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Zhong S, Zhao P, Peng X, Li HJ, Duan Q, Cheung AY. From gametes to zygote: Mechanistic advances and emerging possibilities in plant reproduction. PLANT PHYSIOLOGY 2024; 195:4-35. [PMID: 38431529 PMCID: PMC11060694 DOI: 10.1093/plphys/kiae125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 02/13/2024] [Accepted: 02/13/2024] [Indexed: 03/05/2024]
Affiliation(s)
- Sheng Zhong
- State Key Laboratory for Protein and Plant Gene Research, Peking-Tsinghua Center for Life Sciences, New Cornerstone Science Laboratory, College of Life Sciences, Peking University, Beijing 100871, China
| | - Peng Zhao
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, China
- Hubei Hongshan Laboratory, Wuhan 430070, China
| | - Xiongbo Peng
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, China
- Hubei Hongshan Laboratory, Wuhan 430070, China
| | - Hong-Ju Li
- Key Laboratory of Seed Innovation, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Center for Molecular Agrobiology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China
| | - Qiaohong Duan
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai’an, Shandong 271018, China
| | - Alice Y Cheung
- Department of Biochemistry and Molecular Biology, Molecular and Cellular Biology Program, Plant Biology Graduate Program, University of Massachusetts, Amherst, MA 01003, USA
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Rode S, Kaur H, Sharma M, Shah V, Singh SS, Gubyad M, Ghosh DK, Sircar D, Kumar P, Roy P, Sharma AK. Characterization of Type1 Lipid Transfer Protein from Citrus sinensis: Unraveling its potential as an antimicrobial and insecticidal agent. Int J Biol Macromol 2024; 265:130811. [PMID: 38490399 DOI: 10.1016/j.ijbiomac.2024.130811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 12/27/2023] [Accepted: 03/10/2024] [Indexed: 03/17/2024]
Abstract
Lipid Transfer Protein1 (LTP1) is a cationic, multifaceted protein belonging to the pathogenesis-related protein (PR14) family. Despite being involved in diverse physiological processes and defense mechanisms, the precise in-vivo role of LTP1 remains undiscovered. This work presents the characterization of recombinant Citrus sinensis LTP1 (CsLTP1) along with lipid binding studies through in-silico and in-vitro approaches. CsLTP1 demonstrated great thermal and pH stability with a huge biotechnological potential. It showed in-vitro binding capacity with jasmonic acid and lipids involved in regulating plant immune responses. Gene expression profiling indicated a significant upregulation of CsLTP1 in Candidatus-infected Citrus plants. CsLTP1 disrupted the cell membrane integrity of various pathogens, making it a potent antimicrobial agent. Further, in-vivo antimicrobial and insecticidal properties of CsLTP1 have been explored. The impact of exogenous CsLTP1 treatment on rice crop metabolism for managing blight disease has been studied using GC-MS. CsLTP1 triggered crucial metabolic pathways in rice plants while controlling the blight disease. CsLTP1 effectively inhibited Helicoverpa armigera larvae by impeding mid-gut α-amylase activity and obstructing its developmental stages. This study highlights the pivotal role of CsLTP1 in plant defense by offering insights for developing multi-target therapeutic agent or disease-resistant varieties to comprehensively tackle the challenges towards crop protection.
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Affiliation(s)
- Surabhi Rode
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Harry Kaur
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Monica Sharma
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Vivek Shah
- Division of Crop Protection, ICAR Central Institute for Cotton Research, Nagpur, India
| | - Shiv Shakti Singh
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Mrugendra Gubyad
- Plant Virology Laboratory, Central Citrus Research Institute, Nagpur, India
| | - Dilip Kumar Ghosh
- Plant Virology Laboratory, Central Citrus Research Institute, Nagpur, India
| | - Debabrata Sircar
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Pravindra Kumar
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Partha Roy
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Ashwani Kumar Sharma
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee 247667, India.
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Akhiyarova G, Finkina EI, Zhang K, Veselov D, Vafina G, Ovchinnikova TV, Kudoyarova G. The Long-Distance Transport of Some Plant Hormones and Possible Involvement of Lipid-Binding and Transfer Proteins in Hormonal Transport. Cells 2024; 13:364. [PMID: 38474328 DOI: 10.3390/cells13050364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 02/16/2024] [Accepted: 02/18/2024] [Indexed: 03/14/2024] Open
Abstract
Adaptation to changes in the environment depends, in part, on signaling between plant organs to integrate adaptive response at the level of the whole organism. Changes in the delivery of hormones from one organ to another through the vascular system strongly suggest that hormone transport is involved in the transmission of signals over long distances. However, there is evidence that, alternatively, systemic responses may be brought about by other kinds of signals (e.g., hydraulic or electrical) capable of inducing changes in hormone metabolism in distant organs. Long-distance transport of hormones is therefore a matter of debate. This review summarizes arguments for and against the involvement of the long-distance transport of cytokinins in signaling mineral nutrient availability from roots to the shoot. It also assesses the evidence for the role of abscisic acid (ABA) and jasmonates in long-distance signaling of water deficiency and the possibility that Lipid-Binding and Transfer Proteins (LBTPs) facilitate the long-distance transport of hormones. It is assumed that proteins of this type raise the solubility of hydrophobic substances such as ABA and jasmonates in hydrophilic spaces, thereby enabling their movement in solution throughout the plant. This review collates evidence that LBTPs bind to cytokinins, ABA, and jasmonates and that cytokinins, ABA, and LBTPs are present in xylem and phloem sap and co-localize at sites of loading into vascular tissues and at sites of unloading from the phloem. The available evidence indicates a functional interaction between LBTPs and these hormones.
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Affiliation(s)
- Guzel Akhiyarova
- Ufa Institute of Biology, Ufa Federal Research Centre of the Russian Academy of Sciences, Prospekt Oktyabrya, 69, 450054 Ufa, Russia
| | - Ekaterina I Finkina
- M.M. Shemyakin & Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Miklukho-Maklaya Str. 16/10, 117997 Moscow, Russia
| | - Kewei Zhang
- Zhejiang Provincial Key Laboratory of Biotechnology on Specialty Economic Plants, College of 10 Life Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Dmitriy Veselov
- Ufa Institute of Biology, Ufa Federal Research Centre of the Russian Academy of Sciences, Prospekt Oktyabrya, 69, 450054 Ufa, Russia
| | - Gulnara Vafina
- Ufa Institute of Biology, Ufa Federal Research Centre of the Russian Academy of Sciences, Prospekt Oktyabrya, 69, 450054 Ufa, Russia
| | - Tatiana V Ovchinnikova
- M.M. Shemyakin & Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Miklukho-Maklaya Str. 16/10, 117997 Moscow, Russia
| | - Guzel Kudoyarova
- Ufa Institute of Biology, Ufa Federal Research Centre of the Russian Academy of Sciences, Prospekt Oktyabrya, 69, 450054 Ufa, Russia
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Alexandre CM, Bubb KL, Schultz KM, Lempe J, Cuperus JT, Queitsch C. LTP2 hypomorphs show genotype-by-environment interaction in early seedling traits in Arabidopsis thaliana. THE NEW PHYTOLOGIST 2024; 241:253-266. [PMID: 37865885 PMCID: PMC10843042 DOI: 10.1111/nph.19334] [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: 06/05/2023] [Accepted: 09/26/2023] [Indexed: 10/23/2023]
Abstract
Isogenic individuals can display seemingly stochastic phenotypic differences, limiting the accuracy of genotype-to-phenotype predictions. The extent of this phenotypic variation depends in part on genetic background, raising questions about the genes involved in controlling stochastic phenotypic variation. Focusing on early seedling traits in Arabidopsis thaliana, we found that hypomorphs of the cuticle-related gene LIPID TRANSFER PROTEIN 2 (LTP2) greatly increased variation in seedling phenotypes, including hypocotyl length, gravitropism and cuticle permeability. Many ltp2 hypocotyls were significantly shorter than wild-type hypocotyls while others resembled the wild-type. Differences in epidermal properties and gene expression between ltp2 seedlings with long and short hypocotyls suggest a loss of cuticle integrity as the primary determinant of the observed phenotypic variation. We identified environmental conditions that reveal or mask the increased variation in ltp2 hypomorphs and found that increased expression of its closest paralog LTP1 is necessary for ltp2 phenotypes. Our results illustrate how decreased expression of a single gene can generate starkly increased phenotypic variation in isogenic individuals in response to an environmental challenge.
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Affiliation(s)
| | - Kerry L Bubb
- Department of Genome Sciences, University of Washington, Seattle WA 98195, USA
| | - Karla M Schultz
- Department of Genome Sciences, University of Washington, Seattle WA 98195, USA
| | - Janne Lempe
- Julius Kühn Institute (JKI) - Federal Research Centre for Cultivated Plants, Institute for Breeding Research on Fruit Crops, Dresden, Germany 1099
| | - Josh T Cuperus
- Department of Genome Sciences, University of Washington, Seattle WA 98195, USA
| | - Christine Queitsch
- Department of Genome Sciences, University of Washington, Seattle WA 98195, USA
- Brotman Baty Institute for Precision Medicine, Seattle, WA 98195, USA
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Alexandre CM, Bubb KL, Schultz KM, Lempe J, Cuperus JT, Queitsch C. LTP2 hypomorphs show genotype-by-environment interaction in early seedling traits in Arabidopsis thaliana. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.11.540469. [PMID: 37214854 PMCID: PMC10197655 DOI: 10.1101/2023.05.11.540469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Isogenic individuals can display seemingly stochastic phenotypic differences, limiting the accuracy of genotype-to-phenotype predictions. The extent of this phenotypic variation depends in part on genetic background, raising questions about the genes involved in controlling stochastic phenotypic variation. Focusing on early seedling traits in Arabidopsis thaliana, we found that hypomorphs of the cuticle-related gene LTP2 greatly increased variation in seedling phenotypes, including hypocotyl length, gravitropism and cuticle permeability. Many ltp2 hypocotyls were significantly shorter than wild-type hypocotyls while others resembled the wild type. Differences in epidermal properties and gene expression between ltp2 seedlings with long and short hypocotyls suggest a loss of cuticle integrity as the primary determinant of the observed phenotypic variation. We identified environmental conditions that reveal or mask the increased variation in ltp2 hypomorphs, and found that increased expression of its closest paralog LTP1 is necessary for ltp2 phenotypes. Our results illustrate how decreased expression of a single gene can generate starkly increased phenotypic variation in isogenic individuals in response to an environmental challenge.
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Affiliation(s)
| | - Kerry L Bubb
- Department of Genome Sciences, University of Washington, Seattle WA 98195, USA
| | - Karla M Schultz
- Department of Genome Sciences, University of Washington, Seattle WA 98195, USA
| | - Janne Lempe
- Julius Kühn Institute (JKI) - Federal Research Centre for Cultivated Plants, Institute for Breeding Research on Fruit Crops, Dresden, Germany
| | - Josh T Cuperus
- Department of Genome Sciences, University of Washington, Seattle WA 98195, USA
| | - Christine Queitsch
- Department of Genome Sciences, University of Washington, Seattle WA 98195, USA
- Brotman Baty Institute for Precision Medicine, Seattle, WA 98195, USA
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Bvindi C, Howe K, Wang Y, Mullen RT, Rogan CJ, Anderson JC, Goyer A. Potato Non-Specific Lipid Transfer Protein StnsLTPI.33 Is Associated with the Production of Reactive Oxygen Species, Plant Growth, and Susceptibility to Alternaria solani. PLANTS (BASEL, SWITZERLAND) 2023; 12:3129. [PMID: 37687375 PMCID: PMC10490331 DOI: 10.3390/plants12173129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 08/21/2023] [Accepted: 08/29/2023] [Indexed: 09/10/2023]
Abstract
Plant non-specific lipid transfer proteins (nsLTPs) are small proteins capable of transferring phospholipids between membranes and binding non-specifically fatty acids in vitro. They constitute large gene families in plants, e.g., 83 in potato (Solanum tuberosum). Despite their recognition decades ago, very few have been functionally characterized. Here, we set out to better understand the function of one of the potato members, StnsLTPI.33. Using quantitative polymerase chain reaction, we show that StnsLTPI.33 is expressed throughout the potato plant, but at relatively higher levels in roots and leaves compared to petals, anthers, and the ovary. We also show that ectopically-expressed StnsLTPI.33 fused to green fluorescent protein colocalized with an apoplastic marker in Nicotiana benthamiana leaves, indicating that StnsLTPI.33 is targeted to the apoplast. Constitutive overexpression of the StnsLTPI.33 gene in potato led to increased levels of superoxide anions and reduced plant growth, particularly under salt stress conditions, and enhanced susceptibility to Alternaria solani. In addition, StnsLTPI.33-overexpressing plants had a depleted leaf pool of pipecolic acid, threonic acid, and glycine, while they accumulated putrescine. To our knowledge, this is the first report of an nsLTP that is associated with enhanced susceptibility to a pathogen in potato.
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Affiliation(s)
- Carol Bvindi
- Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331, USA; (C.B.); (K.H.); (C.J.R.); (J.C.A.)
| | - Kate Howe
- Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331, USA; (C.B.); (K.H.); (C.J.R.); (J.C.A.)
| | - You Wang
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, ON N1G 2W1, Canada; (Y.W.); (R.T.M.)
| | - Robert T. Mullen
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, ON N1G 2W1, Canada; (Y.W.); (R.T.M.)
| | - Conner J. Rogan
- Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331, USA; (C.B.); (K.H.); (C.J.R.); (J.C.A.)
| | - Jeffrey C. Anderson
- Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331, USA; (C.B.); (K.H.); (C.J.R.); (J.C.A.)
| | - Aymeric Goyer
- Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331, USA; (C.B.); (K.H.); (C.J.R.); (J.C.A.)
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Sharma P, Lakra N, Goyal A, Ahlawat YK, Zaid A, Siddique KHM. Drought and heat stress mediated activation of lipid signaling in plants: a critical review. FRONTIERS IN PLANT SCIENCE 2023; 14:1216835. [PMID: 37636093 PMCID: PMC10450635 DOI: 10.3389/fpls.2023.1216835] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 07/19/2023] [Indexed: 08/29/2023]
Abstract
Lipids are a principal component of plasma membrane, acting as a protective barrier between the cell and its surroundings. Abiotic stresses such as drought and temperature induce various lipid-dependent signaling responses, and the membrane lipids respond differently to environmental challenges. Recent studies have revealed that lipids serve as signal mediators forreducing stress responses in plant cells and activating defense systems. Signaling lipids, such as phosphatidic acid, phosphoinositides, sphingolipids, lysophospholipids, oxylipins, and N-acylethanolamines, are generated in response to stress. Membrane lipids are essential for maintaining the lamellar stack of chloroplasts and stabilizing chloroplast membranes under stress. However, the effects of lipid signaling targets in plants are not fully understood. This review focuses on the synthesis of various signaling lipids and their roles in abiotic stress tolerance responses, providing an essential perspective for further investigation into the interactions between plant lipids and abiotic stress.
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Affiliation(s)
- Parul Sharma
- Department of Botany and Plant Physiology, Chaudhary Charan Singh Haryana Agricultural University, Hisar, Haryana, India
| | - Nita Lakra
- Department of Molecular Biology, Biotechnology and Bioinformatics, Chaudhary Charan Singh (CCS) Haryana Agricultural University, Hisar, India
| | - Alisha Goyal
- Division of Crop Improvement, Indian Council of Agricultural Research (ICAR)—Central Soil Salinity Research Institute, Karnal, India
| | - Yogesh K. Ahlawat
- Department of Biological Sciences, Michigan Technological University, Houghton, MI, United States
- Horticultural Sciences Department, University of Florida, Gainesville, FL, United States
| | - Abbu Zaid
- Plant Physiology and Biochemistry Section, Department of Botany, Aligarh Muslim University, Aligarh, India
- Department of Botany, Government Gandhi Memorial (GGM) Science College, Cluster University Jammu, Jammu, India
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Le Provost G, Lalanne C, Lesur I, Louvet JM, Delzon S, Kremer A, Labadie K, Aury JM, Da Silva C, Moritz T, Plomion C. Oak stands along an elevation gradient have different molecular strategies for regulating bud phenology. BMC PLANT BIOLOGY 2023; 23:108. [PMID: 36814198 PMCID: PMC9948485 DOI: 10.1186/s12870-023-04069-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 01/16/2023] [Indexed: 06/18/2023]
Abstract
BACKGROUND Global warming raises serious concerns about the persistence of species and populations locally adapted to their environment, simply because of the shift it produces in their adaptive landscape. For instance, the phenological cycle of tree species may be strongly affected by higher winter temperatures and late frost in spring. Given the variety of ecosystem services they provide, the question of forest tree adaptation has received increasing attention in the scientific community and catalyzed research efforts in ecology, evolutionary biology and functional genomics to study their adaptive capacity to respond to such perturbations. RESULTS In the present study, we used an elevation gradient in the Pyrenees Mountains to explore the gene expression network underlying dormancy regulation in natural populations of sessile oak stands sampled along an elevation cline and potentially adapted to different climatic conditions mainly driven by temperature. By performing analyses of gene expression in terminal buds we identified genes displaying significant dormancy, elevation or dormancy-by-elevation interaction effects. Our Results highlighted that low- and high-altitude populations have evolved different molecular strategies for minimizing late frost damage and maximizing the growth period, thereby increasing potentially their respective fitness in these contrasting environmental conditions. More particularly, population from high elevation overexpressed genes involved in the inhibition of cell elongation and delaying flowering time while genes involved in cell division and flowering, enabling buds to flush earlier were identified in population from low elevation. CONCLUSION Our study made it possible to identify key dormancy-by-elevation responsive genes revealing that the stands analyzed in this study have evolved distinct molecular strategies to adapt their bud phenology in response to temperature.
