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Shoaib N, Pan K, Mughal N, Raza A, Liu L, Zhang J, Wu X, Sun X, Zhang L, Pan Z. Potential of UV-B radiation in drought stress resilience: A multidimensional approach to plant adaptation and future implications. PLANT, CELL & ENVIRONMENT 2024; 47:387-407. [PMID: 38058262 DOI: 10.1111/pce.14774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 10/28/2023] [Accepted: 11/10/2023] [Indexed: 12/08/2023]
Abstract
The escalating impact of climate change and ultraviolet (UV) radiation is subjecting plants to unique combinations of UV-B and drought stress. These combined stressors could have additive, synergistic, or antagonistic effects, but the precise nature of these impacts remains uncertain, hampering our ability to predict plant adaptations approach towards stressors. Our analysis of various studies shows that UV-B or drought conditions detrimentally influence plant growth and health metrics by the enhanced generation of reactive oxygen species causing damage to lipids, proteins, carbohydrates and DNA. Further reducing biomass accumulation, plant height, photosynthetic efficiency, leaf area, and water transpiration, while enhancing stress-related symptoms. In response to UV-B radiation and drought stress, plants exhibit a notable up-regulation of specific acclimation-associated metabolites, including proline, flavonoids, anthocyanins, unsaturated fatty acids, and antioxidants. These metabolites play a pivotal role in conferring protection against environmental stresses. Their biosynthesis and functional roles are potentially modulated by signalling molecules such as hydrogen peroxide, abscisic acid, jasmonic acid, salicylic acid, and ethylene, all of which have associated genetic markers that further elucidate their involvement in stress response pathways. In comparison to single stress, the combination of UV-B and drought induces the plant defence responses and growth retardation which are less-than-additive. This sub-additive response, consistent across different study environments, suggests the possibility of a cross-resistance mechanism. Our outlines imply that the adverse effects of increased drought and UV-B could potentially be mitigated by cross-talk between UV-B and drought regimes utilizing a multidimensional approach. This crucial insight could contribute significantly to refining our understanding of stress tolerance in the face of ongoing global climate change.
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Affiliation(s)
- Noman Shoaib
- CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Kaiwen Pan
- CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
| | - Nishbah Mughal
- Engineering Research Centre for Crop Strip Intercropping System, Key Laboratory of Crop Ecophysiology and Farming System in Southwest China (Ministry of Agriculture), College of Agronomy, Sichuan Agricultural University, Chengdu, China
| | - Ali Raza
- CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Liling Liu
- CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Juan Zhang
- CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Xiaogang Wu
- CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
| | - Xiaoming Sun
- CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
| | - Lin Zhang
- CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
| | - Zhifen Pan
- CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
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Zhang X, Ding Y, Yang M, Wei A, Huo D. The role of NaHS pretreatment in improving salt stress resistance in foxtail millet seedlings: physiological and molecular mechanisms. PLANT SIGNALING & BEHAVIOR 2023; 18:2276611. [PMID: 37917857 PMCID: PMC10623892 DOI: 10.1080/15592324.2023.2276611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Accepted: 10/16/2023] [Indexed: 11/04/2023]
Abstract
Salt stress is a prevailing abiotic stress in nature, with soil salinization becoming a pressing issue worldwide. High soil salinity severely hampers plant growth and leads to reduced crop yields. Hydrogen sulfide (H2S), a gas signal molecule, is known to be synthesized in plants exposed to abiotic stress, contributing to enhanced plant stress resistance. To investigate the impact of sodium hydrosulfide hydrate (NaHS, a H2S donor) on millet's response to salt stress, millet seedlings were subjected to pretreatment with 200 μM NaHS, followed by 100 mM NaCl stress under soil culture conditions. The growth, osmotic adjustment substances, antioxidant characteristics, membrane damage, and expression levels of related genes in millet seedlings were detected and analyzed. The results showed that NaHS pretreatment alleviated the inhibition of salt stress on the growth of foxtail millet seedlings, increased the proline content and antioxidant enzyme activities, as well as the expression levels of SiASR4, SiRPLK35 and SiHAK23 genes under salt stress. These findings demonstrated that NaHS pretreatment can enhance salt tolerance in foxtail millet seedlings by regulating the content of osmotic adjustment substances and antioxidant enzyme activity, reducing electrolyte permeability, and activating the expression of salt-resistant genes.
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Affiliation(s)
- Xiao Zhang
- College of Biological Sciences and Technology, Taiyuan Normal University, Jinzhong City, Shanxi Province, China
| | - Yuqin Ding
- College of Biological Sciences and Technology, Taiyuan Normal University, Jinzhong City, Shanxi Province, China
| | - Miao Yang
- College of Biological Sciences and Technology, Taiyuan Normal University, Jinzhong City, Shanxi Province, China
| | - Aili Wei
- College of Biological Sciences and Technology, Taiyuan Normal University, Jinzhong City, Shanxi Province, China
| | - Dongao Huo
- College of Biological Sciences and Technology, Taiyuan Normal University, Jinzhong City, Shanxi Province, China
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3
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Wu F, Qu D, Zhang X, Sun Y, Wang J, Zhu D, Yang L, Liu X, Tian W, Wang L, Liu Q, Su H. PaLectinL7 enhances salt tolerance of sweet cherry by regulating lignin deposition in connection with PaCAD1. TREE PHYSIOLOGY 2023; 43:1986-2000. [PMID: 37581589 DOI: 10.1093/treephys/tpad099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 07/19/2023] [Accepted: 08/03/2023] [Indexed: 08/16/2023]
Abstract
Lectin receptor-like kinases (LecRLKs), a large family of plant receptor-like kinases, play an important role in plant response to abiotic stresses. However, little information is available about the roles of LecRLKs in the salt stress response of sweet cherry (Prunus avium). Here, an L-type LecRLK gene (PaLectinL7) was characterized from sweet cherry. Subcellular localization analysis revealed that PaLectinL7 is a plasma membrane protein. The expression of PaLectinL7 was up-regulated by salt, drought and exogenously gibberellin treatments. Overexpression of PaLectinL7 in the roots of Gisela 6 enhanced its tolerance to salt stress. Additionally, transcriptome analysis showed that lignin metabolic-related genes were regulated by PaLectinL7 overexpression. Meanwhile, the lignin contents and associated enzymes (CAD and COMT) rose concurrently with PaLectinL7 overexpression under salt stress. We also found that PaCAD1, a key enzyme involved in lignin metabolism, interacted with PaLectinL7 and could be phosphorylated by PaLectinL7 in vitro, suggesting that PaLectinL7 may regulate the enzyme activity of PaCAD1. Therefore, these results indicated that PaLectinL7, as a membrane-bound regulator, promoted lignin deposition by regulating the activities of enzymes related to lignin metabolism, thus enhancing salt tolerance.
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Affiliation(s)
- Fanlin Wu
- School of Agriculture, Ludong University, Hongqi Road, Zhifu District, Yantai City, Yantai 264025, China
| | - Dehui Qu
- School of Agriculture, Ludong University, Hongqi Road, Zhifu District, Yantai City, Yantai 264025, China
| | - Xu Zhang
- Yantai Academy of Agricultural Sciences, Gangcheng West Street, Fushan District, Yantai City, Yantai 264025, China
| | - Yao Sun
- School of Agriculture, Ludong University, Hongqi Road, Zhifu District, Yantai City, Yantai 264025, China
| | - Jingtao Wang
- College of Life Sciences, Ludong University, Hongqi Road, Zhifu District, Yantai City, Yantai 264025, China
| | - Dongzi Zhu
- Shandong Key Laboratory of Fruit Biotechnology Breeding, Shandong Institute of Pomology, Longtan Road, Taishan District, Tai'an City, Taian 271000, China
| | - Lina Yang
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Ningxia Road, Laoshan District, Qingdao 266071, China
| | - Xiao Liu
- School of Agriculture, Ludong University, Hongqi Road, Zhifu District, Yantai City, Yantai 264025, China
| | - Wei Tian
- School of Agriculture, Ludong University, Hongqi Road, Zhifu District, Yantai City, Yantai 264025, China
| | - Lei Wang
- College of Life Sciences, Ludong University, Hongqi Road, Zhifu District, Yantai City, Yantai 264025, China
| | - Qingzhong Liu
- Shandong Key Laboratory of Fruit Biotechnology Breeding, Shandong Institute of Pomology, Longtan Road, Taishan District, Tai'an City, Taian 271000, China
| | - Hongyan Su
- College of Agriculture and Forestry Sciences, Linyi University, Shuangling Road, Lanshan District, Linyi City 276000, China
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Gandhi A, Oelmüller R. Emerging Roles of Receptor-like Protein Kinases in Plant Response to Abiotic Stresses. Int J Mol Sci 2023; 24:14762. [PMID: 37834209 PMCID: PMC10573068 DOI: 10.3390/ijms241914762] [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: 08/31/2023] [Revised: 09/26/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023] Open
Abstract
The productivity of plants is hindered by unfavorable conditions. To perceive stress signals and to transduce these signals to intracellular responses, plants rely on membrane-bound receptor-like kinases (RLKs). These play a pivotal role in signaling events governing growth, reproduction, hormone perception, and defense responses against biotic stresses; however, their involvement in abiotic stress responses is poorly documented. Plant RLKs harbor an N-terminal extracellular domain, a transmembrane domain, and a C-terminal intracellular kinase domain. The ectodomains of these RLKs are quite diverse, aiding their responses to various stimuli. We summarize here the sub-classes of RLKs based on their domain structure and discuss the available information on their specific role in abiotic stress adaptation. Furthermore, the current state of knowledge on RLKs and their significance in abiotic stress responses is highlighted in this review, shedding light on their role in influencing plant-environment interactions and opening up possibilities for novel approaches to engineer stress-tolerant crop varieties.
