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Toribio R, Navarro A, Castellano MM. HOP stabilizes the HSFA1a and plays a main role in the onset of thermomorphogenesis. PLANT, CELL & ENVIRONMENT 2024. [PMID: 39007522 DOI: 10.1111/pce.15036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 06/26/2024] [Accepted: 07/02/2024] [Indexed: 07/16/2024]
Abstract
Living organisms have the capacity to respond to environmental stimuli, including warm conditions. Upon sensing mild temperature, plants launch a transcriptional response that promotes morphological changes, globally known as thermomorphogenesis. This response is orchestrated by different hormonal networks and by the activity of different transcription factors, including the heat shock factor A1 (HSFA1) family. Members of this family interact with heat shock protein 70 (HSP70) and heat shock protein 90 (HSP90); however, the effect of this binding on the regulation of HSFA1 activity or of the role of cochaperones, such as the HSP70-HSP90 organizing protein (HOP) on HSFA1 regulation, remains unknown. Here, we show that AtHOPs are involved in the folding and stabilization of the HSFA1a and are required for the onset of the transcriptional response associated to thermomorphogenesis. Our results demonstrate that the three members of the AtHOP family bind in vivo to the HSFA1a and that the expression of multiple HSFA1a-responsive-responsive genes is altered in the hop1 hop2 hop3 mutant under warm temperature. Interestingly, HSFA1a is accumulated at lower levels in the hop1 hop2 hop3 mutant, while control levels are recovered in the presence of the proteasome inhibitor MG132 or the synthetic chaperone tauroursodeoxycholic acid (TUDCA). This uncovers the HSFA1a as a client of HOP complexes in plants and reveals the participation of HOPs in HSFA1a stability.
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Affiliation(s)
- René Toribio
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria-CSIC (INIA/CSIC), Campus de Montegancedo, Pozuelo de Alarcón, Madrid, Spain
| | - Aurora Navarro
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria-CSIC (INIA/CSIC), Campus de Montegancedo, Pozuelo de Alarcón, Madrid, Spain
| | - M Mar Castellano
- Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM) - Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria-CSIC (INIA/CSIC), Campus de Montegancedo, Pozuelo de Alarcón, Madrid, Spain
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2
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Huang F, Lei Y, Duan J, Kang Y, Luo Y, Ding D, Chen Y, Li S. Investigation of heat stress responses and adaptation mechanisms by integrative metabolome and transcriptome analysis in tea plants (Camellia sinensis). Sci Rep 2024; 14:10023. [PMID: 38693343 PMCID: PMC11063163 DOI: 10.1038/s41598-024-60411-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Accepted: 04/23/2024] [Indexed: 05/03/2024] Open
Abstract
Extreme high temperature has deleterious impact on the yield and quality of tea production, which has aroused the attention of growers and breeders. However, the mechanisms by which tea plant varieties respond to extreme environmental heat is not clear. In this study, we analyzed physiological indices, metabolites and transcriptome differences in three different heat-tolerant tea plant F1 hybrid progenies. Results showed that the antioxidant enzyme activity, proline, and malondialdehyde were significantly decreased in heat-sensitive 'FWS' variety, and the accumulation of reactive oxygen molecules such as H2O2 and O2- was remarkably increased during heat stress. Metabolomic analysis was used to investigate the metabolite accumulation pattern of different varieties in response to heat stress. The result showed that a total of 810 metabolites were identified and more than 300 metabolites were differentially accumulated. Transcriptional profiling of three tea varieties found that such genes encoding proteins with chaperon domains were preferentially expressed in heat-tolerant varieties under heat stress, including universal stress protein (USP32, USP-like), chaperonin-like protein 2 (CLP2), small heat shock protein (HSP18.1), and late embryogenesis abundant protein (LEA5). Combining metabolomic with transcriptomic analyses discovered that the flavonoids biosynthesis pathway was affected by heat stress and most flavonols were up-regulated in heat-tolerant varieties, which owe to the preferential expression of key FLS genes controlling flavonol biosynthesis. Take together, molecular chaperons, or chaperon-like proteins, flavonols accumulation collaboratively contributed to the heat stress adaptation in tea plant. The present study elucidated the differences in metabolite accumulation and gene expression patterns among three different heat-tolerant tea varieties under extreme ambient high temperatures, which helps to reveal the regulatory mechanisms of tea plant adaptation to heat stress, and provides a reference for the breeding of heat-tolerant tea plant varieties.
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Affiliation(s)
- Feiyi Huang
- Tea Research Institute in Hunan Academy of Agricultural Sciences/National Small and Medium Leaf Tea Plant Germplasm Resource Nursery (Changsha)/National Centre for Tea Improvement, Hunan Branch, Changsha, 410125, China
| | - Yu Lei
- Tea Research Institute in Hunan Academy of Agricultural Sciences/National Small and Medium Leaf Tea Plant Germplasm Resource Nursery (Changsha)/National Centre for Tea Improvement, Hunan Branch, Changsha, 410125, China
| | - Jihua Duan
- Tea Research Institute in Hunan Academy of Agricultural Sciences/National Small and Medium Leaf Tea Plant Germplasm Resource Nursery (Changsha)/National Centre for Tea Improvement, Hunan Branch, Changsha, 410125, China
| | - Yankai Kang
- Tea Research Institute in Hunan Academy of Agricultural Sciences/National Small and Medium Leaf Tea Plant Germplasm Resource Nursery (Changsha)/National Centre for Tea Improvement, Hunan Branch, Changsha, 410125, China
| | - Yi Luo
- Tea Research Institute in Hunan Academy of Agricultural Sciences/National Small and Medium Leaf Tea Plant Germplasm Resource Nursery (Changsha)/National Centre for Tea Improvement, Hunan Branch, Changsha, 410125, China
| | - Ding Ding
- Tea Research Institute in Hunan Academy of Agricultural Sciences/National Small and Medium Leaf Tea Plant Germplasm Resource Nursery (Changsha)/National Centre for Tea Improvement, Hunan Branch, Changsha, 410125, China
| | - Yingyu Chen
- Tea Research Institute in Hunan Academy of Agricultural Sciences/National Small and Medium Leaf Tea Plant Germplasm Resource Nursery (Changsha)/National Centre for Tea Improvement, Hunan Branch, Changsha, 410125, China
| | - Saijun Li
- Tea Research Institute in Hunan Academy of Agricultural Sciences/National Small and Medium Leaf Tea Plant Germplasm Resource Nursery (Changsha)/National Centre for Tea Improvement, Hunan Branch, Changsha, 410125, China.
