we identified 40 LRX genes from seven cucurbit species in the Cucurbitaceae database, including cucumber (Cucumis sativus), wax gourd (Benincasa hispida), watermelon (Citrullus lanatus), pumpkin (Cucurbita maxima), moschata pumpkin (Cucurbita moschata), bottle gourd (Lagenaria siceraria), and melon (Cucumis melon). These LRX genes were divided into two subfamilies: LRX, controlling vegetative growth, and PEX, controlling reproductive growth. The gene structure, domain, and motif were relatively conserved, indicating that genes within each subfamily have similar functions. The differences in the number of LRX genes among the seven cucurbit species indicate the presence of gene loss or duplication events during evolution. Analysis of cis-regulatory elements showed that these LRX genes may be involved in plant growth and development, phytohormone response, and biotic and abiotic stress responses. In addition, the expression pattern of CsLRX genes in different tissues of cucumber and its expression analysis under salt stress and drought stress were detected by real-time quantitative PCR (qRT-PCR). The results showed that CsLRX genes showed organ-specific expression pattern in cucumber and responded to adversity stress. In summary, our results provide a reference for further understanding the role of these genes in cell wall formation and the growth and development of Cucurbitaceae crops.

  • Cite this article

    Fan S, Yang S, Shi K, Yang L, An M, et al. 2024. Genome-wide identification of the LRX gene family in Cucurbitaceae and expression analysis under salt and drought stress in Cucumber. Vegetable Research doi: 10.48130/vegres-0024-0025
    Fan S, Yang S, Shi K, Yang L, An M, et al. 2024. Genome-wide identification of the LRX gene family in Cucurbitaceae and expression analysis under salt and drought stress in Cucumber. Vegetable Research doi: 10.48130/vegres-0024-0025
    shu

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Important Notice

This is accepted manuscript by the journal but prior to copy-editing or proofing. It can be cited using the author(s), article title, journal title, year of online publication, and DOI. It will be replaced by the final typeset version, which may therefore contain changes. The DOI will be remain the same.

ARTICLE   Open Access    

Genome-wide identification of the LRX gene family in Cucurbitaceae and expression analysis under salt and drought stress in Cucumber

  • 1.

    Department of Vegetable Science, College of Horticulture, China Agricultural University, Beijing, 100193, China

  • 2.

    Sanya Institute of China Agricultural University, Sanya 572000, Hainan, P. R. China

  • 3.

    Beijing Huiwen Middle School, No.6 Peixin Street, Dongcheng District, Beijing, 100061, China

  • Received Date: 07 May 2024
  • Accepted Date: 12 June 2024
    • First-online Date: 23 June 2024
Vegetable Research  Article in press  (2024)  |  Cite this article

Abstract: Leucine-Rich Repeats Extensins (LRX) are a type of cell wall protein that participate in the formation of the plant cell wall and play a crucial role in plant growth and development. However, the study of LRX genes in Cucurbitaceae has not been reported. Here, we identified 40 LRX genes from seven cucurbit species in the Cucurbitaceae database, including cucumber (Cucumis sativus), wax gourd (Benincasa hispida), watermelon (Citrullus lanatus), pumpkin (Cucurbita maxima), moschata pumpkin (Cucurbita moschata), bottle gourd (Lagenaria siceraria), and melon (Cucumis melon). These LRX genes were divided into two subfamilies: LRX, controlling vegetative growth, and PEX, controlling reproductive growth. The gene structure, domain, and motif were relatively conserved, indicating that genes within each subfamily have similar functions. The differences in the number of LRX genes among the seven cucurbit species indicate the presence of gene loss or duplication events during evolution. Analysis of cis-regulatory elements showed that these LRX genes may be involved in plant growth and development, phytohormone response, and biotic and abiotic stress responses. In addition, the expression pattern of CsLRX genes in different tissues of cucumber and its expression analysis under salt stress and drought stress were detected by real-time quantitative PCR (qRT-PCR). The results showed that CsLRX genes showed organ-specific expression pattern in cucumber and responded to adversity stress. In summary, our results provide a reference for further understanding the role of these genes in cell wall formation and the growth and development of Cucurbitaceae crops.

    Acknowledgments

    • This study was supported by the National Key Research and Development Program "Strategic Science and Technology Innovation Cooperation" Key Special Project (2023YFE0206900).

    Conflict of interest

    • The authors declare that they have no conflict of interest.

    Rights and permissions
    • Copyright: © 2024 by the author(s). Published by Maximum Academic Press, Fayetteville, GA. This article is an open access article distributed under Creative Commons Attribution License (CC BY 4.0), visit https://creativecommons.org/licenses/by/4.0/.
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    Cite this article
    Fan S, Yang S, Shi K, Yang L, An M, et al. 2024. Genome-wide identification of the LRX gene family in Cucurbitaceae and expression analysis under salt and drought stress in Cucumber. Vegetable Research doi: 10.48130/vegres-0024-0025
    Fan S, Yang S, Shi K, Yang L, An M, et al. 2024. Genome-wide identification of the LRX gene family in Cucurbitaceae and expression analysis under salt and drought stress in Cucumber. Vegetable Research doi: 10.48130/vegres-0024-0025
    shu

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