1
|
Yan B, Zhang L, Jiao K, Wang Z, Yong K, Lu M. Vesicle formation-related protein CaSec16 and its ankyrin protein partner CaANK2B jointly enhance salt tolerance in pepper. JOURNAL OF PLANT PHYSIOLOGY 2024; 296:154240. [PMID: 38603993 DOI: 10.1016/j.jplph.2024.154240] [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: 10/20/2023] [Revised: 03/26/2024] [Accepted: 03/26/2024] [Indexed: 04/13/2024]
Abstract
Vesicle transport plays important roles in plant tolerance against abiotic stresses. However, the contribution of a vesicle formation related protein CaSec16 (COPII coat assembly protein Sec16-like) in pepper tolerance to salt stress remains unclear. In this study, we report that the expression of CaSec16 was upregulated by salt stress. Compared to the control, the salt tolerance of pepper with CaSec16-silenced was compromised, which was shown by the corresponding phenotypes and physiological indexes, such as the death of growing point, the aggravated leaf wilting, the higher increment of relative electric leakage (REL), the lower content of total chlorophyll, the higher accumulation of dead cells, H2O2, malonaldehyde (MDA), and proline (Pro), and the inhibited induction of marker genes for salt-tolerance and vesicle transport. In contrast, the salt tolerance of pepper was enhanced by the transient overexpression of CaSec16. In addition, heterogeneously induced CaSec16 protein did not enhance the salt tolerance of Escherichia coli, an organism lacking the vesicle transport system. By yeast two-hybrid method, an ankyrin protein, CaANK2B, was identified as the interacting protein of CaSec16. The expression of CaANK2B showed a downward trend during the process of salt stress. Compared with the control, pepper plants with transient-overexpression of CaANK2B displayed increased salt tolerance, whereas those with CaANK2B-silenced exhibited reduced salt tolerance. Taken together, both the vesicle formation related protein CaSec16 and its interaction partner CaANK2B can improve the pepper tolerance to salt stress.
Collapse
Affiliation(s)
- Bentao Yan
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Linyang Zhang
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Kexin Jiao
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Zhenze Wang
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Kang Yong
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Minghui Lu
- College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China.
| |
Collapse
|
2
|
Liu H, Chong P, Yan S, Liu Z, Bao X, Tan B. Transcriptome and Proteome Association Analysis to Screen Candidate Genes Related to Salt Tolerance in Reaumuria soongorica Leaves under Salt Stress. PLANTS (BASEL, SWITZERLAND) 2023; 12:3542. [PMID: 37896006 PMCID: PMC10609793 DOI: 10.3390/plants12203542] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 10/06/2023] [Accepted: 10/06/2023] [Indexed: 10/29/2023]
Abstract
This work aims at studying the molecular mechanisms underlying the response of Reaumuria soongorica to salt stress. We used RNA sequencing (RNA-Seq) and Tandem Mass Tag (TMT) techniques to identify differentially expressed genes (DEGs) and differentially expressed proteins (DEPs) in R. soongorica leaves treated with 0, 200, and 500 mM NaCl for 72 h. The results indicated that compared with the 0 mM NaCl treatment group, 2391 and 6400 DEGs were identified in the 200 and 500 mM NaCl treatment groups, respectively, while 47 and 177 DEPs were also identified. Transcriptome and proteome association analysis was further performed on R. soongorica leaves in the 0/500 mM NaCl treatment group, and 32 genes with consistent mRNA and protein expression trends were identified. SYP71, CS, PCC13-62, PASN, ZIFL1, CHS2, and other differential genes are involved in photosynthesis, vesicle transport, auxin transport, and other functions of plants, and might play a key role in the salt tolerance of R. soongorica. In this study, transcriptome and proteome association techniques were used to screen candidate genes associated with salt tolerance in R. soongorica, which provides an important theoretical basis for understanding the molecular mechanism of salt tolerance in R. soongorica and breeding high-quality germplasm resources.
Collapse
Affiliation(s)
- Hanghang Liu
- College of Forestry, Gansu Agricultural University, Lanzhou 730070, China; (H.L.); (Z.L.); (X.B.); (B.T.)
| | - Peifang Chong
- College of Forestry, Gansu Agricultural University, Lanzhou 730070, China; (H.L.); (Z.L.); (X.B.); (B.T.)
| | - Shipeng Yan
- School of Forestry Engineering, Shandong Agriculture and Engineering University, Jinan 250100, China;
| | - Zehua Liu
- College of Forestry, Gansu Agricultural University, Lanzhou 730070, China; (H.L.); (Z.L.); (X.B.); (B.T.)
| | - Xinguang Bao
- College of Forestry, Gansu Agricultural University, Lanzhou 730070, China; (H.L.); (Z.L.); (X.B.); (B.T.)
| | - Bingbing Tan
- College of Forestry, Gansu Agricultural University, Lanzhou 730070, China; (H.L.); (Z.L.); (X.B.); (B.T.)
| |
Collapse
|
3
|
Zhou Y, Xu K, Gao H, Yao W, Zhang Y, Zhang Y, Azhar Hussain M, Wang F, Yang X, Li H. Comparative Proteomic Analysis of Two Wild Soybean ( Glycine soja) Genotypes Reveals Positive Regulation of Saline-Alkaline Stress Tolerance by Tonoplast Transporters. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:14109-14124. [PMID: 37749803 DOI: 10.1021/acs.jafc.3c02111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
Soil saline-alkalization is a significant constraint for soybean production. Owing to higher genetic diversity of wild soybean, we compared the proteomic landscape of saline-alkaline stress-tolerant (SWBY032) and stress-sensitive (SWLJ092) wild soybean (Glycine soja) strains under saline and saline-alkaline stress. Out of 346 differentially expressed proteins (DEPs) specifically involved in saline-alkaline stress, 159 and 133 DEPs were identified in only SWLJ092 and SWBY032, respectively. Functional annotations revealed that more ribosome proteins were downregulated in SWLJ092, whereas more membrane transporters were upregulated in SWBY032. Moreover, protein-protein interaction analysis of 133 DEPs revealed that 14 protein-synthesis- and 2 TCA-cycle-related DEPs might alter saline-alkaline tolerance by affecting protein synthesis and amino acid metabolism. Furthermore, we confirmed G. soja tonoplast intrinsic protein (GsTIP2-1 and GsTIP2-2), inositol transporter (GsINT1), sucrose transport protein (GsSUC4), and autoinhibited Ca2+-ATPase (GsACA11) as tonoplast transporters can synergistically improve saline-alkaline tolerance in soybean, possibly by relieving the inhibition of protein synthesis and amino acid metabolism. Overall, our findings provided a foundation for molecular breeding of a saline-alkaline stress-tolerant soybean.
Collapse
Affiliation(s)
- Yonggang Zhou
- Sanya Nanfan Research Institute of Hainan University, Sanya 572025, China
- Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China
- College of Tropical Crops, Hainan University, Haikou 570288, China
| | - Keheng Xu
- Sanya Nanfan Research Institute of Hainan University, Sanya 572025, China
| | - Hongtao Gao
- Sanya Nanfan Research Institute of Hainan University, Sanya 572025, China
- Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China
- College of Tropical Crops, Hainan University, Haikou 570288, China
| | - Wenbo Yao
- College of Tropical Crops, Hainan University, Haikou 570288, China
| | - Yinhe Zhang
- College of Tropical Crops, Hainan University, Haikou 570288, China
| | - Yuntong Zhang
- College of Tropical Crops, Hainan University, Haikou 570288, China
| | - Muhammad Azhar Hussain
- Sanya Nanfan Research Institute of Hainan University, Sanya 572025, China
- College of Tropical Crops, Hainan University, Haikou 570288, China
| | - Fawei Wang
- College of Life Sciences, Jilin Agricultural University, Changchun 130118, China
| | - Xinquan Yang
- Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China
- School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China
| | - Haiyan Li
- Sanya Nanfan Research Institute of Hainan University, Sanya 572025, China
- Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China
- College of Tropical Crops, Hainan University, Haikou 570288, China
| |
Collapse
|
4
|
Salinas-Cornejo J, Madrid-Espinoza J, Verdugo I, Norambuena L, Ruiz-Lara S. A SNARE-like protein from Solanum lycopersicum increases salt tolerance by modulating vesicular trafficking in tomato. FRONTIERS IN PLANT SCIENCE 2023; 14:1212806. [PMID: 37593042 PMCID: PMC10431929 DOI: 10.3389/fpls.2023.1212806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 07/04/2023] [Indexed: 08/19/2023]
Abstract
Intracellular vesicular trafficking ensures the exchange of lipids and proteins between endomembrane compartments. This is relevant under high salinity conditions, since both the removal of transporters and ion channels from the plasma membrane and the compartmentalization of toxic ions require the formation of vesicles, which can be maintained as multivesicular bodies or be fused to the central vacuole. SNARE proteins (Soluble N-ethylmaleimide-sensitive factor attachment receptor) participate in the vesicle fusion process and give specificity to their destination. Plant genome studies have revealed a superfamily of genes that encode for proteins called SNARE-like. These proteins appear to be participating in vesicular trafficking with similar functions to those of SNARE proteins. A SNARE-like, named SlSLSP6, in Solanum lycopersicum plants has been shown to be induced under high salinity conditions. A phylogenetic relationship of SlSLSP6 with SNARE-like proteins of salinity-tolerant plants, including Salicornia brachiata, Zostera marina and Solanum pennelli, was determined. Considering its amino acid sequence, a putative clathrin adapter complex domain and palmitoylation site was predicted. Subcellular localization analysis evidenced that SlSLSP6 is mostly localized in the plasma membrane. Using transgenic tomato plants, we identified that overexpression of SlSLSP6 increased tolerance to salt stress. This tolerance was evident when we quantified an improvement in physiological and biochemical parameters, such as higher chlorophyll content, performance index, efficiency of photosystem II and relative water content, and lower malondialdehyde content, compared to control plants. At the subcellular level, the overexpression of SlSLSP6 reduced the presence of H2O2 in roots and increased the compartmentalization of sodium in vacuoles during salt stress. These effects appear to be associated with the higher endocytic rate of FM4-64, determined in the plant root cells. Taken together, these results indicate that SlSLSP6 increases tolerance to salt stress by modulating vesicular trafficking through over-induction of the endocytic pathway. This work contributes to understanding the role of this type of SNARE-like protein during salt stress and could be a potential candidate in breeding programs for tolerance to salt stress in tomato plants.
Collapse
Affiliation(s)
- Josselyn Salinas-Cornejo
- Laboratorio de Genómica Funcional, Instituto de Ciencias Biológicas, Universidad de Talca, Talca, Chile
| | - José Madrid-Espinoza
- Laboratorio de Genómica Funcional, Instituto de Ciencias Biológicas, Universidad de Talca, Talca, Chile
| | - Isabel Verdugo
- Laboratorio de Genómica Funcional, Instituto de Ciencias Biológicas, Universidad de Talca, Talca, Chile
| | - Lorena Norambuena
- Departamento de Biología, Facultad de Ciencias, Universidad de Chile, Santiago, Chile
| | - Simón Ruiz-Lara
- Laboratorio de Genómica Funcional, Instituto de Ciencias Biológicas, Universidad de Talca, Talca, Chile
| |
Collapse
|
5
|
Gómez-Méndez MF, Amezcua-Romero JC, Rosas-Santiago P, Hernández-Domínguez EE, de Luna-Valdez LA, Ruiz-Salas JL, Vera-Estrella R, Pantoja O. Ice plant root plasma membrane aquaporins are regulated by clathrin-coated vesicles in response to salt stress. PLANT PHYSIOLOGY 2023; 191:199-218. [PMID: 36383186 PMCID: PMC9806614 DOI: 10.1093/plphys/kiac515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
The regulation of root Plasma membrane (PM) Intrinsic Protein (PIP)-type aquaporins (AQPs) is potentially important for salinity tolerance. However, the molecular and cellular details underlying this process in halophytes remain unclear. Using free-flow electrophoresis and label-free proteomics, we report that the increased abundance of PIPs at the PM of the halophyte ice plant (Mesembryanthemum crystallinum L.) roots under salinity conditions is regulated by clathrin-coated vesicles (CCV). To understand this regulation, we analyzed several components of the M. crystallinum CCV complexes: clathrin light chain (McCLC) and subunits μ1 and μ2 of the adaptor protein (AP) complex (McAP1μ and McAP2μ). Co-localization analyses revealed the association between McPIP1;4 and McAP2μ and between McPIP2;1 and McAP1μ, observations corroborated by mbSUS assays, suggesting that AQP abundance at the PM is under the control of CCV. The ability of McPIP1;4 and McPIP2;1 to form homo- and hetero-oligomers was tested and confirmed, as well as their activity as water channels. Also, we found increased phosphorylation of McPIP2;1 only at the PM in response to salt stress. Our results indicate root PIPs from halophytes might be regulated through CCV trafficking and phosphorylation, impacting their localization, transport activity, and abundance under salinity conditions.