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Ruan M, Zhao H, Wen Y, Chen H, He F, Hou X, Song X, Jiang H, Ruan YL, Wu L. The complex transcriptional regulation of heat stress response in maize. STRESS BIOLOGY 2024; 4:24. [PMID: 38668992 PMCID: PMC11052759 DOI: 10.1007/s44154-024-00165-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 04/01/2024] [Indexed: 04/29/2024]
Abstract
As one of the most important food and feed crops worldwide, maize suffers much more tremendous damages under heat stress compared to other plants, which seriously inhibits plant growth and reduces productivity. To mitigate the heat-induced damages and adapt to high temperature environment, plants have evolved a series of molecular mechanisms to sense, respond and adapt high temperatures and heat stress. In this review, we summarized recent advances in molecular regulations underlying high temperature sensing, heat stress response and memory in maize, especially focusing on several important pathways and signals in high temperature sensing, and the complex transcriptional regulation of ZmHSFs (Heat Shock Factors) in heat stress response. In addition, we highlighted interactions between ZmHSFs and several epigenetic regulation factors in coordinately regulating heat stress response and memory. Finally, we laid out strategies to systematically elucidate the regulatory network of maize heat stress response, and discussed approaches for breeding future heat-tolerance maize.
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Affiliation(s)
- Mingxiu Ruan
- The National Engineering Laboratory of Crop Resistance Breeding, School of Life Sciences, Anhui Agricultural University, Hefei, 230036, China
| | - Heng Zhao
- The National Engineering Laboratory of Crop Resistance Breeding, School of Life Sciences, Anhui Agricultural University, Hefei, 230036, China
| | - Yujing Wen
- The National Engineering Laboratory of Crop Resistance Breeding, School of Life Sciences, Anhui Agricultural University, Hefei, 230036, China
| | - Hao Chen
- The National Engineering Laboratory of Crop Resistance Breeding, School of Life Sciences, Anhui Agricultural University, Hefei, 230036, China
| | - Feng He
- The National Engineering Laboratory of Crop Resistance Breeding, School of Life Sciences, Anhui Agricultural University, Hefei, 230036, China
| | - Xingbo Hou
- The National Engineering Laboratory of Crop Resistance Breeding, School of Life Sciences, Anhui Agricultural University, Hefei, 230036, China
| | - Xiaoqin Song
- The National Engineering Laboratory of Crop Resistance Breeding, School of Life Sciences, Anhui Agricultural University, Hefei, 230036, China
| | - Haiyang Jiang
- The National Engineering Laboratory of Crop Resistance Breeding, School of Life Sciences, Anhui Agricultural University, Hefei, 230036, China
| | - Yong-Ling Ruan
- State Key Laboratory of Crop Stress Biology in Arid Areas and College of Horticulture, Northwest A&F University, Yangling, 712100, China.
- School of Agronomy, Anhui Agricultural University, Hefei, 230036, China.
- Division of Plant Sciences, Research School of Biology, The Australian National University, Canberra, ACT, 2601, Australia.
| | - Leiming Wu
- The National Engineering Laboratory of Crop Resistance Breeding, School of Life Sciences, Anhui Agricultural University, Hefei, 230036, China.
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Goyal E, Singh AK, Mahajan MM, Kanika K. Comparative transcriptome profiling of contrasting finger millet (Eleusine coracana (L.) Gaertn) genotypes under heat stress. Mol Biol Rep 2024; 51:283. [PMID: 38324135 DOI: 10.1007/s11033-024-09233-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 01/09/2024] [Indexed: 02/08/2024]
Abstract
BACKGROUND Eleusine coracana (L.) Gaertn is a crucial C4 species renowned for its stress robustness and nutritional significance. Because of its adaptability traits, finger millet (ragi) is a storehouse of critical genomic resources for crop improvement. However, more knowledge about this crop's molecular responses to heat stress needs to be gained. METHODS AND RESULTS In the present study, a comparative RNA sequencing analysis was done in the leaf tissue of the finger millet, between the heat-sensitive (KJNS-46) and heat-tolerant (PES-110) cultivars of Ragi, in response to high temperatures. On average, each sample generated about 24 million reads. Interestingly, a comparison of transcriptomic profiling identified 684 transcripts which were significantly differentially expressed genes (DEGs) examined between the heat-stressed samples of both genotypes. The heat-induced change in the transcriptome was confirmed by qRT-PCR using a set of randomly selected genes. Pathway analysis and functional annotation analysis revealed the activation of various genes involved in response to stress specifically heat, oxidation-reduction process, water deprivation, and changes in heat shock protein (HSP) and transcription factors, calcium signaling, and kinase signaling. The basal regulatory genes, such as bZIP, were involved in response to heat stress, indicating that heat stress activates genes involved in housekeeping or related to basal regulatory processes. A substantial percentage of the DEGs belonged to proteins of unknown functions (PUFs), i.e., not yet characterized. CONCLUSION These findings highlight the importance of candidate genes, such as HSPs and pathways that can confer tolerance towards heat stress in ragi. These results will provide valuable information to improve the heat tolerance in heat-susceptible agronomically important varieties of ragi and other crops.
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Affiliation(s)
- Etika Goyal
- Biotechnology and Climate Change Laboratory, National Institute for Plant Biotechnology, New Delhi, India
| | - Amit Kumar Singh
- Biotechnology and Climate Change Laboratory, National Institute for Plant Biotechnology, New Delhi, India
| | - Mahesh Mohanrao Mahajan
- Biotechnology and Climate Change Laboratory, National Institute for Plant Biotechnology, New Delhi, India
| | - Kumar Kanika
- Biotechnology and Climate Change Laboratory, National Institute for Plant Biotechnology, New Delhi, India.
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Ren W, Ding B, Dong W, Yue Y, Long X, Zhou Z. Unveiling HSP40/60/70/90/100 gene families and abiotic stress response in Jerusalem artichoke. Gene 2024; 893:147912. [PMID: 37863300 DOI: 10.1016/j.gene.2023.147912] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 09/28/2023] [Accepted: 10/17/2023] [Indexed: 10/22/2023]
Abstract
Heat shock proteins (HSPs) are essential for plant growth, development, and stress adaptation. However, their roles in Jerusalem artichoke are largely unexplored. Using bioinformatics, we classified 143 HSP genes into distinct families: HSP40 (82 genes), HSP60 (22 genes), HSP70 (29 genes), HSP90 (6 genes), and HSP100 (4 genes). Our analysis covered their traits, evolution, and structures. Using RNA-seq data, we uncovered unique expression patterns of these HSP genes across growth stages and tissues. Notably, HSP40, HSP60, HSP70, HSP90, and HSP100 families each had specific roles. We also studied how these gene families responded to various stresses, from extreme temperatures to drought and salinity, revealing intricate expression dynamics. Remarkably, HSP40 showed remarkable flexibility, while HSP60, HSP70, HSP90, and HSP100 responded specifically to stress types. Moreover, our analysis unveiled significant correlations between gene pairs under stress, implying cooperative interactions. qRT-PCR validation underscored the significance of particular genes such as HtHSP60-7, HtHSP90-5, HtHSP100-2, and HtHSP100-3 in responding to stress. In summary, our study advances the understanding of how HSP gene families collectively manage stresses in Jerusalem artichoke. This provides insights into specific gene functions and broader plant stress responses.