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Affiliation(s)
| | - Ralf Oelmüller
- Matthias Schleiden Institute of Genetics, Bioinformatics and Molecular Botany, Department of Plant Physiology, Friedrich-Schiller-University, 07743 Jena, Germany;
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Sehgal D, Dhakate P, Ambreen H, Shaik KHB, Rathan ND, Anusha NM, Deshmukh R, Vikram P. Wheat Omics: Advancements and Opportunities. PLANTS (BASEL, SWITZERLAND) 2023; 12:426. [PMID: 36771512 PMCID: PMC9919419 DOI: 10.3390/plants12030426] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 12/07/2022] [Accepted: 12/14/2022] [Indexed: 06/18/2023]
Abstract
Plant omics, which includes genomics, transcriptomics, metabolomics and proteomics, has played a remarkable role in the discovery of new genes and biomolecules that can be deployed for crop improvement. In wheat, great insights have been gleaned from the utilization of diverse omics approaches for both qualitative and quantitative traits. Especially, a combination of omics approaches has led to significant advances in gene discovery and pathway investigations and in deciphering the essential components of stress responses and yields. Recently, a Wheat Omics database has been developed for wheat which could be used by scientists for further accelerating functional genomics studies. In this review, we have discussed various omics technologies and platforms that have been used in wheat to enhance the understanding of the stress biology of the crop and the molecular mechanisms underlying stress tolerance.
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Affiliation(s)
- Deepmala Sehgal
- International Maize and Wheat Improvement Center (CIMMYT), El Batán, Texcoco 56237, Mexico
- Syngenta, Jealott’s Hill International Research Centre, Bracknell, Berkshire RG42 6EY, UK
| | - Priyanka Dhakate
- National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi 110076, India
| | - Heena Ambreen
- School of Life Sciences, University of Sussex, Brighton BN1 9RH, UK
| | - Khasim Hussain Baji Shaik
- Faculty of Agriculture Sciences, Georg-August-Universität, Wilhelmsplatz 1, 37073 Göttingen, Germany
| | - Nagenahalli Dharmegowda Rathan
- Indian Agricultural Research Institute (ICAR-IARI), New Delhi 110012, India
- Corteva Agriscience, Hyderabad 502336, Telangana, India
| | | | - Rupesh Deshmukh
- Department of Biotechnology, Central University of Haryana, Mahendragarh 123031, Haryana, India
| | - Prashant Vikram
- Bioseed Research India Ltd., Hyderabad 5023324, Telangana, India
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6
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Biswas S, Mondal R, Srivastava A, Trivedi M, Singh SK, Mishra Y. In silico characterization, molecular phylogeny, and expression profiling of genes encoding legume lectin-like proteins under various abiotic stresses in Arabidopsis thaliana. BMC Genomics 2022; 23:480. [PMID: 35768782 PMCID: PMC9241310 DOI: 10.1186/s12864-022-08708-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 06/20/2022] [Indexed: 11/18/2022] Open
Abstract
Background Lectin receptor-like kinases (Lec-RLKs), a subfamily of RLKs, have been demonstrated to play an important role in signal transduction from cell wall to the plasma membrane during biotic stresses. Lec-RLKs include legume lectin-like proteins (LLPs), an important group of apoplastic proteins that are expressed in regenerating cell walls and play a role in immune-related responses. However, it is unclear whether LLPs have a function in abiotic stress mitigation and related signaling pathways. Therefore, in this study, we examined the possible role of LLPs in Arabidopsis thaliana (AtLLPs) under various abiotic stresses. Results The study was initiated by analyzing the chromosomal localization, gene structure, protein motif, peptide sequence, phylogeny, evolutionary divergence, and sub-cellular localization of AtLLPs. Furthermore, the expression profiling of these AtLLPs was performed using publicly accessible microarray datasets under various abiotic stresses, which indicated that all AtLLPs were differently expressed in both root and shoot tissues in response to abiotic stresses. The cis-regulatory elements (CREs) analysis in 500 bp promoter sequences of AtLLPs suggested the presence of multiple important CREs implicated for regulating abiotic stress responses, which was further supported by expressional correlation analysis between AtLLPs and their CREs cognate transcription factors (TFs). qRT-PCR analysis of these AtLLPs after 2, 6, and 12 h of cold, high light, oxidative (MV), UV-B, wound, and ozone stress revealed that all AtLLPs displayed differential expression patterns in most of the tested stresses, supporting their roles in abiotic stress response and signaling again. Out of these AtLLPs, AT1g53070 and AT5g03350 appeared to be important players. Furthermore, the mutant line of AT5g03350 exhibited higher levels of ROS than wild type plants till 12 h of exposure to high light, MV, UV-B, and wound, whereas its overexpression line exhibited comparatively lower levels of ROS, indicating a positive role of this gene in abiotic stress response in A. thaliana. Conclusions This study provides basic insights in the involvement of two important representative AtLLPs, AT1g53070 and AT5g03350, in abiotic stress response. However, further research is needed to determine the specific molecular mechanism of these AtLLPs in abiotic stress mitigation and related signaling pathways in A. thaliana. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-022-08708-0.
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Affiliation(s)
- Subhankar Biswas
- Department of Botany, Centre of Advanced Study in Botany, Institute of Science, Banaras Hindu University, 221005, Varanasi, Uttar Pradesh, India
| | - Raju Mondal
- Department of Botany, Centre of Advanced Study in Botany, Institute of Science, Banaras Hindu University, 221005, Varanasi, Uttar Pradesh, India.,Mulberry Tissue Culture Lab, Central Sericultural Germplasm Resources Center, Central Silk Board-Ministry of Textiles (GoI), 635109, Hosur, Tamil Nadu, India
| | - Akanksha Srivastava
- Department of Botany, Centre of Advanced Study in Botany, Institute of Science, Banaras Hindu University, 221005, Varanasi, Uttar Pradesh, India
| | - Maitri Trivedi
- Plant Cell and Molecular Biology Lab, Department of Botany, Faculty of Science, The Maharaja Sayajirao University of Baroda, 390 002, Vadodara, Gujarat, India
| | - Sunil Kumar Singh
- Plant Cell and Molecular Biology Lab, Department of Botany, Faculty of Science, The Maharaja Sayajirao University of Baroda, 390 002, Vadodara, Gujarat, India
| | - Yogesh Mishra
- Department of Botany, Centre of Advanced Study in Botany, Institute of Science, Banaras Hindu University, 221005, Varanasi, Uttar Pradesh, India.
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7
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Mansour MMF, Hassan FAS. How salt stress-responsive proteins regulate plant adaptation to saline conditions. PLANT MOLECULAR BIOLOGY 2022; 108:175-224. [PMID: 34964081 DOI: 10.1007/s11103-021-01232-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 12/06/2021] [Indexed: 05/20/2023]
Abstract
An overview is presented of recent advances in our knowledge of candidate proteins that regulate various physiological and biochemical processes underpinning plant adaptation to saline conditions. Salt stress is one of the environmental constraints that restrict plant distribution, growth and yield in many parts of the world. Increased world population surely elevates food demands all over the globe, which anticipates to add a great challenge to humanity. These concerns have necessitated the scientists to understand and unmask the puzzle of plant salt tolerance mechanisms in order to utilize various strategies to develop salt tolerant crop plants. Salt tolerance is a complex trait involving alterations in physiological, biochemical, and molecular processes. These alterations are a result of genomic and proteomic complement readjustments that lead to tolerance mechanisms. Proteomics is a crucial molecular tool that indicates proteins expressed by the genome, and also identifies the functions of proteins accumulated in response to salt stress. Recently, proteomic studies have shed more light on a range of promising candidate proteins that regulate various processes rendering salt tolerance to plants. These proteins have been shown to be involved in photosynthesis and energy metabolism, ion homeostasis, gene transcription and protein biosynthesis, compatible solute production, hormone modulation, cell wall structure modification, cellular detoxification, membrane stabilization, and signal transduction. These candidate salt responsive proteins can be therefore used in biotechnological approaches to improve tolerance of crop plants to salt conditions. In this review, we provided comprehensive updated information on the proteomic data of plants/genotypes contrasting in salt tolerance in response to salt stress. The roles of salt responsive proteins that are potential determinants for plant salt adaptation are discussed. The relationship between changes in proteome composition and abundance, and alterations observed in physiological and biochemical features associated with salt tolerance are also addressed.
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Affiliation(s)
| | - Fahmy A S Hassan
- Department of Horticulture, Faculty of Agriculture, Tanta University, Tanta, Egypt
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8
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De Coninck T, Van Damme EJM. Review: The multiple roles of plant lectins. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2021; 313:111096. [PMID: 34763880 DOI: 10.1016/j.plantsci.2021.111096] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 10/14/2021] [Accepted: 10/18/2021] [Indexed: 06/13/2023]
Abstract
For decades, the biological roles of plant lectins remained obscure and subject to speculation. With the advent of technological and scientific progress, researchers have compiled a vast amount of information regarding the structure, biological activities and functionality of hundreds of plant lectins. Data mining of genomes and transcriptome sequencing and high-throughput analyses have resulted in new insights. This review aims to provide an overview of what is presently known about plant lectins, highlighting their versatility and the importance of plant lectins for a multitude of biological processes, such as plant development, immunity, stress signaling and regulation of gene expression. Though lectins primarily act as readers of the glycocode, the multiple roles of plant lectins suggest that their functionality goes beyond carbohydrate-recognition.
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Affiliation(s)
- Tibo De Coninck
- Laboratory of Glycobiology & Biochemistry, Dept. of Biotechnology, Ghent University, Coupure Links 653, 9000 Ghent, Belgium.
| | - Els J M Van Damme
- Laboratory of Glycobiology & Biochemistry, Dept. of Biotechnology, Ghent University, Coupure Links 653, 9000 Ghent, Belgium.