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Affiliation(s)
| | | | - Isabelle Lesur
- INRAE, Univ. Bordeaux, BIOGECO, F-33610, Cestas, France
- Helix Venture, F-33700, Mérignac, France
| | | | | | | | - Karine Labadie
- Genoscope, Institut François Jacob, CEA, Université Paris-Saclay, Evry, France
| | - Jean-Marc Aury
- Génomique Métabolique, Genoscope, Institut François Jacob, CEA, CNRS, Univ Evry, Université Paris-Saclay, 91057, Evry, France
| | - Corinne Da Silva
- Génomique Métabolique, Genoscope, Institut François Jacob, CEA, CNRS, Univ Evry, Université Paris-Saclay, 91057, Evry, France
| | - Thomas Moritz
- Department of Forest Genetics and Plant Physiology, Umeå Plant Science Centre, Swedish University of Agricultural Sciences, 901 87, Umeå, Sweden
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Li Q, Zhai W, Wei J, Jia Y. Rice lipid transfer protein, OsLTPL23, controls seed germination by regulating starch-sugar conversion and ABA homeostasis. Front Genet 2023; 14:1111318. [PMID: 36726806 PMCID: PMC9885049 DOI: 10.3389/fgene.2023.1111318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 01/02/2023] [Indexed: 01/18/2023] Open
Abstract
Seed germination is vital for ensuring the continuity of life in spermatophyte. High-quality seed germination usually represents good seedling establishment and plant production. Here, we identified OsLTPL23, a putative rice non-specific lipid transport protein, as an important regulator responsible for seed germination. Subcellular localization analysis confirmed that OsLTPL23 is present in the plasma membrane and nucleus. The knockout mutants of OsLTPL23 were generated by CRISPR/Cas9-mediated genome editing, and osltpl23 lines significantly germinated slower and lower than the Nipponbare (NIP). Starch and soluble sugar contents measurement showed that OsLTPL23 may have alpha-amylase inhibitor activity, and high soluble sugar content may be a causal agent for the delayed seed germination of osltpl23 mutants. Transcript profiles in the germinating seeds exhibited that the abscisic acid (ABA)-responsive genes, OsABI3 and OsABI5, and biosynthesis genes, OsNCED1, OsNCED2, OsNCED3 and OsNCED4, are obviously upregulated in the osltpl23 mutants compared to NIP plants, conversely, ABA metabolism genes OsABA8ox1, OsABA8ox2 and OsABA8ox3 are stepwise decreased. Further investigations found that osltpl23 mutants displays weakened early seedling growth, with elevated gene expresssion of ABA catabolism genes and repressive transcription response of defence-related genes OsWRKY45, OsEiN3, OsPR1a, OsPR1b and OsNPR1. Integrated analysis indicated that OsLTPL23 may exert an favorable effect on rice seed germination and early seedling growth via modulating endogenous ABA homeostasis. Collectively, our study provides important insights into the roles of OsLTPL23-mediated carbohydrate conversion and endogenous ABA pathway on seed germination and early seedling growth, which contributes to high-vigor seed production in rice breeding.
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Affiliation(s)
- Quanlin Li
- Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China
| | - Wenxue Zhai
- Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China
| | - Jiaping Wei
- State Key Laboratory of Aridland Crop Science, Gansu Agricultural University, Lanzhou, China
| | - Yanfeng Jia
- Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China,*Correspondence: Yanfeng Jia,
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Melnikova DN, Finkina EI, Bogdanov IV, Tagaev AA, Ovchinnikova TV. Features and Possible Applications of Plant Lipid-Binding and Transfer Proteins. MEMBRANES 2022; 13:2. [PMID: 36676809 PMCID: PMC9866449 DOI: 10.3390/membranes13010002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/09/2022] [Accepted: 12/14/2022] [Indexed: 06/17/2023]
Abstract
In plants, lipid trafficking within and inside the cell is carried out by lipid-binding and transfer proteins. Ligands for these proteins are building and signaling lipid molecules, secondary metabolites with different biological activities due to which they perform diverse functions in plants. Many different classes of such lipid-binding and transfer proteins have been found, but the most common and represented in plants are lipid transfer proteins (LTPs), pathogenesis-related class 10 (PR-10) proteins, acyl-CoA-binding proteins (ACBPs), and puroindolines (PINs). A low degree of amino acid sequence homology but similar spatial structures containing an internal hydrophobic cavity are common features of these classes of proteins. In this review, we summarize the latest known data on the features of these protein classes with particular focus on their ability to bind and transfer lipid ligands. We analyzed the structural features of these proteins, the diversity of their possible ligands, the key amino acids participating in ligand binding, the currently known mechanisms of ligand binding and transferring, as well as prospects for possible application.
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Affiliation(s)
- Daria N. Melnikova
- M.M. Shemyakin & Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, the Russian Academy of Sciences, Miklukho-Maklaya Str., 16/10, 117997 Moscow, Russia
- Phystech School of Biological and Medical Physics, Moscow Institute of Physics and Technology (State University), 141701 Dolgoprudny, Russia
| | - Ekaterina I. Finkina
- M.M. Shemyakin & Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, the Russian Academy of Sciences, Miklukho-Maklaya Str., 16/10, 117997 Moscow, Russia
| | - Ivan V. Bogdanov
- M.M. Shemyakin & Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, the Russian Academy of Sciences, Miklukho-Maklaya Str., 16/10, 117997 Moscow, Russia
| | - Andrey A. Tagaev
- M.M. Shemyakin & Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, the Russian Academy of Sciences, Miklukho-Maklaya Str., 16/10, 117997 Moscow, Russia
| | - Tatiana V. Ovchinnikova
- M.M. Shemyakin & Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, the Russian Academy of Sciences, Miklukho-Maklaya Str., 16/10, 117997 Moscow, Russia
- Phystech School of Biological and Medical Physics, Moscow Institute of Physics and Technology (State University), 141701 Dolgoprudny, Russia
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11
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Gao H, Ma K, Ji G, Pan L, Zhou Q. Lipid transfer proteins involved in plant-pathogen interactions and their molecular mechanisms. MOLECULAR PLANT PATHOLOGY 2022; 23:1815-1829. [PMID: 36052490 PMCID: PMC9644281 DOI: 10.1111/mpp.13264] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 08/05/2022] [Accepted: 08/15/2022] [Indexed: 06/15/2023]
Abstract
Nonspecific lipid transfer proteins (LTPs) are small, cysteine-rich proteins that play numerous functional roles in plant growth and development, including cutin wax formation, pollen tube adhesion, cell expansion, seed development, germination, and adaptation to changing environmental conditions. LTPs contain eight conserved cysteine residues and a hydrophobic cavity that provides a wide variety of lipid-binding specificities. As members of the pathogenesis-related protein 14 family (PR14), many LTPs inhibit fungal or bacterial growth, and act as positive regulators in plant disease resistance. Over the past decade, these essential immunity-related roles of LTPs in plant immune processes have been documented in a growing body of literature. In this review, we summarize the roles of LTPs in plant-pathogen interactions, emphasizing the underlying molecular mechanisms in plant immune responses and specific LTP functions.
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Affiliation(s)
- Hang Gao
- College of Biology and FoodShangqiu Normal UniversityShangqiuHenanChina
| | - Kang Ma
- College of Biology and FoodShangqiu Normal UniversityShangqiuHenanChina
| | - Guojie Ji
- Experimental Teaching Center of Biology and Basic MedicineSanquan College of Xinxiang Medical UniversityXinxiangHenanChina
| | - Liying Pan
- College of Biology and FoodShangqiu Normal UniversityShangqiuHenanChina
| | - Qingfeng Zhou
- College of Biology and FoodShangqiu Normal UniversityShangqiuHenanChina
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Deng J, Sun W, Zhang B, Sun S, Xia L, Miao Y, He L, Lindsey K, Yang X, Zhang X. GhTCE1-GhTCEE1 dimers regulate transcriptional reprogramming during wound-induced callus formation in cotton. THE PLANT CELL 2022; 34:4554-4568. [PMID: 35972347 PMCID: PMC9614502 DOI: 10.1093/plcell/koac252] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 08/02/2022] [Indexed: 06/15/2023]
Abstract
Wounded plant cells can form callus to seal the wound site. Alternatively, wounding can cause adventitious organogenesis or somatic embryogenesis. These distinct developmental pathways require specific cell fate decisions. Here, we identify GhTCE1, a basic helix-loop-helix family transcription factor, and its interacting partners as a central regulatory module of early cell fate transition during in vitro dedifferentiation of cotton (Gossypium hirsutum). RNAi- or CRISPR/Cas9-mediated loss of GhTCE1 function resulted in excessive accumulation of reactive oxygen species (ROS), arrested callus cell elongation, and increased adventitious organogenesis. In contrast, GhTCE1-overexpressing tissues underwent callus cell growth, but organogenesis was repressed. Transcriptome analysis revealed that several pathways depend on proper regulation of GhTCE1 expression, including lipid transfer pathway components, ROS homeostasis, and cell expansion. GhTCE1 bound to the promoters of the target genes GhLTP2 and GhLTP3, activating their expression synergistically, and the heterodimer TCE1-TCEE1 enhances this activity. GhLTP2- and GhLTP3-deficient tissues accumulated ROS and had arrested callus cell elongation, which was restored by ROS scavengers. These results reveal a unique regulatory network involving ROS and lipid transfer proteins, which act as potential ROS scavengers. This network acts as a switch between unorganized callus growth and organized development during in vitro dedifferentiation of cotton cells.
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Affiliation(s)
| | | | - Boyang Zhang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China
| | - Simin Sun
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China
| | - Linjie Xia
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China
| | - Yuhuan Miao
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China
| | - Liangrong He
- Authors for correspondence: (X.Y.), (L.K.), (L.H.)
| | | | - Xiyan Yang
- Authors for correspondence: (X.Y.), (L.K.), (L.H.)
| | - Xianlong Zhang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China
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Luo J, Huang S, Wang M, Zhang R, Zhao D, Yang Y, Wang F, Wang Z, Tang R, Wang L, Xiao H, Yang B, Li C. Characterization of the Transcriptome and Proteome of Brassica napus Reveals the Close Relation between DW871 Dwarfing Phenotype and Stalk Tissue. PLANTS (BASEL, SWITZERLAND) 2022; 11:413. [PMID: 35161394 PMCID: PMC8838640 DOI: 10.3390/plants11030413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 01/29/2022] [Accepted: 01/29/2022] [Indexed: 06/14/2023]
Abstract
Rapeseed is a significant oil-bearing cash crop. As a hybrid crop, Brassica napus L. produces a high yield, but it also has drawbacks such as a tall stalk, easy lodging, and is not suitable for mechanized production. To address these concerns, we created the DW871 rapeseed dwarf variety, which has a high yield, high oil content, and is suitable for mechanized production. To fully comprehend the dwarfing mechanism of DW871 and provide a theoretical foundation for future applications of the variety, we used transcriptome and proteome sequencing to identify genes and proteins associated with the dwarfing phenotype, using homologous high-stalk material HW871 as a control. By RNA-seq and iTRAQ, we discovered 8665 DEGs and 50 DAPs. Comprehensive transcription and translation level analysis revealed 25 correlations, 23 of which have the same expression trend, involving monolignin synthesis, pectin-lignin assembly, lignification, glucose modification, cell wall composition and architecture, cell morphology, vascular bundle development, and stalk tissue composition and architecture. As a result of these results, we can formulate a hypothesis about the DW871 dwarfing phenotype: plant hormone signal transduction, such as IAA and BRs, is linked to the formation of dwarf phenotypes, and metabolic pathways related to lignin synthesis, such as phenylpropane biosynthesis, also play a role. Our works will contribute to a better understanding of the genes and proteins involved in the rapeseed dwarf phenotype, and we will propose new insights into the dwarfing mechanism of Brassica napus L.
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Affiliation(s)
- Jing Luo
- Guizhou Oil Crops Institute, Guizhou Academy of Agriculture Sciences, No. 502 Xinzhong Road, Jinxin Community, Huaxi District, Guiyang 550006, China; (J.L.); (S.H.); (Y.Y.); (F.W.); (Z.W.); (R.T.); (L.W.); (H.X.); (B.Y.)
- School of Life Sciences, Guizhou Normal University, Huaxi University City, Gui’an New District, Guiyang 550025, China;
- Guizhou Plant Conservation Technology Center, Guizhou Academy of Agricultural Sciences, No. 502 Xinzhong Road, Jinxin Community, Huaxi District, Guiyang 550006, China;
| | - Sha Huang
- Guizhou Oil Crops Institute, Guizhou Academy of Agriculture Sciences, No. 502 Xinzhong Road, Jinxin Community, Huaxi District, Guiyang 550006, China; (J.L.); (S.H.); (Y.Y.); (F.W.); (Z.W.); (R.T.); (L.W.); (H.X.); (B.Y.)
- Guizhou Plant Conservation Technology Center, Guizhou Academy of Agricultural Sciences, No. 502 Xinzhong Road, Jinxin Community, Huaxi District, Guiyang 550006, China;
| | - Min Wang
- School of Life Sciences, Guizhou Normal University, Huaxi University City, Gui’an New District, Guiyang 550025, China;
| | - Ruimao Zhang
- Guizhou Rapeseed Institute, Guizhou Academy of Agriculture Sciences, No. 111 Duyun Road, Guanshanhu District, Guiyang 520115, China;
| | - Degang Zhao
- Guizhou Plant Conservation Technology Center, Guizhou Academy of Agricultural Sciences, No. 502 Xinzhong Road, Jinxin Community, Huaxi District, Guiyang 550006, China;
- Key Laboratory of Plant Resources Conservation and Germplasm Innovation Center for Mountainous Region (Ministry of Education), Institute of Agro-Bioengineering, College of Life Sciences, Guizhou University, 2708 Huaxi Avenue South Section, Huaxi District, Guiyang 550025, China
| | - Yuanyu Yang
- Guizhou Oil Crops Institute, Guizhou Academy of Agriculture Sciences, No. 502 Xinzhong Road, Jinxin Community, Huaxi District, Guiyang 550006, China; (J.L.); (S.H.); (Y.Y.); (F.W.); (Z.W.); (R.T.); (L.W.); (H.X.); (B.Y.)
- Guizhou Plant Conservation Technology Center, Guizhou Academy of Agricultural Sciences, No. 502 Xinzhong Road, Jinxin Community, Huaxi District, Guiyang 550006, China;
- Key Laboratory of Plant Resources Conservation and Germplasm Innovation Center for Mountainous Region (Ministry of Education), Institute of Agro-Bioengineering, College of Life Sciences, Guizhou University, 2708 Huaxi Avenue South Section, Huaxi District, Guiyang 550025, China
| | - Fang Wang
- Guizhou Oil Crops Institute, Guizhou Academy of Agriculture Sciences, No. 502 Xinzhong Road, Jinxin Community, Huaxi District, Guiyang 550006, China; (J.L.); (S.H.); (Y.Y.); (F.W.); (Z.W.); (R.T.); (L.W.); (H.X.); (B.Y.)
- Guizhou Plant Conservation Technology Center, Guizhou Academy of Agricultural Sciences, No. 502 Xinzhong Road, Jinxin Community, Huaxi District, Guiyang 550006, China;
- Key Laboratory of Plant Resources Conservation and Germplasm Innovation Center for Mountainous Region (Ministry of Education), Institute of Agro-Bioengineering, College of Life Sciences, Guizhou University, 2708 Huaxi Avenue South Section, Huaxi District, Guiyang 550025, China
| | - Zhuanzhuan Wang
- Guizhou Oil Crops Institute, Guizhou Academy of Agriculture Sciences, No. 502 Xinzhong Road, Jinxin Community, Huaxi District, Guiyang 550006, China; (J.L.); (S.H.); (Y.Y.); (F.W.); (Z.W.); (R.T.); (L.W.); (H.X.); (B.Y.)