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Affiliation(s)
- Wencai Ren
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Baishui Ding
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Wenhan Dong
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Yang Yue
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Xiaohua Long
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Zhaosheng Zhou
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China.
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Lefa P, Samiotaki M, Farmaki T. Proteome Analysis of the ROF-FKBP Mutants Reveals Functional Relations among Heat Stress Responses, Plant Development, and Protein Quality Control during Heat Acclimation in Arabidopsis thaliana. ACS OMEGA 2024; 9:2391-2408. [PMID: 38250364 PMCID: PMC10795062 DOI: 10.1021/acsomega.3c06773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 11/24/2023] [Accepted: 12/07/2023] [Indexed: 01/23/2024]
Abstract
In the present study, a differential screening following heat stress acclimation was performed in Arabidopsis thaliana WT and ROF-FKBP mutated plants using mass spectrometry, and the results were used to understand and analyze the effect of the ROF PPIases during thermotolerance acquisition in plants. Our data highlight the central role of these two PPIases in heat stress and point to their direct or indirect effect on other proteins participating in cellular functions such as protein folding and quality control, cell division, photosynthesis, and other metabolic and signaling processes. Specifically, the heat stress response, protein folding, and protein ER processing pathways are enhanced following a 37 °C acclimation period independent of the mutation state. However, at 37 °C, and in the double-mutated rof1-/2- plants, a higher accumulation of proteins belonging to the above pathways is observed compared with all other conditions (WT, single mutants, control, and heat-acclimated plants). Furthermore, the proteasomal pathway, involving the common member of both the protasomal and the lysosomal degradation pathway, CDC48, is over-represented in the extracts of both the untreated and heat-stressed rof1-/2- mutants compared with the other extracts. In contrast, in the single rof1- mutation, the heat acclimation pathway is suppressed at 37 °C when compared to the WT. Protein accumulation related to the heat stress and the protein quality control pathways points to a differential but also synergistic role of the two proteins. Protein complexes of other biochemical and developmental mechanisms, such as the light-harvesting complex of the photosynthetic pathway and the phosphoinositide binding proteins involved in membrane-trafficking events during cell plate formation and cytokinesis (patellin 1, 2, and 4), are negatively regulated in the rof1-/2- mutant. Our results suggest that ROF1 and ROF2 FKBPs regulate stress response, and developmental and metabolic pathways via a complex feedback mechanism involving partners that ensure protein quality control and plant survival during heat stress.
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Affiliation(s)
- Paraskevi Lefa
- Institute
of Applied Biosciences, Center for Research and Technology—Hellas, Sixth km Charilaou-Thermi rd., 57001 Thermi Thessaloniki, Greece
| | - Martina Samiotaki
- Biomedical
Sciences Research Center “Alexander Fleming”, Institute for Bioinnovation, 16672 Vari, Greece
| | - Theodora Farmaki
- Institute
of Applied Biosciences, Center for Research and Technology—Hellas, Sixth km Charilaou-Thermi rd., 57001 Thermi Thessaloniki, Greece
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7
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Kozeko L, Kordyum E. Spatiotemporal expression patterns of cytosolic AtHSP90-2 in Arabidopsis seedlings. PLANT SIGNALING & BEHAVIOR 2023; 18:2202977. [PMID: 37071581 PMCID: PMC10114973 DOI: 10.1080/15592324.2023.2202977] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Heat shock protein AtHSP90-2 is one of the three constitutive cytosolic HSP90s of Arabidopsis thaliana, which are highly homologous and show mild expression activation in response to stressful impacts. To characterize the functioning of AtHSP90-2, we have analyzed tissue-specificity of its expression during seedling development using a DsG transgenic line carrying a loss-of-function mutation of AtHSP90-2 via translational fusions with the β-glucuronidase reporter gene (GUS). Histochemical analysis during the first two weeks of seedling growth revealed AtHSP90-2 expression in all organs, as well as differences in its intensity between tissues and showed its dynamics. The tissue-specific AtHSP90-2-GUS expression pattern was shown to be maintained under heat shock and water deficit. The most prominent GUS staining was detected in the vascular system and hydathodes of cotyledons, and stipules. The basipetal gradient of AtHSP90-2 expression during leaf formation, its dynamics in developing stipules, and the high level of its expression in cells with active transport function suggest a special role for the gene in certain cellular processes.
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Affiliation(s)
- Liudmyla Kozeko
- Department of Cell Biology and Anatomy, M.G. Kholodny Institute of Botany of the National Academy of Sciences of Ukraine, Kyiv, Ukraine
- CONTACT Liudmyla Kozeko Department of Cell Biology and Anatomy, M.G. Kholodny Institute of Botany of the National Academy of Sciences of Ukraine, Tereshchenkivska str. 2, Kyiv01601, Ukraine
| | - Elizabeth Kordyum
- Department of Cell Biology and Anatomy, M.G. Kholodny Institute of Botany of the National Academy of Sciences of Ukraine, Kyiv, Ukraine
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8
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Guihur A, Bourgine B, Rebeaud ME, Goloubinoff P. Design of an Arabidopsis thaliana reporter line to detect heat-sensing and signaling mutants. PLANT METHODS 2023; 19:56. [PMID: 37291595 DOI: 10.1186/s13007-023-01033-x] [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: 04/06/2023] [Accepted: 05/28/2023] [Indexed: 06/10/2023]
Abstract
BACKGROUND Global warming is a major challenge for plant survival and growth. Understanding the molecular mechanisms by which higher plants sense and adapt to upsurges in the ambient temperature is essential for developing strategies to enhance plant tolerance to heat stress. Here, we designed a heat-responsive Arabidopsis thaliana reporter line that allows an in-depth investigation of the mechanisms underlying the accumulation of protective heat-shock proteins (HSPs) in response to high temperature. METHODS A transgenic Arabidopsis thaliana reporter line named "Heat-Inducible Bioluminescence And Toxicity" (HIBAT) was designed to express from a conditional heat-inducible promoter, a fusion gene encoding for nanoluciferase and D-amino acid oxidase, whose expression is toxic in the presence of D-valine. HIBAT seedlings were exposed to different heat treatments in presence or absence of D-valine and analyzed for survival rate, bioluminescence and HSP gene expression. RESULTS Whereas at 22 °C, HIBAT seedlings grew unaffected by D-valine, and all survived iterative heat treatments without D-valine, 98% died following heat treatments on D-valine. The HSP17.3B promoter was highly specific to heat as it remained unresponsive to various plant hormones, Flagellin, H2O2, osmotic stress and high salt. RNAseq analysis of heat-treated HIBAT seedlings showed a strong correlation with expression profiles of two wild type lines, confirming that HIBAT does not significantly differ from its Col-0 parent. Using HIBAT, a forward genetic screen revealed candidate loss-of-function mutants, apparently defective either at accumulating HSPs at high temperature or at repressing HSP accumulation at non-heat-shock temperatures. CONCLUSION HIBAT is a valuable candidate tool to identify Arabidopsis mutants defective in the response to high temperature stress. It opens new avenues for future research on the regulation of HSP expression and for understanding the mechanisms of plant acquired thermotolerance.