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9
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Xiao W, Hu S, Zou X, Cai R, Liao R, Lin X, Yao R, Guo X. Lectin receptor-like kinase LecRK-VIII.2 is a missing link in MAPK signaling-mediated yield control. PLANT PHYSIOLOGY 2021; 187:303-320. [PMID: 34618128 PMCID: PMC8418426 DOI: 10.1093/plphys/kiab241] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 05/01/2021] [Indexed: 05/13/2023]
Abstract
The energy allocation for vegetative and reproductive growth is regulated by developmental signals and environmental cues, which subsequently affects seed output. However, the molecular mechanism underlying how plants coordinate yield-related traits to control yield in changing source-sink relationships remains largely unknown. Here, we discovered the lectin receptor-like kinase LecRK-VIII.2 as a specific receptor-like kinase that coordinates silique number, seed size, and seed number to determine seed yield in Arabidopsis (Arabidopsis thaliana). The lecrk-VIII.2 mutants develop smaller seeds, but more siliques and seeds, leading to increased yield. In contrast, the plants overexpressing LecRK-VIII.2 form bigger seeds, but less siliques and seeds, which results in similar yield to that of wild-type plants. Interestingly, LecRK-VIII.2 promotes the growth of the rosette, root, and stem by coordinating the source-sink relationship. Additionally, LecRK-VIII.2 positively regulates cell expansion and proliferation in the seed coat, and maternally controls seed size. The genetic and biochemical analyses demonstrated that LecRK-VIII.2 acts upstream of the mitogen-activated protein kinase (MAPK) gene MPK6 to regulate silique number, seed size, and seed number. Collectively, these findings uncover LecRK-VIII.2 as an upstream component of the MAPK signaling pathway to control yield-related traits and suggest its potential for crop improvement aimed at developing plants with stable yield, a robust root system, and improved lodging resistance.
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Affiliation(s)
- Wenjun Xiao
- College of Biology, Hunan University, Changsha 410082, China
| | - Shuai Hu
- School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Xiaoxiao Zou
- College of Biology, Hunan University, Changsha 410082, China
| | - Ruqiong Cai
- College of Biology, Hunan University, Changsha 410082, China
| | - Rui Liao
- College of Biology, Hunan University, Changsha 410082, China
| | - Xiaoxia Lin
- College of Biology, Hunan University, Changsha 410082, China
| | - Ruifeng Yao
- College of Biology, Hunan University, Changsha 410082, China
| | - Xinhong Guo
- College of Biology, Hunan University, Changsha 410082, China
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10
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Han H, Mu X, Wang P, Wang Z, Fu H, Gao YG, Du J. Identification of LecRLK gene family in Cerasus humilis through genomic-transcriptomic data mining and expression analyses. PLoS One 2021; 16:e0254535. [PMID: 34252163 PMCID: PMC8274838 DOI: 10.1371/journal.pone.0254535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 06/29/2021] [Indexed: 11/18/2022] Open
Abstract
Lectin receptor-like protein kinases (LecRLKs) have been shown to be involved in plants’ responses to various biotic and abiotic stresse factors. Cerasus humilis is an important fruit species widely planted for soil and water conservation in northern China due to its strong tolerance to drought and salinity stresses. In this study, a total of 170 LecRLK family genes (125 G-types, 43 L-types and 2 C-types) were identified in the newly released whole-genome sequences of C. humilis. Furthermore, nine representative LecRLK genes in young plants of C. humilis under varying drought and salinity stresses were selected for qRT-PCR analysis. Our systematic comparative analyses revealed the active participation of these nine LecRLK genes in the salt and drought stress responses of C. humilis. The results from our study have provided a solid foundation for future functional verification of these LecRLK family genes and will likely help facilitate the more rapid and effective development of new stress resistant Cerasus humilis cultivars.
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Affiliation(s)
- Hongyan Han
- College of Horticulture, Shanxi Agricultural University, Taigu, Shanxi, P. R. China
- Department of Biological Science and Technology, Jinzhong University, Jinzhong, Yuci, Shanxi, P. R. China
| | - Xiaopeng Mu
- College of Horticulture, Shanxi Agricultural University, Taigu, Shanxi, P. R. China
| | - Pengfei Wang
- College of Horticulture, Shanxi Agricultural University, Taigu, Shanxi, P. R. China
| | - Zewen Wang
- College of Horticulture, Shanxi Agricultural University, Taigu, Shanxi, P. R. China
| | - Hongbo Fu
- College of Horticulture, Shanxi Agricultural University, Taigu, Shanxi, P. R. China
| | - Yu Gary Gao
- OSU South Centers, The Ohio State University, Piketon, Ohio, United States of America
- Department of Extension, The Ohio State University, Columbus, Ohio, United States of America
| | - Junjie Du
- College of Horticulture, Shanxi Agricultural University, Taigu, Shanxi, P. R. China
- Shanxi Key Laboratory of Germplasm Improvement and Utilization in Pomology, Taigu, Shanxi, P. R. China
- * E-mail:
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11
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Amirbakhtiar N, Ismaili A, Ghaffari MR, Mirdar Mansuri R, Sanjari S, Shobbar ZS. Transcriptome analysis of bread wheat leaves in response to salt stress. PLoS One 2021; 16:e0254189. [PMID: 34242309 PMCID: PMC8270127 DOI: 10.1371/journal.pone.0254189] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 06/21/2021] [Indexed: 11/18/2022] Open
Abstract
Salinity is one of the main abiotic stresses limiting crop productivity. In the current study, the transcriptome of wheat leaves in an Iranian salt-tolerant cultivar (Arg) was investigated in response to salinity stress to identify salinity stress-responsive genes and mechanisms. More than 114 million reads were generated from leaf tissues by the Illumina HiSeq 2500 platform. An amount of 81.9% to 85.7% of reads could be mapped to the wheat reference genome for different samples. The data analysis led to the identification of 98819 genes, including 26700 novel transcripts. A total of 4290 differentially expressed genes (DEGs) were recognized, comprising 2346 up-regulated genes and 1944 down-regulated genes. Clustering of the DEGs utilizing Kyoto Encyclopedia of Genes and Genomes (KEGG) indicated that transcripts associated with phenylpropanoid biosynthesis, transporters, transcription factors, hormone signal transduction, glycosyltransferases, exosome, and MAPK signaling might be involved in salt tolerance. The expression patterns of nine DEGs were investigated by quantitative real-time PCR in Arg and Moghan3 as the salt-tolerant and susceptible cultivars, respectively. The obtained results were consistent with changes in transcript abundance found by RNA-sequencing in the tolerant cultivar. The results presented here could be utilized for salt tolerance enhancement in wheat through genetic engineering or molecular breeding.
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Affiliation(s)
- Nazanin Amirbakhtiar
- Plant Production and Genetic Engineering Department, Faculty of Agriculture, Lorestan University, Khorramabad, Iran
- National Plant Gene Bank of Iran, Seed and Plant Improvement Institute (SPII), Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
| | - Ahmad Ismaili
- Plant Production and Genetic Engineering Department, Faculty of Agriculture, Lorestan University, Khorramabad, Iran
| | - Mohammad-Reza Ghaffari
- Department of Systems Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
| | - Raheleh Mirdar Mansuri
- Department of Systems Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
| | - Sepideh Sanjari
- Department of Systems Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
| | - Zahra-Sadat Shobbar
- Department of Systems Biology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
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Genome-Wide Characterization of Lectin Receptor Kinases in Saccharum spontaneum L. and Their Responses to Stagonospora tainanensis Infection. PLANTS 2021; 10:plants10020322. [PMID: 33567504 PMCID: PMC7915762 DOI: 10.3390/plants10020322] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 01/22/2021] [Accepted: 01/27/2021] [Indexed: 12/22/2022]
Abstract
Sugarcane is an important sugar and bioenergy ethanol crop, and the hyperploidy has led to stagnant progress in sugarcane genome decipherment, which also hindered the genome-wide analyses of versatile lectin receptor kinases (LecRKs). The published genome of Saccharum spontaneum, one of the two sugarcane ancestor species, enables us to study the characterization of LecRKs and their responses to sugarcane leaf blight (SLB) triggered by Stagonospora tainanensis. A total of 429 allelic and non-allelic LecRKs, which were classified into evolved independently three types according to signal domains and phylogeny, were identified based on the genome. Regarding those closely related LecRKs in the phylogenetic tree, their motifs and exon architectures of representative L- and G-types were similar or identical. LecRKs showed an unequal distribution on chromosomes and more G-type tandem repeats may come from the gene expansion. Comparing the differentially expressed LecRKs (DELs) in response to SLB in sugarcane hybrid and ancestor species S. spontaneum, we found that the DEL number in the shared gene sets was highly variable among each sugarcane accession, which indicated that the expression dynamics of LecRKs in response to SLB were quite different between hybrids and particularly between sugarcane hybrid and S. spontaneum. In addition, C-type LecRKs may participate in metabolic processes of plant–pathogen interaction, mainly including pathogenicity and plant resistance, indicating their putative roles in sugarcane responses to SLB infection. The present study provides a basic reference and global insight into the further study and utilization of LecRKs in plants.
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Singh P, Mishra AK, Singh CM. Genome-wide identification and characterization of Lectin receptor-like kinase (LecRLK) genes in mungbean (Vigna radiata L. Wilczek). J Appl Genet 2021; 62:223-234. [PMID: 33469874 DOI: 10.1007/s13353-021-00613-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 12/26/2020] [Accepted: 01/11/2021] [Indexed: 11/28/2022]
Abstract
Lectins are a diverse group of proteins found throughout plant species. Numerous lectins are involved in many important processes such as organogenesis, defense mechanism, signaling, and stress response. Although the mungbean whole genome sequence has been published, distribution, diversification, and gene structure of lectin genes in mungbean are still unknown. A total of 73 putative lectin genes with kinase domain have been identified through BLAST and HMM profiling. Furthermore, these sequences could be classified into three families, such as G-type, L-type, and C-type VrLecRLKs. 59 out of 73 VrLecRLKs were distributed on to 11 chromosomes, whereas rest could not be anchored onto any specific chromosome. Gene structure analysis revealed a varying number of exons in 73 VrLecRLK genes. Gene ontology annotations were grouped into three categories like biological processes, cellular components and molecular functions, which were associated with signaling pathways, defense responses, transferase activity, binding activity, and kinase activity. The comprehensive and systematic studies of LecRLK genes family provides a reference and foundation for further functional analysis of VrLecRLK genes in mungbean.