- Guizhou Plant Conservation Technology Center, Guizhou Academy of Agricultural Sciences, No. 502 Xinzhong Road, Jinxin Community, Huaxi District, Guiyang 550006, China;
- Key Laboratory of Plant Resources Conservation and Germplasm Innovation Center for Mountainous Region (Ministry of Education), Institute of Agro-Bioengineering, College of Life Sciences, Guizhou University, 2708 Huaxi Avenue South Section, Huaxi District, Guiyang 550025, China
| | - Rong Tang
- Guizhou Oil Crops Institute, Guizhou Academy of Agriculture Sciences, No. 502 Xinzhong Road, Jinxin Community, Huaxi District, Guiyang 550006, China; (J.L.); (S.H.); (Y.Y.); (F.W.); (Z.W.); (R.T.); (L.W.); (H.X.); (B.Y.)
| | - Lulu Wang
- Guizhou Oil Crops Institute, Guizhou Academy of Agriculture Sciences, No. 502 Xinzhong Road, Jinxin Community, Huaxi District, Guiyang 550006, China; (J.L.); (S.H.); (Y.Y.); (F.W.); (Z.W.); (R.T.); (L.W.); (H.X.); (B.Y.)
| | - Huagui Xiao
- Guizhou Oil Crops Institute, Guizhou Academy of Agriculture Sciences, No. 502 Xinzhong Road, Jinxin Community, Huaxi District, Guiyang 550006, China; (J.L.); (S.H.); (Y.Y.); (F.W.); (Z.W.); (R.T.); (L.W.); (H.X.); (B.Y.)
| | - Bin Yang
- Guizhou Oil Crops Institute, Guizhou Academy of Agriculture Sciences, No. 502 Xinzhong Road, Jinxin Community, Huaxi District, Guiyang 550006, China; (J.L.); (S.H.); (Y.Y.); (F.W.); (Z.W.); (R.T.); (L.W.); (H.X.); (B.Y.)
| | - Chao Li
- Guizhou Oil Crops Institute, Guizhou Academy of Agriculture Sciences, No. 502 Xinzhong Road, Jinxin Community, Huaxi District, Guiyang 550006, China; (J.L.); (S.H.); (Y.Y.); (F.W.); (Z.W.); (R.T.); (L.W.); (H.X.); (B.Y.)
- Guizhou Plant Conservation Technology Center, Guizhou Academy of Agricultural Sciences, No. 502 Xinzhong Road, Jinxin Community, Huaxi District, Guiyang 550006, China;
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Fine Mapping and Candidate Gene Prediction of Tuber Shape Controlling Ro Locus Based on Integrating Genetic and Transcriptomic Analyses in Potato. Int J Mol Sci 2022; 23:ijms23031470. [PMID: 35163389 PMCID: PMC8836246 DOI: 10.3390/ijms23031470] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/25/2022] [Accepted: 01/26/2022] [Indexed: 12/10/2022] Open
Abstract
Tuber shape is one of the most important quality traits in potato appearance. Since poor or irregular shape results in higher costs for processing and influences the consumers’ willingness to purchase, breeding for shape uniformity and shallow eye depth is highly important. Previous studies showed that the major round tuber shape controlling locus, the Ro locus, is located on chromosome 10. However, fine mapping and cloning of tuber shape genes have not been reported. In this study, the analyses of tissue sectioning and transcriptome sequencing showed that the developmental differences between round and elongated tuber shapes begin as early as the hook stage of the stolon. To fine map tuber shape genes, a high-density genetic linkage map of the Ro region on chromosome 10 based on a diploid segregating population was constructed. The total length of the genetic linkage map was 25.8 cM and the average marker interval was 1.98 cM. Combined with phenotypic data collected from 2014 to 2017, one major quantitative trait locus (QTL) for tuber shape was identified, which explained 61.7–72.9% of the tuber shape variation. Through the results of genotyping and phenotypic investigation of recombinant individuals, Ro was fine mapped in a 193.43 kb interval, which contained 18 genes. Five candidate genes were preliminarily predicted based on tissue sections and transcriptome sequencing. This study provides an important basis for cloning Ro gene(s).
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Wei H, Movahedi A, Liu G, Zhu S, Chen Y, Yu C, Zhong F, Zhang J. Characteristics, expression profile, and function of non-specific lipid transfer proteins of Populus trichocarpa. Int J Biol Macromol 2022; 202:468-481. [PMID: 35063485 DOI: 10.1016/j.ijbiomac.2022.01.058] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 01/01/2022] [Accepted: 01/10/2022] [Indexed: 11/16/2022]
Abstract
Plant non-specific lipid transfer proteins (nsLTPs) are involved in various physiological processes. However, the characteristics and function of LTPs in Populus trichocarpa are unclear. Here, we report the functional properties of type IV, V, and VI P. trichocarpa nsLTPs (PtLTPs). The IV, V, and VI PtLTPs clustered in the same clade shared similar gene structures and motif and distributions. Also, collinearity analysis revealed 2 and 7 gene pairs have tandem duplication and segmental duplication events, respectively. The expression patterns of type IV, V, and VI PtLTPs differed among poplar tissues. We investigated the effects of various stresses on the Potri.010G100600, Potri.010G196300, and Potri.016G104300 (type V LTPs) mRNA levels, and type V LTPs can respond to multiple stresses. Potri.008G061800 was localized to the cell wall, extracellular space, and plasma membrane. Glutathione-S-transferase-Potri.008G061800 obtained by prokaryotic expression had weakly inhibited the growth of Septotis populiperda in vitro. Taken together, our data show that type IV, V, and VI PtLTPs may be thought as novel regulators of plant stresses. They could be considered an effective genetic resource for molecular breeding in poplar.
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Affiliation(s)
- Hui Wei
- Key Laboratory of Landscape Plant Genetics and Breeding, School of Life Sciences, Nantong University, Nantong, Jiangsu 226001, China
| | - Ali Movahedi
- Co-Innovation Center for Sustainable Forestry in Southern China, Key Laboratory of Forest Genetics & Biotechnology, Ministry of Education, College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China; College of Arts and Sciences, Arlington International University, Wilmington, DE 19804, USA.
| | - Guoyuan Liu
- Key Laboratory of Landscape Plant Genetics and Breeding, School of Life Sciences, Nantong University, Nantong, Jiangsu 226001, China
| | - Sheng Zhu
- Co-Innovation Center for Sustainable Forestry in Southern China, Key Laboratory of Forest Genetics & Biotechnology, Ministry of Education, College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China
| | - Yanhong Chen
- Key Laboratory of Landscape Plant Genetics and Breeding, School of Life Sciences, Nantong University, Nantong, Jiangsu 226001, China
| | - Chunmei Yu
- Key Laboratory of Landscape Plant Genetics and Breeding, School of Life Sciences, Nantong University, Nantong, Jiangsu 226001, China
| | - Fei Zhong
- Key Laboratory of Landscape Plant Genetics and Breeding, School of Life Sciences, Nantong University, Nantong, Jiangsu 226001, China
| | - Jian Zhang
- Key Laboratory of Landscape Plant Genetics and Breeding, School of Life Sciences, Nantong University, Nantong, Jiangsu 226001, China.
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16
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Missaoui K, Gonzalez-Klein Z, Pazos-Castro D, Hernandez-Ramirez G, Garrido-Arandia M, Brini F, Diaz-Perales A, Tome-Amat J. Plant non-specific lipid transfer proteins: An overview. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2022; 171:115-127. [PMID: 34992048 DOI: 10.1016/j.plaphy.2021.12.026] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 12/21/2021] [Accepted: 12/23/2021] [Indexed: 05/26/2023]
Abstract
Plant non-specific lipid transfer proteins (nsLTPs) are usually defined as small, basic proteins, with a wide distribution in all orders of higher plants. Structurally, nsLTPs contain a conserved motif of eight cysteines, linked by four disulphide bonds, and a hydrophobic cavity in which the ligand is housed. This structure confers stability and enhances the ability to bind and transport a variety of hydrophobic molecules. Their highly conserved structural resemblance but low sequence identity reflects the wide variety of ligands they can carry, as well as the broad biological functions to which they are linked to, such as membrane stabilization, cell wall organization and signal transduction. In addition, they have also been described as essential in resistance to biotic and abiotic stresses, plant growth and development, seed development, and germination. Hence, there is growing interest in this family of proteins for their critical roles in plant development and for the many unresolved questions that need to be clarified, regarding their subcellular localization, transfer capacity, expression profile, biological function, and evolution.
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Affiliation(s)
- Khawla Missaoui
- Laboratory of Biotechnology and Plant Improvement, Centre of Biotechnology of Sfax (CBS), University of Sfax, Tunisia
| | - Zulema Gonzalez-Klein
- Centro de Biotecnología y Genómica de Plantas (CBGP), Universidad Politécnica de Madrid (UPM), Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Spain; Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, Universidad Politécnica de Madrid (UPM), Spain
| | - Diego Pazos-Castro
- Centro de Biotecnología y Genómica de Plantas (CBGP), Universidad Politécnica de Madrid (UPM), Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Spain; Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, Universidad Politécnica de Madrid (UPM), Spain
| | - Guadalupe Hernandez-Ramirez
- Centro de Biotecnología y Genómica de Plantas (CBGP), Universidad Politécnica de Madrid (UPM), Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Spain; Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, Universidad Politécnica de Madrid (UPM), Spain
| | - Maria Garrido-Arandia
- Centro de Biotecnología y Genómica de Plantas (CBGP), Universidad Politécnica de Madrid (UPM), Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Spain; Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, Universidad Politécnica de Madrid (UPM), Spain
| | - Faical Brini
- Laboratory of Biotechnology and Plant Improvement, Centre of Biotechnology of Sfax (CBS), University of Sfax, Tunisia
| | - Araceli Diaz-Perales
- Centro de Biotecnología y Genómica de Plantas (CBGP), Universidad Politécnica de Madrid (UPM), Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Spain; Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, Universidad Politécnica de Madrid (UPM), Spain
| | - Jaime Tome-Amat
- Centro de Biotecnología y Genómica de Plantas (CBGP), Universidad Politécnica de Madrid (UPM), Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Spain.
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Liang Y, Huang Y, Chen K, Kong X, Li M. Characterization of non-specific lipid transfer protein (nsLtp) gene families in the Brassica napus pangenome reveals abundance variation. BMC PLANT BIOLOGY 2022; 22:21. [PMID: 34996379 PMCID: PMC8740461 DOI: 10.1186/s12870-021-03408-5] [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: 06/04/2021] [Accepted: 12/15/2021] [Indexed: 05/13/2023]
Abstract
BACKGROUND Brassica napus is an important agricultural species, improving stress resistance was one of the main breeding goals at present. Non-specific lipid transfer proteins (nsLTPs) are small, basic proteins which are involved in some biotic or abiotic stress responses. B. napus is susceptible to a variety of fungal diseases, so identify the BnLTPs and their expression in disease responses is very important. The common reference genome of B. napus does not contain all B. napus genes because of gene presence/absence variations between individuals. Therefore, it was necessary to search for candidate BnLTP genes in the B. napus pangenome. RESULTS In the present study, the BnLTP genes were identified throughout the pangenome, and different BnLTP genes were presented among varieties. Totally, 246 BnLTP genes were identified and could be divided into five types (1, 2, C, D, and G). The classification, phylogenetic reconstruction, chromosome distribution, functional annotation, and gene expression were analyzed. We also identified potential cis-elements that respond to biotic and abiotic stresses in the 2 kb upstream regions of all BnLTP genes. RNA sequencing analysis showed that the BnLTP genes were involved in the response to Sclerotinia sclerotiorum infection. We identified 32 BnLTPs linked to blackleg resistance quantitative trait locus (QTL). CONCLUSION The identification and analysis of LTP genes in the B. napus pangenome could help to elucidate the function of BnLTP family members and provide new information for future molecular breeding in B. napus.
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Affiliation(s)
- Yu Liang
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection, Guangxi Key Laboratory of Landscape Resources Conservation and Sustainable Utilization in Lijiang River Basin, College of Life Science, Guangxi Normal University, Guilin, China.
| | - Yang Huang
- School of Mechanical and Electrical Engineering, Guilin University of Electronic Technology, Guilin, China
| | - Kang Chen
- Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China
| | - Xiangdong Kong
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection, Guangxi Key Laboratory of Landscape Resources Conservation and Sustainable Utilization in Lijiang River Basin, College of Life Science, Guangxi Normal University, Guilin, China
| | - Maoteng Li
- Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, China.
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Borovsky Y, Raz A, Doron-Faigenboim A, Zemach H, Karavani E, Paran I. Pepper Fruit Elongation Is Controlled by Capsicum annuum Ovate Family Protein 20. FRONTIERS IN PLANT SCIENCE 2022; 12:815589. [PMID: 35058962 PMCID: PMC8763684 DOI: 10.3389/fpls.2021.815589] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 12/02/2021] [Indexed: 05/28/2023]
Abstract
Fruit shape is one of the most important quality traits of pepper (Capsicum spp.) and is used as a major attribute for the classification of fruit types. Wide natural variation in fruit shape exists among the major cultivated species Capsicum annuum, allowing the identification of several QTLs controlling the trait. However, to date, no genes underlying fruit shape QTLs have been conclusively identified, nor has their function been verified in pepper. We constructed a mapping population from a cross of round- and elongated-fruited C. annuum parents and identified a single major QTL on chromosome 10, termed fs10, explaining 68 and 70% of the phenotypic variation for fruit shape index and for distal fruit end angle, respectively. The QTL was mapped in several generations and was localized to a 5 Mbp region containing the ortholog of SlOFP20 that suppresses fruit elongation in tomato. Virus-induced gene silencing of the pepper ortholog CaOFP20 resulted in increased fruit elongation on two independent backgrounds. Furthermore, CaOFP20 exhibited differential expression in fs10 near-isogenic lines, as well as in an association panel of elongated- and round-fruited accessions. A 42-bp deletion in the upstream region of CaOFP20 was most strongly associated with fruit shape variation within the locus. Histological observations in ovaries and fruit pericarps indicated that fs10 exerts its effect on fruit elongation by controlling cell expansion and replication. Our results indicate that CaOFP20 functions as a suppressor of fruit elongation in C. annuum and is the most likely candidate gene underlying fs10.
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Assessment of antimicrobial phytopeptides: lipid transfer protein and hevein-like peptide in the prospect of structure, function and allergenic effect. BENI-SUEF UNIVERSITY JOURNAL OF BASIC AND APPLIED SCIENCES 2021. [DOI: 10.1186/s43088-021-00158-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Antimicrobial peptides (AMPs) are unique natural antibiotics that are crucial effectors of innate immune systems in almost all living organisms. Several different plant antimicrobial peptides have been identified and isolated, demonstrating a high level of protection against various types of bacteria, insects, nematodes and other microbes. Along with antimicrobial function, these peptides play a wide range of crucial function in plants, such as regulation of stomata, ion channel, heavy metals and membrane fluidity.
Main body
Antimicrobial peptides show a continuum of toxicity for a variety of plants and animals pathogenic microbes and even show cytotoxicity against cancer cells. Numerous studies have shown that transgenic plants have increased the expression of AMP-encoding genes in response to biotic and abiotic stresses, and plants that express transgenic AMP genes are more responsive to biotic, abiotic and other functions. In addition to being a molecule with protective properties, various allergic reactions are associated with some phytopeptides and proteins, in particular non-specific lipid transfer protein (nsLTP) and peptide-like hevein. Pru p3 from peach is the most clinically important allergen within the nsLTP family that cause real food allergies and also triggers extreme clinical reactions. Similarly, latex-fruit syndrome was primarily associated with well-studied latex allergen Hevein (Hev b8, Hev b6) and class I chitinases.
Short conclusions
Several findings have shown that, in the near future, transgenic plants based on AMPs against the verity of pathogenic fungi, bacteria and other abiotic stresses will be released without any adverse effects. Recent study reason that association of lipid with nsLTP enhances allergic sensitization and hevein-like domain of chitinase I essentially plays a role in cross-sensitivity of latex with different fruits and nuts. This review discusses the structures and various functions of lipid transfer protein and hevein-like peptide.
