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Chen C, Yu W, Xu X, Wang Y, Wang B, Xu S, Lan Q, Wang Y. Research Advancements in Salt Tolerance of Cucurbitaceae: From Salt Response to Molecular Mechanisms. Int J Mol Sci 2024; 25:9051. [PMID: 39201741 PMCID: PMC11354715 DOI: 10.3390/ijms25169051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2024] [Revised: 08/02/2024] [Accepted: 08/19/2024] [Indexed: 09/03/2024] Open
Abstract
Soil salinization severely limits the quality and productivity of economic crops, threatening global food security. Recent advancements have improved our understanding of how plants perceive, signal, and respond to salt stress. The discovery of the Salt Overly Sensitive (SOS) pathway has been crucial in revealing the molecular mechanisms behind plant salinity tolerance. Additionally, extensive research into various plant hormones, transcription factors, and signaling molecules has greatly enhanced our knowledge of plants' salinity tolerance mechanisms. Cucurbitaceae plants, cherished for their economic value as fruits and vegetables, display sensitivity to salt stress. Despite garnering some attention, research on the salinity tolerance of these plants remains somewhat scattered and disorganized. Consequently, this article offers a review centered on three aspects: the salt response of Cucurbitaceae under stress; physiological and biochemical responses to salt stress; and the current research status of their molecular mechanisms in economically significant crops, like cucumbers, watermelons, melon, and loofahs. Additionally, some measures to improve the salt tolerance of Cucurbitaceae crops are summarized. It aims to provide insights for the in-depth exploration of Cucurbitaceae's salt response mechanisms, uncovering the roles of salt-resistant genes and fostering the cultivation of novel varieties through molecular biology in the future.
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Affiliation(s)
- Cuiyun Chen
- Institute of Germplasm Resources and Biotechnology, Tianjin Academy of Agricultural Sciences, Tianjin 300192, China; (C.C.); (W.Y.); (X.X.); (Y.W.); (B.W.); (S.X.)
- College of Life Sciences, Nankai University, Tianjin 300071, China
| | - Wancong Yu
- Institute of Germplasm Resources and Biotechnology, Tianjin Academy of Agricultural Sciences, Tianjin 300192, China; (C.C.); (W.Y.); (X.X.); (Y.W.); (B.W.); (S.X.)
- State Key Laboratory of Vegetable Biobreeding, Tianjin Academy of Agricultural Sciences, Tianjin 300192, China
| | - Xinrui Xu
- Institute of Germplasm Resources and Biotechnology, Tianjin Academy of Agricultural Sciences, Tianjin 300192, China; (C.C.); (W.Y.); (X.X.); (Y.W.); (B.W.); (S.X.)
- College of Life Sciences, Nankai University, Tianjin 300071, China
| | - Yiheng Wang
- Institute of Germplasm Resources and Biotechnology, Tianjin Academy of Agricultural Sciences, Tianjin 300192, China; (C.C.); (W.Y.); (X.X.); (Y.W.); (B.W.); (S.X.)
- State Key Laboratory of Vegetable Biobreeding, Tianjin Academy of Agricultural Sciences, Tianjin 300192, China
| | - Bo Wang
- Institute of Germplasm Resources and Biotechnology, Tianjin Academy of Agricultural Sciences, Tianjin 300192, China; (C.C.); (W.Y.); (X.X.); (Y.W.); (B.W.); (S.X.)
- State Key Laboratory of Vegetable Biobreeding, Tianjin Academy of Agricultural Sciences, Tianjin 300192, China
| | - Shiyong Xu
- Institute of Germplasm Resources and Biotechnology, Tianjin Academy of Agricultural Sciences, Tianjin 300192, China; (C.C.); (W.Y.); (X.X.); (Y.W.); (B.W.); (S.X.)
- State Key Laboratory of Vegetable Biobreeding, Tianjin Academy of Agricultural Sciences, Tianjin 300192, China
| | - Qingkuo Lan
- Institute of Germplasm Resources and Biotechnology, Tianjin Academy of Agricultural Sciences, Tianjin 300192, China; (C.C.); (W.Y.); (X.X.); (Y.W.); (B.W.); (S.X.)
- State Key Laboratory of Vegetable Biobreeding, Tianjin Academy of Agricultural Sciences, Tianjin 300192, China
| | - Yong Wang
- Institute of Germplasm Resources and Biotechnology, Tianjin Academy of Agricultural Sciences, Tianjin 300192, China; (C.C.); (W.Y.); (X.X.); (Y.W.); (B.W.); (S.X.)