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Affiliation(s)
- Poornima Singh
- Department of Biotechnology, School of Life Sciences, Mahatma Gandhi Central University, Motihari, Bihar, 845401, India
| | | | - Chandra Mohan Singh
- Department of Genetics and Plant Breeding, College of Agriculture, Banda University of Agriculture and Technology, Banda, Uttar Pradesh, 210 001, India.
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14
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Wang ZQ, Yu TF, Sun GZ, Zheng JC, Chen J, Zhou YB, Chen M, Ma YZ, Wei WL, Xu ZS. Genome-Wide Analysis of the Catharanthus roseus RLK1-Like in Soybean and GmCrRLK1L20 Responds to Drought and Salt Stresses. FRONTIERS IN PLANT SCIENCE 2021; 12:614909. [PMID: 33815437 PMCID: PMC8012678 DOI: 10.3389/fpls.2021.614909] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 02/15/2021] [Indexed: 05/22/2023]
Abstract
Abiotic stresses, such as drought and salinity, severely affects the growth, development and productivity of the plants. The Catharanthus roseus RLK1-like (CrRLK1L) protein kinase family is involved in several processes in the plant life cycle. However, there have been few studies addressing the functions of CrRLK1L proteins in soybean. In this study, 38 CrRLK1L genes were identified in the soybean genome (Glycine max Wm82.a2.v1). Phylogenetic analysis demonstrated that soybean CrRLK1L genes were grouped into clusters, cluster I, II, III. The chromosomal mapping demonstrated that 38 CrRLK1L genes were located in 14 of 20 soybean chromosomes. None were discovered on chromosomes 1, 4, 6, 7, 11, and 14. Gene structure analysis indicated that 73.6% soybean CrRLK1L genes were characterized by a lack of introns.15.7% soybean CrRLK1L genes only had one intron and 10.5% soybean CrRLK1L genes had more than one intron. Five genes were obtained from soybean drought- and salt-induced transcriptome databases and were found to be highly up-regulated. GmCrRLK1L20 was notably up-regulated under drought and salinity stresses, and was therefore studied further. Subcellular localization analysis revealed that the GmCrRLK1L20 protein was located in the cell membrane. The overexpression of the GmCrRLK1L20 gene in soybean hairy roots improved both drought tolerance and salt stresses and enhanced the expression of the stress-responsive genes GmMYB84, GmWRKY40, GmDREB-like, GmGST15, GmNAC29, and GmbZIP78. These results indicated that GmCrRLK1L20 could play a vital role in defending against drought and salinity stresses in soybean.
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Affiliation(s)
- Zhi-Qi Wang
- College of Agriculture, Yangtze University, Hubei Collaborative Innovation Center for Grain Industry, Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Jingzhou, China
- Institute of Crop Science, Chinese Academy of Agricultural Sciences(CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae Crops, Ministry of Agriculture, Beijing, China
| | - Tai-Fei Yu
- Institute of Crop Science, Chinese Academy of Agricultural Sciences(CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae Crops, Ministry of Agriculture, Beijing, China
| | - Guo-Zhong Sun
- Institute of Crop Science, Chinese Academy of Agricultural Sciences(CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae Crops, Ministry of Agriculture, Beijing, China
| | - Jia-Cheng Zheng
- College of Agronomy, Anhui Science and Technology University, Fengyang, China
| | - Jun Chen
- Institute of Crop Science, Chinese Academy of Agricultural Sciences(CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae Crops, Ministry of Agriculture, Beijing, China
| | - Yong-Bin Zhou
- Institute of Crop Science, Chinese Academy of Agricultural Sciences(CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae Crops, Ministry of Agriculture, Beijing, China
| | - Ming Chen
- Institute of Crop Science, Chinese Academy of Agricultural Sciences(CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae Crops, Ministry of Agriculture, Beijing, China
| | - You-Zhi Ma
- Institute of Crop Science, Chinese Academy of Agricultural Sciences(CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae Crops, Ministry of Agriculture, Beijing, China
| | - Wen-Liang Wei
- College of Agriculture, Yangtze University, Hubei Collaborative Innovation Center for Grain Industry, Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, Jingzhou, China
- *Correspondence: Zhao-Shi Xu,
| | - Zhao-Shi Xu
- Institute of Crop Science, Chinese Academy of Agricultural Sciences(CAAS)/National Key Facility for Crop Gene Resources and Genetic Improvement, Key Laboratory of Biology and Genetic Improvement of Triticeae Crops, Ministry of Agriculture, Beijing, China
- Wen-Liang Wei,
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15
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Fu Z, Wang P, Sun J, Lu Z, Yang H, Liu J, Xia J, Li T. Composition, seasonal variation, and salinization characteristics of soil salinity in the Chenier Island of the Yellow River Delta. Glob Ecol Conserv 2020. [DOI: 10.1016/j.gecco.2020.e01318] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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16
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Zhang W, Chen Z, Kang Y, Fan Y, Liu Y, Yang X, Shi M, Yao K, Qin S. Genome-wide analysis of lectin receptor-like kinases family from potato ( Solanum tuberosum L.). PeerJ 2020; 8:e9310. [PMID: 32566405 PMCID: PMC7293193 DOI: 10.7717/peerj.9310] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 05/17/2020] [Indexed: 12/29/2022] Open
Abstract
Lectin receptor-like kinases (LecRLKs) are involved in responses to diverse environmental stresses and pathogenic microbes. A comprehensive acknowledgment of the family members in potato (Solanum tuberosum) genome is largely limited until now. In total, 113 potato LecRLKs (StLecRLKs) were first identified, including 85 G-type, 26 L-type and 2 C-type members. Based on phylogenetic analysis, StLecRLKs were sub-grouped into seven clades, including C-type, L-type, G-I, G-II, G-III G-IV and G-V. Chromosomal distribution and gene duplication analysis revealed the expansion of StLecRLKs occurred majorly through tandem duplication although the whole-genome duplication (WGD)/segmental duplication events were found. Cis-elements in the StLecRLKs promoter region responded mainly to signals of defense and stress, phytohormone, biotic or abiotic stress. Moreover, expressional investigations indicated that the family members of the clades L-type, G-I, G-IV and G-V were responsive to both bacterial and fungal infection. Based on qRT-PCR analysis, the expressions of PGSC0003DMP400055136 and PGSC0003DMP400067047 were strongly induced in all treatments by both Fusarium sulphureum (Fs) and Phytophthora infestans (Pi) inoculation. The present study provides valuable information for LecRLKs gene family in potato genome, and establishes a foundation for further research into the functional analysis.
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Affiliation(s)
- Weina Zhang
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Zhongjian Chen
- Agro-biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Yichen Kang
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Yanling Fan
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Yuhui Liu
- Gansu Key Laboratory of Crop Improvement and Germplasm Enhancement, Gansu Agricultural University, Lanzhou, China
| | - Xinyu Yang
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Mingfu Shi
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Kai Yao
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Shuhao Qin
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
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17
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Sun X, Zhu J, Li X, Li Z, Han L, Luo H. AsHSP26.8a, a creeping bentgrass small heat shock protein integrates different signaling pathways to modulate plant abiotic stress response. BMC PLANT BIOLOGY 2020; 20:184. [PMID: 32345221 PMCID: PMC7189581 DOI: 10.1186/s12870-020-02369-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 03/29/2020] [Indexed: 05/24/2023]
Abstract
BACKGROUND Small heat shock proteins (sHSPs) are critical for plant response to biotic and abiotic stresses, especially heat stress. They have also been implicated in various aspects of plant development. However, the acting mechanisms of the sHSPs in plants, especially in perennial grass species, remain largely elusive. RESULTS In this study, AsHSP26.8a, a novel chloroplast-localized sHSP gene from creeping bentgrass (Agrostis stolonifera L.) was cloned and its role in plant response to environmental stress was studied. AsHSP26.8a encodes a protein of 26.8 kDa. Its expression was strongly induced in both leaf and root tissues by heat stress. Transgenic Arabidopsis plants overexpressing AsHSP26.8a displayed reduced tolerance to heat stress. Furthermore, overexpression of AsHSP26.8a resulted in hypersensitivity to hormone ABA and salinity stress. Global gene expression analysis revealed AsHSP26.8a-modulated expression of heat-shock transcription factor gene, and the involvement of AsHSP26.8a in ABA-dependent and -independent as well as other stress signaling pathways. CONCLUSIONS Our results suggest that AsHSP26.8a may negatively regulate plant response to various abiotic stresses through modulating ABA and other stress signaling pathways.
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Affiliation(s)
- Xinbo Sun
- Key Laboratory of Crop Growth Regulation of Hebei Province, College of Agronomy, Hebei Agricultural University, Baoding, Hebei, 071001, People's Republic of China
- Department of Genetics and Biochemistry, Clemson University, 110 Biosystems Research Complex, Clemson, SC, 29634, USA
| | - Junfei Zhu
- Key Laboratory of Crop Growth Regulation of Hebei Province, College of Agronomy, Hebei Agricultural University, Baoding, Hebei, 071001, People's Republic of China
| | - Xin Li
- Key Laboratory of Crop Growth Regulation of Hebei Province, College of Agronomy, Hebei Agricultural University, Baoding, Hebei, 071001, People's Republic of China
| | - Zhigang Li
- Department of Genetics and Biochemistry, Clemson University, 110 Biosystems Research Complex, Clemson, SC, 29634, USA
| | - Liebao Han
- Turfgrass Research Institute, Beijing Forestry University, Beijing, 100083, People's Republic of China.
| | - Hong Luo
- Department of Genetics and Biochemistry, Clemson University, 110 Biosystems Research Complex, Clemson, SC, 29634, USA.