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20
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Amador VC, dos Santos-Silva CA, Vilela LMB, Oliveira-Lima M, de Santana Rêgo M, Roldan-Filho RS, de Oliveira-Silva RL, Lemos AB, de Oliveira WD, Ferreira-Neto JRC, Crovella S, Benko-Iseppon AM. Lipid Transfer Proteins (LTPs)-Structure, Diversity and Roles beyond Antimicrobial Activity. Antibiotics (Basel) 2021; 10:1281. [PMID: 34827219 PMCID: PMC8615156 DOI: 10.3390/antibiotics10111281] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 10/01/2021] [Accepted: 10/12/2021] [Indexed: 01/21/2023] Open
Abstract
Lipid transfer proteins (LTPs) are among the most promising plant-exclusive antimicrobial peptides (AMPs). They figure among the most challenging AMPs from the point of view of their structural diversity, functions and biotechnological applications. This review presents a current picture of the LTP research, addressing not only their structural, evolutionary and further predicted functional aspects. Traditionally, LTPs have been identified by their direct isolation by biochemical techniques, whereas omics data and bioinformatics deserve special attention for their potential to bring new insights. In this context, new possible functions have been identified revealing that LTPs are actually multipurpose, with many additional predicted roles. Despite some challenges due to the toxicity and allergenicity of LTPs, a systematic review and search in patent databases, indicate promising perspectives for the biotechnological use of LTPs in human health and also plant defense.
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Affiliation(s)
- Vinícius Costa Amador
- Bioscience Centre, Genetics Department, Universidade Federal de Pernambuco, Recife 50670-420, Brazil; (V.C.A.); (L.M.B.V.); (M.O.-L.); (M.d.S.R.); (R.S.R.-F.); (A.B.L.); (W.D.d.O.); (J.R.C.F.-N.)
| | - Carlos André dos Santos-Silva
- Department of Advanced Diagnostics, Institute for Maternal and Child Health-IRCCS, Burlo Garofolo, 34100 Trieste, Italy;
| | - Lívia Maria Batista Vilela
- Bioscience Centre, Genetics Department, Universidade Federal de Pernambuco, Recife 50670-420, Brazil; (V.C.A.); (L.M.B.V.); (M.O.-L.); (M.d.S.R.); (R.S.R.-F.); (A.B.L.); (W.D.d.O.); (J.R.C.F.-N.)
| | - Marx Oliveira-Lima
- Bioscience Centre, Genetics Department, Universidade Federal de Pernambuco, Recife 50670-420, Brazil; (V.C.A.); (L.M.B.V.); (M.O.-L.); (M.d.S.R.); (R.S.R.-F.); (A.B.L.); (W.D.d.O.); (J.R.C.F.-N.)
| | - Mireli de Santana Rêgo
- Bioscience Centre, Genetics Department, Universidade Federal de Pernambuco, Recife 50670-420, Brazil; (V.C.A.); (L.M.B.V.); (M.O.-L.); (M.d.S.R.); (R.S.R.-F.); (A.B.L.); (W.D.d.O.); (J.R.C.F.-N.)
| | - Ricardo Salas Roldan-Filho
- Bioscience Centre, Genetics Department, Universidade Federal de Pernambuco, Recife 50670-420, Brazil; (V.C.A.); (L.M.B.V.); (M.O.-L.); (M.d.S.R.); (R.S.R.-F.); (A.B.L.); (W.D.d.O.); (J.R.C.F.-N.)
| | - Roberta Lane de Oliveira-Silva
- General Microbiology Laboratory, Agricultural Science Campus, Universidade Federal do Vale do São Francisco, Petrolina 56300-990, Brazil;
| | - Ayug Bezerra Lemos
- Bioscience Centre, Genetics Department, Universidade Federal de Pernambuco, Recife 50670-420, Brazil; (V.C.A.); (L.M.B.V.); (M.O.-L.); (M.d.S.R.); (R.S.R.-F.); (A.B.L.); (W.D.d.O.); (J.R.C.F.-N.)
| | - Wilson Dias de Oliveira
- Bioscience Centre, Genetics Department, Universidade Federal de Pernambuco, Recife 50670-420, Brazil; (V.C.A.); (L.M.B.V.); (M.O.-L.); (M.d.S.R.); (R.S.R.-F.); (A.B.L.); (W.D.d.O.); (J.R.C.F.-N.)
| | - José Ribamar Costa Ferreira-Neto
- Bioscience Centre, Genetics Department, Universidade Federal de Pernambuco, Recife 50670-420, Brazil; (V.C.A.); (L.M.B.V.); (M.O.-L.); (M.d.S.R.); (R.S.R.-F.); (A.B.L.); (W.D.d.O.); (J.R.C.F.-N.)
| | - Sérgio Crovella
- Department of Biological and Environmental Sciences, College of Arts and Science, Qatar University, Doha 1883, Qatar;
| | - Ana Maria Benko-Iseppon
- Bioscience Centre, Genetics Department, Universidade Federal de Pernambuco, Recife 50670-420, Brazil; (V.C.A.); (L.M.B.V.); (M.O.-L.); (M.d.S.R.); (R.S.R.-F.); (A.B.L.); (W.D.d.O.); (J.R.C.F.-N.)
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21
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Dubas E, Żur I, Moravčiková J, Fodor J, Krzewska M, Surówka E, Nowicka A, Gerši Z. Proteins, Small Peptides and Other Signaling Molecules Identified as Inconspicuous but Possibly Important Players in Microspores Reprogramming Toward Embryogenesis. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2021. [DOI: 10.3389/fsufs.2021.745865] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
In this review, we describe and integrate the latest knowledge on the signaling role of proteins and peptides in the stress-induced microspore embryogenesis (ME) in some crop plants with agricultural importance (i.e., oilseed rape, tobacco, barley, wheat, rice, triticale, rye). Based on the results received from the most advanced omix analyses, we have selected some inconspicuous but possibly important players in microspores reprogramming toward embryogenic development. We provide an overview of the roles and downstream effect of stress-related proteins (e.g., β-1,3-glucanases, chitinases) and small signaling peptides, especially cysteine—(e.g., glutathione, γ-thionins, rapid alkalinization factor, lipid transfer, phytosulfokine) and glycine-rich peptides and other proteins (e.g., fasciclin-like arabinogalactan protein) on acclimation ability of microspores and the cell wall reconstruction in a context of ME induction and haploids/doubled haploids (DHs) production. Application of these molecules, stimulating the induction and proper development of embryo-like structures and green plant regeneration, brings significant improvement of the effectiveness of DHs procedures and could result in its wider incorporation on a commercial scale. Recent advances in the design and construction of synthetic peptides–mainly cysteine-rich peptides and their derivatives–have accelerated the development of new DNA-free genome-editing techniques. These new systems are evolving incredibly fast and soon will find application in many areas of plant science and breeding.
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Luo X, Wu W, Feng L, Treves H, Ren M. Short Peptides Make a Big Difference: The Role of Botany-Derived AMPs in Disease Control and Protection of Human Health. Int J Mol Sci 2021; 22:11363. [PMID: 34768793 PMCID: PMC8583512 DOI: 10.3390/ijms222111363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/16/2021] [Accepted: 10/19/2021] [Indexed: 11/17/2022] Open
Abstract
Botany-derived antimicrobial peptides (BAMPs), a class of small, cysteine-rich peptides produced in plants, are an important component of the plant immune system. Both in vivo and in vitro experiments have demonstrated their powerful antimicrobial activity. Besides in plants, BAMPs have cross-kingdom applications in human health, with toxic and/or inhibitory effects against a variety of tumor cells and viruses. With their diverse molecular structures, broad-spectrum antimicrobial activity, multiple mechanisms of action, and low cytotoxicity, BAMPs provide ideal backbones for drug design, and are potential candidates for plant protection and disease treatment. Lots of original research has elucidated the properties and antimicrobial mechanisms of BAMPs, and characterized their surface receptors and in vivo targets in pathogens. In this paper, we review and introduce five kinds of representative BAMPs belonging to the pathogenesis-related protein family, dissect their antifungal, antiviral, and anticancer mechanisms, and forecast their prospects in agriculture and global human health. Through the deeper understanding of BAMPs, we provide novel insights for their applications in broad-spectrum and durable plant disease prevention and control, and an outlook on the use of BAMPs in anticancer and antiviral drug design.
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Affiliation(s)
- Xiumei Luo
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu Agricultural Science and Technology Center, Chengdu 610000, China; (X.L.); (W.W.); (L.F.)
- Key Laboratory of Plant Hormones and Development Regulation of Chongqing, School of Life Sciences, Chongqing University, Chongqing 401331, China
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, School of Agricultural Science of Zhengzhou University, Zhengzhou 450000, China
| | - Wenxian Wu
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu Agricultural Science and Technology Center, Chengdu 610000, China; (X.L.); (W.W.); (L.F.)
| | - Li Feng
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu Agricultural Science and Technology Center, Chengdu 610000, China; (X.L.); (W.W.); (L.F.)
| | - Haim Treves
- School of Plant Sciences and Food Security, Tel-Aviv University, Tel-Aviv 69978, Israel;
| | - Maozhi Ren
- Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu Agricultural Science and Technology Center, Chengdu 610000, China; (X.L.); (W.W.); (L.F.)
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, School of Agricultural Science of Zhengzhou University, Zhengzhou 450000, China
- Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China
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23
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Tao Y, Zou T, Zhang X, Liu R, Chen H, Yuan G, Zhou D, Xiong P, He Z, Li G, Zhou M, Liu S, Deng Q, Wang S, Zhu J, Liang Y, Yu X, Zheng A, Wang A, Liu H, Wang L, Li P, Li S. Secretory lipid transfer protein OsLTPL94 acts as a target of EAT1 and is required for rice pollen wall development. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2021; 108:358-377. [PMID: 34314535 DOI: 10.1111/tpj.15443] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 07/21/2021] [Indexed: 06/13/2023]
Abstract
The plant pollen wall protects the male gametophyte from various biotic and abiotic stresses. The formation of a unique pollen wall structure and elaborate exine pattern is a well-organized process, which needs coordination between reproductive cells and the neighboring somatic cells. However, molecular mechanisms underlying this process remain largely unknown. Here, we report a rice male-sterile mutant (l94) that exhibits defective pollen exine patterning and abnormal tapetal cell development. MutMap and knockout analyses demonstrated that the causal gene encodes a type-G non-specific lipid transfer protein (OsLTPL94). Histological and cellular analyses established that OsLTPL94 is strongly expressed in the developing microspores and tapetal cells, and its protein is secreted to the plasma membrane. The l94 mutation impeded the secretory ability of OsLTPL94 protein. Further in vivo and in vitro investigations supported the hypothesis that ETERNAL TAPETUM 1 (EAT1), a basic helix-loop-helix transcription factor (bHLH TF), activated OsLTPL94 expression through direct binding to the E-box motif of the OsLTPL94 promoter, which was supported by the positive correlation between the expression of EAT1 and OsLTPL94 in two independent eat1 mutants. Our findings suggest that the secretory OsLTPL94 plays a key role in the coordinated development of tapetum and microspores with the regulation of EAT1.
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Affiliation(s)
- Yang Tao
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
| | - Ting Zou
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
- State Key Laboratory of Hybrid Rice, Rice Research Institute, Sichuan Agricultural University, Chengdu, 611130, China
| | - Xu Zhang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
| | - Rui Liu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
| | - Hao Chen
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
| | - Guoqiang Yuan
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
| | - Dan Zhou
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
| | - Pingping Xiong
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
| | - Zhiyuan He
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
| | - Gongwen Li
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
| | - Menglin Zhou
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
| | - Sijing Liu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
| | - Qiming Deng
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
- State Key Laboratory of Hybrid Rice, Rice Research Institute, Sichuan Agricultural University, Chengdu, 611130, China
| | - Shiquan Wang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
- State Key Laboratory of Hybrid Rice, Rice Research Institute, Sichuan Agricultural University, Chengdu, 611130, China
| | - Jun Zhu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
- State Key Laboratory of Hybrid Rice, Rice Research Institute, Sichuan Agricultural University, Chengdu, 611130, China
| | - Yueyang Liang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
- State Key Laboratory of Hybrid Rice, Rice Research Institute, Sichuan Agricultural University, Chengdu, 611130, China
| | - Xiumei Yu
- College of Resource, Sichuan Agricultural University, Chengdu, 611130, China
| | - Aiping Zheng
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
- State Key Laboratory of Hybrid Rice, Rice Research Institute, Sichuan Agricultural University, Chengdu, 611130, China
| | - Aijun Wang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
- State Key Laboratory of Hybrid Rice, Rice Research Institute, Sichuan Agricultural University, Chengdu, 611130, China
| | - Huainian Liu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
- State Key Laboratory of Hybrid Rice, Rice Research Institute, Sichuan Agricultural University, Chengdu, 611130, China
| | - Lingxia Wang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
- State Key Laboratory of Hybrid Rice, Rice Research Institute, Sichuan Agricultural University, Chengdu, 611130, China
| | - Ping Li
- State Key Laboratory of Hybrid Rice, Rice Research Institute, Sichuan Agricultural University, Chengdu, 611130, China
| | - Shuangcheng Li
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu, 611130, China
- State Key Laboratory of Hybrid Rice, Rice Research Institute, Sichuan Agricultural University, Chengdu, 611130, China
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Duo J, Xiong H, Wu X, Li Y, Si J, Zhang C, Duan R. Genome-wide identification and expression profile under abiotic stress of the barley non-specific lipid transfer protein gene family and its Qingke Orthologues. BMC Genomics 2021; 22:674. [PMID: 34544387 PMCID: PMC8451110 DOI: 10.1186/s12864-021-07958-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 08/29/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Plant non-specific lipid transfer proteins (nsLTPs), a group of small, basic ubiquitous proteins to participate in lipid transfer, cuticle formation and stress response, are involved in the regulation of plant growth and development. To date, although the nsLTP gene family of barley (Hordeum vulgare L.) has been preliminarily identified, it is still unclear in the recently completed genome database of barley and Qingke, and its transcriptional profiling under abiotic stress has not been elucidated as well. RESULTS We identified 40 barley nsLTP (HvLTP) genes through a strict screening strategy based on the latest barley genome and 35 Qingke nsLTP (HtLTP) orthologues using blastp, and these LTP genes were divided into four types (1, 2, D and G). At the same time, a comprehensive analysis of the physical and chemical characteristics, homology alignment, conserved motifs, gene structure and evolution of HvLTPs and HtLTPs further supported their similar nsLTP characteristics and classification. The genomic location of HvLTPs and HtLTPs showed that these genes were unevenly distributed, and obvious HvLTP and HtLTP gene clusters were found on the 7 chromosomes including six pairs of tandem repeats and one pair of segment repeats in the barley genome, indicating that these genes may be co-evolutionary and co-regulated. A spatial expression analysis showed that most HvLTPs and HtLTPs had different tissue-specific expression patterns. Moreover, the upstream cis-element analysis of HvLTPs and HtLTPs showed that there were many different stress-related transcriptional regulatory elements, and the expression pattern of HvLTPs and HtLTPs under abiotic stress also indicated that numerous HvLTP and HtLTP genes were related to the abiotic stress response. Taken together, these results may be due to the differences in promoters rather than by genes themselves resulting in different expression patterns under abiotic stress. CONCLUSION Due to a stringent screening and comprehensive analysis of the nsLTP gene family in barley and Qingke and its expression profile under abiotic stress, this study can be considered a useful source for the future studies of nsLTP genes in either barley or Qingke or for comparisons of different plant species.
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Affiliation(s)
- Jiecuo Duo
- College of Eco-Environmental Engineering, Qinghai University, Xining, 810016, Qinghai Province, China.,Qinghai Qaidam Vocational & Technical College, Delingha, 817000, Qinghai Province, China
| | - Huiyan Xiong
- College of Agriculture and Animal Husbandry, Qinghai University, Xining, 810016, Qinghai Province, China
| | - Xiongxiong Wu
- College of Eco-Environmental Engineering, Qinghai University, Xining, 810016, Qinghai Province, China
| | - Yuan Li
- College of Eco-Environmental Engineering, Qinghai University, Xining, 810016, Qinghai Province, China
| | - Jianping Si
- College of Eco-Environmental Engineering, Qinghai University, Xining, 810016, Qinghai Province, China
| | - Chao Zhang
- College of Eco-Environmental Engineering, Qinghai University, Xining, 810016, Qinghai Province, China
| | - Ruijun Duan
- College of Eco-Environmental Engineering, Qinghai University, Xining, 810016, Qinghai Province, China.