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Affiliation(s)
- Anthony Guihur
- Department of Plant Molecular Biology, Faculty of Biology and Medicine, University of Lausanne, 1015, Lausanne, Switzerland.
| | - Baptiste Bourgine
- Department of Plant Molecular Biology, Faculty of Biology and Medicine, University of Lausanne, 1015, Lausanne, Switzerland
| | - Mathieu E Rebeaud
- Institute of Physics, School of Basic Sciences, École Polytechnique Fédérale de Lausanne (EPFL), 1015, Lausanne, Switzerland
| | - Pierre Goloubinoff
- Department of Plant Molecular Biology, Faculty of Biology and Medicine, University of Lausanne, 1015, Lausanne, Switzerland.
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Liang Y, Huang Y, Liu C, Chen K, Li M. Functions and interaction of plant lipid signalling under abiotic stresses. PLANT BIOLOGY (STUTTGART, GERMANY) 2023; 25:361-378. [PMID: 36719102 DOI: 10.1111/plb.13507] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 01/16/2023] [Indexed: 06/18/2023]
Abstract
Lipids are the primary form of energy storage and a major component of plasma membranes, which form the interface between the cell and the extracellular environment. Several lipids - including phosphoinositide, phosphatidic acid, sphingolipids, lysophospholipids, oxylipins, and free fatty acids - also serve as substrates for the generation of signalling molecules. Abiotic stresses, such as drought and temperature stress, are known to affect plant growth. In addition, abiotic stresses can activate certain lipid-dependent signalling pathways that control the expression of stress-responsive genes and contribute to plant stress adaptation. Many studies have focused either on the enzymatic production and metabolism of lipids, or on the mechanisms of abiotic stress response. However, there is little information regarding the roles of plant lipids in plant responses to abiotic stress. In this review, we describe the metabolism of plant lipids and discuss their involvement in plant responses to abiotic stress. As such, this review provides crucial background for further research on the interactions between plant lipids and abiotic stress.
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Affiliation(s)
- Y Liang
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection, Guangxi Key Laboratory of Landscape Resources Conservation and Sustainable Utilization in Lijiang River Basin, Guangxi Normal University, College of Life Science, Guilin, China
| | - Y Huang
- Guilin University of Electronic Technology, School of Mechanical and Electrical Engineering, Guilin, China
| | - C Liu
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection, Guangxi Key Laboratory of Landscape Resources Conservation and Sustainable Utilization in Lijiang River Basin, Guangxi Normal University, College of Life Science, Guilin, China
| | - K Chen
- Department of Biotechnology, Huazhong University of Science and Technology, College of Life Science and Technology, Wuhan, China
| | - M Li
- Department of Biotechnology, Huazhong University of Science and Technology, College of Life Science and Technology, Wuhan, China
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Zhen Z, Dongying F, Yue S, Lipeng Z, Jingjing L, Minying L, Yuanyuan X, Juan H, Shiren S, Yi R, Bin H, Chao M. Translational profile of coding and non-coding RNAs revealed by genome wide profiling of ribosome footprints in grapevine. FRONTIERS IN PLANT SCIENCE 2023; 14:1097846. [PMID: 36844052 PMCID: PMC9944039 DOI: 10.3389/fpls.2023.1097846] [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: 11/14/2022] [Accepted: 01/23/2023] [Indexed: 06/18/2023]
Abstract
Translation is a crucial process during plant growth and morphogenesis. In grapevine (Vitis vinifera L.), many transcripts can be detected by RNA sequencing; however, their translational regulation is still largely unknown, and a great number of translation products have not yet been identified. Here, ribosome footprint sequencing was carried out to reveal the translational profile of RNAs in grapevine. A total of 8291 detected transcripts were divided into four parts, including the coding, untranslated regions (UTR), intron, and intergenic regions, and the 26 nt ribosome-protected fragments (RPFs) showed a 3 nt periodic distribution. Furthermore, the predicted proteins were identified and classified by GO analysis. More importantly, 7 heat shock-binding proteins were found to be involved in molecular chaperone DNA J families participating in abiotic stress responses. These 7 proteins have different expression patterns in grape tissues; one of them was significantly upregulated by heat stress according to bioinformatics research and was identified as DNA JA6. The subcellular localization results showed that VvDNA JA6 and VvHSP70 were both localized on the cell membrane. Therefore, we speculate that DNA JA6 may interact with HSP70. In addition, overexpression of VvDNA JA6 and VvHSP70, reduced the malondialdehyde (MDA) content, improved the antioxidant enzyme activity of superoxide dismutase (SOD), catalase (CAT) and peroxidase (POD), increased the content of proline, an osmolyte substance, and affected the expression of the high-temperature marker genes VvHsfB1, VvHsfB2A, VvHsfC and VvHSP100. In summary, our study proved that VvDNA JA6 and the heat shock protein VvHSP70 play a positive role in the response to heat stress. This study lays a foundation for further exploring the balance between gene expression and protein translation in grapevine under heat stress.