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18
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Vu MH, Iswanto ABB, Lee J, Kim JY. The Role of Plasmodesmata-Associated Receptor in Plant Development and Environmental Response. PLANTS 2020; 9:plants9020216. [PMID: 32046090 PMCID: PMC7076680 DOI: 10.3390/plants9020216] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 01/28/2020] [Accepted: 02/04/2020] [Indexed: 12/28/2022]
Abstract
Over the last decade, plasmodesmata (PD) symplasmic nano-channels were reported to be involved in various cell biology activities to prop up within plant growth and development as well as environmental stresses. Indeed, this is highly influenced by their native structure, which is lined with the plasma membrane (PM), conferring a suitable biological landscape for numerous plant receptors that correspond to signaling pathways. However, there are more than six hundred members of Arabidopsis thaliana membrane-localized receptors and over one thousand receptors in rice have been identified, many of which are likely to respond to the external stimuli. This review focuses on the class of plasmodesmal-receptor like proteins (PD-RLPs)/plasmodesmal-receptor-like kinases (PD-RLKs) found in planta. We summarize and discuss the current knowledge regarding RLPs/RLKs that reside at PD-PM channels in response to plant growth, development, and stress adaptation.
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Affiliation(s)
- Minh Huy Vu
- Division of Applied Life Science (BK21 Plus Program), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju 660-701, Korea; (M.H.V.); (J.L.)
| | - Arya Bagus Boedi Iswanto
- Division of Applied Life Science (BK21 Plus Program), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju 660-701, Korea; (M.H.V.); (J.L.)
- Correspondence: (A.B.B.I.); (J.-Y.K.)
| | - Jinsu Lee
- Division of Applied Life Science (BK21 Plus Program), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju 660-701, Korea; (M.H.V.); (J.L.)
| | - Jae-Yean Kim
- Division of Applied Life Science (BK21 Plus Program), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju 660-701, Korea; (M.H.V.); (J.L.)
- Division of Life Science, Gyeongsang National University, 501 Jinju-daero, Jinju 52828, Korea
- Correspondence: (A.B.B.I.); (J.-Y.K.)
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A New Approach for Estimating Soil Salinity Using A Low-Cost Soil Sensor In Situ: A Case Study in Saline Regions of China’s East Coast. REMOTE SENSING 2020. [DOI: 10.3390/rs12020239] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Accurate and timely information on soil salinity is crucial for vegetation growth and agricultural productivity in coastal regions. This study investigates the potential of using Wifi POGO, an in situ electromagnetic sensor, for soil salinity assessment over saline coastal regions in eastern China. The sensor readings, soil moisture, and temperature-corrected apparent electrical conductivity (ECa) were used to generate models for EC1:5 (a surrogate for soil salinity) estimation. Two salty areas with distinct soil textures, sandy loam (Shuntai) and clay (Dongxin), were selected. This study revealed that the difference between soil salinity and the in situ measured soil ECa (i.e., EC1:5-ECa) had a strong curvilinear relationship with soil moisture. Such a relationship allows for the direct estimation of soil salinity from soil ECa with the aid of soil moisture information. Both ECa and soil moisture can be measured in situ using a Wifi POGO, a low-cost ground-based soil sensor. By using the leave-one-out cross-validation (LOOCV), the achieved root mean square error (RMSE) and relative RMSE (RRMSE) in EC1:5 estimation were 0.0109 S/m and 19.24% respectively in Shuntai, and 0.0157 S/m and 16.05%, in Dongxin. This new method offers a simple, cost-effective and reliable tool for assessing soil salinity in dynamic coastal regions.
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20
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Nongpiur RC, Singla-Pareek SL, Pareek A. The quest for osmosensors in plants. JOURNAL OF EXPERIMENTAL BOTANY 2020; 71:595-607. [PMID: 31145792 DOI: 10.1093/jxb/erz263] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 05/22/2019] [Indexed: 05/20/2023]
Abstract
Osmotic stress has severe effects on crop productivity. Since climate change is predicted to exacerbate this problem, the development of new crops that are tolerant to osmotic stresses, especially drought and salinity stress, is required. However, only limited success has been achieved to date, primarily because of the lack of a clear understanding of the mechanisms that facilitate osmosensing. Here, we discuss the potential mechanisms of osmosensing in plants. We highlight the roles of proteins such as receptor-like kinases, which sense stress-induced cell wall damage, mechanosensitive calcium channels, which initiate a calcium-induced stress response, and phospholipase C, a membrane-bound enzyme that is integral to osmotic stress perception. We also discuss the roles of aquaporins and membrane-bound histidine kinases, which could potentially detect changes in extracellular osmolarity in plants, as they do in prokaryotes and lower eukaryotes. These putative osmosensors have the potential to serve as master regulators of the osmotic stress response in plants and could prove to be useful targets for the selection of osmotic stress-tolerant crops.
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Affiliation(s)
- Ramsong Chantre Nongpiur
- Stress Physiology and Molecular Biology Laboratory, School of Life Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Sneh Lata Singla-Pareek
- International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi, India
| | - Ashwani Pareek
- Stress Physiology and Molecular Biology Laboratory, School of Life Sciences, Jawaharlal Nehru University, New Delhi, India
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Sun Y, Qiao Z, Muchero W, Chen JG. Lectin Receptor-Like Kinases: The Sensor and Mediator at the Plant Cell Surface. FRONTIERS IN PLANT SCIENCE 2020; 11:596301. [PMID: 33362827 PMCID: PMC7758398 DOI: 10.3389/fpls.2020.596301] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 11/19/2020] [Indexed: 05/17/2023]
Abstract
Lectin receptor-like kinases (LecRLKs), a plant-specific receptor-like kinase (RLK) sub-family, have been recently found to play crucial roles in plant development and responses to abiotic and biotic stresses. In this review, we first describe the classification and structures of Lectin RLKs. Then we focus on the analysis of functions of LecRLKs in various biological processes and discuss the status of LecRLKs from the ligands they recognize, substrate they target, signaling pathways they are involved in, to the overall regulation of growth-defense tradeoffs. LecRLKs and the signaling components they interact with constitute recognition and protection systems at the plant cell surface contributing to the detection of environmental changes monitoring plant fitness.
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22
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Passricha N, Saifi SK, Kharb P, Tuteja N. Rice lectin receptor‐like kinase provides salinity tolerance by ion homeostasis. Biotechnol Bioeng 2019; 117:498-510. [DOI: 10.1002/bit.27216] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 10/18/2019] [Accepted: 10/29/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Nishat Passricha
- Plant Molecular Biology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali MargNew Delhi India
| | - Shabnam K. Saifi
- Plant Molecular Biology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali MargNew Delhi India
| | - Pushpa Kharb
- Department of Molecular Biology, Biotechnology and BioinformaticsCOBS&H, CCS Haryana Agricultural UniversityHisar Haryana India
| | - Narendra Tuteja
- Plant Molecular Biology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali MargNew Delhi India
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Guo J, Duan H, Xuan L, Wang Z, Hua J, Yu C, Yin Y, Li M, Yang Y. Identification and functional analysis of LecRLK genes in Taxodium 'Zhongshanshan'. PeerJ 2019; 7:e7498. [PMID: 31423364 PMCID: PMC6697044 DOI: 10.7717/peerj.7498] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 07/16/2019] [Indexed: 01/18/2023] Open
Abstract
Background Lectin receptor-like protein kinases (LecRLKs) can transform external stimuli into intracellular signals and play important regulatory roles in plant development and response to environmental stressors. However, research on the LecRLK gene family of conifers has seldom been reported. Methods Putative LecRLK genes were identified in the transcriptome of Taxodium 'Zhongshanshan'. The classification, domain structures, subcellular localization prediction, and expression patterns of LecRLK genes, as well as co-expressed genes, were analyzed using bioinformatics methods. Fifteen representative genes were further selected for qRT-PCR analysis in six tissues and under five different environmental stressor conditions. Results In total, 297 LecRLK genes were identified, including 155 G-type, 140 L-type, and 2 C-type. According to the classification, G-type and L-type LecRLK genes both can be organized into seven groups. The domain architecture of G-type proteins were more complex compared with that of L- and C-type proteins. Conservative motifs were found in G-type and L-type diverse lectin domains. Prediction and transient expression experiments to determine subcellular localization showed that LecRLKs were mainly concentrated in the cell membrane system, and some members were located at multiple sites at the same time. RNA-seq-based transcriptomics analysis suggested functional redundancy and divergence within each group. Unigenes co-expressed with LecRLKs in the transcriptome were found to be enriched in pathways related to signal transduction and environmental adaptation. Furthermore, qRT-PCR analysis of representative genes showed evidence of functional divergence between different groups. Conclusions This is the first study to conduct an identification and expression analysis of the LecRLK gene family in Taxodium. These results provide a basis for future studies on the evolution and function of this important gene family in Taxodium.