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25
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Liu Y, Ma L, Cao D, Gong Z, Fan J, Hu H, Jin X. Investigation of cell wall proteins of C. sinensis leaves by combining cell wall proteomics and N-glycoproteomics. BMC PLANT BIOLOGY 2021; 21:384. [PMID: 34416854 PMCID: PMC8377857 DOI: 10.1186/s12870-021-03166-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 08/10/2021] [Indexed: 05/27/2023]
Abstract
BACKGROUND C. sinensis is an important economic crop with fluoride over-accumulation in its leaves, which poses a serious threat to human health due to its leaf consumption as tea. Recently, our study has indicated that cell wall proteins (CWPs) probably play a vital role in fluoride accumulation/detoxification in C. sinensis. However, there has been a lack in CWP identification and characterization up to now. This study is aimed to characterize cell wall proteome of C. sinensis leaves and to develop more CWPs related to stress response. A strategy of combined cell wall proteomics and N-glycoproteomics was employed to investigate CWPs. CWPs were extracted by sequential salt buffers, while N-glycoproteins were enriched by hydrophilic interaction chromatography method using C. sinensis leaves as a material. Afterwards all the proteins were subjected to UPLC-MS/MS analysis. RESULTS A total of 501 CWPs and 195 CWPs were identified respectively by cell wall proteomics and N-glycoproteomics profiling with 118 CWPs in common. Notably, N-glycoproteomics is a feasible method for CWP identification, and it can enhance CWP coverage. Among identified CWPs, proteins acting on cell wall polysaccharides constitute the largest functional class, most of which might be involved in cell wall structure remodeling. The second largest functional class mainly encompass various proteases related to CWP turnover and maturation. Oxidoreductases represent the third largest functional class, most of which (especially Class III peroxidases) participate in defense response. As expected, identified CWPs are mainly related to plant cell wall formation and defense response. CONCLUSION This was the first large-scale investigation of CWPs in C. sinensis through cell wall proteomics and N-glycoproteomics. Our results not only provide a database for further research on CWPs, but also an insight into cell wall formation and defense response in C. sinensis.
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Affiliation(s)
- Yanli Liu
- Fruit and Tea Research Institute, Hubei Academy of Agricultural Sciences, No. 10 Nanhu Road, Wuhan, 430064, Hubei, People's Republic of China
| | - Linlong Ma
- Fruit and Tea Research Institute, Hubei Academy of Agricultural Sciences, No. 10 Nanhu Road, Wuhan, 430064, Hubei, People's Republic of China
| | - Dan Cao
- Fruit and Tea Research Institute, Hubei Academy of Agricultural Sciences, No. 10 Nanhu Road, Wuhan, 430064, Hubei, People's Republic of China
| | - Ziming Gong
- Fruit and Tea Research Institute, Hubei Academy of Agricultural Sciences, No. 10 Nanhu Road, Wuhan, 430064, Hubei, People's Republic of China
| | - Jing Fan
- Fruit and Tea Research Institute, Hubei Academy of Agricultural Sciences, No. 10 Nanhu Road, Wuhan, 430064, Hubei, People's Republic of China
| | - Hongju Hu
- Fruit and Tea Research Institute, Hubei Academy of Agricultural Sciences, No. 10 Nanhu Road, Wuhan, 430064, Hubei, People's Republic of China
| | - Xiaofang Jin
- Fruit and Tea Research Institute, Hubei Academy of Agricultural Sciences, No. 10 Nanhu Road, Wuhan, 430064, Hubei, People's Republic of China.
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26
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Chen B, Zhang Y, Sun Z, Liu Z, Zhang D, Yang J, Wang G, Wu J, Ke H, Meng C, Wu L, Yan Y, Cui Y, Li Z, Wu L, Zhang G, Wang X, Ma Z. Tissue-specific expression of GhnsLTPs identified via GWAS sophisticatedly coordinates disease and insect resistance by regulating metabolic flux redirection in cotton. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2021; 107:831-846. [PMID: 34008265 DOI: 10.1111/tpj.15349] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 05/08/2021] [Accepted: 05/12/2021] [Indexed: 05/26/2023]
Abstract
Cotton (Gossypium hirsutum) is constantly attacked by pathogens and insects. The most efficient control strategy is to develop resistant varieties using broad-spectrum gene resources. Several resistance loci harboured by superior varieties have been identified through genome-wide association studies. However, the key genes and/or loci have not been functionally identified. In this study, we identified a locus significantly associated with Verticillium wilt (VW) resistance, and within a 145.5-kb linkage disequilibrium, two non-specific lipid transfer protein genes (named GhnsLTPsA10) were highly expressed under Verticillium pathogen stress. The expression of GhnsLTPsA10 significantly increased in roots upon Verticillium dahliae stress but significantly decreased in leaves under insect attack. Furthermore, GhnsLTPsA10 played antagonistic roles in positively regulating VW and Fusarium wilt resistance and negatively mediating aphid and bollworm resistance in transgenic Arabidopsis and silenced cotton. By combining transcriptomic, histological and physiological analyses, we determined that GhnsLTPsA10-mediated phenylpropanoid metabolism further affected the balance of the downstream metabolic flux of flavonoid and lignin biosynthesis. The divergent expression of GhnsLTPsA10 in roots and leaves coordinated resistance of cotton against fungal pathogens and insects via the redirection of metabolic flux. In addition, GhnsLTPsA10 contributed to reactive oxygen species accumulation. Therefore, in this study, we elucidated the novel function of GhnsLTP and the molecular association between disease resistance and insect resistance, balanced by GhnsLTPsA10. This broadens our knowledge of the biological function of GhnsLTPsA10 in crops and provides a useful locus for genetic improvement of cotton.
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Affiliation(s)
- Bin Chen
- State Key Laboratory of North China Crop Improvement and Regulation, North China Key Laboratory for Crop Germplasm Resources of Education Ministry, Hebei Agricultural University, Baoding, 071001, China
| | - Yan Zhang
- State Key Laboratory of North China Crop Improvement and Regulation, North China Key Laboratory for Crop Germplasm Resources of Education Ministry, Hebei Agricultural University, Baoding, 071001, China
| | - Zhengwen Sun
- State Key Laboratory of North China Crop Improvement and Regulation, North China Key Laboratory for Crop Germplasm Resources of Education Ministry, Hebei Agricultural University, Baoding, 071001, China
| | - Zhengwen Liu
- State Key Laboratory of North China Crop Improvement and Regulation, North China Key Laboratory for Crop Germplasm Resources of Education Ministry, Hebei Agricultural University, Baoding, 071001, China
| | - Dongmei Zhang
- State Key Laboratory of North China Crop Improvement and Regulation, North China Key Laboratory for Crop Germplasm Resources of Education Ministry, Hebei Agricultural University, Baoding, 071001, China
| | - Jun Yang
- State Key Laboratory of North China Crop Improvement and Regulation, North China Key Laboratory for Crop Germplasm Resources of Education Ministry, Hebei Agricultural University, Baoding, 071001, China
| | - Guoning Wang
- State Key Laboratory of North China Crop Improvement and Regulation, North China Key Laboratory for Crop Germplasm Resources of Education Ministry, Hebei Agricultural University, Baoding, 071001, China
| | - Jinhua Wu
- State Key Laboratory of North China Crop Improvement and Regulation, North China Key Laboratory for Crop Germplasm Resources of Education Ministry, Hebei Agricultural University, Baoding, 071001, China
| | - Huifeng Ke
- State Key Laboratory of North China Crop Improvement and Regulation, North China Key Laboratory for Crop Germplasm Resources of Education Ministry, Hebei Agricultural University, Baoding, 071001, China
| | - Chengsheng Meng
- State Key Laboratory of North China Crop Improvement and Regulation, North China Key Laboratory for Crop Germplasm Resources of Education Ministry, Hebei Agricultural University, Baoding, 071001, China
| | - Lizhu Wu
- State Key Laboratory of North China Crop Improvement and Regulation, North China Key Laboratory for Crop Germplasm Resources of Education Ministry, Hebei Agricultural University, Baoding, 071001, China
| | - Yuanyuan Yan
- State Key Laboratory of North China Crop Improvement and Regulation, North China Key Laboratory for Crop Germplasm Resources of Education Ministry, Hebei Agricultural University, Baoding, 071001, China
| | - Yanru Cui
- State Key Laboratory of North China Crop Improvement and Regulation, North China Key Laboratory for Crop Germplasm Resources of Education Ministry, Hebei Agricultural University, Baoding, 071001, China
| | - Zhikun Li
- State Key Laboratory of North China Crop Improvement and Regulation, North China Key Laboratory for Crop Germplasm Resources of Education Ministry, Hebei Agricultural University, Baoding, 071001, China
| | - Liqiang Wu
- State Key Laboratory of North China Crop Improvement and Regulation, North China Key Laboratory for Crop Germplasm Resources of Education Ministry, Hebei Agricultural University, Baoding, 071001, China
| | - Guiyin Zhang
- State Key Laboratory of North China Crop Improvement and Regulation, North China Key Laboratory for Crop Germplasm Resources of Education Ministry, Hebei Agricultural University, Baoding, 071001, China
| | - Xingfen Wang
- State Key Laboratory of North China Crop Improvement and Regulation, North China Key Laboratory for Crop Germplasm Resources of Education Ministry, Hebei Agricultural University, Baoding, 071001, China
| | - Zhiying Ma
- State Key Laboratory of North China Crop Improvement and Regulation, North China Key Laboratory for Crop Germplasm Resources of Education Ministry, Hebei Agricultural University, Baoding, 071001, China
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Balmant KM, Lawrence SR, Duong BV, Zhu F, Zhu N, Nicklay J, Chen S. Guard cell redox proteomics reveals a role of lipid transfer protein in plant defense. J Proteomics 2021; 242:104247. [PMID: 33940245 DOI: 10.1016/j.jprot.2021.104247] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 04/20/2021] [Accepted: 04/21/2021] [Indexed: 12/20/2022]
Abstract
Redox-based post-translational modifications (PTMs) involving protein cysteine residues as redox sensors are important to various physiological processes. However, little is known about redox-sensitive proteins in guard cells and their functions in stomatal immunity. In this study, we applied an integrative protein labeling method cysTMTRAQ, and identified guard cell proteins that were altered by thiol redox PTMs in response to a bacterial flagellin peptide flg22. In total, eight, seven and 20 potential redox-responsive proteins were identified in guard cells treated with flg22 for 15, 30 and 60 min, respectively. The proteins fall into several functional groups including photosynthesis, lipid binding, oxidation-reduction, and defense. Among the proteins, a lipid transfer protein (LTP)-II was confirmed to be redox-responsive and involved in plant resistance to Pseudomonas syringe pv. tomato DC3000. This study not only creates an inventory of potential redox-sensitive proteins in flg22 signal transduction in guard cells, but also highlights the biological relevance of the lipid transfer protein in plant defense against bacterial pathogens. SIGNIFICANCE: Protein redox modifications play important roles in many physiological processes. However, redox proteomics has rarely been studied in plant single cell-types. In this study, isobaric tandem mass tag-based redox proteomics technology was applied to discover redox-sensitive proteins and corresponding cysteine residues in guard cell response to a bacterial flagellin peptide flg22. Many redox-responsive proteins related to photosynthesis, lipid binding, oxidation-reduction, and defense were identified. Using reverse genetics and biochemical analyses, a lipid transfer protein was functionally characterized to be involved in plant defense against pathogens. The study highlights the utility of redox proteomics in discovering new proteins and redox modifications in important stomatal guard cell functions. Furthermore, detailed functional characterization demonstrates the biological relevance of the redox-responsive lipid transfer protein in plant pathogen defense.
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Affiliation(s)
- Kelly M Balmant
- Department of Biology, University of Florida Genetics Institute, Gainesville, FL 32610, USA; Plant Molecular and Cellular Biology Program, University of Florida, Gainesville, FL 32610, USA
| | - Sheldon R Lawrence
- Department of Biology, University of Florida Genetics Institute, Gainesville, FL 32610, USA; Plant Molecular and Cellular Biology Program, University of Florida, Gainesville, FL 32610, USA
| | - Benjamin V Duong
- Department of Biology, University of Florida Genetics Institute, Gainesville, FL 32610, USA
| | - Fanzhao Zhu
- Department of Biology, University of Florida Genetics Institute, Gainesville, FL 32610, USA; Proteomics and Mass Spectrometry, Interdisciplinary Center for Biotechnology Research, University of Florida, Gainesville, FL 32610, USA
| | - Ning Zhu
- Department of Biology, University of Florida Genetics Institute, Gainesville, FL 32610, USA; Proteomics and Mass Spectrometry, Interdisciplinary Center for Biotechnology Research, University of Florida, Gainesville, FL 32610, USA
| | | | - Sixue Chen
- Department of Biology, University of Florida Genetics Institute, Gainesville, FL 32610, USA; Plant Molecular and Cellular Biology Program, University of Florida, Gainesville, FL 32610, USA; Proteomics and Mass Spectrometry, Interdisciplinary Center for Biotechnology Research, University of Florida, Gainesville, FL 32610, USA.
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Ganie SA, Ahammed GJ. Dynamics of cell wall structure and related genomic resources for drought tolerance in rice. PLANT CELL REPORTS 2021; 40:437-459. [PMID: 33389046 DOI: 10.1007/s00299-020-02649-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 12/04/2020] [Indexed: 05/03/2023]
Abstract
Cell wall plasticity plays a very crucial role in vegetative and reproductive development of rice under drought and is a highly potential trait for improving rice yield under drought. Drought is a major constraint in rice (Oryza sativa L.) cultivation severely affecting all developmental stages, with the reproductive stage being the most sensitive. Rice plants employ multiple strategies to cope with drought, in which modification in cell wall dynamics plays a crucial role. Over the years, significant progress has been made in discovering the cell wall-specific genomic resources related to drought tolerance at vegetative and reproductive stages of rice. However, questions remain about how the drought-induced changes in cell wall made by these genomic resources potentially influence the vegetative and reproductive development of rice. The possibly major candidate genes underlying the function of quantitative trait loci directly or indirectly associated with the cell wall plasticization-mediated drought tolerance of rice might have a huge promise in dissecting the putative genomic regions associated with cell wall plasticity under drought. Furthermore, engineering the drought tolerance of rice using cell wall-related genes from resurrection plants may have huge prospects for rice yield improvement. Here, we review the comprehensive multidisciplinary analyses to unravel different components and mechanisms involved in drought-induced cell wall plasticity at vegetative and reproductive stages that could be targeted for improving rice yield under drought.
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Affiliation(s)
- Showkat Ahmad Ganie
- Department of Biotechnology, Visva-Bharati, Santiniketan, West Bengal, 731235, India.
| | - Golam Jalal Ahammed
- College of Horticulture and Plant Protection, Henan University of Science and Technology, Luoyang, 471023, China.
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Galinousky D, Mokshina N, Padvitski T, Ageeva M, Bogdan V, Kilchevsky A, Gorshkova T. The Toolbox for Fiber Flax Breeding: A Pipeline From Gene Expression to Fiber Quality. Front Genet 2020; 11:589881. [PMID: 33281880 PMCID: PMC7690631 DOI: 10.3389/fgene.2020.589881] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 10/22/2020] [Indexed: 01/22/2023] Open
Abstract
The goal of any plant breeding program is to improve quality of a target crop. Crop quality is a comprehensive feature largely determined by biological background. To improve the quality parameters of crops grown for the production of fiber, a functional approach was used to search for genes suitable for the effective manipulation of technical fiber quality. A key step was to identify genes with tissue and stage-specific pattern of expression in the developing fibers. In the current study, we investigated the relationship between gene expression evaluated in bast fibers of developing flax plants and the quality parameters of technical fibers measured after plant harvesting. Based on previously published transcriptomic data, two sets of genes that are upregulated in fibers during intrusive growth and tertiary cell wall deposition were selected. The expression level of the selected genes and fiber quality parameters were measured in fiber flax, linseed (oil flax) cultivars, and wild species that differ in type of yield and fiber quality parameters. Based on gene expression data, linear regression models for technical stem length, fiber tensile strength, and fiber flexibility were constructed, resulting in the identification of genes that have high potential for manipulating fiber quality. Chromosomal localization and single nucleotide polymorphism distribution in the selected genes were characterized for the efficacy of their use in conventional breeding and genome editing programs. Transcriptome-based selection is a highly targeted functional approach that could be used during the development of new cultivars of various crops.