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Affiliation(s)
- Zhang Zhen
- Shanghai Collaborative Innovation Center of Agri-Seeds, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Fan Dongying
- Shanghai Collaborative Innovation Center of Agri-Seeds, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Song Yue
- Shanghai Collaborative Innovation Center of Agri-Seeds, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Zhang Lipeng
- Department of Horticulture, College of Agriculture, Shihezi University, Shihezi, Xinjiang, China
| | - Liu Jingjing
- Department of Horticulture, College of Agriculture, Shihezi University, Shihezi, Xinjiang, China
| | - Liu Minying
- Shanghai Collaborative Innovation Center of Agri-Seeds, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Xu Yuanyuan
- Shanghai Collaborative Innovation Center of Agri-Seeds, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - He Juan
- Shanghai Collaborative Innovation Center of Agri-Seeds, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Song Shiren
- Shanghai Collaborative Innovation Center of Agri-Seeds, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Ren Yi
- Shanghai Collaborative Innovation Center of Agri-Seeds, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Han Bin
- Changli Research Institute of Fruit Trees, Hebei Academy of Agricultural and Forestry Sciences, Changli, Hebei, China
| | - Ma Chao
- Shanghai Collaborative Innovation Center of Agri-Seeds, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
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11
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Kolupaev YE, Yastreb TO, Ryabchun NI, Yemets AI, Dmitriev OP, Blume YB. Cellular Mechanisms of the Formation of Plant Adaptive Responses to High Temperatures. CYTOL GENET+ 2023. [DOI: 10.3103/s0095452723010048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
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12
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Zeng Y, Wang J, Huang S, Xie Y, Zhu T, Liu L, Li L. HSP90s are required for hypocotyl elongation during skotomorphogenesis and thermomorphogenesis via the COP1-ELF3-PIF4 pathway in Arabidopsis. THE NEW PHYTOLOGIST 2023. [PMID: 36707919 DOI: 10.1111/nph.18776] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 01/22/2023] [Indexed: 06/18/2023]
Abstract
Light and temperature are two key environmental signals that share several molecular components that, in turn, regulate plant growth. Darkness and high ambient temperatures promote skoto- and thermomorphogenesis, including stem elongation. Heat shock proteins 90 (HSP90s) facilitate the adaptation of organisms to various adverse environmental stimuli. Here, we showed that HSP90s are required for hypocotyl elongation during both skoto- and thermomorphogenesis. When HSP90s activities are impaired by the knockdown of HSP90s expression or the application of HSP90 inhibitors, the expression levels and protein abundance of PHYTOCHROME-INTERACTING FACTOR 4 (PIF4) markedly decreased. EARLY FLOWERING 3 (ELF3) deficiency was resistant to the inhibition of HSP90s activities. Furthermore, HSP90s interacted with and destabilized ELF3. In the CONSTITUTIVE PHOTOMORPHOGENIC 1 (COP1) mutant, the changes in endogenous PIF4 and ELF3 protein levels caused by the inhibition of HSP90s activities were abolished. HSP90s enhanced the interaction between COP1 and ELF3, reduced ELF3 functional effects on PIF4 and modulated hypocotyl elongation during skoto- and thermomorphogenesis. Our results indicated that HSP90s participate in light and temperature signalling via the COP1-ELF3-PIF4 module to regulate hypocotyl growth in changing environments.
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Affiliation(s)
- Yue Zeng
- State Key Laboratory of Genetic Engineering, Institute of Plants Biology, School of Life Sciences, Fudan University, Shanghai, 200438, China
| | - Jiayu Wang
- State Key Laboratory of Genetic Engineering, Institute of Plants Biology, School of Life Sciences, Fudan University, Shanghai, 200438, China
| | - Sha Huang
- State Key Laboratory of Genetic Engineering, Institute of Plants Biology, School of Life Sciences, Fudan University, Shanghai, 200438, China
| | - Yu Xie
- State Key Laboratory of Genetic Engineering, Institute of Plants Biology, School of Life Sciences, Fudan University, Shanghai, 200438, China
| | - Tongdan Zhu
- State Key Laboratory of Genetic Engineering, Institute of Plants Biology, School of Life Sciences, Fudan University, Shanghai, 200438, China
| | - Leyi Liu
- State Key Laboratory of Genetic Engineering, Institute of Plants Biology, School of Life Sciences, Fudan University, Shanghai, 200438, China
| | - Lin Li
- State Key Laboratory of Genetic Engineering, Institute of Plants Biology, School of Life Sciences, Fudan University, Shanghai, 200438, China
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13
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Bai WP, Li HJ, Hepworth SR, Liu HS, Liu LB, Wang GN, Ma Q, Bao AK, Wang SM. Physiological and transcriptomic analyses provide insight into thermotolerance in desert plant Zygophyllum xanthoxylum. BMC PLANT BIOLOGY 2023; 23:7. [PMID: 36600201 PMCID: PMC9814312 DOI: 10.1186/s12870-022-04024-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 12/22/2022] [Indexed: 05/25/2023]
Abstract
BACKGROUND Heat stress has adverse effects on the growth and reproduction of plants. Zygophyllum xanthoxylum, a typical xerophyte, is a dominant species in the desert where summer temperatures are around 40 °C. However, the mechanism underlying the thermotolerance of Z. xanthoxylum remained unclear. RESULTS Here, we characterized the acclimation of Z. xanthoxylum to heat using a combination of physiological measurements and transcriptional profiles under treatments at 40 °C and 45 °C, respectively. Strikingly, moderate high temperature (40 °C) led to an increase in photosynthetic capacity and superior plant performance, whereas severe high temperature (45 °C) was accompanied by reduced photosynthetic capacity and inhibited growth. Transcriptome profiling indicated that the differentially expressed genes (DEGs) were related to transcription factor activity, protein folding and photosynthesis under heat conditions. Furthermore, numerous genes encoding heat transcription shock factors (HSFs) and heat shock proteins (HSPs) were significantly up-regulated under heat treatments, which were correlated with thermotolerance of Z. xanthoxylum. Interestingly, the up-regulation of PSI and PSII genes and the down-regulation of chlorophyll catabolism genes likely contribute to improving plant performance of Z. xanthoxylum under moderate high temperature. CONCLUSIONS We identified key genes associated with of thermotolerance and growth in Z. xanthoxylum, which provide significant insights into the regulatory mechanisms of thermotolerance and growth regulation in Z. xanthoxylum under high temperature conditions.
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Affiliation(s)
- Wan-Peng Bai
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, People's Republic of China
| | - Hu-Jun Li
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, People's Republic of China
| | - Shelley R Hepworth
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, People's Republic of China
- Department of Biology, Institute of Biochemistry, Carleton University, Ottawa, ON, Canada
| | - Hai-Shuang Liu
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, People's Republic of China
| | - Lin-Bo Liu
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, People's Republic of China
| | - Gai-Ni Wang
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, People's Republic of China
| | - Qing Ma
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, People's Republic of China
| | - Ai-Ke Bao
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, People's Republic of China
| | - Suo-Min Wang
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, People's Republic of China.
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14
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Fernández-Crespo E, Liu-Xu L, Albert-Sidro C, Scalschi L, Llorens E, González-Hernández AI, Crespo O, Gonzalez-Bosch C, Camañes G, García-Agustín P, Vicedo B. Exploiting Tomato Genotypes to Understand Heat Stress Tolerance. PLANTS (BASEL, SWITZERLAND) 2022; 11:3170. [PMID: 36432899 PMCID: PMC9696584 DOI: 10.3390/plants11223170] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 11/08/2022] [Accepted: 11/12/2022] [Indexed: 06/16/2023]
Abstract
Increased temperatures caused by climate change constitute a significant threat to agriculture and food security. The selection of improved crop varieties with greater tolerance to heat stress is crucial for the future of agriculture. To overcome this challenge, four traditional tomato varieties from the Mediterranean basin and two commercial genotypes were selected to characterize their responses at high temperatures. The screening of phenotypes under heat shock conditions allowed to classify the tomato genotypes as: heat-sensitive: TH-30, ADX2; intermediate: ISR-10 and Ailsa Craig; heat-tolerant: MM and MO-10. These results reveal the intra-genetical variation of heat stress responses, which can be exploited as promising sources of tolerance to climate change conditions. Two different thermotolerance strategies were observed. The MO-10 plants tolerance was based on the control of the leaf cooling mechanism and the rapid RBOHB activation and ABA signaling pathways. The variety MM displayed a different strategy based on the activation of HSP70 and 90, as well as accumulation of phenolic compounds correlated with early induction of PAL expression. The importance of secondary metabolism in the recovery phase has been also revealed. Understanding the molecular events allowing plants to overcome heat stress constitutes a promising approach for selecting climate resilient tomato varieties.