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Affiliation(s)
- Jinbo Guo
- Jiangsu Engineering Research Center for Taxodium Rich. Germplasm Innovation and Propagation, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, China
| | - Hao Duan
- Jiangsu Engineering Research Center for Taxodium Rich. Germplasm Innovation and Propagation, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, China
| | - Lei Xuan
- Jiangsu Engineering Research Center for Taxodium Rich. Germplasm Innovation and Propagation, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, China
| | - Ziyang Wang
- Jiangsu Engineering Research Center for Taxodium Rich. Germplasm Innovation and Propagation, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, China
| | - Jianfeng Hua
- Jiangsu Engineering Research Center for Taxodium Rich. Germplasm Innovation and Propagation, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, China
| | - Chaoguang Yu
- Jiangsu Engineering Research Center for Taxodium Rich. Germplasm Innovation and Propagation, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, China
| | - Yunlong Yin
- Jiangsu Engineering Research Center for Taxodium Rich. Germplasm Innovation and Propagation, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, China
| | - Mingzhi Li
- Genepioneer Biotechnologies Co. Ltd, Nanjing, China
| | - Ying Yang
- Jiangsu Engineering Research Center for Taxodium Rich. Germplasm Innovation and Propagation, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, China
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24
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Campos Mantello C, Boatwright L, da Silva CC, Scaloppi EJ, de Souza Goncalves P, Barbazuk WB, Pereira de Souza A. Deep expression analysis reveals distinct cold-response strategies in rubber tree (Hevea brasiliensis). BMC Genomics 2019; 20:455. [PMID: 31164105 PMCID: PMC6549365 DOI: 10.1186/s12864-019-5852-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Accepted: 05/28/2019] [Indexed: 01/08/2023] Open
Abstract
Background Natural rubber, an indispensable commodity used in approximately 40,000 products, is fundamental to the tire industry. The rubber tree species Hevea brasiliensis (Willd. ex Adr. de Juss.) Muell-Arg., which is native the Amazon rainforest, is the major producer of latex worldwide. Rubber tree breeding is time consuming, expensive and requires large field areas. Thus, genetic studies could optimize field evaluations, thereby reducing the time and area required for these experiments. In this work, transcriptome sequencing was used to identify a full set of transcripts and to evaluate the gene expression involved in the different cold-response strategies of the RRIM600 (cold-resistant) and GT1 (cold-tolerant) genotypes. Results We built a comprehensive transcriptome using multiple database sources, which resulted in 104,738 transcripts clustered in 49,304 genes. The RNA-seq data from the leaf tissues sampled at four different times for each genotype were used to perform a gene-level expression analysis. Differentially expressed genes (DEGs) were identified through pairwise comparisons between the two genotypes for each time series of cold treatments. DEG annotation revealed that RRIM600 and GT1 exhibit different chilling tolerance strategies. To cope with cold stress, the RRIM600 clone upregulates genes promoting stomata closure, photosynthesis inhibition and a more efficient reactive oxygen species (ROS) scavenging system. The transcriptome was also searched for putative molecular markers (single nucleotide polymorphisms (SNPs) and microsatellites) in each genotype. and a total of 27,111 microsatellites and 202,949 (GT1) and 156,395 (RRIM600) SNPs were identified in GT1 and RRIM600. Furthermore, a search for alternative splicing (AS) events identified a total of 20,279 events. Conclusions The elucidation of genes involved in different chilling tolerance strategies associated with molecular markers and information regarding AS events provides a powerful tool for further genetic and genomic analyses of rubber tree breeding. Electronic supplementary material The online version of this article (10.1186/s12864-019-5852-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Camila Campos Mantello
- Molecular Biology and Genetic Engineering Center (CBMEG), University of Campinas (UNICAMP), Campinas, SP, Brazil.,Department of Biology, University of Florida, Gainesville, FL, USA.,The John Bingham Laboratory, National Institute of Agricultural Botany, Cambridge, UK
| | - Lucas Boatwright
- Department of Biology, University of Florida, Gainesville, FL, USA
| | - Carla Cristina da Silva
- Molecular Biology and Genetic Engineering Center (CBMEG), University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Erivaldo Jose Scaloppi
- Rubber Research Advanced Center (CAPSA), Agronomical Institute (IAC), Votuporanga, SP, Brazil
| | | | - W Brad Barbazuk
- Department of Biology, University of Florida, Gainesville, FL, USA.,Genetics Institute, University of Florida, Gainesville, FL, USA
| | - Anete Pereira de Souza
- Molecular Biology and Genetic Engineering Center (CBMEG), University of Campinas (UNICAMP), Campinas, SP, Brazil. .,Department of Plant Biology, Biology Institute, University of Campinas (UNICAMP), Campinas, SP, Brazil.
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25
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Meta-Analysis of Salt Stress Transcriptome Responses in Different Rice Genotypes at the Seedling Stage. PLANTS 2019; 8:plants8030064. [PMID: 30871082 PMCID: PMC6473595 DOI: 10.3390/plants8030064] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 02/28/2019] [Accepted: 03/08/2019] [Indexed: 11/16/2022]
Abstract
Rice (Oryza sativa L.) is one of the most important staple food crops worldwide, while its growth and productivity are threatened by various abiotic stresses, especially salt stress. Unraveling how rice adapts to salt stress at the transcription level is vital. It can provide valuable information on enhancing the salt stress tolerance performance of rice via genetic engineering technologies. Here, we conducted a meta-analysis of different rice genotypes at the seedling stage based on 96 public microarray datasets, aiming to identify the key salt-responsive genes and understand the molecular response mechanism of rice under salt stress. In total, 5559 genes were identified to be differentially expressed genes (DEGs) under salt stress, and 3210 DEGs were identified during the recovery process. The Gene Ontology (GO) enrichment results revealed that the salt-response mechanisms of shoots and roots were different. A close-knit signaling network, consisting of the Ca2+ signal transduction pathway, the mitogen-activated protein kinase (MAPK) cascade, multiple hormone signals, transcription factors (TFs), transcriptional regulators (TRs), protein kinases (PKs), and other crucial functional proteins, plays an essential role in rice salt stress response. In this study, many unreported salt-responsive genes were found. Besides this, MapMan results suggested that TNG67 can shift to the fermentation pathway to produce energy under salt stress and may enhance the Calvin cycle to repair a damaged photosystem during the recovery stage. Taken together, these findings provide novel insights into the salt stress molecular response and introduce numerous candidate genes for rice salt stress tolerance breeding.
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26
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Passricha N, Saifi SK, Kharb P, Tuteja N. Marker-free transgenic rice plant overexpressing pea LecRLK imparts salinity tolerance by inhibiting sodium accumulation. PLANT MOLECULAR BIOLOGY 2019; 99:265-281. [PMID: 30604324 DOI: 10.1007/s11103-018-0816-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2018] [Accepted: 12/18/2018] [Indexed: 05/29/2023]
Abstract
KEY MESSAGE PsLecRLK overexpression in rice provides tolerance against salinity stress and cause upregulation of SOS1 pathway genes, which are responsible for extrusion of excess Na+ ion under stress condition. Soil salinity is one of the most devastating factors threatening cultivable land. Rice is a major staple crop and immensely affected by soil salinity. The small genome size of rice relative to wheat and barley, together with its salt sensitivity, makes it an ideal candidate for studies on salt stress response caused by a particular gene. Under stress conditions crosstalk between organelles and cell to cell response is imperative. LecRLK is an important family, which plays a key role under stress conditions and regulates the physiology of the plant. Here we have functionally validated the PsLecRLK gene in rice for salinity stress tolerance and hypothesized the model for its working. Salt stress sensitive rice variety IR64 was used for developing marker-free transgenic with modified binary vector pCAMBIA1300 overexpressing PsLecRLK gene. Comparison of transgenic and wild-type (WT) plants showed better physiological and biochemical results in transgenic lines with a low level of ROS, MDA and ion accumulation and a higher level of proline, relative water content, root/shoot ration, enzymatic activities of ROS scavengers and upregulation of stress-responsive genes. Based on the relative expression of stress-responsive genes and ionic content, the working model highlights the role of PsLecRLK in the extrusion of Na+ ion from the cell. This extrusion of Na+ ion is facilitated by higher expression of SOS1 (Na+/K+ channel) in transgenic plants as compared to WT plants. Altered expression of stress-responsive genes and change in biochemical and physiological properties of the cell suggests an extensive reprogramming of the stress-responsive metabolic pathways by PsLecRLK under stress condition, which could be responsible for the salt tolerance capability.
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MESH Headings
- Adaptation, Physiological/drug effects
- Adaptation, Physiological/genetics
- Calcium/metabolism
- Cell Death
- Cell Membrane/drug effects
- Cloning, Molecular
- Gene Expression Regulation, Plant/drug effects
- Gene Expression Regulation, Plant/genetics
- Genes, Plant
- Germination
- Homozygote
- Ions
- Oryza/genetics
- Oryza/metabolism
- Pisum sativum/genetics
- Pisum sativum/metabolism
- Plant Proteins/genetics
- Plant Proteins/metabolism
- Plants, Genetically Modified/genetics
- Plants, Genetically Modified/metabolism
- Protein Transport/drug effects
- Reactive Oxygen Species/metabolism
- Receptors, Mitogen/genetics
- Receptors, Mitogen/metabolism
- SOS1 Protein/genetics
- SOS1 Protein/metabolism
- Salinity
- Salt Tolerance/genetics
- Salt Tolerance/physiology
- Sodium/metabolism
- Sodium Chloride/metabolism
- Sodium Chloride/pharmacology
- Stress, Physiological/drug effects
- Stress, Physiological/genetics
- Up-Regulation
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Affiliation(s)
- Nishat Passricha
- Plant Molecular Biology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Shabnam K Saifi
- Plant Molecular Biology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Pushpa Kharb
- Department of Molecular Biology, Biotechnology and Bioinformatics, COBS&H, CCS Haryana Agricultural University, Hisar, Haryana, 125004, India
| | - Narendra Tuteja
- Plant Molecular Biology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi, 110067, India.
