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Quan X, Meng C, Xie C, Sun H, Xu B, Santos Bermudez R, He W. Genome-Wide and Transcriptome Analysis of Jacalin-Related Lectin Genes in Barley and the Functional Characterization of HvHorcH in Low-Nitrogen Tolerance in Arabidopsis. Int J Mol Sci 2023; 24:16641. [PMID: 38068963 PMCID: PMC10706597 DOI: 10.3390/ijms242316641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 11/15/2023] [Accepted: 11/21/2023] [Indexed: 12/18/2023] Open
Abstract
The jacalin-related lectins (JRLs) are widely distributed in plants and are involved in plant development and multiple stress responses. However, the characteristics of the HvJRL gene family at the genome-wide level and the roles of JRLs in barley's response to low-nitrogen (LN) stress have been rarely reported. In this study, 32 HvJRL genes were identified and unevenly distributed at both ends of the seven chromosomes in barley. HvJRL proteins generally exhibited low sequence similarity but shared conserved jacalin domains by multiple sequence analysis. These proteins were classified into seven subfamilies based on phylogenetic analysis, with a similar gene structure and conserved motifs in the same subfamily. The HvJRL promoters contained a large number of diverse cis-elements associated with hormonal response and stress regulation. Based on the phylogenetic relationships and functionally known JRL homologs, it was predicted that some HvJRLs have the potential to serve functions in multiple stress responses but not nutrition deficiency stress. Subsequently, nine differentially expressed genes (DEGs) encoding eight HvJRL proteins were identified in two barley genotypes with different LN tolerance by transcriptome analysis. Furthermore, 35S:HvHorcH transgenic Arabidopsis seedlings did enhance LN tolerance, which indicated that HvHorcH may be an important regulator of LN stress response (LNSR). The HvJRL DEGs identified herein could provide new candidate genes for LN tolerance studies.
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Affiliation(s)
- Xiaoyan Quan
- School of Biological Science and Technology, University of Jinan, Jinan 250022, China
| | | | | | | | | | | | - Wenxing He
- School of Biological Science and Technology, University of Jinan, Jinan 250022, China
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Mei L, Gao X, Yi X, Zhao M, Wang J, Li Z, Li J, Ma J, Pu Z, Peng Y, Jiang Q, Chen G, Wang J, Wei Y, Zheng Y, Li W. Polyploidization affects the allelic variation of jasmonate-regulated protein Ta-JA1 belonging to the monocot chimeric jacalin (MCJ) family in wild emmer wheat. Gene 2022; 825:146399. [PMID: 35306115 DOI: 10.1016/j.gene.2022.146399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Revised: 02/16/2022] [Accepted: 03/04/2022] [Indexed: 11/04/2022]
Abstract
The jasmonate-regulated protein Ta-JA1 belongs to the monocot chimeric jacalin (MCJ) family and plays a vital role in stress resistance in wheat. However, the impact of wheat polyploidization on Ta-JA1 remains unclear. In this study, 149 members of the MCJ family were identified among members of Triticeae using a genome-wide approach. The genes were resolved into three clades; MCJ genes in each clade were derived from different donor genes during evolution. Segmental duplication may have been the primary driver, compared with tandem duplication, of expansion in the MCJ family of wheat. Gene loss and acquisition occurred during tetraploidization, and the core expansion of the family occurred after tetraploidization. Sequencing data for 2104 accessions of T. aestivum and 99 accessions of T. dicoccoides showed that Ta-JA1-2A and Ta-JA1 were highly conserved in common wheat, and four alleles (TdJA1-Ax2, TdJA1-Ay2, TdJA1-Ax3, and TdJA1-Ay3) were detected in T. dicoccoides. Using gene-specific markers, one AsJA1-B allele was detected in 11 Ae. speltoides accessions and one TuJA1-Ax1 allele was detected in 70 T. urartu accessions. Six alleles were detected on chromosome 2A: TdJA1-Ax1 (13 accessions), TdJA1-Ay1 (57 accessions), TdJA1-Ax2 (23 accessions), TdJA1-Ay2 (42 accessions), TdJA1-Ax3 (29 accessions), and TdJA1-Ay3 (251 accessions). Only one allele (TdJA1-B) on chromosome 2B was detected in 415 T. dicoccoides accessions. A geographical distribution analysis revealed that Israel hosted higher allelic variation than other regions. Quantitative reverse transcription PCR analysis indicated that divergence in expression has occurred among Ta-JA1 alleles and, notably, TdJA1-Ax1 and TdJA1-Ay1 showed significantly higher expression levels than the other four allelic types in T. dicoccoides. The present results contribute to an improved understanding of the effects of polyploidization on the MCJ gene family and the functions of Ta-JA1, and may be useful to enrich common wheat germplasm resources.