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Affiliation(s)
- Emma Fernández-Crespo
- Grupo de Bioquímica y Biotecnología, Área de Fisiología Vegetal, Departamento de Biología, Bioquímica y Ciencias Naturales, ESTCE, Universitat Jaume I, 12071 Castellón, Spain
| | - Luisa Liu-Xu
- Grupo de Bioquímica y Biotecnología, Área de Fisiología Vegetal, Departamento de Biología, Bioquímica y Ciencias Naturales, ESTCE, Universitat Jaume I, 12071 Castellón, Spain
| | - Carlos Albert-Sidro
- Grupo de Bioquímica y Biotecnología, Área de Fisiología Vegetal, Departamento de Biología, Bioquímica y Ciencias Naturales, ESTCE, Universitat Jaume I, 12071 Castellón, Spain
| | - Loredana Scalschi
- Grupo de Bioquímica y Biotecnología, Área de Fisiología Vegetal, Departamento de Biología, Bioquímica y Ciencias Naturales, ESTCE, Universitat Jaume I, 12071 Castellón, Spain
| | - Eugenio Llorens
- Grupo de Bioquímica y Biotecnología, Área de Fisiología Vegetal, Departamento de Biología, Bioquímica y Ciencias Naturales, ESTCE, Universitat Jaume I, 12071 Castellón, Spain
| | - Ana Isabel González-Hernández
- Grupo de Bioquímica y Biotecnología, Área de Fisiología Vegetal, Departamento de Biología, Bioquímica y Ciencias Naturales, ESTCE, Universitat Jaume I, 12071 Castellón, Spain
| | - Oscar Crespo
- Departament de Bioquímica, Instituto de Agroquímica y Tecnología de Alimentos (CSIC), Universitat de València, 46980 Valencia, Spain
| | - Carmen Gonzalez-Bosch
- Departament de Bioquímica, Instituto de Agroquímica y Tecnología de Alimentos (CSIC), Universitat de València, 46980 Valencia, Spain
| | - Gemma Camañes
- Grupo de Bioquímica y Biotecnología, Área de Fisiología Vegetal, Departamento de Biología, Bioquímica y Ciencias Naturales, ESTCE, Universitat Jaume I, 12071 Castellón, Spain
| | - Pilar García-Agustín
- Grupo de Bioquímica y Biotecnología, Área de Fisiología Vegetal, Departamento de Biología, Bioquímica y Ciencias Naturales, ESTCE, Universitat Jaume I, 12071 Castellón, Spain
| | - Begonya Vicedo
- Grupo de Bioquímica y Biotecnología, Área de Fisiología Vegetal, Departamento de Biología, Bioquímica y Ciencias Naturales, ESTCE, Universitat Jaume I, 12071 Castellón, Spain
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15
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Luo J, Jiang J, Sun S, Wang X. Brassinosteroids promote thermotolerance through releasing BIN2-mediated phosphorylation and suppression of HsfA1 transcription factors in Arabidopsis. PLANT COMMUNICATIONS 2022; 3:100419. [PMID: 35927943 PMCID: PMC9700127 DOI: 10.1016/j.xplc.2022.100419] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 07/10/2022] [Accepted: 08/01/2022] [Indexed: 06/15/2023]
Abstract
High temperature adversely affects plant growth and development. The steroid phytohormones brassinosteroids (BRs) are recognized to play important roles in plant heat stress responses and thermotolerance, but the underlying mechanisms remain obscure. Here, we demonstrate that the glycogen synthase kinase 3 (GSK3)-like kinase BRASSINOSTEROID INSENSITIVE2 (BIN2), a negative component in the BR signaling pathway, interacts with the master heat-responsive transcription factors CLASS A1 HEAT SHOCK TRANSCRIPTION FACTORS (HsfA1s). Furthermore, BIN2 phosphorylates HsfA1d on T263 and S56 to suppress its nuclear localization and inhibit its DNA-binding ability, respectively. BR signaling promotes plant thermotolerance by releasing the BIN2 suppression of HsfA1d to facilitate its nuclear localization and DNA binding. Our study provides insights into the molecular mechanisms by which BRs promote plant thermotolerance by strongly regulating HsfA1d through BIN2 and suggests potential ways to improve crop yield under extreme high temperatures.
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Affiliation(s)
- Jinyu Luo
- College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, China; State Key Laboratory of Crop Stress Adaptation and Improvement, Henan University, Kaifeng 475004, China; Sanya Institute of Henan University, Sanya 572025, China
| | - Jianjun Jiang
- State Key Laboratory of Crop Stress Adaptation and Improvement, Henan University, Kaifeng 475004, China
| | - Shiyong Sun
- State Key Laboratory of Crop Stress Adaptation and Improvement, Henan University, Kaifeng 475004, China
| | - Xuelu Wang
- State Key Laboratory of Crop Stress Adaptation and Improvement, Henan University, Kaifeng 475004, China; Sanya Institute of Henan University, Sanya 572025, China.
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16
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Lessons Learned from Two Decades of Modeling the Heat-Shock Response. Biomolecules 2022; 12:biom12111645. [DOI: 10.3390/biom12111645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/18/2022] [Accepted: 10/25/2022] [Indexed: 11/09/2022] Open
Abstract
The Heat Shock Response (HSR) is a highly conserved genetic system charged with protecting the proteome in a wide range of organisms and species. Experiments since the early 1980s have elucidated key elements in these pathways and revealed a canonical mode of regulation, which relies on a titration feedback. This system has been subject to substantial modeling work, addressing questions about resilience, design and control. The compact core regulatory circuit, as well as its apparent conservation, make this system an ideal ‘hydrogen atom’ model for the regulation of stress response. Here we take a broad view of the models of the HSR, focusing on the different questions asked and the approaches taken. After 20 years of modeling work, we ask what lessons had been learned that would have been hard to discover without mathematical models. We find that while existing models lay strong foundations, many important questions that can benefit from quantitative modeling are still awaiting investigation.