- State Key Laboratory of Vegetable Biobreeding, Tianjin Academy of Agricultural Sciences, Tianjin 300192, China
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Lin H, Jiang X, Qian C, Zhang Y, Meng X, Liu N, Li L, Wang J, Ju Y. Genome-Wide Identification, Characterization, and Expression Analysis of the HD-Zip Gene Family in Lagerstroemia for Regulating Plant Height. Genes (Basel) 2024; 15:428. [PMID: 38674363 PMCID: PMC11049174 DOI: 10.3390/genes15040428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 03/22/2024] [Accepted: 03/25/2024] [Indexed: 04/28/2024] Open
Abstract
The Homeodomain leucine zipper (HD-Zip) family of transcription factors is crucial in helping plants adapt to environmental changes and promoting their growth and development. Despite research on the HD-Zip family in various plants, studies in Lagerstroemia (crape myrtle) have not been reported. This study aimed to address this gap by comprehensively analyzing the HD-Zip gene family in crape myrtle. This study identified 52 HD-Zip genes in the genome of Lagerstroemia indica, designated as LinHDZ1-LinHDZ52. These genes were distributed across 22 chromosomes and grouped into 4 clusters (HD-Zip I-IV) based on their phylogenetic relationships. Most gene structures and motifs within each cluster were conserved. Analysis of protein properties, gene structure, conserved motifs, and cis-acting regulatory elements revealed diverse roles of LinHDZs in various biological contexts. Examining the expression patterns of these 52 genes in 6 tissues (shoot apical meristem, tender shoot, and mature shoot) of non-dwarf and dwarf crape myrtles revealed that 2 LinHDZs (LinHDZ24 and LinHDZ14) and 2 LinHDZs (LinHDZ9 and LinHDZ35) were respectively upregulated in tender shoot of non-dwarf crape myrtles and tender and mature shoots of dwarf crape myrtles, which suggested the important roles of these genes in regulate the shoot development of Lagerstroemia. In addition, the expression levels of 2 LinHDZs (LinHDZ23 and LinHDZ34) were significantly upregulated in the shoot apical meristem of non-dwarf crape myrtle. These genes were identified as key candidates for regulating Lagerstroemia plant height. This study enhanced the understanding of the functions of HD-Zip family members in the growth and development processes of woody plants and provided a theoretical basis for further studies on the molecular mechanisms underlying Lagerstroemia plant height.
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Affiliation(s)
- Hang Lin
- College of Landscape Architecture and Forestry, Qingdao Agricultural University, Qingdao 266109, China; (H.L.); (X.J.); (C.Q.); (Y.Z.); (X.M.); (N.L.); (L.L.)
| | - Xinqiang Jiang
- College of Landscape Architecture and Forestry, Qingdao Agricultural University, Qingdao 266109, China; (H.L.); (X.J.); (C.Q.); (Y.Z.); (X.M.); (N.L.); (L.L.)
| | - Cheng Qian
- College of Landscape Architecture and Forestry, Qingdao Agricultural University, Qingdao 266109, China; (H.L.); (X.J.); (C.Q.); (Y.Z.); (X.M.); (N.L.); (L.L.)
| | - Yue Zhang
- College of Landscape Architecture and Forestry, Qingdao Agricultural University, Qingdao 266109, China; (H.L.); (X.J.); (C.Q.); (Y.Z.); (X.M.); (N.L.); (L.L.)
| | - Xin Meng
- College of Landscape Architecture and Forestry, Qingdao Agricultural University, Qingdao 266109, China; (H.L.); (X.J.); (C.Q.); (Y.Z.); (X.M.); (N.L.); (L.L.)
| | - Nairui Liu
- College of Landscape Architecture and Forestry, Qingdao Agricultural University, Qingdao 266109, China; (H.L.); (X.J.); (C.Q.); (Y.Z.); (X.M.); (N.L.); (L.L.)
| | - Lulu Li
- College of Landscape Architecture and Forestry, Qingdao Agricultural University, Qingdao 266109, China; (H.L.); (X.J.); (C.Q.); (Y.Z.); (X.M.); (N.L.); (L.L.)
| | - Jingcai Wang
- East China Academy of Inventory and Planning of NFGA, Hangzhou 310019, China
| | - Yiqian Ju
- College of Landscape Architecture and Forestry, Qingdao Agricultural University, Qingdao 266109, China; (H.L.); (X.J.); (C.Q.); (Y.Z.); (X.M.); (N.L.); (L.L.)