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Affiliation(s)
- Lanxin Mei
- College of Agronomy, Sichuan Agricultural University, Chengdu, China; Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Xiaoran Gao
- College of Agronomy, Sichuan Agricultural University, Chengdu, China; Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Xiaoyu Yi
- College of Agronomy, Sichuan Agricultural University, Chengdu, China; Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Mengmeng Zhao
- College of Agronomy, Sichuan Agricultural University, Chengdu, China; Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Jinhui Wang
- College of Agronomy, Sichuan Agricultural University, Chengdu, China; Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Zhen Li
- College of Agronomy, Sichuan Agricultural University, Chengdu, China; Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Jiamin Li
- College of Agronomy, Sichuan Agricultural University, Chengdu, China; Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China
| | - Jian Ma
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China; State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
| | - Zhien Pu
- College of Agronomy, Sichuan Agricultural University, Chengdu, China; Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China; State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
| | - Yuanying Peng
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China; State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
| | - Qiantao Jiang
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China; State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
| | - Guoyue Chen
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China; State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
| | - Jirui Wang
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China; State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
| | - Yuming Wei
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China; State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
| | - Youliang Zheng
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China; State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China
| | - Wei Li
- College of Agronomy, Sichuan Agricultural University, Chengdu, China; Triticeae Research Institute, Sichuan Agricultural University, Chengdu, China; State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, China.
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Hou M, Zhang Y, Mu G, Cui S, Yang X, Liu L. Molecular cloning and expression characterization of flavonol synthase genes in peanut (Arachis hypogaea). Sci Rep 2020; 10:17717. [PMID: 33077846 PMCID: PMC7572378 DOI: 10.1038/s41598-020-74763-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 09/24/2020] [Indexed: 12/31/2022] Open
Abstract
Flavonol is an important functional bioactive substance in peanut seeds, and plays important roles responding to abiotic stress. The flavonol content is closely related to the activity and regulation of gene expression patterns of flavonol synthase (FLS). In this study, eight FLS genes, AhFLSs were cloned and their expression characterization in different peanut organ and seedling under different abiotic stress were conducted. The results showed that the expressions levels of AhFLSs were differed in all assayed peanut organs and seedlings under abiotic stress treatments. Expression levels of AhFLS2, AhFLS3, AhFLS4, and AhFLS6 were higher than those of other AhFLSs. The flavonol contents of peanut organs and seedlings under different abiotic stress were also determined using high performance liquid chromatography (HPLC). Dried mature peanut seeds were the organ tissue with the highest flavonol content, and flavonol content increased with seed development. Under abiotic stress treatments, the types of flavonols induced differed among stress treatments. Correlation analysis results suggested that eight AhFLS genes may have different functions in peanut. Moreover, changes in the expression of the eight genes appear to has substrate preference. These results can lay the foundation for the study of improving nutritional value of peanut seed and resistance of peanut plant.