Collapse
Affiliation(s)
| | - Julio César Amezcua-Romero
- Departamento de Ciencias Agrogenómicas, Escuela Nacional de Estudios Superiores, Unidad León, Universidad Nacional Autónoma de México, León, México
| | - Paul Rosas-Santiago
- Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, México
| | | | - Luis Alberto de Luna-Valdez
- Department of Microbiology & Plant Pathology, Institute for Integrative Genome Biology, University of California, Riverside, California, USA
| | - Jorge Luis Ruiz-Salas
- Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, México
| | - Rosario Vera-Estrella
- Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, México
| | - Omar Pantoja
- Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, México
| |
Collapse
|
6
|
Progress and Applications of Plant Growth-Promoting Bacteria in Salt Tolerance of Crops. Int J Mol Sci 2022; 23:ijms23137036. [PMID: 35806037 PMCID: PMC9266936 DOI: 10.3390/ijms23137036] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 06/21/2022] [Accepted: 06/22/2022] [Indexed: 02/04/2023] Open
Abstract
Saline soils are a major challenge in agriculture, and salinization is increasing worldwide due to climate change and destructive agricultural practices. Excessive amounts of salt in soils cause imbalances in ion distribution, physiological dehydration, and oxidative stress in plants. Breeding and genetic engineering methods to improve plant salt tolerance and the better use of saline soils are being explored; however, these approaches can take decades to accomplish. A shorter-term approach to improve plant salt tolerance is to be inoculated with bacteria with high salt tolerance or adjusting the balance of bacteria in the rhizosphere, including endosymbiotic bacteria (living in roots or forming a symbiont) and exosymbiotic bacteria (living on roots). Rhizosphere bacteria promote plant growth and alleviate salt stress by providing minerals (such as nitrogen, phosphate, and potassium) and hormones (including auxin, cytokinin, and abscisic acid) or by reducing ethylene production. Plant growth-promoting rhizosphere bacteria are a promising tool to restore agricultural lands and improve plant growth in saline soils. In this review, we summarize the mechanisms of plant growth-promoting bacteria under salt stress and their applications for improving plant salt tolerance to provide a theoretical basis for further use in agricultural systems.
Collapse
|
7
|
Bonarota MS, Kosma DK, Barrios-Masias FH. Salt tolerance mechanisms in the Lycopersicon clade and their trade-offs. AOB PLANTS 2022; 14:plab072. [PMID: 35079327 PMCID: PMC8782609 DOI: 10.1093/aobpla/plab072] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 11/29/2021] [Indexed: 05/08/2023]
Abstract
Salt stress impairs growth and yield in tomato, which is mostly cultivated in arid and semi-arid areas of the world. A number of wild tomato relatives (Solanum pimpinellifolium, S. pennellii, S. cheesmaniae and S. peruvianum) are endemic to arid coastal areas and able to withstand higher concentration of soil salt concentrations, making them a good genetic resource for breeding efforts aimed at improving salt tolerance and overall crop improvement. However, the complexity of salt stress response makes it difficult to introgress tolerance traits from wild relatives that could effectively increase tomato productivity under high soil salt concentrations. Under commercial production, biomass accumulation is key for high fruit yields, and salt tolerance management strategies should aim to maintain a favourable plant water and nutrient status. In this review, we first compare the effects of salt stress on the physiology of the domesticated tomato and its wild relatives. We then discuss physiological and energetic trade-offs for the different salt tolerance mechanisms found within the Lycopersicon clade, with a focus on the importance of root traits to sustain crop productivity.
Collapse
Affiliation(s)
- Maria-Sole Bonarota
- Department of Agriculture, Veterinary and Rangeland Sciences, University of Nevada, Reno, NV 89557, USA
| | - Dylan K Kosma
- Department of Biochemistry and Molecular Biology, University of Nevada, Reno, NV 89557, USA
| | - Felipe H Barrios-Masias
- Department of Agriculture, Veterinary and Rangeland Sciences, University of Nevada, Reno, NV 89557, USA
- Corresponding author’s e-mail address:
| |
Collapse
|
8
|
Zhang M, Chen Z, Yuan F, Wang B, Chen M. Integrative transcriptome and proteome analyses provide deep insights into the molecular mechanism of salt tolerance in Limonium bicolor. PLANT MOLECULAR BIOLOGY 2022; 108:127-143. [PMID: 34950990 DOI: 10.1007/s11103-021-01230-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 12/02/2021] [Indexed: 05/21/2023]
Abstract
Integrative transcriptome and proteome analyses revealed many candidate members that may involve in salt secretion from salt glands in Limonium bicolor. Limonium bicolor, a typical recretohalophyte, protects itself from salt damage by excreting excess salt out of its cells through salt glands. Here, to provide an overview of the salt-tolerance mechanism of L. bicolor, we conducted integrative transcriptome and proteome analyses of this species under salt treatment. We identified numerous differentially expressed transcripts and proteins that may be related to the salt-tolerance mechanism of L. bicolor. By measuring the Na+ secretion rate, were found that this cation secretion rate of a single salt gland was significantly increased after high salinity treatment compared with that in control and then reached the maximum in a short time. Interestingly, transcripts and proteins involved in transmembrane transport of ions were differentially expressed in response to high salinity treatment, suggesting a number of genes and proteins they may play important roles in the salt-stress response. Correlation between differentially expressed transcript and protein profiles revealed several transcripts and proteins that may be responsible for salt tolerance, such as cellulose synthases and annexins. Our findings uncovered many candidate transcripts and proteins in response to the salt tolerance of L. bicolor, providing deep insights into the molecular mechanisms of this important process in recretohalophytes.
Collapse
Affiliation(s)
- Mingjing Zhang
- Shandong Provincial Key Laboratory of Plant Stress Research, College of Life Science, Shandong Normal University, Jinan, 250014, PR China
| | - Zhuo Chen
- Shandong Provincial Key Laboratory of Plant Stress Research, College of Life Science, Shandong Normal University, Jinan, 250014, PR China
| | - Fang Yuan
- Shandong Provincial Key Laboratory of Plant Stress Research, College of Life Science, Shandong Normal University, Jinan, 250014, PR China
| | - Baoshan Wang
- Shandong Provincial Key Laboratory of Plant Stress Research, College of Life Science, Shandong Normal University, Jinan, 250014, PR China.
| | - Min Chen
- Shandong Provincial Key Laboratory of Plant Stress Research, College of Life Science, Shandong Normal University, Jinan, 250014, PR China.
| |
Collapse
|
9
|
Arif MA, Top O, Csicsely E, Lichtenstern M, Beheshti H, Adjabi K, Frank W. DICER-LIKE1a autoregulation based on intronic microRNA processing is required for stress adaptation in Physcomitrium patens. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2022; 109:227-240. [PMID: 34743365 DOI: 10.1111/tpj.15570] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 10/27/2021] [Accepted: 11/05/2021] [Indexed: 06/13/2023]
Abstract
The Physcomitrium patens DICER-LIKE1a (PpDCL1a) mRNA encoding the essential Dicer protein for microRNA (miRNA) biogenesis harbors an intronic miRNA (miR1047). An autoregulatory mechanism to control PpDCL1a abundance that is based on competitive processing of the intronic miRNA and proper PpDCL1a mRNA splicing has previously been proposed. If intron splicing occurs first the mRNA can be translated into the functional PpDCL1a protein, whereas the processing of the intronic miRNA catalyzed by PpDCL1a itself, prior to pre-mRNA splicing, generates a truncated transcript unable to produce a functional protein. This proposed autoregulation of DCL1 has not been functionally analyzed in any plant species, and the existence of this autoregulatory control is expected to have a general impact on the overall miRNA biogenesis pathway and the transcriptome that is under miRNA control. We abolished PpDCL1a autoregulatory feedback control by the precise deletion of the MIR1047-containing intron. The generated line displayed hypersensitivity to salt stress and hyposensitivity to the plant hormone ABA, accompanied by the disturbed expression of miRNAs and mRNAs, revealed by transcriptome analyses. The feedback control together with the phenotypic abnormalities and molecular changes in the intron-less line can be rescued by the re-insertion of a modified intron harboring a sequence-unrelated artificial miRNA. Our findings indicate the physiological importance of miR1047-based feedback control of PpDCL1a transcript abundance, which controls the expression of miRNAs, and their cognate target RNAs during salt stress adaptation, and suggests a key role for this autoregulation in the molecular adaptation of land plants to terrestrial habitats.
Collapse
Affiliation(s)
- M Asif Arif
- Plant Molecular Cell Biology, Department Biology I, Ludwig-Maximilians-Universität München, LMU Biocenter, Großhaderner Straße 2-4, Planegg-Martinsried, 82152, Germany
| | - Oguz Top
- Plant Molecular Cell Biology, Department Biology I, Ludwig-Maximilians-Universität München, LMU Biocenter, Großhaderner Straße 2-4, Planegg-Martinsried, 82152, Germany
| | - Erika Csicsely
- Plant Molecular Cell Biology, Department Biology I, Ludwig-Maximilians-Universität München, LMU Biocenter, Großhaderner Straße 2-4, Planegg-Martinsried, 82152, Germany
| | - Myriam Lichtenstern
- Plant Molecular Cell Biology, Department Biology I, Ludwig-Maximilians-Universität München, LMU Biocenter, Großhaderner Straße 2-4, Planegg-Martinsried, 82152, Germany
| | - Hossein Beheshti
- Plant Molecular Cell Biology, Department Biology I, Ludwig-Maximilians-Universität München, LMU Biocenter, Großhaderner Straße 2-4, Planegg-Martinsried, 82152, Germany
| | - Kaoutar Adjabi
- Plant Molecular Cell Biology, Department Biology I, Ludwig-Maximilians-Universität München, LMU Biocenter, Großhaderner Straße 2-4, Planegg-Martinsried, 82152, Germany
| | - Wolfgang Frank
- Plant Molecular Cell Biology, Department Biology I, Ludwig-Maximilians-Universität München, LMU Biocenter, Großhaderner Straße 2-4, Planegg-Martinsried, 82152, Germany
| |
Collapse
|
10
|
Ambastha V, Matityahu I, Tidhar D, Leshem Y. RabA2b Overexpression Alters the Plasma-Membrane Proteome and Improves Drought Tolerance in Arabidopsis. FRONTIERS IN PLANT SCIENCE 2021; 12:738694. [PMID: 34691115 PMCID: PMC8526897 DOI: 10.3389/fpls.2021.738694] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 09/13/2021] [Indexed: 06/07/2023]
Abstract
Rab proteins are small GTPases that are important in the regulation of vesicle trafficking. Through data mining, we identified RabA2b to be stress responsive, though little is known about the involvement of RabA in plant responses to abiotic stresses. Analysis of the RabA2b native promoter showed strong activity during osmotic stress, which required the stress hormone Abscisic acid (ABA) and was restricted to the vasculature. Sequence analysis of the promoter region identified predicted binding motifs for several ABA-responsive transcription factors. We cloned RabA2b and overexpressed it in Arabidopsis. The resulting transgenic plants were strikingly drought resistant. The reduced water loss observed in detached leaves of the transgenic plants could not be explained by stomatal aperture or density, which was similar in all the genotypes. Subcellular localization studies detected strong colocalization between RabA2b and the plasma membrane (PM) marker PIP2. Further studies of the PM showed, for the first time, a distinguished alteration in the PM proteome as a result of RabA2b overexpression. Proteomic analysis of isolated PM fractions showed enrichment of stress-coping proteins as well as cell wall/cuticle modifiers in the transgenic lines. Finally, the cuticle permeability of transgenic leaves was significantly reduced compared to the wild type, suggesting that it plays a role in its drought resistant properties. Overall, these data provide new insights into the roles and modes of action of RabA2b during water stresses, and indicate that increased RabA2b mediated PM trafficking can affect the PM proteome and increase drought tolerance.