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17
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Meng X, Wang N, He H, Tan Q, Wen B, Zhang R, Fu X, Xiao W, Chen X, Li D, Li L. Prunus persica transcription factor PpNAC56 enhances heat resistance in transgenic tomatoes. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2022; 182:194-201. [PMID: 35525200 DOI: 10.1016/j.plaphy.2022.04.026] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 04/19/2022] [Accepted: 04/27/2022] [Indexed: 06/14/2023]
Abstract
Members of the NAC (NAM, ATAF1,2 and CUC2) transcription factor family are involved in numerous processes of plant growth and development and play an important role in the response to abiotic stresses such as salinity, drought and heat, but little research on this topic has been done in peach. In this study, we analyzed the expression patterns of PpNAC56 under abiotic stress and found that PpNAC56 responded to high-temperature stress. To verify the function of PpNAC56, we overexpressed this gene in tomato plants and found that, compared with WT plants, the transgenic tomato plants could accumulate more osmoregulatory substances after high-temperature treatment and thus were more heat resistance. Then, using Y2H, BIFC, and pull-down assays, we found that PpNAC56 could interact with PpMIEL1. In addition, Y1H and dual-luciferase assays verified that PpNAC56 could activate the expression of PpHSP17.4 and PpSnRK2D. The above experimental results demonstrate that PpNAC56 plays an important role in the plant response to heat stress.
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Affiliation(s)
- Xiangguang Meng
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, PR China; State Key Laboratory of Crop Biology, Shandong Agricultural University, Tai'an, 271018, PR China; Shandong Province Collaborative Innovation Center for High-quality and High-efficiency Vegetable Production, Tai'an, 271018, PR China
| | - Ning Wang
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, PR China; State Key Laboratory of Crop Biology, Shandong Agricultural University, Tai'an, 271018, PR China; Shandong Province Collaborative Innovation Center for High-quality and High-efficiency Vegetable Production, Tai'an, 271018, PR China
| | - Huajie He
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, PR China; State Key Laboratory of Crop Biology, Shandong Agricultural University, Tai'an, 271018, PR China; Shandong Province Collaborative Innovation Center for High-quality and High-efficiency Vegetable Production, Tai'an, 271018, PR China
| | - Qiuping Tan
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, PR China; State Key Laboratory of Crop Biology, Shandong Agricultural University, Tai'an, 271018, PR China; Shandong Province Collaborative Innovation Center for High-quality and High-efficiency Vegetable Production, Tai'an, 271018, PR China
| | - Binbin Wen
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, PR China; State Key Laboratory of Crop Biology, Shandong Agricultural University, Tai'an, 271018, PR China; Shandong Province Collaborative Innovation Center for High-quality and High-efficiency Vegetable Production, Tai'an, 271018, PR China
| | - Rui Zhang
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, PR China; State Key Laboratory of Crop Biology, Shandong Agricultural University, Tai'an, 271018, PR China; Shandong Province Collaborative Innovation Center for High-quality and High-efficiency Vegetable Production, Tai'an, 271018, PR China
| | - Xiling Fu
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, PR China; State Key Laboratory of Crop Biology, Shandong Agricultural University, Tai'an, 271018, PR China; Shandong Province Collaborative Innovation Center for High-quality and High-efficiency Vegetable Production, Tai'an, 271018, PR China
| | - Wei Xiao
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, PR China; State Key Laboratory of Crop Biology, Shandong Agricultural University, Tai'an, 271018, PR China; Shandong Province Collaborative Innovation Center for High-quality and High-efficiency Vegetable Production, Tai'an, 271018, PR China
| | - Xiude Chen
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, PR China; State Key Laboratory of Crop Biology, Shandong Agricultural University, Tai'an, 271018, PR China; Shandong Province Collaborative Innovation Center for High-quality and High-efficiency Vegetable Production, Tai'an, 271018, PR China
| | - Dongmei Li
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, PR China; State Key Laboratory of Crop Biology, Shandong Agricultural University, Tai'an, 271018, PR China; Shandong Province Collaborative Innovation Center for High-quality and High-efficiency Vegetable Production, Tai'an, 271018, PR China.
| | - Ling Li
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018, PR China; State Key Laboratory of Crop Biology, Shandong Agricultural University, Tai'an, 271018, PR China; Shandong Province Collaborative Innovation Center for High-quality and High-efficiency Vegetable Production, Tai'an, 271018, PR China.
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18
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Sajad S, Jiang S, Anwar M, Dai Q, Luo Y, Hassan MA, Tetteh C, Song J. Genome-Wide Study of Hsp90 Gene Family in Cabbage ( Brassica oleracea var. capitata L.) and Their Imperative Roles in Response to Cold Stress. FRONTIERS IN PLANT SCIENCE 2022; 13:908511. [PMID: 35812899 PMCID: PMC9258498 DOI: 10.3389/fpls.2022.908511] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 05/24/2022] [Indexed: 05/24/2023]
Abstract
Heat shock protein 90 (Hsp90) plays an important role in plant developmental regulation and defensive reactions. Several plant species have been examined for the Hsp90 family gene. However, the Hsp90 gene family in cabbage has not been well investigated to date. In this study, we have been discovered 12 BoHsp90 genes in cabbage (Brassica oleracea var. capitata L.). These B. oleracea Hsp90 genes were classified into five groups based on phylogenetic analysis. Among the five groups, group one contains five Hsp90 genes, including BoHsp90-1, BoHsp90-2, BoHsp90-6, BoHsp90-10, and BoHsp90-12. Group two contains three Hsp90 genes, including BoHsp90-3, BoHsp90-4, and BoHsp90. Group three only includes one Hsp90 gene, including BoHsp90-9. Group four were consisting of three Hsp90 genes including BoHsp90-5, BoHsp90-7, and BoHsp90-8, and there is no Hsp90 gene from B. oleracea in the fifth group. Synteny analysis showed that a total of 12 BoHsp90 genes have a collinearity relationship with 5 Arabidopsis genes and 10 Brassica rapa genes. The promoter evaluation revealed that the promoters of B. oleracea Hsp90 genes included environmental stress-related and hormone-responsive cis-elements. RNA-seq data analysis indicates that tissue-specific expression of BoHsp90-9 and BoHsp90-5 were highly expressed in stems, leaves, silique, and flowers. Furthermore, the expression pattern of B. oleracea BoHsp90 exhibited that BoHsp90-2, BoHsp90-3, BoHsp90-7, BoHsp90-9, BoHsp90-10, and BoHsp90-11 were induced under cold stress, which indicates these Hsp90 genes perform a vital role in cold acclimation and supports in the continual of normal growth and development process. The cabbage Hsp90 gene family was found to be differentially expressed in response to cold stress, suggesting that these genes play an important role in cabbage growth and development under cold conditions.