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27
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Qiu A, Lei Y, Yang S, Wu J, Li J, Bao B, Cai Y, Wang S, Lin J, Wang Y, Shen L, Cai J, Guan D, He S. CaC3H14 encoding a tandem CCCH zinc finger protein is directly targeted by CaWRKY40 and positively regulates the response of pepper to inoculation by Ralstonia solanacearum. MOLECULAR PLANT PATHOLOGY 2018; 19:2221-2235. [PMID: 29683552 PMCID: PMC6638151 DOI: 10.1111/mpp.12694] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 03/27/2018] [Accepted: 04/20/2018] [Indexed: 05/10/2023]
Abstract
Tandem CCCH zinc finger (TZnF) proteins have been implicated in plant defence, but their role in pepper (Capsicum annuum) is unclear. In the present study, the role of CaC3H14, a pepper TZnF protein, in the immune response of pepper plants to Ralstonia solanacearum infection was characterized. When fused to the green fluorescent protein, CaC3H14 was localized exclusively to the nuclei in leaf cells of Nicotiana benthamiana plants transiently overexpressing CaC3H14. Transcript abundance of CaC3H14 was up-regulated by inoculation with R. solanacearum. Virus-induced silencing of CaC3H14 increased the susceptibility of the plants to R. solanacearum and down-regulated the genes associated with the hypersensitive response (HR), specifically HIR1 and salicylic acid (SA)-dependent PR1a. By contrast, silencing resulted in the up-regulation of jasmonic acid (JA)-dependent DEF1 and ethylene (ET) biosynthesis-associated ACO1. Transient overexpression of CaC3H14 in pepper triggered an intensive HR, indicated by cell death and hydrogen peroxide (H2 O2 ) accumulation, up-regulated PR1a and down-regulated DEF1 and ACO1. Ectopic overexpression of CaC3H14 in tobacco plants significantly decreased the susceptibility of tobacco plants to R. solanacearum. It also up-regulated HR-associated HSR515, immunity-associated GST1 and the SA-dependent marker genes NPR1 and PR2, but down-regulated JA-dependent PR1b and ET-dependent EFE26. The CaC3H14 promoter and was bound and its transcription was up-regulated by CaWRKY40. Collectively, these results indicate that CaC3H14 is transcriptionally targeted by CaWRKY40, is a modulator of the antagonistic interaction between SA and JA/ET signalling, and enhances the defence response of pepper plants to infection by R. solanacearum.
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Affiliation(s)
- Ailian Qiu
- National Education Ministry, Key Laboratory of Plant Genetic Improvement and Comprehensive UtilizationFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- Key Laboratory of Applied Genetics of Universities in Fujian Province, Fujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- College of Life ScienceFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
| | - Yufen Lei
- National Education Ministry, Key Laboratory of Plant Genetic Improvement and Comprehensive UtilizationFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- College of Life ScienceFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
| | - Sheng Yang
- National Education Ministry, Key Laboratory of Plant Genetic Improvement and Comprehensive UtilizationFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- Key Laboratory of Applied Genetics of Universities in Fujian Province, Fujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- College of Life ScienceFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
| | - Ji Wu
- National Education Ministry, Key Laboratory of Plant Genetic Improvement and Comprehensive UtilizationFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
| | - Jiazhi Li
- National Education Ministry, Key Laboratory of Plant Genetic Improvement and Comprehensive UtilizationFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
| | - Bingjin Bao
- National Education Ministry, Key Laboratory of Plant Genetic Improvement and Comprehensive UtilizationFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- Key Laboratory of Applied Genetics of Universities in Fujian Province, Fujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- College of Crop ScienceFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
| | - Yiting Cai
- National Education Ministry, Key Laboratory of Plant Genetic Improvement and Comprehensive UtilizationFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- Key Laboratory of Applied Genetics of Universities in Fujian Province, Fujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- College of Crop ScienceFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
| | - Song Wang
- National Education Ministry, Key Laboratory of Plant Genetic Improvement and Comprehensive UtilizationFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- Key Laboratory of Applied Genetics of Universities in Fujian Province, Fujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- College of Crop ScienceFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
| | - Jinhui Lin
- National Education Ministry, Key Laboratory of Plant Genetic Improvement and Comprehensive UtilizationFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- Key Laboratory of Applied Genetics of Universities in Fujian Province, Fujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- College of Crop ScienceFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
| | - Yuzhu Wang
- National Education Ministry, Key Laboratory of Plant Genetic Improvement and Comprehensive UtilizationFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- Key Laboratory of Applied Genetics of Universities in Fujian Province, Fujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- College of Crop ScienceFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
| | - Lei Shen
- National Education Ministry, Key Laboratory of Plant Genetic Improvement and Comprehensive UtilizationFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- Key Laboratory of Applied Genetics of Universities in Fujian Province, Fujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- College of Crop ScienceFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
| | - Jinsen Cai
- National Education Ministry, Key Laboratory of Plant Genetic Improvement and Comprehensive UtilizationFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- Key Laboratory of Applied Genetics of Universities in Fujian Province, Fujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- College of Crop ScienceFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
| | - Deyi Guan
- National Education Ministry, Key Laboratory of Plant Genetic Improvement and Comprehensive UtilizationFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- Key Laboratory of Applied Genetics of Universities in Fujian Province, Fujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- College of Crop ScienceFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
| | - Shuilin He
- National Education Ministry, Key Laboratory of Plant Genetic Improvement and Comprehensive UtilizationFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- Key Laboratory of Applied Genetics of Universities in Fujian Province, Fujian Agriculture and Forestry UniversityFuzhouFujian 350002China
- College of Crop ScienceFujian Agriculture and Forestry UniversityFuzhouFujian 350002China
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28
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Xu G, Li M, Zhang H, Chen Q, Jin L, Zheng Q, Liu P, Cao P, Chen X, Zhai N, Zhou H. NtRLK5, a novel RLK-like protein kinase from Nitotiana tobacum, positively regulates drought tolerance in transgenic Arabidopsis. Biochem Biophys Res Commun 2018; 503:1235-1240. [PMID: 30001808 DOI: 10.1016/j.bbrc.2018.07.030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Accepted: 07/06/2018] [Indexed: 01/28/2023]
Abstract
Receptor-like protein kinase (RLKs) plays pivotal roles in plant growth and development as well as stress responses. However, little is known about the function of RLKs in Nitotiana tobacum. In the present study, we present data on NtRLK5, a novel RLK-like gene isolated from Hongda (Nitotiana tobacum L.). Expression profile analysis revealed that NtRLK5 was strongly induced by drought and salt stresses. Transient expression of NtRLK5-GFP fusion protein in protoplast showed that NtRLK5 was localized to plasma membrane. Overexpression of NtRLK5 conferred enhanced drought tolerance in transgenic Arabidopsis plants, which was attributed to not only the lower malondialdehyde (MDA) and H2O2 contents, but also the higher antioxidant enzymes activities. Moreover, the expression of several antioxidation- and stress-related genes was also significantly up-regulated in NtRLK5 transgenic plants under drought condition. Taken together, the results suggest that NtRLK5 functions as a positive regulator in drought tolerance.
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Affiliation(s)
- Guoyun Xu
- Zhengzhou Tobacco Research Institute of China National Tobacco Corporation, Zhengzhou, China
| | - Mingjuan Li
- Key Laboratory for Agro-ecological Process in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, China
| | - Hui Zhang
- Zhengzhou Tobacco Research Institute of China National Tobacco Corporation, Zhengzhou, China
| | - Qiansi Chen
- Zhengzhou Tobacco Research Institute of China National Tobacco Corporation, Zhengzhou, China
| | - Lifeng Jin
- Zhengzhou Tobacco Research Institute of China National Tobacco Corporation, Zhengzhou, China
| | - Qingxia Zheng
- Zhengzhou Tobacco Research Institute of China National Tobacco Corporation, Zhengzhou, China
| | - Pingping Liu
- Zhengzhou Tobacco Research Institute of China National Tobacco Corporation, Zhengzhou, China
| | - Peijian Cao
- Zhengzhou Tobacco Research Institute of China National Tobacco Corporation, Zhengzhou, China
| | - Xia Chen
- Zhengzhou Tobacco Research Institute of China National Tobacco Corporation, Zhengzhou, China
| | - Niu Zhai
- Zhengzhou Tobacco Research Institute of China National Tobacco Corporation, Zhengzhou, China.
| | - Huina Zhou
- Zhengzhou Tobacco Research Institute of China National Tobacco Corporation, Zhengzhou, China.
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29
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Ma N, Liu C, Li H, Wang J, Zhang B, Lin J, Chang Y. Genome-wide identification of lectin receptor kinases in pear: Functional characterization of the L-type LecRLK gene PbLRK138. Gene 2018; 661:11-21. [PMID: 29601951 DOI: 10.1016/j.gene.2018.03.077] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 03/13/2018] [Accepted: 03/26/2018] [Indexed: 12/31/2022]
Abstract
Lectin receptor-like kinases (LecRLKs) are membrane-bound receptors that are believed to be involved in biotic and abiotic stress responses. However, little is known about the LecRLK family in pear. In this study, a total of 172 LecRLK genes were first identified in the entire pear genome. The 172 LecRLKs were divided into three types (111 G-, 59 L- and two C-types) based on their structure and phylogenetic relationships. LecRLKs gene expressions were detected in different pear tissues including roots, stems, leaves, flowers and fruits, and the most of the 11 selected LecRLKs exhibited similar expression patterns. Furthermore, six selected LecRLKs were shown to be involved in salt stress response. Overexpression of PbLRK138, an L-type LecRLK, caused cell death and induced expression of defense-related genes in Nicotiana benthamiana. Two deletion mutants containing lectin or transmembrane and serine/threonine kinase domains did not trigger cell death. In addition, only the mutant with the transmembrane domain was localized to the plasma membrane.
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Affiliation(s)
- Na Ma
- Institute of Pomology, Jiangsu Academy of Agricultural Sciences/Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Nanjing 210014, China
| | - Chunxiao Liu
- Institute of Pomology, Jiangsu Academy of Agricultural Sciences/Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Nanjing 210014, China
| | - Hui Li
- Institute of Pomology, Jiangsu Academy of Agricultural Sciences/Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Nanjing 210014, China
| | - Jinyan Wang
- Institute of Germplasm and Biotechnology, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, China
| | - Baolong Zhang
- Institute of Germplasm and Biotechnology, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, China
| | - Jing Lin
- Institute of Pomology, Jiangsu Academy of Agricultural Sciences/Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Nanjing 210014, China
| | - Youhong Chang
- Institute of Pomology, Jiangsu Academy of Agricultural Sciences/Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Nanjing 210014, China.