Collapse
Affiliation(s)
- Vivek Ambastha
- Department of Plant Sciences, MIGAL – Galilee Research Institute, Kiryat Shmona, Israel
| | - Ifat Matityahu
- Department of Plant Sciences, MIGAL – Galilee Research Institute, Kiryat Shmona, Israel
| | - Dafna Tidhar
- Department of Plant Sciences, MIGAL – Galilee Research Institute, Kiryat Shmona, Israel
- Faculty of Sciences and Technology, Tel-Hai College, Upper Galilee, Israel
| | - Yehoram Leshem
- Department of Plant Sciences, MIGAL – Galilee Research Institute, Kiryat Shmona, Israel
- Faculty of Sciences and Technology, Tel-Hai College, Upper Galilee, Israel
| |
Collapse
|
11
|
De Vos S, Rombauts S, Coussement L, Dermauw W, Vuylsteke M, Sorgeloos P, Clegg JS, Nambu Z, Van Nieuwerburgh F, Norouzitallab P, Van Leeuwen T, De Meyer T, Van Stappen G, Van de Peer Y, Bossier P. The genome of the extremophile Artemia provides insight into strategies to cope with extreme environments. BMC Genomics 2021; 22:635. [PMID: 34465293 PMCID: PMC8406910 DOI: 10.1186/s12864-021-07937-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 08/14/2021] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Brine shrimp Artemia have an unequalled ability to endure extreme salinity and complete anoxia. This study aims to elucidate its strategies to cope with these stressors. RESULTS AND DISCUSSION Here, we present the genome of an inbred A. franciscana Kellogg, 1906. We identified 21,828 genes of which, under high salinity, 674 genes and under anoxia, 900 genes were differentially expressed (42%, respectively 30% were annotated). Under high salinity, relevant stress genes and pathways included several Heat Shock Protein and Leaf Embryogenesis Abundant genes, as well as the trehalose metabolism. In addition, based on differential gene expression analysis, it can be hypothesized that a high oxidative stress response and endocytosis/exocytosis are potential salt management strategies, in addition to the expression of major facilitator superfamily genes responsible for transmembrane ion transport. Under anoxia, genes involved in mitochondrial function, mTOR signalling and autophagy were differentially expressed. Both high salt and anoxia enhanced degradation of erroneous proteins and protein chaperoning. Compared with other branchiopod genomes, Artemia had 0.03% contracted and 6% expanded orthogroups, in which 14% of the genes were differentially expressed under high salinity or anoxia. One phospholipase D gene family, shown to be important in plant stress response, was uniquely present in both extremophiles Artemia and the tardigrade Hypsibius dujardini, yet not differentially expressed under the described experimental conditions. CONCLUSIONS A relatively complete genome of Artemia was assembled, annotated and analysed, facilitating research on its extremophile features, and providing a reference sequence for crustacean research.
Collapse
Affiliation(s)
- Stephanie De Vos
- Laboratory of Aquaculture & Artemia Reference Center, Department of Animal Sciences and Aquatic Ecology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
- Department of Plant Systems Biology, VIB, Department of Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium
| | - Stephane Rombauts
- Department of Plant Systems Biology, VIB, Department of Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium
| | - Louis Coussement
- Department of Data Analysis and Mathematical Modelling, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Wannes Dermauw
- Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | | | - Patrick Sorgeloos
- Laboratory of Aquaculture & Artemia Reference Center, Department of Animal Sciences and Aquatic Ecology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - James S Clegg
- Coastal and Marine Sciences Institute, University of California, Bodega Bay, Davis, CA, USA
| | - Ziro Nambu
- Department of Medical Technology, School of Health Sciences, University of Occupational and Environmental Health, Japan, Kitakyushu, Fukuoka, Japan
| | - Filip Van Nieuwerburgh
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Ghent University, Ghent, Belgium
| | - Parisa Norouzitallab
- Laboratory of Aquaculture & Artemia Reference Center, Department of Animal Sciences and Aquatic Ecology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
- Laboratory for Immunology and Animal Biotechnology, Department of Animal Sciences and Aquatic Ecology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Thomas Van Leeuwen
- Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Tim De Meyer
- Department of Data Analysis and Mathematical Modelling, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Gilbert Van Stappen
- Laboratory of Aquaculture & Artemia Reference Center, Department of Animal Sciences and Aquatic Ecology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - Yves Van de Peer
- Department of Plant Systems Biology, VIB, Department of Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium
- Centre for Microbial Ecology and Genomics, Department of Biochemistry, Genetics and Microbiology, University of Pretoria, Pretoria, South Africa
| | - Peter Bossier
- Laboratory of Aquaculture & Artemia Reference Center, Department of Animal Sciences and Aquatic Ecology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium.
| |
Collapse
|
12
|
Salinas-Cornejo J, Madrid-Espinoza J, Verdugo I, Pérez-Díaz J, Martín-Davison AS, Norambuena L, Ruiz-Lara S. The Exocytosis Associated SNAP25-Type Protein, SlSNAP33, Increases Salt Stress Tolerance by Modulating Endocytosis in Tomato. PLANTS 2021; 10:plants10071322. [PMID: 34209492 PMCID: PMC8309203 DOI: 10.3390/plants10071322] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 06/22/2021] [Accepted: 06/26/2021] [Indexed: 11/29/2022]
Abstract
In plants, vesicular trafficking is crucial for the response and survival to environmental challenges. The active trafficking of vesicles is essential to maintain cell homeostasis during salt stress. Soluble N-ethylmaleimide-sensitive factor attachment protein receptors (SNAREs) are regulatory proteins of vesicular trafficking. They mediate membrane fusion and guarantee cargo delivery to the correct cellular compartments. SNAREs from the Qbc subfamily are the best-characterized plasma membrane SNAREs, where they control exocytosis during cell division and defense response. The Solanum lycopersicum gene SlSNAP33.2 encodes a Qbc-SNARE protein and is induced under salt stress conditions. SlSNAP33.2 localizes on the plasma membrane of root cells of Arabidopsis thaliana. In order to study its role in endocytosis and salt stress response, we overexpressed the SlSNAP33.2 cDNA in a tomato cultivar. Constitutive overexpression promoted endocytosis along with the accumulation of sodium (Na+) in the vacuoles. It also protected the plant from cell damage by decreasing the accumulation of hydrogen peroxide (H2O2) in the cytoplasm of stressed root cells. Subsequently, the higher level of SlSNAP33.2 conferred tolerance to salt stress in tomato plants. The analysis of physiological and biochemical parameters such as relative water content, the efficiency of the photosystem II, performance index, chlorophyll, and MDA contents showed that tomato plants overexpressing SlSNAP33.2 displayed a better performance under salt stress than wild type plants. These results reveal a role for SlSNAP33.2 in the endocytosis pathway involved in plant response to salt stress. This research shows that SlSNAP33.2 can be an effective tool for the genetic improvement of crop plants.
Collapse
Affiliation(s)
- Josselyn Salinas-Cornejo
- Laboratorio de Genómica Funcional, Instituto de Ciencias Biológicas, Universidad de Talca, Talca 3460000, Chile; (J.S.-C.); (J.M.-E.); (I.V.); (J.P.-D.); (A.S.M.-D.)
| | - José Madrid-Espinoza
- Laboratorio de Genómica Funcional, Instituto de Ciencias Biológicas, Universidad de Talca, Talca 3460000, Chile; (J.S.-C.); (J.M.-E.); (I.V.); (J.P.-D.); (A.S.M.-D.)
| | - Isabel Verdugo
- Laboratorio de Genómica Funcional, Instituto de Ciencias Biológicas, Universidad de Talca, Talca 3460000, Chile; (J.S.-C.); (J.M.-E.); (I.V.); (J.P.-D.); (A.S.M.-D.)
| | - Jorge Pérez-Díaz
- Laboratorio de Genómica Funcional, Instituto de Ciencias Biológicas, Universidad de Talca, Talca 3460000, Chile; (J.S.-C.); (J.M.-E.); (I.V.); (J.P.-D.); (A.S.M.-D.)
| | - Alex San Martín-Davison
- Laboratorio de Genómica Funcional, Instituto de Ciencias Biológicas, Universidad de Talca, Talca 3460000, Chile; (J.S.-C.); (J.M.-E.); (I.V.); (J.P.-D.); (A.S.M.-D.)
| | - Lorena Norambuena
- Facultad de Ciencias, Universidad de Chile, Santiago, Ñuñoa 7750000, Chile;
| | - Simón Ruiz-Lara
- Laboratorio de Genómica Funcional, Instituto de Ciencias Biológicas, Universidad de Talca, Talca 3460000, Chile; (J.S.-C.); (J.M.-E.); (I.V.); (J.P.-D.); (A.S.M.-D.)
- Correspondence:
| |
Collapse
|
13
|
Kuroda R, Kato M, Tsuge T, Aoyama T. Arabidopsis phosphatidylinositol 4-phosphate 5-kinase genes PIP5K7, PIP5K8, and PIP5K9 are redundantly involved in root growth adaptation to osmotic stress. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2021; 106:913-927. [PMID: 33606325 DOI: 10.1111/tpj.15207] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 02/09/2021] [Indexed: 06/12/2023]
Abstract
Phosphatidylinositol 4-phosphate 5-kinase (PIP5K) produces phosphatidylinositol (4,5)-bisphosphate (PtdIns(4,5)P2 ), a signaling phospholipid critical for various cellular processes in eukaryotes. The Arabidopsis thaliana genome encodes 11 PIP5K genes. Of these, three type B PIP5K genes, PIP5K7, PIP5K8, and PIP5K9, constitute a subgroup highly conserved in land plants, suggesting that they retain a critical function shared by land plants. In this study, we comprehensively investigated the biological functions of the PIP5K7-9 subgroup genes. Reporter gene analyses revealed their preferential expression in meristematic and vascular tissues. Their YFP-fusion proteins localized primarily to the plasma membrane in root meristem epidermal cells. We selected a mutant line that was considered to be null for each gene. Under normal growth conditions, neither single mutants nor multiple mutants of any combination exhibited noticeable phenotypic changes. However, stress conditions with mannitol or NaCl suppressed main root growth and reduced proximal root meristem size to a greater extent in the pip5k7pip5k8pip5k9 triple mutant than in the wild type. In root meristem epidermal cells of the triple mutant, where plasma membrane localization of the PtdIns(4,5)P2 marker P24Y is impaired to a large extent, brefeldin A body formation is retarded compared with the wild type under hyperosmotic stress. These results indicate that PIP5K7, PIP5K8, and PIP5K9 are not required under normal growth conditions, but are redundantly involved in root growth adaptation to hyperosmotic conditions, possibly through the PtdIns(4,5)P2 function promoting plasma membrane recycling in root meristem cells.