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Affiliation(s)
- Dmitry Galinousky
- Laboratory of Plant Glycobiology, Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, Kazan, Russia
- Laboratory of Ecological Genetics and Biotechnology, Institute of Genetics and Cytology, The National Academy of Sciences of Belarus, Minsk, Belarus
| | - Natalia Mokshina
- Laboratory of Plant Glycobiology, Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, Kazan, Russia
| | - Tsimafei Padvitski
- Cellular Network and Systems Biology Group, University of Cologne, CECAD, Cologne, Germany
| | - Marina Ageeva
- Laboratory of Microscopy, Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, Kazan, Russia
| | - Victor Bogdan
- Laboratory of Fiber Flax Breeding, Institute of Flax, Ustie, Belarus
| | - Alexander Kilchevsky
- Laboratory of Ecological Genetics and Biotechnology, Institute of Genetics and Cytology, The National Academy of Sciences of Belarus, Minsk, Belarus
| | - Tatyana Gorshkova
- Laboratory of Plant Cell Growth Mechanisms, Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, Kazan, Russia
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Sun H, Yu J, Zhang F, Kang J, Li M, Wang Z, Liu W, Zhang J, Yang Q, Long R. iTRAQ-based comparative proteomic analysis of differences in the protein profiles of stems and leaves from two alfalfa genotypes. BMC PLANT BIOLOGY 2020; 20:447. [PMID: 32993512 PMCID: PMC7525974 DOI: 10.1186/s12870-020-02671-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 09/23/2020] [Indexed: 05/08/2023]
Abstract
BACKGROUND To explore the molecular regulatory mechanisms of early stem and leaf development, proteomic analysis was performed on leaves and stems of F genotype alfalfa, with thin stems and small leaves, and M genotype alfalfa, with thick stems and large leaves. RESULTS Based on fold-change thresholds of > 1.20 or < 0.83 (p < 0.05), a large number of proteins were identified as being differentially enriched between the M and F genotypes: 249 downregulated and 139 upregulated in stems and 164 downregulated and 134 upregulated in leaves. The differentially enriched proteins in stems were mainly involved in amino acid biosynthesis, phenylpropanoid biosynthesis, carbon fixation, and phenylalanine metabolism. The differentially enriched proteins in leaves were mainly involved in porphyrin and chlorophyll metabolism, phenylpropanoid biosynthesis, starch and sucrose metabolism, and carbon fixation in photosynthetic organisms. Six differentially enriched proteins were mapped onto the porphyrin and chlorophyll metabolism pathway in leaves of the M genotype, including five upregulated proteins involved in chlorophyll biosynthesis and one downregulated protein involved in chlorophyll degradation. Eleven differentially enriched proteins were mapped onto the phenylpropanoid pathway in stems of the M genotype, including two upregulated proteins and nine downregulated proteins. CONCLUSION Enhanced chlorophyll synthesis and decreased lignin synthesis provided a reasonable explanation for the larger leaves and lower levels of stem lignification in M genotype alfalfa. This proteomic study aimed to classify the functions of differentially enriched proteins and to provide information on the molecular regulatory networks involved in stem and leaf development.
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Affiliation(s)
- Hao Sun
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
- Key Laboratory of Animal Nutrition and Feed Science in South China, Ministry of Agriculture and Rural Affairs/ Guangdong Key Laboratory of Animal Breeding and Nutrition, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, Guangdong, China
| | - Jie Yu
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Fan Zhang
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Junmei Kang
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Mingna Li
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Zhen Wang
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Wenwen Liu
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Jiaju Zhang
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Qingchuan Yang
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.
| | - Ruicai Long
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.
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Simon SJ, Tschaplinski TJ, M. LeBoldus J, Keefover‐Ring K, Azeem M, Chen J, Macaya‐Sanz D, MacDonald WL, Muchero W, DiFazio SP. Host plant genetic control of associated fungal and insect species in a Populus hybrid cross. Ecol Evol 2020; 10:5119-5134. [PMID: 32551087 PMCID: PMC7297788 DOI: 10.1002/ece3.6266] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 03/05/2020] [Accepted: 03/23/2020] [Indexed: 11/10/2022] Open
Abstract
Plants employ a diverse set of defense mechanisms to mediate interactions with insects and fungi. These relationships can leave lasting impacts on host plant genome structure such as rapid expansion of gene families through tandem duplication. These genomic signatures provide important clues about the complexities of plant/biotic stress interactions and evolution. We used a pseudo-backcross hybrid family to identify quantitative trait loci (QTL) controlling associations between Populus trees and several common Populus diseases and insects. Using whole-genome sequences from each parent, we identified candidate genes that may mediate these interactions. Candidates were partially validated using mass spectrometry to identify corresponding QTL for defensive compounds. We detected significant QTL for two interacting fungal pathogens and three insects. The QTL intervals contained candidate genes potentially involved in physical and chemical mechanisms of host-plant resistance and susceptibility. In particular, we identified adjoining QTLs for a phenolic glycoside and Phyllocolpa sawfly abundance. There was also significant enrichment of recent tandem duplications in the genomic intervals of the native parent, but not the exotic parent. Tandem gene duplication may be an important mechanism for rapid response to biotic stressors, enabling trees with long juvenile periods to reach maturity despite many coevolving biotic stressors.
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Affiliation(s)
- Sandra J. Simon
- Department of BiologyWest Virginia UniversityMorgantownWest Virginia
| | - Timothy J. Tschaplinski
- Biosciences Division and Center for Bioenergy InnovationOak Ridge National LaboratoryOak RidgeTennessee
| | - Jared M. LeBoldus
- Forest Engineering, Resources & ManagementOregon State UniversityCorvallisOregon
- Botany and Plant PathologyOregon State UniversityCorvallisOregon
| | - Ken Keefover‐Ring
- Department of BotanyUniversity of Wisconsin-MadisonMadisonWisconsin
- Department of GeographyUniversity of WisconsinMadisonWisconsin
| | - Muhammad Azeem
- Department of BotanyUniversity of Wisconsin-MadisonMadisonWisconsin
- Department of GeographyUniversity of WisconsinMadisonWisconsin
- Department of ChemistryCOMSATS University IslamabadAbbottabadPakistan
| | - Jin‐Gui Chen
- Biosciences Division and Center for Bioenergy InnovationOak Ridge National LaboratoryOak RidgeTennessee
| | - David Macaya‐Sanz
- Department of BiologyWest Virginia UniversityMorgantownWest Virginia
| | - William L. MacDonald
- Division of Plant and Soil SciencesWest Virginia UniversityMorgantownWest Virginia
| | - Wellington Muchero
- Biosciences Division and Center for Bioenergy InnovationOak Ridge National LaboratoryOak RidgeTennessee
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Kino RI, Pellny TK, Mitchell RAC, Gonzalez-Uriarte A, Tosi P. High post-anthesis temperature effects on bread wheat (Triticum aestivum L.) grain transcriptome during early grain-filling. BMC PLANT BIOLOGY 2020; 20:170. [PMID: 32299364 PMCID: PMC7164299 DOI: 10.1186/s12870-020-02375-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Accepted: 03/31/2020] [Indexed: 05/27/2023]
Abstract
BACKGROUND High post-anthesis (p.a) temperatures reduce mature grain weights in wheat and other cereals. However, the causes of this reduction are not entirely known. Control of grain expansion by the maternally derived pericarp of the grain has previously been suggested, although this interaction has not been investigated under high p.a. temperatures. Down-regulation of pericarp localised genes that regulate cell wall expansion under high p.a. temperatures may limit expansion of the encapsulated endosperm due to a loss of plasticity in the pericarp, reducing mature grain weight. Here the effect of high p.a. temperatures on the transcriptome of the pericarp and endosperm of the wheat grain during early grain-filling was investigated via RNA-Seq and is discussed alongside grain moisture dynamics during early grain development and mature grain weight. RESULTS High p.a. temperatures applied from 6-days after anthesis (daa) and until 18daa reduced the grain's ability to accumulate water, with total grain moisture and percentage grain moisture content being significantly reduced from 14daa onwards. Mature grain weight was also significantly reduced by the same high p.a. temperatures applied from 6daa for 4-days or more, in a separate experiment. Comparison of our RNA-Seq data from whole grains, with existing data sets from isolated pericarp and endosperm tissues enabled the identification of subsets of genes whose expression was significantly affected by high p.a. temperature and predominantly expressed in either tissue. Hierarchical clustering and gene ontology analysis resulted in the identification of a number of genes implicated in the regulation of cell wall expansion, predominantly expressed in the pericarp and significantly down-regulated under high p.a. temperatures, including endoglucanase, xyloglucan endotransglycosylases and a β-expansin. An over-representation of genes involved in the 'cuticle development' functional pathway that were expressed in the pericarp and affected by high p.a. temperatures was also observed. CONCLUSIONS High p.a. temperature induced down-regulation of genes involved in regulating pericarp cell wall expansion. This concomitant down-regulation with a reduction in total grain moisture content and grain weight following the same treatment period, adds support to the theory that high p.a. temperatures may cause a reduction in mature grain weight as result of decreased pericarp cell wall expansion.
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Affiliation(s)
- Richard I. Kino
- School of Agriculture Policy and Development, University of Reading, Whiteknights, PO Box 237, Reading, RG6 6AR UK
| | - Till K. Pellny
- Rothamsted Research, West Common, Harpenden, Hertfordshire, AL5 2JQ UK
| | | | - Asier Gonzalez-Uriarte
- Rothamsted Research, West Common, Harpenden, Hertfordshire, AL5 2JQ UK
- Current affiliation: European Bioinformatics Institute, Wellcome Genome Campus, Cambridgeshire, CB10 1SD UK
| | - Paola Tosi
- School of Agriculture Policy and Development, University of Reading, Whiteknights, PO Box 237, Reading, RG6 6AR UK
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Molecular Dissection of TaLTP1 Promoter Reveals Functional Cis-Elements Regulating Epidermis-Specific Expression. Int J Mol Sci 2020; 21:ijms21072261. [PMID: 32218159 PMCID: PMC7177882 DOI: 10.3390/ijms21072261] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 03/20/2020] [Accepted: 03/21/2020] [Indexed: 11/16/2022] Open
Abstract
Plant epidermis serves important functions in shoot growth, plant defense and lipid metabolism, though mechanisms of related transcriptional regulation are largely unknown. Here, we identified cis-elements specific to shoot epidermis expression by dissecting the promoter of Triticum aestivum lipid transfer protein 1 (TaLTP1). A preliminary promoter deletion analysis revealed that a truncated fragment within 400 bp upstream from the translation start site was sufficient to confer conserved epidermis-specific expression in transgenic Brachypodium distachyon and Arabidopsis thaliana. Further, deletion or mutation of a GC(N4)GGCC motif at position -380 bp caused a loss of expression in pavement cells. With an electrophoretic mobility shift assay (EMSA) and transgenic reporter assay, we found that a light-responsive CcATC motif at position -268 bp was also involved in regulating pavement cell-specific expression that is evolutionary conserved. Moreover, expression specific to leaf trichome cells was found to be independently regulated by a CCaacAt motif at position -303 bp.
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Zhao J, Wang S, Qin J, Sun C, Liu F. The lipid transfer protein OsLTPL159 is involved in cold tolerance at the early seedling stage in rice. PLANT BIOTECHNOLOGY JOURNAL 2020; 18:756-769. [PMID: 31469486 PMCID: PMC7004919 DOI: 10.1111/pbi.13243] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 08/03/2019] [Accepted: 08/15/2019] [Indexed: 05/11/2023]
Abstract
Nonspecific lipid transfer proteins (nsLTPs) play critical roles in plant development and response to abiotic stresses. Here, we found that a rice lipid transfer protein, OsLTPL159, was associated with cold tolerance at the early seedling stage. Overexpression of an OsLTPL159IL112 allele from the cold-tolerant introgression line IL112 in either the japonica variety Zhonghua17 (ZH17) or the indica variety Teqing background dramatically enhanced cold tolerance. In addition, down-regulation of the expression of OsLTPL159 in the japonica variety ZH17 by RNA interference (RNAi) significantly decreased cold tolerance. Further transcriptomic, physiological and histological analysis showed that the OsLTPL159IL112 allele likely enhanced the cold tolerance of rice at the early seedling stage by decreasing the toxic effect of reactive oxygen species, enhancing cellulose deposition in the cell wall and promoting osmolyte accumulation, thereby maintaining the integrity of the chloroplasts. Notably, overexpression of another allele, OsLTPL159GC2 , from the recipient parent Guichao 2 (GC2), an indica variety, did not improve cold tolerance, indicating that the variations in the OsLTPL159 coding region of GC2 might disrupt its function for cold tolerance. Further sequence comparison found that all 22 japonica varieties surveyed had an OsLTPL159 haplotype identical to IL112 and were more cold-tolerant than the surveyed indica varieties, implying that the variations in OsLTPL159 might be associated with differential cold tolerance of japonica and indica rice. Therefore, our findings suggest that the OsLTPL159 allele of japonica rice could be used to improve cold tolerance of indica rice through a molecular breeding strategy.
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Affiliation(s)
- Jie Zhao
- State Key Laboratory of Plant Physiology and BiochemistryNational Center for Evaluation of Agricultural Wild Plants (Rice)MOE Laboratory of Crop Heterosis and UtilizationBeijing Key Laboratory of Crop Genetic ImprovementDepartment of Plant Genetics and BreedingChina Agricultural UniversityBeijingChina
| | - Shanshan Wang
- State Key Laboratory of Plant Physiology and BiochemistryNational Center for Evaluation of Agricultural Wild Plants (Rice)MOE Laboratory of Crop Heterosis and UtilizationBeijing Key Laboratory of Crop Genetic ImprovementDepartment of Plant Genetics and BreedingChina Agricultural UniversityBeijingChina
| | - Jingjing Qin
- State Key Laboratory of Plant Physiology and BiochemistryNational Center for Evaluation of Agricultural Wild Plants (Rice)MOE Laboratory of Crop Heterosis and UtilizationBeijing Key Laboratory of Crop Genetic ImprovementDepartment of Plant Genetics and BreedingChina Agricultural UniversityBeijingChina
| | - Chuanqing Sun
- State Key Laboratory of Plant Physiology and BiochemistryNational Center for Evaluation of Agricultural Wild Plants (Rice)MOE Laboratory of Crop Heterosis and UtilizationBeijing Key Laboratory of Crop Genetic ImprovementDepartment of Plant Genetics and BreedingChina Agricultural UniversityBeijingChina
| | - Fengxia Liu
- State Key Laboratory of Plant Physiology and BiochemistryNational Center for Evaluation of Agricultural Wild Plants (Rice)MOE Laboratory of Crop Heterosis and UtilizationBeijing Key Laboratory of Crop Genetic ImprovementDepartment of Plant Genetics and BreedingChina Agricultural UniversityBeijingChina
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Deng W, Li R, Xu Y, Mao R, Chen S, Chen L, Chen L, Liu YG, Chen Y. A lipid transfer protein variant with a mutant eight-cysteine motif causes photoperiod- and thermo-sensitive dwarfism in rice. JOURNAL OF EXPERIMENTAL BOTANY 2020; 71:1294-1305. [PMID: 31701134 PMCID: PMC7031082 DOI: 10.1093/jxb/erz500] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Accepted: 11/06/2019] [Indexed: 05/26/2023]
Abstract
Plant height is an important trait for architecture patterning and crop yield improvement. Although the pathways involving gibberellins and brassinosteroids have been well studied, there are still many gaps in our knowledge of the networks that control plant height. In this study, we determined that a dominant photoperiod- and thermo-sensitive dwarf mutant is caused by the active role of a mutated gene Photoperiod-thermo-sensitive dwarfism 1 (Ptd1), the wild-type of which encodes a non-specific lipid transfer protein (nsLTP). Ptd1 plants showed severe dwarfism under long-day and low-temperature conditions, but grew almost normal under short-day and high-temperature conditions. These phenotypic variations were associated with Ptd1 mRNA levels and accumulation of the corresponding protein. Furthermore, we found that the growth inhibition in Ptd1 may result from the particular protein conformation of Ptd1 due to loss of two disulfide bonds in the eight-cysteine motif (8-CM) that is conserved among nsLTPs. These results contribute to our understanding of the novel function of disulfide bonds in the 8-CM, and provide a potential new strategy for regulation of cell development and plant height by modifying the amino acid residues involved in protein conformation patterning.
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Affiliation(s)
- Wenjun Deng
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangzhou, China
- College of Life Sciences, South China Agricultural University, Guangzhou, China
| | - Riqing Li
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangzhou, China
- College of Life Sciences, South China Agricultural University, Guangzhou, China
| | - Yiwei Xu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangzhou, China
- College of Life Sciences, South China Agricultural University, Guangzhou, China
| | - Runyuan Mao
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangzhou, China
- College of Life Sciences, South China Agricultural University, Guangzhou, China
| | - Shuifu Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangzhou, China
- College of Life Sciences, South China Agricultural University, Guangzhou, China
| | - Libin Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangzhou, China
- College of Life Sciences, South China Agricultural University, Guangzhou, China
| | - Letian Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangzhou, China
- Key Laboratory of Plant Functional Genomics and Biotechnology of Guangdong Provincial Higher Education Institutions, Guangzhou, China
- College of Life Sciences, South China Agricultural University, Guangzhou, China
| | - Yao-Guang Liu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangzhou, China
- Key Laboratory of Plant Functional Genomics and Biotechnology of Guangdong Provincial Higher Education Institutions, Guangzhou, China
- College of Life Sciences, South China Agricultural University, Guangzhou, China
| | - Yuanling Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangzhou, China
- Key Laboratory of Plant Functional Genomics and Biotechnology of Guangdong Provincial Higher Education Institutions, Guangzhou, China
- College of Life Sciences, South China Agricultural University, Guangzhou, China
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Zhu L, Qian Q. Gain-of-function mutations: key tools for modifying or designing novel proteins in plant molecular engineering. JOURNAL OF EXPERIMENTAL BOTANY 2020; 71:1203-1205. [PMID: 32076728 PMCID: PMC7031071 DOI: 10.1093/jxb/erz519] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
This article comments on: Deng WJ, Li RQ, Xu YW, Mao RY, Chen SF, Chen LB, Chen LT, Liu YG, Chen YL. 2020. A lipid transfer protein variant with a mutant eight-cysteine motif causes photoperiod- and temperature-sensitive dwarfism in rice. Journal of Experimental Botany 71, 1294–1305.