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Affiliation(s)
- Mingyu Hou
- College of Life Science, Hebei Agricultural University, Baoding, 071001, Hebei, China.,State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, 071001, Hebei, China
| | - Yongjiang Zhang
- College of Agronomy, Hebei Agricultural University, Baoding, 071001, Hebei, China.,State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, 071001, Hebei, China
| | - Guojun Mu
- College of Agronomy, Hebei Agricultural University, Baoding, 071001, Hebei, China.,State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, 071001, Hebei, China
| | - Shunli Cui
- College of Agronomy, Hebei Agricultural University, Baoding, 071001, Hebei, China.,State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, 071001, Hebei, China
| | - Xinlei Yang
- College of Agronomy, Hebei Agricultural University, Baoding, 071001, Hebei, China.,State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, 071001, Hebei, China
| | - Lifeng Liu
- College of Agronomy, Hebei Agricultural University, Baoding, 071001, Hebei, China. .,State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, 071001, Hebei, China.
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Alqurashi M, Thomas L, Gehring C, Marondedze C. A Microsomal Proteomics View of H₂O₂- and ABA-Dependent Responses. Proteomes 2017; 5:proteomes5030022. [PMID: 28820483 PMCID: PMC5620539 DOI: 10.3390/proteomes5030022] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Revised: 07/28/2017] [Accepted: 08/16/2017] [Indexed: 01/22/2023] Open
Abstract
The plant hormone abscisic acid (ABA) modulates a number of plant developmental processes and responses to stress. In planta, ABA has been shown to induce reactive oxygen species (ROS) production through the action of plasma membrane-associated nicotinamide adenine dinucleotide phosphate (NADPH)-oxidases. Although quantitative proteomics studies have been performed to identify ABA- or hydrogen peroxide (H2O2)-dependent proteins, little is known about the ABA- and H2O2-dependent microsomal proteome changes. Here, we examined the effect of 50 µM of either H2O2 or ABA on the Arabidopsis microsomal proteome using tandem mass spectrometry and identified 86 specifically H2O2-dependent, and 52 specifically ABA-dependent proteins that are differentially expressed. We observed differential accumulation of proteins involved in the tricarboxylic acid (TCA) cycle notably in response to H2O2. Of these, aconitase 3 responded to both H2O2 and ABA. Additionally, over 30 proteins linked to RNA biology responded significantly to both treatments. Gene ontology categories such as ‘response to stress’ and ‘transport’ were enriched, suggesting that H2O2 or ABA directly and/or indirectly cause complex and partly overlapping cellular responses. Data are available via ProteomeXchange with identifier PXD006513.
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Affiliation(s)
- May Alqurashi
- Cambridge Centre for Proteomics, Cambridge Systems Biology Centre, Department of Biochemistry, University of Cambridge Tennis Court Road, Cambridge CB2 1QR, UK.
- Biological and Environmental Sciences & Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia.
| | - Ludivine Thomas
- HM. Clause, rue Louis Saillant, Z.I. La Motte, BP83, 26802 Portes-lès-Valence, France.
| | - Chris Gehring
- Biological and Environmental Sciences & Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia.
- Department of Chemistry, Biology & Biotechnology, University of Perugia, Borgo XX giugno 74, 06121 Perugia, Italy.
| | - Claudius Marondedze
- Cambridge Centre for Proteomics, Cambridge Systems Biology Centre, Department of Biochemistry, University of Cambridge Tennis Court Road, Cambridge CB2 1QR, UK.
- Biological and Environmental Sciences & Engineering Division, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia.
- Laboratoire de Physiologie Cellulaire et Végétale, Université Grenoble Alpes, CEA/BIG, 17, avenue des Martyrs, 38054 Grenoble, France.