Collapse
Affiliation(s)
- Ryo Kuroda
- Institute for Chemical Research, Kyoto University, Kyoto, 611-0011, Japan
| | - Mariko Kato
- Institute for Chemical Research, Kyoto University, Kyoto, 611-0011, Japan
| | - Tomohiko Tsuge
- Institute for Chemical Research, Kyoto University, Kyoto, 611-0011, Japan
| | - Takashi Aoyama
- Institute for Chemical Research, Kyoto University, Kyoto, 611-0011, Japan
| |
Collapse
|
14
|
Lu C, Yuan F, Guo J, Han G, Wang C, Chen M, Wang B. Current Understanding of Role of Vesicular Transport in Salt Secretion by Salt Glands in Recretohalophytes. Int J Mol Sci 2021; 22:2203. [PMID: 33672188 PMCID: PMC7926375 DOI: 10.3390/ijms22042203] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 02/17/2021] [Accepted: 02/19/2021] [Indexed: 12/18/2022] Open
Abstract
Soil salinization is a serious and growing problem around the world. Some plants, recognized as the recretohalophytes, can normally grow on saline-alkali soil without adverse effects by secreting excessive salt out of the body. The elucidation of the salt secretion process is of great significance for understanding the salt tolerance mechanism adopted by the recretohalophytes. Between the 1950s and the 1970s, three hypotheses, including the osmotic potential hypothesis, the transfer system similar to liquid flow in animals, and vesicle-mediated exocytosis, were proposed to explain the salt secretion process of plant salt glands. More recently, increasing evidence has indicated that vesicular transport plays vital roles in salt secretion of recretohalophytes. Here, we summarize recent findings, especially regarding the molecular evidence on the functional roles of vesicular trafficking in the salt secretion process of plant salt glands. A model of salt secretion in salt gland is also proposed.
Collapse
Affiliation(s)
| | | | | | | | | | | | - Baoshan Wang
- Shandong Provincial Key Laboratory of Plant Stress Research, College of Life Sciences, Shandong Normal University, Jinan 250014, China; (C.L.); (F.Y.); (J.G.); (G.H.); (C.W.); (M.C.)
| |
Collapse
|
15
|
Pan J, Li Z, Wang Q, Guan Y, Li X, Huangfu Y, Meng F, Li J, Dai S, Liu W. Phosphoproteomic Profiling Reveals Early Salt-Responsive Mechanisms in Two Foxtail Millet Cultivars. FRONTIERS IN PLANT SCIENCE 2021; 12:712257. [PMID: 34616412 PMCID: PMC8488109 DOI: 10.3389/fpls.2021.712257] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 08/16/2021] [Indexed: 05/03/2023]
Abstract
Excess soluble salts in saline soils are harmful to most plants. Understanding the biochemical responses to salts in plants and studying the salt tolerance-associated genetic resources in nature will contribute to the improvement of salt tolerance in crops. As an emerging model crop, foxtail millet (Setaria italica L.) has been regarded as a novel species for stress resistance investigation. Here, the dynamic proteomic and phosphoproteomic profiling of two foxtail millet varieties of An04 and Yugu2 with contrasting salt tolerance characteristics were investigated under salt stress. In total, 10,366 sites representing to 2,862 proteins were detected and quantified. There were 759 and 990 sites corresponding to 484 and 633 proteins identified under salinity in An04 and Yugu2, respectively, and 1,264 and 1,131 phosphorylation sites corresponding to 789 and 731 proteins were identified between these two varieties before and after salt stress, respectively. The differentially-regulated phosphoproteins (DRPPs) were mainly involved in signal transduction, regulation of gene expression, translation, ion transport, and metabolism processes. Yugu2 possessed signal perception and transduction capabilities more rapidly and had a more intense response compared with An04 upon salinity. The sucrose metabolism pathway, in particularly, might play a vital role in salt response in foxtail millet, which not only provides UDP-glucose for the cellulose synthesis and energy production, but also promotes flavonoid related synthesis to enhance the salt tolerance ability. Over-expressing the phospho-mimic sucrose synthase (SuS) (SuS S10D ) in soybean roots enhanced salt tolerance compared with over-expressing SuS lines. The knowledge of this research will shed light on elucidating the mechanisms of salt response, and pave the way for crop varieties innovation and cultivation under salinity and stresses.
Collapse
Affiliation(s)
- Jiaowen Pan
- Shandong Academy of Agricultural Sciences, Jinan, China
- College of Life Sciences, Shandong Normal University, Jinan, China
| | - Zhen Li
- Shandong Academy of Agricultural Sciences, Jinan, China
| | - Qingguo Wang
- Shandong Academy of Agricultural Sciences, Jinan, China
| | - Yanan Guan
- Shandong Academy of Agricultural Sciences, Jinan, China
- College of Life Sciences, Shandong Normal University, Jinan, China
| | - Xiaobo Li
- Shandong Academy of Agricultural Sciences, Jinan, China
| | - Yongguan Huangfu
- Shandong Academy of Agricultural Sciences, Jinan, China
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration (Northeast Forestry University), Ministry of Education, College of Life Sciences, Northeast Forestry University, Harbin, China
| | - Fanhua Meng
- Shandong Academy of Agricultural Sciences, Jinan, China
- College of Life Sciences, Shandong Normal University, Jinan, China
| | - Jinling Li
- Shandong Academy of Agricultural Sciences, Jinan, China
- Development Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai, China
| | - Shaojun Dai
- Development Center of Plant Germplasm Resources, College of Life Sciences, Shanghai Normal University, Shanghai, China
- *Correspondence: Shaojun Dai,
| | - Wei Liu
- Shandong Academy of Agricultural Sciences, Jinan, China
- College of Life Sciences, Shandong Normal University, Jinan, China
- Wei Liu,
| |
Collapse
|
16
|
Yepes-Molina L, Bárzana G, Carvajal M. Controversial Regulation of Gene Expression and Protein Transduction of Aquaporins under Drought and Salinity Stress. PLANTS 2020; 9:plants9121662. [PMID: 33261103 PMCID: PMC7761296 DOI: 10.3390/plants9121662] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 11/25/2020] [Accepted: 11/26/2020] [Indexed: 12/31/2022]
Abstract
Enhancement of the passage of water through membranes is one of the main mechanisms via which cells can maintain their homeostasis under stress conditions, and aquaporins are the main participants in this process. However, in the last few years, a number of studies have reported discrepancies between aquaporin messenger RNA (mRNA) expression and the number of aquaporin proteins synthesised in response to abiotic stress. These observations suggest the existence of post-transcriptional mechanisms which regulate plasma membrane intrinsic protein (PIP) trafficking to the plasma membrane. This indicates that the mRNA synthesis of some aquaporins could be modulated by the accumulation of the corresponding encoded protein, in relation to the turnover of the membranes. This aspect is discussed in terms of the results obtained: on the one hand, with isolated vesicles, in which the level of proteins present provides the membranes with important characteristics such as resistance and stability and, on the other, with isolated proteins reconstituted in artificial liposomes as an in vitro method to address the in vivo physiology of the entire plant.
Collapse
|
17
|
Sweetman C, Khassanova G, Miller TK, Booth NJ, Kurishbayev A, Jatayev S, Gupta NK, Langridge P, Jenkins CLD, Soole KL, Day DA, Shavrukov Y. Salt-induced expression of intracellular vesicle trafficking genes, CaRab-GTP, and their association with Na + accumulation in leaves of chickpea (Cicer arietinum L.). BMC PLANT BIOLOGY 2020; 20:183. [PMID: 33050887 PMCID: PMC7557026 DOI: 10.1186/s12870-020-02331-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2019] [Accepted: 03/06/2020] [Indexed: 05/12/2023]
Abstract
BACKGROUND Chickpea is an important legume and is moderately tolerant to salinity stress during the growing season. However, the level and mechanisms for salinity tolerance can vary among accessions and cultivars. A large family of CaRab-GTP genes, previously identified in chickpea, is homologous to intracellular vesicle trafficking superfamily genes that play essential roles in response to salinity stress in plants. RESULTS To determine which of the gene family members are involved in the chickpea salt response, plants from six selected chickpea accessions (Genesis 836, Hattrick, ICC12726, Rupali, Slasher and Yubileiny) were exposed to salinity stress and expression profiles resolved for the major CaRab-GTP gene clades after 5, 9 and 15 days of salt exposure. Gene clade expression profiles (using degenerate primers targeting all members of each clade) were tested for their relationship to salinity tolerance measures, namely plant biomass and Na+ accumulation. Transcripts representing 11 out of the 13 CaRab clades could be detected by RT-PCR, but only six (CaRabA2, -B, -C, -D, -E and -H) could be quantified using qRT-PCR due to low expression levels or poor amplification efficiency of the degenerate primers for clades containing several gene members. Expression profiles of three gene clades, CaRabB, -D and -E, were very similar across all six chickpea accessions, showing a strongly coordinated network. Salt-induced enhancement of CaRabA2 expression at 15 days showed a very strong positive correlation (R2 = 0.905) with Na+ accumulation in leaves. However, salinity tolerance estimated as relative plant biomass production compared to controls, did not correlate with Na+ accumulation in leaves, nor with expression profiles of any of the investigated CaRab-GTP genes. CONCLUSION A coordinated network of CaRab-GTP genes, which are likely involved in intracellular trafficking, are important for the salinity stress response of chickpea plants.
Collapse
Affiliation(s)
- Crystal Sweetman
- College of Science and Engineering, Biological Sciences, Flinders University, Adelaide, Australia
| | - Gulmira Khassanova
- Faculty of Agronomy, S. Seifullin Kazakh AgroTechnical University, Nur-Sultan, Kazakhstan
| | - Troy K Miller
- College of Science and Engineering, Biological Sciences, Flinders University, Adelaide, Australia
| | - Nicholas J Booth
- College of Science and Engineering, Biological Sciences, Flinders University, Adelaide, Australia
| | - Akhylbek Kurishbayev
- Faculty of Agronomy, S. Seifullin Kazakh AgroTechnical University, Nur-Sultan, Kazakhstan
| | - Satyvaldy Jatayev
- Faculty of Agronomy, S. Seifullin Kazakh AgroTechnical University, Nur-Sultan, Kazakhstan.
| | - Narendra K Gupta
- College of Agriculture, SKN Agriculture University, Jobner, Rajasthan, India
| | | | - Colin L D Jenkins
- College of Science and Engineering, Biological Sciences, Flinders University, Adelaide, Australia
| | - Kathleen L Soole
- College of Science and Engineering, Biological Sciences, Flinders University, Adelaide, Australia
| | - David A Day
- College of Science and Engineering, Biological Sciences, Flinders University, Adelaide, Australia
- School of Life Science, AgriBio, LaTrobe University, Melbourne, Australia
| | - Yuri Shavrukov
- College of Science and Engineering, Biological Sciences, Flinders University, Adelaide, Australia.
| |
Collapse
|
18
|
Putta P, Creque E, Piontkivska H, Kooijman EE. Lipid-protein interactions for ECA1 an N-ANTH domain protein involved in stress signaling in plants. Chem Phys Lipids 2020; 231:104919. [PMID: 32416105 DOI: 10.1016/j.chemphyslip.2020.104919] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 04/23/2020] [Accepted: 04/30/2020] [Indexed: 01/27/2023]
Abstract
Epsin-like Clathrin Adaptor 1 (ECA1/ PICALM1A) is an A/ENTH domain protein that acts as an adaptor protein in clathrin-mediated endocytosis. ECA1 is recruited to the membrane during salt stress signaling in plants in a phosphatidic acid (PA)-dependent manner. PA is a lipid second messenger that rapidly and transiently increases in concentration under stress stimuli. Upon an increase in PA concentration another lipid, diacylglycerol pyrophosphate (DGPP), starts to accumulate. The accumulation of DGPP is suggested to be a cue for attenuating PA signaling during stress in plants. We showed in vitro that ECA1-PA binding is modulated as a function of membrane curvature stress and charge. In this work, we investigate ECA1 binding to DGPP in comparison with PA. We show that ECA1 has more affinity for the less charged PA, and this binding is pH dependent. Additionally, plant PA binding proteins SnRK2.10, TGD2C, and PDK1-PH2 were investigated for their interaction with DGPP, since no known DGPP binding proteins are available in the literature to date. Our results shed further light on DGPP and its interactions with membrane proteins which brings us closer toward understanding the complexity of protein interactions with anionic lipids, especially the enigmatic anionic lipid DGPP.