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Wang Y, Wang H, Yu C, Yan X, Chu J, Jiang B, Zhu J. Comprehensive bioinformation analysis of homeodomain-leucine zipper gene family and expression pattern of HD-Zip I under abiotic stress in Salix suchowensis. BMC Genomics 2024; 25:182. [PMID: 38360569 PMCID: PMC10870566 DOI: 10.1186/s12864-024-10067-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 01/30/2024] [Indexed: 02/17/2024] Open
Abstract
BACKGROUND Homeodomain-leucine zipper (HD-Zip) transcription factors are plant-specific and play important roles in plant defense against environmental stresses. Identification and functional studies have been carried out in model plants such as rice, Arabidopsis thaliana, and poplar, but comprehensive analysis on the HD-Zip family of Salix suchowensis have not been reported. RESULTS A total of 55 HD-Zip genes were identified in the willow genome, unevenly distributed on 18 chromosomes except for chromosome 19. And segmental duplication events containing SsHD-Zip were detected on all chromosomes except chromosomes 13 and 19. The SsHD-Zip were classified into 4 subfamilies subfamilies (I-IV) according to the evolutionary analysis, and members of each subfamily shared similar domain structure and gene structure. The combination of GO annotation and promoter analysis showed that SsHD-Zip genes responded to multiple abiotic stresses. Furthermore, the results of qPCR analysis showed that the SsHD-Zip I gene exhibited different degrees of expression under salt stress, PEG treatment and heat treatment. Moreover, there was a synergistic effect between SsHD-Zip I genes under stress conditions based on coregulatory networks analysis. CONCLUSIONS In this study, HD-Zip transcription factors were systematically identified and analyzed at the whole genome level. These results preliminarily clarified the structural characteristics and related functions of willow HD-Zip family members, and it was found that SsHox34, SsHox36 and SsHox51 genes were significantly involved in the response to various stresses. Together, these findings laid the foundation for further research on the resistance functions of willow HD-Zip genes.
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Affiliation(s)
- Yujiao Wang
- Department of Cotton Research Institute, Anhui Academy of Agricultural Sciences, 230001, Hefei, China
| | - Hongjuan Wang
- Department of Cotton Research Institute, Anhui Academy of Agricultural Sciences, 230001, Hefei, China
| | - Chun Yu
- Department of Cotton Research Institute, Anhui Academy of Agricultural Sciences, 230001, Hefei, China
| | - Xiaoming Yan
- Department of Cotton Research Institute, Anhui Academy of Agricultural Sciences, 230001, Hefei, China
| | - Jiasong Chu
- Department of Cotton Research Institute, Anhui Academy of Agricultural Sciences, 230001, Hefei, China
| | - Benli Jiang
- Department of Cotton Research Institute, Anhui Academy of Agricultural Sciences, 230001, Hefei, China.
| | - Jiabao Zhu
- Department of Cotton Research Institute, Anhui Academy of Agricultural Sciences, 230001, Hefei, China.
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Yang Y, Zhang X, Zhong Q, Liu X, Guan H, Chen R, Hao Y, Yang X. Photosynthesis Response and Transcriptional Analysis: Dissecting the Role of SlHB8 in Regulating Drought Resistance in Tomato Plants. Int J Mol Sci 2023; 24:15498. [PMID: 37895176 PMCID: PMC10607914 DOI: 10.3390/ijms242015498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 10/20/2023] [Accepted: 10/20/2023] [Indexed: 10/29/2023] Open
Abstract
Deciphering drought resistance in crops is crucial for enhancing water productivity. Previous studies have highlighted the significant role of the transcription factor SlHB8 in regulating developmental processes in tomato plants but its involvement in drought resistance remains unclear. Here, gene overexpression (SlHB8-OE) and gene knockout (slhb8) tomato plants were utilized to study the role of SlHB8 in regulating drought resistance. Our findings showed that slhb8 plants exhibited a robust resistant phenotype under drought stress conditions. The stomata of slhb8 tomato leaves displayed significant closure, effectively mitigating the adverse effects of drought stress on photosynthetic efficiency. The slhb8 plants exhibited a decrease in oxidative damage and a substantial increase in antioxidant enzyme activity. Moreover, slhb8 effectively alleviated the degree of photoinhibition and chloroplast damage caused by drought stress. SlHB8 regulates the expression of numerous genes related to photosynthesis (such as SlPSAN, SlPSAL, SlPSBP, and SlTIC62) and stress signal transduction (such as SlCIPK25, SlABA4, and SlJA2) in response to drought stress. Additionally, slhb8 plants exhibited enhanced water absorption capacity and upregulated expression of several aquaporin genes including SlPIP1;3, SlPIP2;6, SlTIP3;1, SlNIP1;2, and SlXIP1;1. Collectively, our findings suggest that SlHB8 plays a negative regulatory role in the drought resistance of tomato plants.
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Affiliation(s)
| | | | | | | | | | | | - Yanwei Hao
- College of Horticulture, South China Agricultural University, Guangzhou 510642, China; (Y.Y.); (X.Z.); (Q.Z.); (X.L.); (H.G.); (R.C.)
| | - Xiaolong Yang
- College of Horticulture, South China Agricultural University, Guangzhou 510642, China; (Y.Y.); (X.Z.); (Q.Z.); (X.L.); (H.G.); (R.C.)
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