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Jiang N, Wiemels RE, Soya A, Whitley R, Held M, Faik A. Composition, Assembly, and Trafficking of a Wheat Xylan Synthase Complex. PLANT PHYSIOLOGY 2016; 170:1999-2023. [PMID: 26917684 PMCID: PMC4825154 DOI: 10.1104/pp.15.01777] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2015] [Accepted: 02/23/2016] [Indexed: 05/18/2023]
Abstract
Xylans play an important role in plant cell wall integrity and have many industrial applications. Characterization of xylan synthase (XS) complexes responsible for the synthesis of these polymers is currently lacking. We recently purified XS activity from etiolated wheat (Triticum aestivum) seedlings. To further characterize this purified activity, we analyzed its protein composition and assembly. Proteomic analysis identified six main proteins: two glycosyltransferases (GTs) TaGT43-4 and TaGT47-13; two putative mutases (TaGT75-3 and TaGT75-4) and two non-GTs; a germin-like protein (TaGLP); and a vernalization related protein (TaVER2). Coexpression of TaGT43-4, TaGT47-13, TaGT75-3, and TaGT75-4 in Pichia pastoris confirmed that these proteins form a complex. Confocal microscopy showed that all these proteins interact in the endoplasmic reticulum (ER) but the complexes accumulate in Golgi, and TaGT43-4 acts as a scaffold protein that holds the other proteins. Furthermore, ER export of the complexes is dependent of the interaction between TaGT43-4 and TaGT47-13. Immunogold electron microscopy data support the conclusion that complex assembly occurs at specific areas of the ER before export to the Golgi. A di-Arg motif and a long sequence motif within the transmembrane domains were found conserved at the NH2-terminal ends of TaGT43-4 and homologous proteins from diverse taxa. These conserved motifs may control the forward trafficking of the complexes and their accumulation in the Golgi. Our findings indicate that xylan synthesis in grasses may involve a new regulatory mechanism linking complex assembly with forward trafficking and provide new insights that advance our understanding of xylan biosynthesis and regulation in plants.
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Affiliation(s)
- Nan Jiang
- Department of Environmental and Plant Biology (N.J., R.E.W., A.S., R.W., A.F.) and Department of Chemistry and Biochemistry (M.H.), Ohio University, Athens, Ohio 45701
| | - Richard E Wiemels
- Department of Environmental and Plant Biology (N.J., R.E.W., A.S., R.W., A.F.) and Department of Chemistry and Biochemistry (M.H.), Ohio University, Athens, Ohio 45701
| | - Aaron Soya
- Department of Environmental and Plant Biology (N.J., R.E.W., A.S., R.W., A.F.) and Department of Chemistry and Biochemistry (M.H.), Ohio University, Athens, Ohio 45701
| | - Rebekah Whitley
- Department of Environmental and Plant Biology (N.J., R.E.W., A.S., R.W., A.F.) and Department of Chemistry and Biochemistry (M.H.), Ohio University, Athens, Ohio 45701
| | - Michael Held
- Department of Environmental and Plant Biology (N.J., R.E.W., A.S., R.W., A.F.) and Department of Chemistry and Biochemistry (M.H.), Ohio University, Athens, Ohio 45701
| | - Ahmed Faik
- Department of Environmental and Plant Biology (N.J., R.E.W., A.S., R.W., A.F.) and Department of Chemistry and Biochemistry (M.H.), Ohio University, Athens, Ohio 45701
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Lannoo N, Van Damme EJM. Lectin domains at the frontiers of plant defense. FRONTIERS IN PLANT SCIENCE 2014; 5:397. [PMID: 25165467 PMCID: PMC4131498 DOI: 10.3389/fpls.2014.00397] [Citation(s) in RCA: 138] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2014] [Accepted: 07/25/2014] [Indexed: 05/20/2023]
Abstract
Plants are under constant attack from pathogens and herbivorous insects. To protect and defend themselves, plants evolved a multi-layered surveillance system, known as the innate immune system. Plants sense their encounters upon perception of conserved microbial structures and damage-associated patterns using cell-surface and intracellular immune receptors. Plant lectins and proteins with one or more lectin domains represent a major part of these receptors. The whole group of plant lectins comprises an elaborate collection of proteins capable of recognizing and interacting with specific carbohydrate structures, either originating from the invading organisms or from damaged plant cell wall structures. Due to the vast diversity in protein structures, carbohydrate recognition domains and glycan binding specificities, plant lectins constitute a very diverse protein superfamily. In the last decade, new types of nucleocytoplasmic plant lectins have been identified and characterized, in particular lectins expressed inside the nucleus and the cytoplasm of plant cells often as part of a specific plant response upon exposure to different stress factors or changing environmental conditions. In this review, we provide an overview on plant lectin motifs used in the constant battle against pathogens and predators during plant defenses.