Collapse
Affiliation(s)
- Priya Putta
- Biological Sciences, Kent State University, PO Box 5109, 44242 Kent, OH, USA.
| | - Emily Creque
- Biological Sciences, Kent State University, PO Box 5109, 44242 Kent, OH, USA.
| | - Helen Piontkivska
- Biological Sciences, Kent State University, PO Box 5109, 44242 Kent, OH, USA.
| | - Edgar E Kooijman
- Biological Sciences, Kent State University, PO Box 5109, 44242 Kent, OH, USA.
| |
Collapse
|
19
|
Chen Y, Dangol S, Wang J, Jwa NS. Focal Accumulation of ROS Can Block Pyricularia oryzae Effector BAS4-Expression and Prevent Infection in Rice. Int J Mol Sci 2020; 21:ijms21176196. [PMID: 32867341 PMCID: PMC7503722 DOI: 10.3390/ijms21176196] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 08/18/2020] [Accepted: 08/25/2020] [Indexed: 01/03/2023] Open
Abstract
The reactive oxygen species (ROS) burst is the most common plant immunity mechanism to prevent pathogen infection, although the exact role of ROS in plant immunity has not been fully elucidated. We investigated the expression and translocation of Oryza sativa respiratory burst oxidase homologue B (OsRBOHB) during compatible and incompatible interactions between rice epidermal cells and the pathogenic fungus Pyricularia oryzae (syn. Magnaporthe oryzae). We characterized the functional role of ROS focal accumulation around invading hyphae during P. oryzae infection process using the OsRBOHB inhibitor diphenyleneiodonium (DPI) and the actin filament polymerization inhibitor cytochalasin (Cyt) A. OsRBOHB was strongly induced during incompatible rice–P. oryzae interactions, and newly synthesized OsRBOHB was focally distributed at infection sites. High concentrations of ROS focally accumulated at the infection sites and suppressed effector biotrophy-associated secreted (BAS) proteins BAS4 expression and invasive hyphal growth. DPI and Cyt A abolished ROS focal accumulation and restored P. oryzae effector BAS4 expression. These results suggest that ROS focal accumulation is able to function as an effective immune mechanism that blocks some effectors including BAS4-expression during P. oryzae infection. Disruption of ROS focal accumulation around invading hyphae enables successful P. oryzae colonization of rice cells and disease development.
Collapse
Affiliation(s)
- Yafei Chen
- Division of Integrative Bioscience and Biotechnology, College of Life Sciences, Sejong University, Seoul 05006, Korea; (Y.C.); (S.D.); (J.W.)
| | - Sarmina Dangol
- Division of Integrative Bioscience and Biotechnology, College of Life Sciences, Sejong University, Seoul 05006, Korea; (Y.C.); (S.D.); (J.W.)
- Department of Plant Physiology, Swammerdam Institute for Life Sciences, University of Amsterdam, 1090 GE Amsterdam, The Netherlands
| | - Juan Wang
- Division of Integrative Bioscience and Biotechnology, College of Life Sciences, Sejong University, Seoul 05006, Korea; (Y.C.); (S.D.); (J.W.)
| | - Nam-Soo Jwa
- Division of Integrative Bioscience and Biotechnology, College of Life Sciences, Sejong University, Seoul 05006, Korea; (Y.C.); (S.D.); (J.W.)
- Correspondence: ; Tel.: +82-010-6477-1100
| |
Collapse
|
20
|
Bhat MA, Kumar V, Bhat MA, Wani IA, Dar FL, Farooq I, Bhatti F, Koser R, Rahman S, Jan AT. Mechanistic Insights of the Interaction of Plant Growth-Promoting Rhizobacteria (PGPR) With Plant Roots Toward Enhancing Plant Productivity by Alleviating Salinity Stress. Front Microbiol 2020; 11:1952. [PMID: 32973708 PMCID: PMC7468593 DOI: 10.3389/fmicb.2020.01952] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Accepted: 07/24/2020] [Indexed: 11/20/2022] Open
Abstract
Agriculture plays an important role in a country's economy. The sector is challenged by many stresses, which led to huge loss in plant productivity worldwide. The ever-increasing population, rapid urbanization with shrinking agricultural lands, dramatic change in climatic conditions, and extensive use of agrochemicals in agricultural practices that caused environmental disturbances confront mankind of escalating problems of food security and sustainability in agriculture. Escalating environmental problems and global hunger have led to the development and adoption of genetic engineering and other conventional plant breeding approaches in developing stress-tolerant varieties of crops. However, these approaches have drawn flaws in their adoption as the process of generating tolerant varieties takes months to years in bringing the technology from the lab to the field. Under such scenario, sustainable and climate-smart agricultural practices that avail bacterial usage open the avenues in fulfilling the incessant demand for food for the global population. Ensuring stability on economic fronts, bacteria minimizes plant salt uptake by trapping ions in their exopolysaccharide matrix besides checking the expression of Na+/H+ and high-affinity potassium transporters. Herein we describe information on salinity stress and its effect on plant health as well as strategies adopted by plant growth-promoting rhizobacteria (PGPR) in helping plants to overcome salinity stress and in mitigating loss in overall plant productivity. It is believed that acquisition of advanced knowledge of plant-beneficial PGPR will help in devising strategies for sustainable, environment-friendly, and climate-smart agricultural technologies for adoption in agriculture to overcome the constrained environmental conditions.
Collapse
Affiliation(s)
- Mujtaba Aamir Bhat
- Department of Botany, School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri, India
| | - Vijay Kumar
- Department of Biotechnology, Yeungnam University, Gyeongsan, South Korea
| | - Mudasir Ahmad Bhat
- Department of Biotechnology, School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri, India
| | - Ishfaq Ahmad Wani
- Department of Botany, School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri, India
| | - Farhana Latief Dar
- Department of Botany, School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri, India
| | - Iqra Farooq
- Department of Botany, School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri, India
| | - Farha Bhatti
- Department of Botany, School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri, India
| | - Rubina Koser
- Department of Microbiology, School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri, India
| | - Safikur Rahman
- Department of Botany, Munshi Singh College, Babasaheb Bhimrao Ambedkar Bihar University, Muzaffarpur, India
| | - Arif Tasleem Jan
- Department of Botany, School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri, India
| |
Collapse
|
21
|
Zhao C, Zhang H, Song C, Zhu JK, Shabala S. Mechanisms of Plant Responses and Adaptation to Soil Salinity. Innovation (N Y) 2020; 1:100017. [PMID: 34557705 PMCID: PMC8454569 DOI: 10.1016/j.xinn.2020.100017] [Citation(s) in RCA: 268] [Impact Index Per Article: 67.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Soil salinity is a major environmental stress that restricts the growth and yield of crops. Understanding the physiological, metabolic, and biochemical responses of plants to salt stress and mining the salt tolerance-associated genetic resource in nature will be extremely important for us to cultivate salt-tolerant crops. In this review, we provide a comprehensive summary of the mechanisms of salt stress responses in plants, including salt stress-triggered physiological responses, oxidative stress, salt stress sensing and signaling pathways, organellar stress, ion homeostasis, hormonal and gene expression regulation, metabolic changes, as well as salt tolerance mechanisms in halophytes. Important questions regarding salt tolerance that need to be addressed in the future are discussed.
Collapse
Affiliation(s)
- Chunzhao Zhao
- Shanghai Center for Plant Stress Biology and CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai 200032, China
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng 475004, China
| | - Heng Zhang
- State Key Laboratory of Plant Molecular Genetics, Shanghai Center for Plant Stress Biology, Center of Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai 200032, China
| | - Chunpeng Song
- State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng 475004, China
| | - Jian-Kang Zhu
- Shanghai Center for Plant Stress Biology and CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai 200032, China
- Department of Horticulture and Landscape Architecture, Purdue University, West Lafayette, IN 47907, USA
| | - Sergey Shabala
- International Research Centre for Environmental Membrane Biology, Foshan University, Foshan 528000, China
- Tasmanian Institute of Agriculture, University of Tasmania, Hobart, TAS 7001, Australia
| |
Collapse
|
22
|
Dubois M, Inzé D. Plant growth under suboptimal water conditions: early responses and methods to study them. JOURNAL OF EXPERIMENTAL BOTANY 2020; 71:1706-1722. [PMID: 31967643 DOI: 10.1093/jxb/eraa037] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 01/20/2020] [Indexed: 05/03/2023]
Abstract
Drought stress forms a major environmental constraint during the life cycle of plants, often decreasing plant yield and in extreme cases threatening survival. The molecular and physiological responses induced by drought have been the topic of extensive research during the past decades. Because soil-based approaches to studying drought responses are often challenging due to low throughput and insufficient control of the conditions, osmotic stress assays in plates were developed to mimic drought. Addition of compounds such as polyethylene glycol, mannitol, sorbitol, or NaCl to controlled growth media has become increasingly popular since it offers the advantage of accurate control of stress level and onset. These osmotic stress assays enabled the discovery of very early stress responses, occurring within seconds or minutes following osmotic stress exposure. In this review, we construct a detailed timeline of early responses to osmotic stress, with a focus on how they initiate plant growth arrest. We further discuss the specific responses triggered by different types and severities of osmotic stress. Finally, we compare short-term plant responses under osmotic stress versus in-soil drought and discuss the advantages, disadvantages, and future of these plate-based proxies for drought.
Collapse
Affiliation(s)
- Marieke Dubois
- Ghent University, Department of Plant Biotechnology and Bioinformatics, Ghent, Belgium
- VIB Center for Plant Systems Biology, Ghent, Belgium
| | - Dirk Inzé
- Ghent University, Department of Plant Biotechnology and Bioinformatics, Ghent, Belgium
- VIB Center for Plant Systems Biology, Ghent, Belgium
| |
Collapse
|
23
|
Renna L, Brandizzi F. The mysterious life of the plant trans-Golgi network: advances and tools to understand it better. J Microsc 2020; 278:154-163. [PMID: 32115699 DOI: 10.1111/jmi.12881] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 02/04/2020] [Accepted: 02/27/2020] [Indexed: 12/29/2022]
Abstract
By being at the interface of the exocytic and endocytic pathways, the plant trans-Golgi network (TGN) is a multitasking and highly diversified organelle. Despite governing vital cellular processes, the TGN remains one of the most uncharacterized organelle of plant cells. In this review, we highlight recent studies that have contributed new insights and to the generation of markers needed to answer several important questions on the plant TGN. Several drugs specifically affecting proteins critical for the TGN functions have been extremely useful for the identification of mutants of the TGN in the pursuit to understand how the morphology and the function of this organelle are controlled. In addition to these chemical tools, we review emerging microscopy techniques that help visualize the TGN at an unpreceded resolution and appreciate the heterogeneity and dynamics of this organelle in plant cells.