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Affiliation(s)
- Li Zhu
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, China
| | - Qian Qian
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, China
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Di Marzo M, Roig-Villanova I, Zanchetti E, Caselli F, Gregis V, Bardetti P, Chiara M, Guazzotti A, Caporali E, Mendes MA, Colombo L, Kater MM. MADS-Box and bHLH Transcription Factors Coordinate Transmitting Tract Development in Arabidopsis thaliana. FRONTIERS IN PLANT SCIENCE 2020; 11:526. [PMID: 32435255 PMCID: PMC7219087 DOI: 10.3389/fpls.2020.00526] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 04/07/2020] [Indexed: 05/14/2023]
Abstract
The MADS-domain transcription factor SEEDSTICK (STK) controls several aspects of plant reproduction. STK is co-expressed with CESTA (CES), a basic Helix-Loop-Helix (bHLH) transcription factor-encoding gene. CES was reported to control redundantly with the brassinosteroid positive signaling factors BRASSINOSTEROID ENHANCED EXPRESSION1 (BEE1) and BEE3 the development of the transmitting tract. Combining the stk ces-4 mutants led to a reduction in ovule fertilization due to a defect in carpel fusion which, caused the formation of holes at the center of the septum where the transmitting tract differentiates. Combining the stk mutant with the bee1 bee3 ces-4 triple mutant showed an increased number of unfertilized ovules and septum defects. The transcriptome profile of this quadruple mutant revealed a small subset of differentially expressed genes which are mainly involved in cell death, extracellular matrix and cell wall development. Our data evidence a regulatory gene network controlling transmitting tract development regulated directly or indirectly by a STK-CES containing complex and reveal new insights in the regulation of transmitting tract development by bHLH and MADS-domain transcription factors.
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The Temperature-Dependent Retention of Introns in GPI8 Transcripts Contributes to a Drooping and Fragile Shoot Phenotype in Rice. Int J Mol Sci 2019; 21:ijms21010299. [PMID: 31906256 PMCID: PMC6982220 DOI: 10.3390/ijms21010299] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 12/25/2019] [Accepted: 12/30/2019] [Indexed: 12/22/2022] Open
Abstract
Attachment of glycosylphosphatidylinositols (GPIs) to the C-termini of proteins is one of the most common posttranslational modifications in eukaryotic cells. GPI8/PIG-K is the catalytic subunit of the GPI transamidase complex catalyzing the transfer en bloc GPI to proteins. In this study, a T-DNA insertional mutant of rice with temperature-dependent drooping and fragile (df) shoots phenotype was isolated. The insertion site of the T-DNA fragment was 879 bp downstream of the stop codon of the OsGPI8 gene, which caused introns retention in the gene transcripts, especially at higher temperatures. A complementation test confirmed that this change in the OsGPI8 transcripts was responsible for the mutant phenotype. Compared to control plants, internodes of the df mutant showed a thinner shell with a reduced cell number in the transverse direction, and an inhomogeneous secondary wall layer in bundle sheath cells, while many sclerenchyma cells at the tops of the main veins of df leaves were shrunken and their walls were thinner. The df plants also displayed a major reduction in cellulose and lignin content in both culms and leaves. Our data indicate that GPI anchor proteins play important roles in biosynthesis and accumulation of cell wall material, cell shape, and cell division in rice.
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Fleury C, Gracy J, Gautier MF, Pons JL, Dufayard JF, Labesse G, Ruiz M, de Lamotte F. Comprehensive classification of the plant non-specific lipid transfer protein superfamily towards its sequence-structure-function analysis. PeerJ 2019; 7:e7504. [PMID: 31428542 PMCID: PMC6698131 DOI: 10.7717/peerj.7504] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 07/17/2019] [Indexed: 11/20/2022] Open
Abstract
Background Non-specific Lipid Transfer Proteins (nsLTPs) are widely distributed in the plant kingdom and constitute a superfamily of related proteins. Several hundreds of different nsLTP sequences—and counting—have been characterized so far, but their biological functions remain unclear. It has been clear for years that they present a certain interest for agronomic and nutritional issues. Deciphering their functions means collecting and analyzing a variety of data from gene sequence to protein structure, from cellular localization to the physiological role. As a huge and growing number of new protein sequences are available nowadays, extracting meaningful knowledge from sequence–structure–function relationships calls for the development of new tools and approaches. As nsLTPs show high evolutionary divergence, but a conserved common right handed superhelix structural fold, and as they are involved in a large number of key roles in plant development and defense, they are a stimulating case study for validating such an approach. Methods In this study, we comprehensively investigated 797 nsLTP protein sequences, including a phylogenetic analysis on canonical protein sequences, three-dimensional structure modeling and functional annotation using several well-established bioinformatics programs. Additionally, two integrative methodologies using original tools were developed. The first was a new method for the detection of (i) conserved amino acid residues involved in structure stabilization and (ii) residues potentially involved in ligand interaction. The second was a structure–function classification based on the evolutionary trace display method using a new tree visualization interface. We also present a new tool for visualizing phylogenetic trees. Results Following this new protocol, an updated classification of the nsLTP superfamily was established and a new functional hypothesis for key residues is suggested. Lastly, this work allows a better representation of the diversity of plant nsLTPs in terms of sequence, structure and function.
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Affiliation(s)
| | - Jérôme Gracy
- CBS, CNRS Univ Montpellier INSERM, Montpellier, France
| | | | - Jean-Luc Pons
- CBS, CNRS Univ Montpellier INSERM, Montpellier, France
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Rojas M, Jimenez-Bremont F, Villicaña C, Carreón-Palau L, Arredondo-Vega BO, Gómez-Anduro G. Involvement of OpsLTP1 from Opuntia streptacantha in abiotic stress adaptation and lipid metabolism. FUNCTIONAL PLANT BIOLOGY : FPB 2019; 46:816-829. [PMID: 31138396 DOI: 10.1071/fp18280] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 04/27/2019] [Indexed: 06/09/2023]
Abstract
Plant lipid transfer proteins (LTPs) exhibit the ability to transfer lipids between membranes in vitro, and have been implicated in diverse physiological processes associated to plant growth, reproduction, development, biotic and abiotic stress responses. However, their mode of action is not yet fully understood. To explore the functions of the OpsLTP1 gene encoding a LTP from cactus pear Opuntia streptacantha Lem., we generated transgenic Arabidopsis thaliana (L.) Heynh. plants to overexpress OpsLTP1 and contrasted our results with the loss-of-function mutant ltp3 from A. thaliana under abiotic stress conditions. The ltp3 mutant seeds showed impaired germination under salt and osmotic treatments, in contrast to OpsLTP1 overexpressing lines that displayed significant increases in germination rate. Moreover, stress recovery assays showed that ltp3 mutant seedlings were more sensitive to salt and osmotic treatments than wild-type plants suggesting that AtLTP3 is required for stress-induced responses, while the OpsLTP1 overexpressing line showed no significant differences. In addition, OpsLTP1 overexpressing and ltp3 mutant seeds stored lower amount of total lipids compared with wild-type seeds, showing changes primarily on 16C and 18C fatty acids. However, ltp3 mutant also lead changes in lipid profile and no over concrete lipids which may suggest a compensatory activation of other LTPs. Interestingly, linoleic acid (18:2ω6) was consistently increased in neutral, galactoglycerolipids and phosphoglycerolipids of OpsLTP1 overexpressing line indicating a role of OpsLTP1 in the modulation of lipid composition in A. thaliana.
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Affiliation(s)
- Mario Rojas
- Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Av. Instituto Politécnico Nacional 195, Col. Playa Palo de Santa Rita Apdo, Postal 128, 23096 La Paz, B.C.S., México
| | - Francisco Jimenez-Bremont
- Instituto Potosino de Investigación Científica y Tecnológica. Camino a la Presa San José 2055, Col. Lomas 4 sección CP. 78216, San Luis Potosí, S.L.P., México
| | - Claudia Villicaña
- CONACYT-Centro de Investigación en Alimentación y Desarrollo, A. C. Carretera a Eldorado Km. 5.5, Apartado Postal 32-A. C. P. 80110, Culiacán, Sinaloa, México
| | - Laura Carreón-Palau
- Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Av. Instituto Politécnico Nacional 195, Col. Playa Palo de Santa Rita Apdo, Postal 128, 23096 La Paz, B.C.S., México
| | - Bertha Olivia Arredondo-Vega
- Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Av. Instituto Politécnico Nacional 195, Col. Playa Palo de Santa Rita Apdo, Postal 128, 23096 La Paz, B.C.S., México
| | - Gracia Gómez-Anduro
- Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Av. Instituto Politécnico Nacional 195, Col. Playa Palo de Santa Rita Apdo, Postal 128, 23096 La Paz, B.C.S., México; and Corresponding author.
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Liao HL, Bonito G, Rojas JA, Hameed K, Wu S, Schadt CW, Labbé J, Tuskan GA, Martin F, Grigoriev IV, Vilgalys R. Fungal Endophytes of Populus trichocarpa Alter Host Phenotype, Gene Expression, and Rhizobiome Composition. MOLECULAR PLANT-MICROBE INTERACTIONS : MPMI 2019; 32:853-864. [PMID: 30699306 DOI: 10.1094/mpmi-05-18-0133-r] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Mortierella and Ilyonectria genera include common species of soil fungi that are frequently detected as root endophytes in many plants, including Populus spp. However, the ecological roles of these and other endophytic fungi with respect to plant growth and function are still not well understood. The functional ecology of two key taxa from the P. trichocarpa rhizobiome, M. elongata PMI93 and I. europaea PMI82, was studied by coupling forest soil bioassays with environmental metatranscriptomics. Using soil bioassay experiments amended with fungal inoculants, M. elongata was observed to promote the growth of P. trichocarpa. This response was cultivar independent. In contrast, I. europaea had no visible effect on P. trichocarpa growth. Metatranscriptomic studies revealed that these fungi impacted rhizophytic and endophytic activities in P. trichocarpa and induced shifts in soil and root microbial communities. Differential expression of core genes in P. trichocarpa roots was observed in response to both fungal species. Expression of P. trichocarpa genes for lipid signaling and nutrient uptake were upregulated, and expression of genes associated with gibberellin signaling were altered in plants inoculated with M. elongata, but not I. europaea. Upregulation of genes for growth promotion, downregulation of genes for several leucine-rich repeat receptor kinases, and alteration of expression of genes associated with plant defense responses (e.g., jasmonic acid, salicylic acid, and ethylene signal pathways) also suggest that M. elongata manipulates plant defenses while promoting plant growth.
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Affiliation(s)
- Hui-Ling Liao
- 1 North Florida Research and Education Center, University of Florida, 155 Research Road, Quincy, FL 32351, U.S.A
| | - Gregory Bonito
- 2 Department of Plant, Soil and Microbial Sciences, Michigan State University, East Lansing, MI 48824, U.S.A
| | - J Alejandro Rojas
- 3 Department of Biology, Duke University, Durham, NC, U.S.A
- 4 Plant Pathology Department, University of Arkansas, 211 PTSC-Fayetteville, AR 72701, U.S.A
| | - Khalid Hameed
- 3 Department of Biology, Duke University, Durham, NC, U.S.A
| | - Steven Wu
- 5 Independent Researcher, Davis, CA, U.S.A
| | - Christopher W Schadt
- 6 Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37830, U.S.A
| | - Jessy Labbé
- 6 Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37830, U.S.A
| | - Gerald A Tuskan
- 6 Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37830, U.S.A
| | - Francis Martin
- 7 INRA, UMR 1136 INRA-University of Lorraine, Interactions Arbres/Microorganismes, Laboratory of Excellence ARBRE, INRA-Nancy, 54280, Champenoux, France
| | - Igor V Grigoriev
- 8 U.S. Department of Energy Joint Genome Institute and Department of Plant and Microbial Biology, University of California Berkeley, 2800 Mitchell Drive, Walnut Creek, CA 94598, U.S.A
| | - Rytas Vilgalys
- 3 Department of Biology, Duke University, Durham, NC, U.S.A
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Zhou D, Li Y, Wang X, Xie F, Chen D, Ma B, Li Y. Mesorhizobium huakuii HtpG Interaction with nsLTP AsE246 Is Required for Symbiotic Nitrogen Fixation. PLANT PHYSIOLOGY 2019; 180:509-528. [PMID: 30765481 PMCID: PMC6501076 DOI: 10.1104/pp.18.00336] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Accepted: 02/04/2019] [Indexed: 05/06/2023]
Abstract
Plant nonspecific lipid transfer proteins (nsLTPs) are involved in a number of biological processes including root nodule symbiosis. However, the role of nsLTPs in legume-rhizobium symbiosis remains poorly understood, and no rhizobia proteins that interact with nsLTPs have been reported to date. In this study, we used a bacteria two-hybrid system and identified the high temperature protein G (HtpG) from Mesorhizobium huakuii that interacts with the nsLTP AsE246. The interaction between HtpG and AsE246 was confirmed by far-Western blotting and bimolecular fluorescence complementation. Our results indicated that the heat shock protein 90 (HSP90) domain of HtpG mediates the HtpG-AsE246 interaction. Immunofluorescence assay showed that HtpG was colocalized with AsE246 in infected nodule cells and symbiosome membranes. Expression of the htpG gene was relatively higher in young nodules and was highly expressed in the infection zones. Further investigation showed that htpG expression affects lipid abundance and profiles in root nodules and plays an essential role in nodule development and nitrogen fixation. Our findings provide further insights into the functional mechanisms behind the transport of symbiosome lipids via nsLTPs in root nodules.
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Affiliation(s)
- Donglai Zhou
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China
| | - Yanan Li
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China
| | - Xuting Wang
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China
| | - Fuli Xie
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China
| | - Dasong Chen
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China
| | - Binguang Ma
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China
| | - Youguo Li
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, China
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Scotti R, D’Agostino N, Zaccardelli M. Gene expression profiling of tomato roots interacting with Pseudomonas fluorescens unravels the molecular reprogramming that occurs during the early phases of colonization. Symbiosis 2019. [DOI: 10.1007/s13199-019-00611-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Fonseca JG, Calderan-Rodrigues MJ, de Moraes FE, Cataldi TR, Jamet E, Labate CA. Cell Wall Proteome of Sugarcane Young and Mature Leaves and Stems. Proteomics 2019; 18. [PMID: 29274249 DOI: 10.1002/pmic.201700129] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2017] [Revised: 10/25/2017] [Indexed: 11/07/2022]
Abstract
By characterizing the cell wall proteomes of different sugarcane organs (leaves and stems) at two developmental stages (young vs mature/apical vs basal), it is possible to address unique characteristics in each of them. Four-month-old leaves show a higher proportion of oxido-reductases and proteins related to lipid metabolism (LM), besides a lower proportion of proteins acting on polysaccharides, in comparison to 4-month-old internodes. It is possible to note that sugarcane leaves and young stems have the highest LM rate than all species, which is assumed to be linked to cuticle formation. The data generated enrich the number of cell wall proteins (CWPs) identified in sugarcane, reaching 277. To our knowledge, sugarcane has now the second higher coverage of monocot CWP in plants.