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Affiliation(s)
| | - Els J. M. Van Damme
- Laboratory of Biochemistry and Glycobiology, Department of Molecular Biotechnology, Ghent UniversityGhent, Belgium
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Yan J, Wang B, Jiang Y, Cheng L, Wu T. GmFNSII-controlled soybean flavone metabolism responds to abiotic stresses and regulates plant salt tolerance. PLANT & CELL PHYSIOLOGY 2014; 55:74-86. [PMID: 24192294 DOI: 10.1093/pcp/pct159] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2023]
Abstract
Flavones, a major group of flavonoids in most plant tissues, play multiple roles in plant-environment interactions. In our study, the expression of the two soybean flavone synthase genes, GmFNSII-1 and GmFNSII-2, was significantly increased by methyl jasmonate (MeJA), glucose, mannitol and NaCl treatment, which were also found to increase flavone aglycone accumulation in Glycine max (L.) Merrill. In the GmFNSII-1 promoter, a specific CGTCA motif in the region (-979 bp to -806 bp) involved in the MeJA response was identified. Promoter deletion analysis of GmFNSII-2 revealed the presence of osmotic-responsive (-1,143 bp to -767 bp) and glucose-repressive sequence elements (-767 bp to -475 bp), which strongly supported the hypothesis that glucose induces soybean flavone production by acting as both an osmotic factor and a sugar signaling molecule simultaneously. Silencing of the GmFNSII gene clearly reduced the production of flavone aglycones (apigenin, luteolin and 7,4'-dihydroxyflavone) in hairy roots. The GmFNSII-RNAi (RNA interference) roots that had a reduced level of flavones accompanied by more malondialdehyde and H2O2 accumulation were more sensitive to salt stress compared with those of the control, and we concluded that flavones, as antioxidants, are associated with salt tolerance.
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Affiliation(s)
- Junhui Yan
- Key Laboratory of Urban Agriculture (South) Ministry of Agriculture, School of Agriculture and Biology, Shanghai Jiao Tong University, No. 800 Dongchuan Rd., Shanghai, PR China 200240
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Delporte A, Lannoo N, Vandenborre G, Ongenaert M, Van Damme EJM. Jasmonate response of the Nicotiana tabacum agglutinin promoter in Arabidopsis thaliana. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2011; 49:843-51. [PMID: 21570857 DOI: 10.1016/j.plaphy.2011.04.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2011] [Accepted: 04/20/2011] [Indexed: 05/26/2023]
Abstract
NICTABA is a carbohydrate-binding protein (also called lectin) that is expressed in several Nicotiana species after treatment with jasmonates and insect herbivory. Analyses with tobacco lines overexpressing the NICTABA gene as well as lines with reduced lectin expression have shown the entomotoxic effect of NICTABA against Lepidopteran larvae, suggesting a role of the lectin in plant defense. Until now, little is known with respect to the upstream regulatory mechanisms that are controlling the expression of inducible plant lectins. Using Arabidopsis thaliana plants stably expressing a promoter-β-glucuronidase (GUS) fusion construct, it was shown that jasmonate treatment influenced the NICTABA promoter activity. A strong GUS staining pattern was detected in very young tissues (the apical and root meristems, the cotyledons and the first true leaves), but the promoter activity decreased when plants were getting older. NICTABA was also expressed at low concentrations in tobacco roots and expression levels increased after cold treatment. The data presented confirm a jasmonate-dependent response of the promoter sequence of the tobacco lectin gene in Arabidopsis. These new jasmonate-responsive tobacco promoter sequences can be used as new tools in the study of jasmonate signalling related to plant development and defense.
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Affiliation(s)
- Annelies Delporte
- Ghent University, Department of Molecular Biotechnology, Lab of Biochemistry and Glycobiology, Coupure Links 653, 9000 Ghent, Belgium
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