Collapse
Affiliation(s)
- L Renna
- MSU-DOE Plant Research Lab, Michigan State University, East Lansing, Michigan, U.S.A
| | - F Brandizzi
- Department of Plant Biology, Michigan State University, East Lansing, Michigan, U.S.A
| |
Collapse
|
24
|
Salinas-Cornejo J, Madrid-Espinoza J, Ruiz-Lara S. Identification and transcriptional analysis of SNARE vesicle fusion regulators in tomato (Solanum lycopersicum) during plant development and a comparative analysis of the response to salt stress with wild relatives. JOURNAL OF PLANT PHYSIOLOGY 2019; 242:153018. [PMID: 31472447 DOI: 10.1016/j.jplph.2019.153018] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Revised: 07/25/2019] [Accepted: 07/31/2019] [Indexed: 06/10/2023]
Abstract
Intracellular vesicular trafficking ensures the exchange of lipids and proteins between the membranous compartments. Soluble N-ethylmaleimide-sensitive factor attachment protein receptors (SNARE) play a central role in membrane fusion and they are key factors for vesicular trafficking in plants, including crops economically important such as tomato (Solanum lycopersicum). Taking advantage of the complete genome sequence available of S. lycopersicum, we identified 63 genes that encode putative SNARE proteins. Then, phylogenetic analysis allowed the classification of SNAREs in five main groups and recognizing their possible functions. A structure analysis of the genes, their syntenic relationships and their location in the chromosomes were also carried out for their characterization. In addition, the expression profiles of SNARE genes in different tissues were investigated using microarray-based analysis. The results indicated that specific SNAREs had a higher induction in leaf, root, flower and mature green fruit. S. lycopersicum is characterized for being a crop sensitive to saline stress unlike its wild relatives, such as Solanum pennellii, Solanum pimpinellifolium, Solanum habrochaites or Solanum chilense, which are tolerant. In this context, we analyzed different microarrays and evaluated and validated the transcript levels through qRT-PCR experiments. The results showed that SlGOS12.2, SlVAMP727 and SlSYP51.2 could have a positive relationship with salt stress and probably an important role in their tolerance. All these data increase our knowledge and can also be utilized to identify potential molecular targets for conferring tolerance to various stresses in tomato.
Collapse
Affiliation(s)
- Josselyn Salinas-Cornejo
- Laboratorio de Genómica Funcional, Instituto de Ciencias Biológicas, Universidad de Talca, Talca 3460000, Chile.
| | - José Madrid-Espinoza
- Laboratorio de Genómica Funcional, Instituto de Ciencias Biológicas, Universidad de Talca, Talca 3460000, Chile.
| | - Simón Ruiz-Lara
- Laboratorio de Genómica Funcional, Instituto de Ciencias Biológicas, Universidad de Talca, Talca 3460000, Chile.
| |
Collapse
|
25
|
Yang X, Liao CY, Tang J, Bassham DC. Overexpression of trans-Golgi network t-SNAREs rescues vacuolar trafficking and TGN morphology defects in a putative tethering factor mutant. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2019; 99:703-716. [PMID: 31009161 DOI: 10.1111/tpj.14353] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2017] [Revised: 03/25/2019] [Accepted: 04/17/2019] [Indexed: 06/09/2023]
Abstract
The trans-Golgi network (TGN) is a major site for sorting of cargo to either the vacuole or apoplast. The TGN-localized coiled-coil protein TNO1 is a putative tethering factor that interacts with the TGN t-SNARE SYP41 and is required for correct localization of the SYP61 t-SNARE. An Arabidopsis thaliana tno1 mutant is hypersensitive to salt stress and partially mislocalizes vacuolar proteins to the apoplast, indicating a role in vacuolar trafficking. Here, we show that overexpression of SYP41 or SYP61 significantly increases SYP41-SYP61 complex formation in a tno1 mutant, and rescues the salt sensitivity and defective vacuolar trafficking of the tno1 mutant. The TGN is disrupted and vesicle budding from Golgi cisternae is reduced in the tno1 mutant, and these defects are also rescued by overexpression of SYP41 or SYP61. Our results suggest that the trafficking and Golgi morphology defects caused by loss of TNO1 can be rescued by increasing SYP41-SYP61 t-SNARE complex formation, implicating TNO1 as a tethering factor mediating efficient vesicle fusion at the TGN.
Collapse
Affiliation(s)
- Xiaochen Yang
- Department of Genetics, Development and Cell Biology, Iowa State University, Ames, IA, 50011, USA
| | - Ching-Yi Liao
- Department of Genetics, Development and Cell Biology, Iowa State University, Ames, IA, 50011, USA
| | - Jie Tang
- Department of Genetics, Development and Cell Biology, Iowa State University, Ames, IA, 50011, USA
| | - Diane C Bassham
- Department of Genetics, Development and Cell Biology, Iowa State University, Ames, IA, 50011, USA
| |
Collapse
|
26
|
Couchoud M, Der C, Girodet S, Vernoud V, Prudent M, Leborgne-Castel N. Drought stress stimulates endocytosis and modifies membrane lipid order of rhizodermal cells of Medicago truncatula in a genotype-dependent manner. BMC PLANT BIOLOGY 2019; 19:221. [PMID: 31138155 PMCID: PMC6537417 DOI: 10.1186/s12870-019-1814-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Accepted: 04/30/2019] [Indexed: 05/19/2023]
Abstract
BACKGROUND Drought stress negatively affects plant growth and productivity. Plants sense soil drought at the root level but the underlying mechanisms remain unclear. At the cell level, we aim to reveal the short-term root perception of drought stress through membrane dynamics. RESULTS In our study, 15 Medicago truncatula accessions were exposed to a polyethylene glycol (PEG)-induced drought stress, leading to contrasted ecophysiological responses, in particular related to root architecture plasticity. In the reference accession Jemalong A17, identified as drought susceptible, we analyzed lateral roots by imaging of membrane-localized fluorescent probes using confocal microscopy. We found that PEG stimulated endocytosis especially in cells belonging to the growth differentiation zone (GDZ). The mapping of membrane lipid order in cells along the root apex showed that membranes of root cap cells were more ordered than those of more differentiated cells. Moreover, PEG triggered a significant increase in membrane lipid order of rhizodermal cells from the GDZ. We initiated the membrane analysis in the drought resistant accession HM298, which did not reveal such membrane modifications in response to PEG. CONCLUSIONS Our data demonstrated that the plasma membranes of root cells from a susceptible genotype perceived drought stress by modulating their physical state both via a stimulation of endocytosis and a modification of the degree of lipid order, which could be proposed as mechanisms required for signal transduction.
Collapse
Affiliation(s)
- Mégane Couchoud
- Agroécologie, AgroSup Dijon, INRA, University of Bourgogne, University of Bourgogne Franche-Comté, F-21000 Dijon, France
| | - Christophe Der
- Agroécologie, AgroSup Dijon, CNRS, INRA, University of Bourgogne, University of Bourgogne Franche-Comté, F-21000 Dijon, France
| | - Sylvie Girodet
- Agroécologie, AgroSup Dijon, INRA, University of Bourgogne, University of Bourgogne Franche-Comté, F-21000 Dijon, France
| | - Vanessa Vernoud
- Agroécologie, AgroSup Dijon, INRA, University of Bourgogne, University of Bourgogne Franche-Comté, F-21000 Dijon, France
| | - Marion Prudent
- Agroécologie, AgroSup Dijon, INRA, University of Bourgogne, University of Bourgogne Franche-Comté, F-21000 Dijon, France
| | - Nathalie Leborgne-Castel
- Agroécologie, AgroSup Dijon, CNRS, INRA, University of Bourgogne, University of Bourgogne Franche-Comté, F-21000 Dijon, France
| |
Collapse
|
27
|
Khassanova G, Kurishbayev A, Jatayev S, Zhubatkanov A, Zhumalin A, Turbekova A, Amantaev B, Lopato S, Schramm C, Jenkins C, Soole K, Langridge P, Shavrukov Y. Intracellular Vesicle Trafficking Genes, RabC-GTP, Are Highly Expressed Under Salinity and Rapid Dehydration but Down-Regulated by Drought in Leaves of Chickpea ( Cicer arietinum L.). Front Genet 2019; 10:40. [PMID: 30792734 PMCID: PMC6374294 DOI: 10.3389/fgene.2019.00040] [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: 10/25/2018] [Accepted: 01/18/2019] [Indexed: 11/21/2022] Open
Abstract
Intracellular vesicle trafficking genes, Rab, encoding small GTP binding proteins, have been well studied in medical research, but there is little information concerning these proteins in plants. Some sub-families of the Rab genes have not yet been characterized in plants, such as RabC - otherwise known as Rab18 in yeast and animals. Our study aimed to identify all CaRab gene sequences in chickpea (Cicer arietinum L.) using bioinformatics approaches, with a particular focus on the CaRabC gene sub-family since it featured in an SNP database. Five isoforms of the CaRabC gene were identified and studied: CaRabC-1a, -1b, -1c, -2a and -2a∗ . Six accessions of both Desi and Kabuli ecotypes, selected from field trials, were tested for tolerance to abiotic stresses, including salinity, drought and rapid dehydration and compared to plant growth under control conditions. Expression analysis of total and individual CaRabC isoforms in leaves of control plants revealed a very high level of expression, with the greatest contribution made by CaRabC-1c. Salinity stress (150 mM NaCl, 12 days in soil) caused a 2-3-fold increased expression of total CaRabC compared to controls, with the highest expression in isoforms CaRabC-1c, -2a∗ and -1a. Significantly decreased expression of all five isoforms of CaRabC was observed under drought (12 days withheld water) compared to controls. In contrast, both total CaRabC and the CaRabC-1a isoform showed very high expression (up-to eight-fold) in detached leaves over 6 h of dehydration. The results suggest that the CaRabC gene is involved in plant growth and response to abiotic stresses. It was highly expressed in leaves of non-stressed plants and was down-regulated after drought, but salinity and rapid dehydration caused up-regulation to high and very high levels, respectively. The isoforms of CaRabC were differentially expressed, with the highest levels recorded for CaRabC-1c in controls and under salinity stress, and for CaRabC-1a - in rapidly dehydrated leaves. Genotypic variation in CaRabC-1a, comprising eleven SNPs, was found through sequencing of the local chickpea cultivar Yubileiny and germplasm ICC7255 in comparison to the two fully sequenced reference accessions, ICC4958 and Frontier. Amplifluor-like markers based on one of the identified SNPs in CaRabC-1a were designed and successfully used for genotyping chickpea germplasm.
Collapse
Affiliation(s)
- Gulmira Khassanova
- Faculty of Agronomy, S. Seifullin Kazakh AgroTechnical University, Astana, Kazakhstan
| | - Akhylbek Kurishbayev
- Faculty of Agronomy, S. Seifullin Kazakh AgroTechnical University, Astana, Kazakhstan
| | - Satyvaldy Jatayev
- Faculty of Agronomy, S. Seifullin Kazakh AgroTechnical University, Astana, Kazakhstan
| | - Askar Zhubatkanov
- Faculty of Agronomy, S. Seifullin Kazakh AgroTechnical University, Astana, Kazakhstan
| | - Aybek Zhumalin
- Faculty of Agronomy, S. Seifullin Kazakh AgroTechnical University, Astana, Kazakhstan
| | - Arysgul Turbekova
- Faculty of Agronomy, S. Seifullin Kazakh AgroTechnical University, Astana, Kazakhstan
| | - Bekzak Amantaev
- Faculty of Agronomy, S. Seifullin Kazakh AgroTechnical University, Astana, Kazakhstan
| | - Sergiy Lopato
- Biological Sciences, College of Science and Engineering, Flinders University, Bedford Park, SA, Australia
| | - Carly Schramm
- Biological Sciences, College of Science and Engineering, Flinders University, Bedford Park, SA, Australia
| | - Colin Jenkins
- Biological Sciences, College of Science and Engineering, Flinders University, Bedford Park, SA, Australia
| | - Kathleen Soole
- Biological Sciences, College of Science and Engineering, Flinders University, Bedford Park, SA, Australia
| | - Peter Langridge
- School of Agriculture, Food and Wine, University of Adelaide, Adelaide, SA, Australia
- Wheat Initiative, Julius-Kühn-Institute, Berlin, Germany
| | - Yuri Shavrukov
- Biological Sciences, College of Science and Engineering, Flinders University, Bedford Park, SA, Australia
| |
Collapse
|
28
|
Flowers TJ, Glenn EP, Volkov V. Could vesicular transport of Na+ and Cl- be a feature of salt tolerance in halophytes? ANNALS OF BOTANY 2019; 123:1-18. [PMID: 30247507 PMCID: PMC6344095 DOI: 10.1093/aob/mcy164] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Accepted: 08/10/2018] [Indexed: 05/18/2023]
Abstract
Background Halophytes tolerate external salt concentrations of 200 mm and more, accumulating salt concentrations of 500 mm and more in their shoots; some, recretohalophytes, excrete salt through glands on their leaves. Ions are accumulated in central vacuoles, but the pathway taken by these ions from the outside of the roots to the vacuoles inside the cells is poorly understood. Do the ions cross membranes through ion channels and transporters or move in vesicles, or both? Vesicular transport from the plasma membrane to the vacuole would explain how halophytes avoid the toxicity of high salt concentrations on metabolism. There is also a role for vesicles in the export of ions via salt glands. Scope and Methods We have collected data on the fluxes of sodium and chloride ions in halophytes, based on the weight of the transporting organs and on the membrane area across which the flux occurs; the latter range from 17 nmol m-2 s-1 to 4.2 μmol m-2 s-1 and values up to 1 μmol m-2 s-1 need to be consistent with whatever transport system is in operation. We have summarized the sizes and rates of turnover of vesicles in plants, where clathrin-independent vesicles are 100 nm or more in diameter and can merge with the plasma membrane at rates of 100 s-1. We gathered evidence for vesicular transport of ions in halophytes and evaluated whether vesicular transport could account for the observable fluxes. Conclusions There is strong evidence in favour of vesicular transport in plants and circumstantial evidence in favour of the movement of ions in vesicles. Estimated rates of vesicle turnover could account for ion transport at the lower reported fluxes (around 20 nmol m-2 s-1), but the higher fluxes may require vesicles of the order of 1 μm or more in diameter. The very high fluxes reported in some salt glands might be an artefact of the way they were measured.