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30
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Demidchik V, Tyutereva EV, Voitsekhovskaja OV. The role of ion disequilibrium in induction of root cell death and autophagy by environmental stresses. FUNCTIONAL PLANT BIOLOGY : FPB 2018; 45:28-46. [PMID: 32291019 DOI: 10.1071/fp16380] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Accepted: 12/09/2016] [Indexed: 05/26/2023]
Abstract
Environmental stresses such as salinity, drought, oxidants, heavy metals, hypoxia, extreme temperatures and others can induce autophagy and necrosis-type programmed cell death (PCD) in plant roots. These reactions are accompanied by the generation of reactive oxygen species (ROS) and ion disequilibrium, which is induced by electrolyte/K+ leakage through ROS-activated ion channels, such as the outwardly-rectifying K+ channel GORK and non-selective cation channels. Here, we discuss mechanisms of the stress-induced ion disequilibrium and relate it with ROS generation and onset of morphological, biochemical and genetic symptoms of autophagy and PCD in roots. Based on our own data and that in the literature, we propose a hypothesis on the induction of autophagy and PCD in roots by loss of cytosolic K+. To support this, we present data showing that in conditions of salt stress-induced autophagy, gork1-1 plants lacking root K+ efflux channel have fewer autophagosomes compared with the wild type. Overall, literature analyses and presented data strongly suggest that stress-induced root autophagy and PCD are controlled by the level of cytosolic potassium and ROS.
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Affiliation(s)
- Vadim Demidchik
- Laboratory of Plant Ecological Physiology, Komarov Botanical Institute, Russian Academy of Sciences, ul. Professora Popova 2, 197376St Petersburg, Russia
| | - Elena V Tyutereva
- Laboratory of Plant Ecological Physiology, Komarov Botanical Institute, Russian Academy of Sciences, ul. Professora Popova 2, 197376St Petersburg, Russia
| | - Olga V Voitsekhovskaja
- Laboratory of Plant Ecological Physiology, Komarov Botanical Institute, Russian Academy of Sciences, ul. Professora Popova 2, 197376St Petersburg, Russia
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31
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Omisun T, Sahoo S, Saha B, Panda SK. Relative salinity tolerance of rice cultivars native to North East India: a physiological, biochemical and molecular perspective. PROTOPLASMA 2018; 255:193-202. [PMID: 28718009 DOI: 10.1007/s00709-017-1142-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2016] [Accepted: 07/04/2017] [Indexed: 05/24/2023]
Abstract
Salinity is the second most prevalent abiotic stress faced by plants, and rice is not an exception. Through this study, it has been tried upon, to study the relative salinity tolerance of eight local varieties of North East India. Preliminary screening was based on their dose- and time-dependent physiological responses to salinity stress. Among the cultivars, Tampha was found to be relatively more tolerant, whereas MSE9 the most sensitive. To further ascertain their tolerance capacity, MDA and H2O2 content was determined, which also confirmed the tolerance level of the two cultivars. Histochemical assays for root plasma membrane integrity and leaf and root H2O2 and O2- content also showed more damage in Tampha in comparison to MSE9. Finally, gene expression analysis for Na+/K+ co-transporters, OsHKT2;1, OsHKT2;3 and OsHKT2;4, was performed to observe how the expression level of these transporters varies with the tolerance capacity of these two cultivars in leaves and roots under different time frames. The study reveals Tampha to be the most tolerant and MSE9 the most sensitive when compared to the other six screened cultivars for salinity stress.
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Affiliation(s)
- Takhellambam Omisun
- Plant Molecular Biotechnology Laboratory, Department of Life Science & Bioinformatics, Assam University, Silchar, Assam, 788011, India
| | - Smita Sahoo
- Plant Molecular Biotechnology Laboratory, Department of Life Science & Bioinformatics, Assam University, Silchar, Assam, 788011, India
| | - Bedabrata Saha
- Plant Molecular Biotechnology Laboratory, Department of Life Science & Bioinformatics, Assam University, Silchar, Assam, 788011, India
| | - Sanjib Kumar Panda
- Plant Molecular Biotechnology Laboratory, Department of Life Science & Bioinformatics, Assam University, Silchar, Assam, 788011, India.
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32
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Sussmilch FC, McAdam SAM. Surviving a Dry Future: Abscisic Acid (ABA)-Mediated Plant Mechanisms for Conserving Water under Low Humidity. PLANTS (BASEL, SWITZERLAND) 2017; 6:E54. [PMID: 29113039 PMCID: PMC5750630 DOI: 10.3390/plants6040054] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Revised: 10/29/2017] [Accepted: 11/01/2017] [Indexed: 12/15/2022]
Abstract
Angiosperms are able to respond rapidly to the first sign of dry conditions, a decrease in air humidity, more accurately described as an increase in the vapor pressure deficit between the leaf and the atmosphere (VPD), by abscisic acid (ABA)-mediated stomatal closure. The genes underlying this response offer valuable candidates for targeted selection of crop varieties with improved drought tolerance, a critical goal for current plant breeding programs, to maximize crop production in drier and increasingly marginalized environments, and meet the demands of a growing population in the face of a changing climate. Here, we review current understanding of the genetic mechanisms underpinning ABA-mediated stomatal closure, a key means for conserving water under dry conditions, examine how these mechanisms evolved, and discuss what remains to be investigated.
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Affiliation(s)
- Frances C Sussmilch
- School of Biological Sciences, University of Tasmania, Hobart TAS 7001, Australia.
- Institute for Molecular Plant Physiology and Biophysics, University of Würzburg, D-97082 Würzburg, Germany.
| | - Scott A M McAdam
- Purdue Center for Plant Biology, Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907, USA.
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33
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Affiliation(s)
- Yan Wang
- Laboratory of Phytopathology, Wageningen University, Wageningen, The Netherlands
- Department of Plant Pathology, Nanjing Agricultural University, Nanjing, China
| | - Klaas Bouwmeester
- Laboratory of Phytopathology, Wageningen University, Wageningen, The Netherlands
- Plant-Microbe Interactions, Department of Biology, Utrecht University, Utrecht, The Netherlands
- * E-mail:
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Van Holle S, De Schutter K, Eggermont L, Tsaneva M, Dang L, Van Damme EJM. Comparative Study of Lectin Domains in Model Species: New Insights into Evolutionary Dynamics. Int J Mol Sci 2017; 18:ijms18061136. [PMID: 28587095 PMCID: PMC5485960 DOI: 10.3390/ijms18061136] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2017] [Revised: 05/20/2017] [Accepted: 05/22/2017] [Indexed: 01/07/2023] Open
Abstract
Lectins are present throughout the plant kingdom and are reported to be involved in diverse biological processes. In this study, we provide a comparative analysis of the lectin families from model species in a phylogenetic framework. The analysis focuses on the different plant lectin domains identified in five representative core angiosperm genomes (Arabidopsisthaliana, Glycine max, Cucumis sativus, Oryza sativa ssp. japonica and Oryza sativa ssp. indica). The genomes were screened for genes encoding lectin domains using a combination of Basic Local Alignment Search Tool (BLAST), hidden Markov models, and InterProScan analysis. Additionally, phylogenetic relationships were investigated by constructing maximum likelihood phylogenetic trees. The results demonstrate that the majority of the lectin families are present in each of the species under study. Domain organization analysis showed that most identified proteins are multi-domain proteins, owing to the modular rearrangement of protein domains during evolution. Most of these multi-domain proteins are widespread, while others display a lineage-specific distribution. Furthermore, the phylogenetic analyses reveal that some lectin families evolved to be similar to the phylogeny of the plant species, while others share a closer evolutionary history based on the corresponding protein domain architecture. Our results yield insights into the evolutionary relationships and functional divergence of plant lectins.
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Affiliation(s)
- Sofie Van Holle
- Department of Molecular Biotechnology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium.
| | - Kristof De Schutter
- Department of Molecular Biotechnology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium.
- Department of Crop Protection, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium.
| | - Lore Eggermont
- Department of Molecular Biotechnology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium.
| | - Mariya Tsaneva
- Department of Molecular Biotechnology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium.
| | - Liuyi Dang
- Department of Molecular Biotechnology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium.
| | - Els J M Van Damme
- Department of Molecular Biotechnology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium.
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Passricha N, Saifi S, Khatodia S, Tuteja N. Assessing zygosity in progeny of transgenic plants: current methods and perspectives. J Biol Methods 2016; 3:e46. [PMID: 31453212 PMCID: PMC6706148 DOI: 10.14440/jbm.2016.114] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Revised: 04/29/2016] [Accepted: 05/25/2016] [Indexed: 01/20/2023] Open
Abstract
Homozygosity is highly desirable in transgenic plants research to ensure the stable integration and inheritance of transgene(s). Simple, reliable and high-throughput techniques to detect the zygosity of transgenic events in plants are invaluable tools for biotechnology and plant breeding companies. Currently, a number of basic techniques are being used to determine the zygosity of transgenic plants in T1 generation. For successful application of any technique, precision and simplicity of approach combined with the power of resolution are important parameters. On the basis of simplicity, resolution and cost involved, the available techniques have been classified into three major classes which are conventional methods, current methods and next generation methods. Conventional methods include antibiotic marker-based selection and the highly labor intensive Southern blot analysis. In contrast, methods such as real time PCR, TAIL PCR and competitive PCR are not only cost effective but rapid as well. Moreover, methods such as NGS, digital PCR and loop-mediated isothermal amplification also provide a cost effective, fast and not so labor intensive substitute of current methods. In this review, we have attempted to compare and contrast all the available efficient methods to distinguish homozygous plants in progeny of transgenics. This review also provides information of various techniques available for determining zygosity in plants so as to permit researchers to make informed choices of techniques that best suit their analyses. More importantly, detection and subsequent selection of homozygous individuals is central for facilitating the movement of transgenic plants from the laboratory to the field.
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Affiliation(s)
- Nishat Passricha
- Plant Molecular Biology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi 110067, India
| | - Shabnam Saifi
- Plant Molecular Biology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi 110067, India
| | - Surender Khatodia
- Amity Institute of Biotechnology, Amity University, Gurgaon 122413, India
| | - Narendra Tuteja
- Plant Molecular Biology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi 110067, India
- Amity Institute of Microbial Technology, Amity University, Noida 201313, India
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