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Affiliation(s)
- Juliana G Fonseca
- Departamento de Genética, Laboratório Max Feffer de Genética de Plantas, Escola Superior de Agricultura "Luiz de Queiroz", Universidade de São Paulo, Piracicaba, São Paulo, Brazil
| | - Maria J Calderan-Rodrigues
- Departamento de Genética, Laboratório Max Feffer de Genética de Plantas, Escola Superior de Agricultura "Luiz de Queiroz", Universidade de São Paulo, Piracicaba, São Paulo, Brazil
| | - Fabrício E de Moraes
- Departamento de Genética, Laboratório Max Feffer de Genética de Plantas, Escola Superior de Agricultura "Luiz de Queiroz", Universidade de São Paulo, Piracicaba, São Paulo, Brazil
| | - Thaís R Cataldi
- Departamento de Genética, Laboratório Max Feffer de Genética de Plantas, Escola Superior de Agricultura "Luiz de Queiroz", Universidade de São Paulo, Piracicaba, São Paulo, Brazil
| | - Elisabeth Jamet
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, Auzeville, Castanet Tolosan, France
| | - Carlos A Labate
- Departamento de Genética, Laboratório Max Feffer de Genética de Plantas, Escola Superior de Agricultura "Luiz de Queiroz", Universidade de São Paulo, Piracicaba, São Paulo, Brazil
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Sestili F, Pagliarello R, Zega A, Saletti R, Pucci A, Botticella E, Masci S, Tundo S, Moscetti I, Foti S, Lafiandra D. Enhancing grain size in durum wheat using RNAi to knockdown GW2 genes. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2019; 132:419-429. [PMID: 30426174 DOI: 10.1007/s00122-018-3229-9] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 11/02/2018] [Indexed: 05/21/2023]
Abstract
Knocking down GW2 enhances grain size by regulating genes encoding the synthesis of cytokinin, gibberellin, starch and cell wall. Raising crop yield is a priority task in the light of the continuing growth of the world's population and the inexorable loss of arable land to urbanization. Here, the RNAi approach was taken to reduce the abundance of Grain Weight 2 (GW2) transcript in the durum wheat cultivar Svevo. The effect of the knockdown was to increase the grains' starch content by 10-40%, their width by 4-13% and their surface area by 3-5%. Transcriptomic profiling, based on a quantitative real-time PCR platform, revealed that the transcript abundance of genes encoding both cytokinin dehydrogenase 1 and the large subunit of ADP-glucose pyrophosphorylase was markedly increased in the transgenic lines, whereas that of the genes encoding cytokinin dehydrogenase 2 and gibberellin 3-oxidase was reduced. A proteomic analysis of the non-storage fraction extracted from mature grains detected that eleven proteins were differentially represented in the transgenic compared to wild-type grain: some of these were involved, or at least potentially involved, in cell wall development, suggesting a role of GW2 in the regulation of cell division in the wheat grain.
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Affiliation(s)
- Francesco Sestili
- Department of Agriculture and Forest Sciences, University of Tuscia, Via S. Camillo de Lellis, 01100, Viterbo, Italy
| | - Riccardo Pagliarello
- Department of Agriculture and Forest Sciences, University of Tuscia, Via S. Camillo de Lellis, 01100, Viterbo, Italy
| | - Alessandra Zega
- Department of Chemical Sciences, University of Catania, Viale A. Doria 6, 95125, Catania, Italy
| | - Rosaria Saletti
- Department of Chemical Sciences, University of Catania, Viale A. Doria 6, 95125, Catania, Italy
| | - Anna Pucci
- Department of Agriculture and Forest Sciences, University of Tuscia, Via S. Camillo de Lellis, 01100, Viterbo, Italy
| | - Ermelinda Botticella
- Department of Agriculture and Forest Sciences, University of Tuscia, Via S. Camillo de Lellis, 01100, Viterbo, Italy
| | - Stefania Masci
- Department of Agriculture and Forest Sciences, University of Tuscia, Via S. Camillo de Lellis, 01100, Viterbo, Italy
| | - Silvio Tundo
- Department of Agriculture and Forest Sciences, University of Tuscia, Via S. Camillo de Lellis, 01100, Viterbo, Italy
| | - Ilaria Moscetti
- Department of Agriculture and Forest Sciences, University of Tuscia, Via S. Camillo de Lellis, 01100, Viterbo, Italy
| | - Salvatore Foti
- Department of Chemical Sciences, University of Catania, Viale A. Doria 6, 95125, Catania, Italy
| | - Domenico Lafiandra
- Department of Agriculture and Forest Sciences, University of Tuscia, Via S. Camillo de Lellis, 01100, Viterbo, Italy.
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Lee SB, Suh MC. Disruption of glycosylphosphatidylinositol-anchored lipid transfer protein 15 affects seed coat permeability in Arabidopsis. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2018; 96:1206-1217. [PMID: 30242928 DOI: 10.1111/tpj.14101] [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: 09/01/2017] [Revised: 09/07/2018] [Accepted: 09/19/2018] [Indexed: 05/02/2023]
Abstract
The hydrophobic biopolymer suberin, which is deposited in the root endodermis and seed coats, functions as an extracellular barrier against uncontrolled water, gas, and ion loss. Suberin monomers synthesized in the endoplasmic reticulum (ER) are exported through the plasma membrane to the apoplast. However, limited information is available about the molecular mechanisms underlying suberin monomer export and assembly. In this study, we investigated the in planta role of LTPG15 encoding a glycosylphosphatidylinositol (GPI)-anchored lipid transfer protein. LTPG15 was predominantly expressed in the root endodermis and seed coat. Fluorescent signals from LTPG15:eYFP were detected in the plasma membrane in tobacco epidermis. Disruption of LTPG15 caused a significant decrease in the levels of fatty acids (C20-C24), primary alcohols (C20 and C22), ω-hydroxy fatty acids (C22 and C24), and α,ω-alkanediols (C20 and C22), but an increase in the amounts of primary alcohols and hydroxy fatty acids with C16 and C18 in seed coats. The mutant phenotype was restored to that of the wild type (WT) by the expression of LTPG15 driven by its own promoter. Seed coats of ltpg15 had an increase in permeability to tetrazolium salts compared with WT seed coats. ltpg15 seeds were more sensitive than WT seeds to inhibition of germination and seedling establishment by salt and osmotic stress treatments. Taken together, our results indicate that LTPG15 is involved in suberin monomer export in seed coats, and this highlights the role of Type G non-specific lipid transfer proteins (LTPGs) in very-long-chain fatty acids and their derivatives' export for suberin polyester formation.
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Affiliation(s)
- Saet B Lee
- Department of Bioenergy Science and Technology, Chonnam National University, Gwangju, 61186, Korea
| | - Mi-Chung Suh
- Department of Life Science, Sogang University, Seoul, 04107, Korea
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Cherkaoui M, Geairon A, Lollier V, Clemente HS, Larré C, Rogniaux H, Jamet E, Guillon F, Francin-Allami M. Cell Wall Proteome Investigation of Bread Wheat (Triticum Aestivum) Developing Grain in Endosperm and Outer Layers. Proteomics 2018; 18:e1800286. [PMID: 30288912 DOI: 10.1002/pmic.201800286] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 09/13/2018] [Indexed: 12/29/2022]
Abstract
The remodeling of cell wall polysaccharides is controlled by cell wall proteins (CWPs) during the development of wheat grain. This work describes for the first time the cell wall proteomes of the endosperm and outer layers of the wheat developing grain, which have distinct physiological functions and technological uses. Altogether 636 nonredundant predicted CWPs are identified with 337 proteins in the endosperm and 594 proteins in the outer layers, among which 295 proteins are present in both tissues, suggesting both common and tissue specific remodeling activities. These proteins are distributed into eight functional classes. Approximatively a quarter of them were predicted to act on cell wall polysaccharides, with many glycosylhydrolases and also expansin, lyases, and carbohydrate esterases. Therefore, these results provide crucial data to go further in the understanding of relationship between tissue-specific morphogenesis and cell wall remodeling in cereals. Data are available via ProteomeXchange with identifier PXD010367.
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Affiliation(s)
| | - Audrey Geairon
- INRA, Biopolymères Interactions Assemblages, Nantes, France
| | | | - Hélène San Clemente
- Laboratoire de Recherche en Sciences Végétales, CNRS, UPS, Université de Toulouse, Auzeville, Castanet Tolosan, France
| | - Colette Larré
- INRA, Biopolymères Interactions Assemblages, Nantes, France
| | | | - Elisabeth Jamet
- Laboratoire de Recherche en Sciences Végétales, CNRS, UPS, Université de Toulouse, Auzeville, Castanet Tolosan, France
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Ji J, Lv H, Yang L, Fang Z, Zhuang M, Zhang Y, Liu Y, Li Z. Genome-wide identification and characterization of non-specific lipid transfer proteins in cabbage. PeerJ 2018; 6:e5379. [PMID: 30128186 PMCID: PMC6089208 DOI: 10.7717/peerj.5379] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Accepted: 07/14/2018] [Indexed: 12/28/2022] Open
Abstract
Plant non-specific lipid transfer proteins (nsLTPs) are a group of small, secreted proteins that can reversibly bind and transport hydrophobic molecules. NsLTPs play an important role in plant development and resistance to stress. To date, little is known about the nsLTP family in cabbage. In this study, a total of 89 nsLTP genes were identified via comprehensive research on the cabbage genome. These cabbage nsLTPs were classified into six types (1, 2, C, D, E and G). The gene structure, physical and chemical characteristics, homology, conserved motifs, subcellular localization, tertiary structure and phylogeny of the cabbage nsLTPs were comprehensively investigated. Spatial expression analysis revealed that most of the identified nsLTP genes were positively expressed in cabbage, and many of them exhibited patterns of differential and tissue-specific expression. The expression patterns of the nsLTP genes in response to biotic and abiotic stresses were also investigated. Numerous nsLTP genes in cabbage were found to be related to the resistance to stress. Moreover, the expression patterns of some nsLTP paralogs in cabbage showed evident divergence. This study promotes the understanding of nsLTPs characteristics in cabbage and lays the foundation for further functional studies investigating cabbage nsLTPs.
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Affiliation(s)
- Jialei Ji
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops, Ministry of Agriculture/Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Honghao Lv
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops, Ministry of Agriculture/Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Limei Yang
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops, Ministry of Agriculture/Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Zhiyuan Fang
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops, Ministry of Agriculture/Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Mu Zhuang
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops, Ministry of Agriculture/Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yangyong Zhang
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops, Ministry of Agriculture/Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yumei Liu
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops, Ministry of Agriculture/Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Zhansheng Li
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops, Ministry of Agriculture/Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
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Edqvist J, Blomqvist K, Nieuwland J, Salminen TA. Plant lipid transfer proteins: are we finally closing in on the roles of these enigmatic proteins? J Lipid Res 2018; 59:1374-1382. [PMID: 29555656 PMCID: PMC6071764 DOI: 10.1194/jlr.r083139] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2017] [Revised: 01/23/2018] [Indexed: 12/22/2022] Open
Abstract
The nonspecific lipid transfer proteins (LTPs) are small compact proteins folded around a tunnel-like hydrophobic cavity, making them suitable for lipid binding and transport. LTPs are encoded by large gene families in all land plants, but they have not been identified in algae or any other organisms. Thus, LTPs are considered key proteins for plant survival on and colonization of land. LTPs are abundantly expressed in most plant tissues, both above and below ground. They are usually localized to extracellular spaces outside the plasma membrane. Although the in vivo functions of LTPs remain unclear, accumulating evidence suggests a role for LTPs in the transfer and deposition of monomers required for assembly of the waterproof lipid barriers, such as cutin and cuticular wax, suberin, and sporopollenin, formed on many plant surfaces. Some LTPs may be involved in other processes, such as signaling during pathogen attacks. Here, we present the current status of LTP research with a focus on the role of these proteins in lipid barrier deposition and cell expansion. We suggest that LTPs facilitate extracellular transfer of barrier materials and adhesion between barriers and extracellular materials. A growing body of research may uncover the true role of LTPs in plants.
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Affiliation(s)
| | | | - Jeroen Nieuwland
- Faculty of Computing, Engineering, and Science, University of South Wales, CF37 1DL Pontypridd, United Kingdom
| | - Tiina A Salminen
- Structural Bioinformatics Laboratory, Biochemistry, Faculty of Science and Engineering, Åbo Akademi University, FI-20520 Turku, Finland
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Durgud M, Gupta S, Ivanov I, Omidbakhshfard MA, Benina M, Alseekh S, Staykov N, Hauenstein M, Dijkwel PP, Hörtensteiner S, Toneva V, Brotman Y, Fernie AR, Mueller-Roeber B, Gechev TS. Molecular Mechanisms Preventing Senescence in Response to Prolonged Darkness in a Desiccation-Tolerant Plant. PLANT PHYSIOLOGY 2018; 177:1319-1338. [PMID: 29789435 PMCID: PMC6053018 DOI: 10.1104/pp.18.00055] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 05/09/2018] [Indexed: 05/28/2023]
Abstract
The desiccation-tolerant plant Haberlea rhodopensis can withstand months of darkness without any visible senescence. Here, we investigated the molecular mechanisms of this adaptation to prolonged (30 d) darkness and subsequent return to light. H. rhodopensis plants remained green and viable throughout the dark treatment. Transcriptomic analysis revealed that darkness regulated several transcription factor (TF) genes. Stress- and autophagy-related TFs such as ERF8, HSFA2b, RD26, TGA1, and WRKY33 were up-regulated, while chloroplast- and flowering-related TFs such as ATH1, COL2, COL4, RL1, and PTAC7 were repressed. PHYTOCHROME INTERACTING FACTOR4, a negative regulator of photomorphogenesis and promoter of senescence, also was down-regulated. In response to darkness, most of the photosynthesis- and photorespiratory-related genes were strongly down-regulated, while genes related to autophagy were up-regulated. This occurred concomitant with the induction of SUCROSE NON-FERMENTING1-RELATED PROTEIN KINASES (SnRK1) signaling pathway genes, which regulate responses to stress-induced starvation and autophagy. Most of the genes associated with chlorophyll catabolism, which are induced by darkness in dark-senescing species, were either unregulated (PHEOPHORBIDE A OXYGENASE, PAO; RED CHLOROPHYLL CATABOLITE REDUCTASE, RCCR) or repressed (STAY GREEN-LIKE, PHEOPHYTINASE, and NON-YELLOW COLORING1). Metabolite profiling revealed increases in the levels of many amino acids in darkness, suggesting increased protein degradation. In darkness, levels of the chloroplastic lipids digalactosyldiacylglycerol, monogalactosyldiacylglycerol, phosphatidylglycerol, and sulfoquinovosyldiacylglycerol decreased, while those of storage triacylglycerols increased, suggesting degradation of chloroplast membrane lipids and their conversion to triacylglycerols for use as energy and carbon sources. Collectively, these data show a coordinated response to darkness, including repression of photosynthetic, photorespiratory, flowering, and chlorophyll catabolic genes, induction of autophagy and SnRK1 pathways, and metabolic reconfigurations that enable survival under prolonged darkness.
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Affiliation(s)
- Meriem Durgud
- Center of Plant Systems Biology and Biotechnology, Plovdiv 4000, Bulgaria
- Institute of Molecular Biology and Biotechnology, Plovdiv 4000, Bulgaria
- Department of Plant Physiology and Molecular Biology, University of Plovdiv, Plovdiv 4000, Bulgaria
| | - Saurabh Gupta
- Department Molecular Biology, Institute of Biochemistry and Biology, University of Potsdam, 14476 Potsdam, Germany
| | - Ivan Ivanov
- Center of Plant Systems Biology and Biotechnology, Plovdiv 4000, Bulgaria
- Institute of Molecular Biology and Biotechnology, Plovdiv 4000, Bulgaria
| | - M Amin Omidbakhshfard
- Department Molecular Biology, Institute of Biochemistry and Biology, University of Potsdam, 14476 Potsdam, Germany
- Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, 14476 Potsdam, Germany
| | - Maria Benina
- Center of Plant Systems Biology and Biotechnology, Plovdiv 4000, Bulgaria
| | - Saleh Alseekh
- Center of Plant Systems Biology and Biotechnology, Plovdiv 4000, Bulgaria
- Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, 14476 Potsdam, Germany
| | - Nikola Staykov
- Center of Plant Systems Biology and Biotechnology, Plovdiv 4000, Bulgaria
- Institute of Molecular Biology and Biotechnology, Plovdiv 4000, Bulgaria
| | - Mareike Hauenstein
- Department of Plant and Microbial Biology, University of Zurich, CH-8008 Zurich, Switzerland
| | - Paul P Dijkwel
- Institute of Fundamental Sciences, Massey University, 4474 Palmerston North, New Zealand
| | - Stefan Hörtensteiner
- Department of Plant and Microbial Biology, University of Zurich, CH-8008 Zurich, Switzerland
| | - Valentina Toneva
- Center of Plant Systems Biology and Biotechnology, Plovdiv 4000, Bulgaria
- Institute of Molecular Biology and Biotechnology, Plovdiv 4000, Bulgaria
- Department of Plant Physiology and Molecular Biology, University of Plovdiv, Plovdiv 4000, Bulgaria
| | - Yariv Brotman
- Department of Life Sciences, Ben Gurion University of the Negev, Beersheva, Israel
| | - Alisdair R Fernie
- Center of Plant Systems Biology and Biotechnology, Plovdiv 4000, Bulgaria
- Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, 14476 Potsdam, Germany
| | - Bernd Mueller-Roeber
- Center of Plant Systems Biology and Biotechnology, Plovdiv 4000, Bulgaria
- Department Molecular Biology, Institute of Biochemistry and Biology, University of Potsdam, 14476 Potsdam, Germany
| | - Tsanko S Gechev
- Center of Plant Systems Biology and Biotechnology, Plovdiv 4000, Bulgaria
- Institute of Molecular Biology and Biotechnology, Plovdiv 4000, Bulgaria
- Department of Plant Physiology and Molecular Biology, University of Plovdiv, Plovdiv 4000, Bulgaria
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