Collapse
Affiliation(s)
- Timothy J Flowers
- School of Life Sciences, University of Sussex, Falmer, Brighton BN1 9QG, UK
- School of Plant Biology, The University of Western Australia, 35 Stirling Highway, Crawley, WA, Australia
| | - Edward P Glenn
- Environmental Research Laboratory of the University of Arizona, 1601 East, Airport Drive, Tucson, AZ, USA
| | - Vadim Volkov
- Faculty of Life Sciences and Computing, London Metropolitan University, London N7, UK
- Department of Plant Sciences, College of Agricultural and Environmental Sciences, University of California, Davis, CA, USA
| |
Collapse
|
29
|
Rosquete MR, Drakakaki G. Plant TGN in the stress response: a compartmentalized overview. CURRENT OPINION IN PLANT BIOLOGY 2018; 46:122-129. [PMID: 30316189 DOI: 10.1016/j.pbi.2018.09.003] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2018] [Revised: 08/31/2018] [Accepted: 09/04/2018] [Indexed: 05/10/2023]
Abstract
The cellular responses to abiotic and biotic stress rely on the regulation of vesicle trafficking to ensure the correct localization of proteins specialized in sensing stress stimuli and effecting the response. Several studies have implicated the plant trans-Golgi network (TGN)-mediated trafficking in different types of biotic and abiotic stress responses; however, the underlying molecular mechanisms are poorly understood. Further, the identity, specialization and stress-relevant cargo transported by the TGN subcompartments involved in stress responses await more in depth characterization. This review presents TGN trafficking players implicated in stress and discusses potential avenues to understand the role of this dynamic network under such extreme circumstances.
Collapse
Affiliation(s)
- Michel Ruiz Rosquete
- Department of Plant Sciences, University of California, Davis, CA 95616, United States.
| | - Georgia Drakakaki
- Department of Plant Sciences, University of California, Davis, CA 95616, United States.
| |
Collapse
|
30
|
Pocsfalvi G, Turiák L, Ambrosone A, Del Gaudio P, Puska G, Fiume I, Silvestre T, Vékey K. Protein biocargo of citrus fruit-derived vesicles reveals heterogeneous transport and extracellular vesicle populations. JOURNAL OF PLANT PHYSIOLOGY 2018; 229:111-121. [PMID: 30056374 DOI: 10.1016/j.jplph.2018.07.006] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 07/18/2018] [Accepted: 07/20/2018] [Indexed: 06/08/2023]
Abstract
Cell-derived vesicles are membrane-enclosed organelles that transport material inside and outside the cell. Plant-derived vesicles are receiving more and more attention due to their potential as nanovectors for the delivery of biologically active substances. Here, we studied the heterogeneity and protein biocargo in citrus fruit juice sac cell-derived vesicles populations. Micro- and nano-sized vesicle fractions were isolated from four citrus species, C. sinensis, C. limon, C. paradisi and C. aurantium, characterized using physicochemical methods and protein cargos were compared using label-free quantitative shotgun proteomics. In each sample approximately 600-800 proteins were identified. Orthologues of most of the top-ranking proteins have previously been reported in extracellular vesicles of mammalian origin. High expression levels of patellin-3-like, clathrin heavy chain, heat shock proteins, 14-3-3 protein, glyceraldehyde-3-phosphate dehydrogenase and fructose-bisphosphate aldolase 6 were measured in all samples while aquaporin was highly expressed only in the nanovesicle fractions. Bioinformatics revealed more than hundred protein orthologues potentially implicated in vesicular trafficking. In particular, the presence of CCV, COPI and COPII coat proteins indicates the presence of heterogeneous populations of intracellular transport vesicles. Moreover, a high number of different enzymes including hydrolases and oxidoreductases are ubiquities in citrus fruit sac cell-derived vesicles.
Collapse
Affiliation(s)
- Gabriella Pocsfalvi
- Institute of Biosciences and BioResources, National Research Council of Italy, Italy.
| | - Lilla Turiák
- MS Proteomics Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Hungary
| | | | | | - Gina Puska
- Department of Anatomy, Cell and Developmental Biology, Eötvös Loránd University, Budapest, Hungary
| | - Immacolata Fiume
- Institute of Biosciences and BioResources, National Research Council of Italy, Italy
| | - Teresa Silvestre
- Institute of Biosciences and BioResources, National Research Council of Italy, Italy
| | - Károly Vékey
- MS Proteomics Research Group, Institute of Organic Chemistry, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Hungary
| |
Collapse
|
31
|
Witzel K, Matros A, Møller ALB, Ramireddy E, Finnie C, Peukert M, Rutten T, Herzog A, Kunze G, Melzer M, Kaspar-Schoenefeld S, Schmülling T, Svensson B, Mock HP. Plasma membrane proteome analysis identifies a role of barley membrane steroid binding protein in root architecture response to salinity. PLANT, CELL & ENVIRONMENT 2018; 41:1311-1330. [PMID: 29385242 DOI: 10.1111/pce.13154] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 01/18/2018] [Accepted: 01/19/2018] [Indexed: 05/19/2023]
Abstract
Although the physiological consequences of plant growth under saline conditions have been well described, understanding the core mechanisms conferring plant salt adaptation has only started. We target the root plasma membrane proteomes of two barley varieties, cvs. Steptoe and Morex, with contrasting salinity tolerance. In total, 588 plasma membrane proteins were identified by mass spectrometry, of which 182 were either cultivar or salinity stress responsive. Three candidate proteins with increased abundance in the tolerant cv. Morex were involved either in sterol binding (a GTPase-activating protein for the adenosine diphosphate ribosylation factor [ZIGA2], and a membrane steroid binding protein [MSBP]) or in phospholipid synthesis (phosphoethanolamine methyltransferase [PEAMT]). Overexpression of barley MSBP conferred salinity tolerance to yeast cells, whereas the knock-out of the heterologous AtMSBP1 increased salt sensitivity in Arabidopsis. Atmsbp1 plants showed a reduced number of lateral roots under salinity, and root-tip-specific expression of barley MSBP in Atmsbp1 complemented this phenotype. In barley, an increased abundance of MSBP correlates with reduced root length and lateral root formation as well as increased levels of auxin under salinity being stronger in the tolerant cv. Morex. Hence, we concluded the involvement of MSBP in phytohormone-directed adaptation of root architecture in response to salinity.
Collapse
Affiliation(s)
- Katja Witzel
- Leibniz Institute of Plant Genetics and Crop Plant Research, Corrensstraße 3, 06466, Stadt Seeland, Gatersleben, Germany
- Leibniz Institute of Vegetable and Ornamental Crops, Theodor-Echtermeyer-Weg 1, 14979, Großbeeren, Germany
| | - Andrea Matros
- Leibniz Institute of Plant Genetics and Crop Plant Research, Corrensstraße 3, 06466, Stadt Seeland, Gatersleben, Germany
| | - Anders L B Møller
- Technical University of Denmark, Søltofts Plads, Building 224, 2800, Kongens Lyngby, Denmark
| | - Eswarayya Ramireddy
- Institute of Biology/Applied Genetics, Dahlem Centre of Plant Sciences, Free University of Berlin, Albrecht-Thaer-Weg 6, 14195, Berlin, Germany
| | - Christine Finnie
- Technical University of Denmark, Søltofts Plads, Building 224, 2800, Kongens Lyngby, Denmark
| | - Manuela Peukert
- Leibniz Institute of Plant Genetics and Crop Plant Research, Corrensstraße 3, 06466, Stadt Seeland, Gatersleben, Germany
| | - Twan Rutten
- Leibniz Institute of Plant Genetics and Crop Plant Research, Corrensstraße 3, 06466, Stadt Seeland, Gatersleben, Germany
| | - Andreas Herzog
- Biosystems Engineering, Fraunhofer Institute for Factory Operation and Automation, Joseph-von-Fraunhofer-Straße 1, 39106, Magdeburg, Germany
| | - Gotthard Kunze
- Leibniz Institute of Plant Genetics and Crop Plant Research, Corrensstraße 3, 06466, Stadt Seeland, Gatersleben, Germany
| | - Michael Melzer
- Leibniz Institute of Plant Genetics and Crop Plant Research, Corrensstraße 3, 06466, Stadt Seeland, Gatersleben, Germany
| | - Stephanie Kaspar-Schoenefeld
- Leibniz Institute of Plant Genetics and Crop Plant Research, Corrensstraße 3, 06466, Stadt Seeland, Gatersleben, Germany
| | - Thomas Schmülling
- Institute of Biology/Applied Genetics, Dahlem Centre of Plant Sciences, Free University of Berlin, Albrecht-Thaer-Weg 6, 14195, Berlin, Germany
| | - Birte Svensson
- Technical University of Denmark, Søltofts Plads, Building 224, 2800, Kongens Lyngby, Denmark
| | - Hans-Peter Mock
- Leibniz Institute of Plant Genetics and Crop Plant Research, Corrensstraße 3, 06466, Stadt Seeland, Gatersleben, Germany
| |
Collapse
|
32
|
Byrt CS, Munns R, Burton RA, Gilliham M, Wege S. Root cell wall solutions for crop plants in saline soils. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2018; 269:47-55. [PMID: 29606216 DOI: 10.1016/j.plantsci.2017.12.012] [Citation(s) in RCA: 90] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2017] [Revised: 11/28/2017] [Accepted: 12/27/2017] [Indexed: 05/05/2023]
Abstract
The root growth of most crop plants is inhibited by soil salinity. Roots respond by modulating metabolism, gene expression and protein activity, which results in changes in cell wall composition, transport processes, cell size and shape, and root architecture. Here, we focus on the effects of salt stress on cell wall modifying enzymes, cellulose microfibril orientation and non-cellulosic polysaccharide deposition in root elongation zones, as important determinants of inhibition of root elongation, and highlight cell wall changes linked to tolerance to salt stressed and water limited roots. Salt stress induces changes in the wall composition of specific root cell types, including the increased deposition of lignin and suberin in endodermal and exodermal cells. These changes can benefit the plant by preventing water loss and altering ion transport pathways. We suggest that binding of Na+ ions to cell wall components might influence the passage of Na+ and that Na+ can influence the binding of other ions and hinder the function of pectin during cell growth. Naturally occurring differences in cell wall structure may provide new resources for breeding crops that are more salt tolerant.
Collapse
Affiliation(s)
- Caitlin S Byrt
- Plant Transport and Signalling Group, Australian Research Council (ARC) Centre of Excellence in Plant Energy Biology, School of Agriculture, Food and Wine, Waite Research Institute, University of Adelaide, Glen Osmond, SA, 5064, Australia. http://twitter.com/BotanicGeek
| | - Rana Munns
- ARC Centre of Excellence in Plant Energy Biology, and School of Agriculture and Environment, The University of Western Australia, 35 Stirling Highway, Crawley, WA, 6009, Australia
| | - Rachel A Burton
- ARC Centre of Excellence in Plant Cell Walls, School of Agriculture, Food and Wine, The University of Adelaide, Glen Osmond, SA, 5064, Australia
| | - Matthew Gilliham
- Plant Transport and Signalling Group, Australian Research Council (ARC) Centre of Excellence in Plant Energy Biology, School of Agriculture, Food and Wine, Waite Research Institute, University of Adelaide, Glen Osmond, SA, 5064, Australia
| | - Stefanie Wege
- Plant Transport and Signalling Group, Australian Research Council (ARC) Centre of Excellence in Plant Energy Biology, School of Agriculture, Food and Wine, Waite Research Institute, University of Adelaide, Glen Osmond, SA, 5064, Australia
| |
Collapse
|
33
|
Zeng Y, Li Q, Wang H, Zhang J, Du J, Feng H, Blumwald E, Yu L, Xu G. Two NHX-type transporters from Helianthus tuberosus improve the tolerance of rice to salinity and nutrient deficiency stress. PLANT BIOTECHNOLOGY JOURNAL 2018; 16:310-321. [PMID: 28627026 PMCID: PMC5785360 DOI: 10.1111/pbi.12773] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2017] [Revised: 05/30/2017] [Accepted: 06/08/2017] [Indexed: 05/18/2023]
Abstract
The NHX-type cation/H+ transporters in plants have been shown to mediate Na+ (K+ )/H+ exchange for salinity tolerance and K+ homoeostasis. In this study, we identified and characterized two NHX homologues, HtNHX1 and HtNHX2 from an infertile and salinity tolerant species Helianthus tuberosus (cv. Nanyu No. 1). HtNHX1 and HtNHX2 share identical 5'- and 3'-UTR and coding regions, except for a 342-bp segment encoding 114 amino acids (L272 to Q385 ) which is absent in HtNHX2. Both hydroponics and soil culture experiments showed that the expression of HtNHX1 or HtNHX2 improved the rice tolerance to salinity. Expression of HtNHX2, but not HtNHX1, increased rice grain yield, harvest index, total nutrient uptake under K+ -limited salt-stress or general nutrient deficiency conditions. The results provide a novel insight into NHX function in plant mineral nutrition.
Collapse
Affiliation(s)
- Yang Zeng
- State Key Laboratory of Crop Genetics and Germplasm EnhancementNanjing Agricultural UniversityNanjingChina
- Key Laboratory of Plant Nutrition and Fertilization in Low‐Middle Reaches of the Yangtze RiverMinistry of AgricultureNanjing Agricultural UniversityNanjingChina
| | - Qing Li
- Key Laboratory of Plant Nutrition and Fertilization in Low‐Middle Reaches of the Yangtze RiverMinistry of AgricultureNanjing Agricultural UniversityNanjingChina
| | - Haiya Wang
- State Key Laboratory of Crop Genetics and Germplasm EnhancementNanjing Agricultural UniversityNanjingChina
- Key Laboratory of Plant Nutrition and Fertilization in Low‐Middle Reaches of the Yangtze RiverMinistry of AgricultureNanjing Agricultural UniversityNanjingChina
| | - Jianliang Zhang
- State Key Laboratory of Crop Genetics and Germplasm EnhancementNanjing Agricultural UniversityNanjingChina
- Key Laboratory of Plant Nutrition and Fertilization in Low‐Middle Reaches of the Yangtze RiverMinistry of AgricultureNanjing Agricultural UniversityNanjingChina
| | - Jia Du
- State Key Laboratory of Crop Genetics and Germplasm EnhancementNanjing Agricultural UniversityNanjingChina
- Key Laboratory of Plant Nutrition and Fertilization in Low‐Middle Reaches of the Yangtze RiverMinistry of AgricultureNanjing Agricultural UniversityNanjingChina
| | - Huimin Feng
- State Key Laboratory of Crop Genetics and Germplasm EnhancementNanjing Agricultural UniversityNanjingChina
- Key Laboratory of Plant Nutrition and Fertilization in Low‐Middle Reaches of the Yangtze RiverMinistry of AgricultureNanjing Agricultural UniversityNanjingChina
| | | | - Ling Yu
- State Key Laboratory of Crop Genetics and Germplasm EnhancementNanjing Agricultural UniversityNanjingChina
- Key Laboratory of Plant Nutrition and Fertilization in Low‐Middle Reaches of the Yangtze RiverMinistry of AgricultureNanjing Agricultural UniversityNanjingChina
| | - Guohua Xu
- State Key Laboratory of Crop Genetics and Germplasm EnhancementNanjing Agricultural UniversityNanjingChina
- Key Laboratory of Plant Nutrition and Fertilization in Low‐Middle Reaches of the Yangtze RiverMinistry of AgricultureNanjing Agricultural UniversityNanjingChina
| |
Collapse
|
34
|
Niu Y, Xiang Y. An Overview of Biomembrane Functions in Plant Responses to High-Temperature Stress. FRONTIERS IN PLANT SCIENCE 2018; 9:915. [PMID: 30018629 PMCID: PMC6037897 DOI: 10.3389/fpls.2018.00915] [Citation(s) in RCA: 109] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Accepted: 06/08/2018] [Indexed: 05/03/2023]
Abstract
Biological membranes are highly ordered structures consisting of mosaics of lipids and proteins. Elevated temperatures can directly and effectively change the properties of these membranes, including their fluidity and permeability, through a holistic effect that involves changes in the lipid composition and/or interactions between lipids and specific membrane proteins. Ultimately, high temperatures can alter microdomain remodeling and instantaneously relay ambient cues to downstream signaling pathways. Thus, dynamic membrane regulation not only helps cells perceive temperature changes but also participates in intracellular responses and determines a cell's fate. Moreover, due to the specific distribution of extra- and endomembrane elements, the plasma membrane (PM) and membranous organelles are individually responsible for distinct developmental events during plant adaptation to heat stress. This review describes recent studies that focused on the roles of various components that can alter the physical state of the plasma and thylakoid membranes as well as the crucial signaling pathways initiated through the membrane system, encompassing both endomembranes and membranous organelles in the context of heat stress responses.
Collapse
Affiliation(s)
- Yue Niu
- *Correspondence: Yue Niu, Yun Xiang,
| | - Yun Xiang
- *Correspondence: Yue Niu, Yun Xiang,
| |
Collapse
|
35
|
Ilangumaran G, Smith DL. Plant Growth Promoting Rhizobacteria in Amelioration of Salinity Stress: A Systems Biology Perspective. FRONTIERS IN PLANT SCIENCE 2017; 8:1768. [PMID: 29109733 PMCID: PMC5660262 DOI: 10.3389/fpls.2017.01768] [Citation(s) in RCA: 182] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Accepted: 09/27/2017] [Indexed: 05/18/2023]
Abstract
Salinity affects plant growth and is a major abiotic stress that limits crop productivity. It is well-understood that environmental adaptations and genetic traits regulate salinity tolerance in plants, but imparting the knowledge gained towards crop improvement remain arduous. Harnessing the potential of beneficial microorganisms present in the rhizosphere is an alternative strategy for improving plant stress tolerance. This review intends to elucidate the understanding of salinity tolerance mechanisms attributed by plant growth promoting rhizobacteria (PGPR). Recent advances in molecular studies have yielded insights into the signaling networks of plant-microbe interactions that contribute to salt tolerance. The beneficial effects of PGPR involve boosting key physiological processes, including water and nutrient uptake, photosynthesis, and source-sink relationships that promote growth and development. The regulation of osmotic balance and ion homeostasis by PGPR are conducted through modulation of phytohormone status, gene expression, protein function, and metabolite synthesis in plants. As a result, improved antioxidant activity, osmolyte accumulation, proton transport machinery, salt compartmentalization, and nutrient status reduce osmotic stress and ion toxicity. Furthermore, in addition to indole-3-acetic acid and 1-aminocyclopropane-1-carboxylic acid deaminase biosynthesis, other extracellular secretions of the rhizobacteria function as signaling molecules and elicit stress responsive pathways. Application of PGPR inoculants is a promising measure to combat salinity in agricultural fields, thereby increasing global food production.
Collapse
Affiliation(s)
| | - Donald L. Smith
- Department of Plant Science, Faculty of Agricultural and Environmental Sciences, McGill University, Sainte-Anne-de-Bellevue, QC, Canada
| |
Collapse
|
36
|
Martín-Davison AS, Pérez-Díaz R, Soto F, Madrid-Espinoza J, González-Villanueva E, Pizarro L, Norambuena L, Tapia J, Tajima H, Blumwald E, Ruiz-Lara S. Involvement of SchRabGDI1 from Solanum chilense in endocytic trafficking and tolerance to salt stress. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2017; 263:1-11. [PMID: 28818364 DOI: 10.1016/j.plantsci.2017.06.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Revised: 06/07/2017] [Accepted: 06/17/2017] [Indexed: 05/26/2023]
Abstract
Physiological responses of plants to salinity stress requires the coordinated activation of many genes. A salt-induced gene was isolated from roots of the wild tomato species Solanum chilense and named SchRabGDI1 because it encodes a protein with high identity to GDP dissociation inhibitors of plants. These proteins are regulators of the RabGTPase cycle that play key roles in intracellular vesicular trafficking. The expression pattern of SchRabGDI1 showed an early up-regulation in roots and leaves under salt stress. Functional activity of SchRabGDI1 was shown by restoring the defective phenotype of the yeast sec19-1 mutant and the capacity of SchRabGDI1 to interact with RabGTPase was demonstrated through BiFC assays. Expression of SchRabGDI1 in Arabidopsis thaliana plants resulted in increased salt tolerance. Also, the root cells of transgenic plants showed higher rate of endocytosis under normal growth conditions and higher accumulation of sodium in vacuoles and small vesicular structures under salt stress than wild type. Our results suggest that in salt tolerant species such as S. chilense, bulk endocytosis is one of the early mechanisms to avoid salt stress, which requires the concerted expression of regulatory genes involved in vesicular trafficking of the endocytic pathway.
Collapse
Affiliation(s)
| | - Ricardo Pérez-Díaz
- Instituto de Ciencias Biológicas, Universidad de Talca, 2 Norte 685, Talca, Chile
| | - Flavia Soto
- Instituto de Ciencias Biológicas, Universidad de Talca, 2 Norte 685, Talca, Chile
| | - José Madrid-Espinoza
- Instituto de Ciencias Biológicas, Universidad de Talca, 2 Norte 685, Talca, Chile
| | | | - Lorena Pizarro
- Centro de Biología Molecular Vegetal, Facultad de Ciencias, Universidad de Chile, Santiago, Chile
| | - Lorena Norambuena
- Centro de Biología Molecular Vegetal, Facultad de Ciencias, Universidad de Chile, Santiago, Chile
| | - Jaime Tapia
- Instituto de Química de los Recursos Naturales, Universidad de Talca, 2 Norte 685, Talca, Chile
| | - Hiromi Tajima
- Department of Plant Sciences, University of California, Davis, CA 95616, USA
| | - Eduardo Blumwald
- Department of Plant Sciences, University of California, Davis, CA 95616, USA
| | - Simón Ruiz-Lara
- Instituto de Ciencias Biológicas, Universidad de Talca, 2 Norte 685, Talca, Chile.
| |
Collapse
|