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Affiliation(s)
- Shoukat Sajad
- College of Horticulture, Vegetable Genetics and Breeding Laboratory, Anhui Agricultural University, Hefei, China
| | - Shuhan Jiang
- College of Horticulture, Vegetable Genetics and Breeding Laboratory, Anhui Agricultural University, Hefei, China
| | - Muhammad Anwar
- Guangdong Technology Research Center for Marine Algal Bioengineering, Guangdong Key Laboratory of Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
| | - Qian Dai
- College of Horticulture, Vegetable Genetics and Breeding Laboratory, Anhui Agricultural University, Hefei, China
| | - Yuxia Luo
- College of Horticulture, Vegetable Genetics and Breeding Laboratory, Anhui Agricultural University, Hefei, China
| | | | - Charles Tetteh
- Department of Plant Pathology, College of Plant Protection, Anhui Agricultural University, Hefei, China
| | - Jianghua Song
- College of Horticulture, Vegetable Genetics and Breeding Laboratory, Anhui Agricultural University, Hefei, China
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19
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Liu M, Wang L, Ke Y, Xian X, Wang J, Wang M, Zhang Y. Identification of HbHSP90 gene family and characterization HbHSP90.1 as a candidate gene for stress response in rubber tree. Gene 2022; 827:146475. [PMID: 35378248 DOI: 10.1016/j.gene.2022.146475] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 02/16/2022] [Accepted: 03/31/2022] [Indexed: 11/29/2022]
Abstract
Heat shock protein 90 (HSP90), an essential molecular chaperone, is triggered in response to stress situations in plants. However, the roles of HSP90 gene family members in rubber tree have not been totally specified. In this study, 7 HbHSP90 genes were identified from rubber tree genome. Classification of HbHSP90 family genes into three groups, namely A, B, and C was based on phylogenetic analysis. The structural and motif analyses showed similar structural features in the same group of HbHSP90 members, but differences between groups. Analysis of cis-regulatory element sequences of HbHSP90 genes indicates that the HbHSP90 gene promoter is rich in drought, temperature, and hormone elements. qRT-PCR analysis showed that the 7 HbHSP90 genes responded in different degrees to temperature, drought and powdery mildew infection, and in particularly, HbHSP90.1 was differentially expressed under both abiotic and biotic stresses. Meanwhile, HbHSP90.1 gene was significantly expressed under the treatment of different phytohormone and H2O2 (Hydrogen Peroxide) treatments, which means that HbHSP90.1 gene performs an essential part in the growth and development of rubber trees. Furthermore, the protein interaction results showed that HbHSP90.1 interacted with HbSGT1b. Subcellular localization showed that both HbHSP90.1 and HbSGT1b located in the nucleus. Taken together, we speculate that HbHSP90.1 interacts with HbSGT1b in the nucleus to respond to rubber tree stress processes. The results of this study provide a solid foundation for further studies on the mechanism of HbHSP90 family genes in the stress resistance response of rubber tree.
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Affiliation(s)
- Mingyang Liu
- Collaborative Innovation Center of Natural Rubber, Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests (Hainan University), Ministry of Education, School of Plant Protection, Hainan University Haikou, 570228, PR China; Key Laboratory of Biology and Genetic Resources of Rubber Tree, Ministry of Agriculture, Ministry of Agriculture and Rural Affairs, PR China; Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, Hainan 571101, PR China
| | - Lifeng Wang
- Key Laboratory of Biology and Genetic Resources of Rubber Tree, Ministry of Agriculture, Ministry of Agriculture and Rural Affairs, PR China; Rubber Research Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, Hainan 571101, PR China
| | - Yuhang Ke
- Collaborative Innovation Center of Natural Rubber, Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests (Hainan University), Ministry of Education, School of Plant Protection, Hainan University Haikou, 570228, PR China
| | - Xuemei Xian
- Collaborative Innovation Center of Natural Rubber, Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests (Hainan University), Ministry of Education, School of Plant Protection, Hainan University Haikou, 570228, PR China
| | - Jiali Wang
- Collaborative Innovation Center of Natural Rubber, Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests (Hainan University), Ministry of Education, School of Plant Protection, Hainan University Haikou, 570228, PR China
| | - Meng Wang
- Collaborative Innovation Center of Natural Rubber, Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests (Hainan University), Ministry of Education, School of Plant Protection, Hainan University Haikou, 570228, PR China.
| | - Yu Zhang
- Collaborative Innovation Center of Natural Rubber, Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests (Hainan University), Ministry of Education, School of Plant Protection, Hainan University Haikou, 570228, PR China.
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20
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A proteostasis network safeguards the chloroplast proteome. Essays Biochem 2022; 66:219-228. [PMID: 35670042 PMCID: PMC9400067 DOI: 10.1042/ebc20210058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 05/17/2022] [Accepted: 05/25/2022] [Indexed: 12/12/2022]
Abstract
Several protein homeostasis (proteostasis) pathways safeguard the integrity of thousands of proteins that localize in plant chloroplasts, the indispensable organelles that perform photosynthesis, produce metabolites, and sense environmental stimuli. In this review, we discuss the latest efforts directed to define the molecular process by which proteins are imported and sorted into the chloroplast. Moreover, we describe the recently elucidated protein folding and degradation pathways that modulate the levels and activities of chloroplast proteins. We also discuss the links between the accumulation of misfolded proteins and the activation of signalling pathways that cope with folding stress within the organelle. Finally, we propose new research directions that would help to elucidate novel molecular mechanisms to maintain chloroplast proteostasis.
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21
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Guihur A, Rebeaud ME, Goloubinoff P. How do plants feel the heat and survive? Trends Biochem Sci 2022; 47:824-838. [PMID: 35660289 DOI: 10.1016/j.tibs.2022.05.004] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 04/27/2022] [Accepted: 05/05/2022] [Indexed: 01/03/2023]
Abstract
Climate change is increasingly affecting the quality of life of organisms on Earth. More frequent, extreme, and lengthy heat waves are contributing to the sixth mass extinction of complex life forms in the Earth's history. From an anthropocentric point of view, global warming is a major threat to human health because it also compromises crop yields and food security. Thus, achieving agricultural productivity under climate change calls for closer examination of the molecular mechanisms of heat-stress resistance in model and crop plants. This requires a better understanding of the mechanisms by which plant cells can sense rising temperatures and establish effective molecular defenses, such as molecular chaperones and thermoprotective metabolites, as reviewed here, to survive extreme diurnal variations in temperature and seasonal heat waves.
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Affiliation(s)
- Anthony Guihur
- Department of Plant Molecular Biology, Faculty of Biology and Medicine, University of Lausanne, CH-1015 Lausanne, Switzerland.
| | - Mathieu E Rebeaud
- Department of Plant Molecular Biology, Faculty of Biology and Medicine, University of Lausanne, CH-1015 Lausanne, Switzerland
| | - Pierre Goloubinoff
- Department of Plant Molecular Biology, Faculty of Biology and Medicine, University of Lausanne, CH-1015 Lausanne, Switzerland; School of Plant Sciences and Food Security, Tel-Aviv University, Tel Aviv 69978, Israel.
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22
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PIF4 Promotes Expression of HSFA2 to Enhance Basal Thermotolerance in Arabidopsis. Int J Mol Sci 2022; 23:ijms23116017. [PMID: 35682701 PMCID: PMC9181434 DOI: 10.3390/ijms23116017] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 05/25/2022] [Accepted: 05/26/2022] [Indexed: 01/14/2023] Open
Abstract
Heat stress (HS) seriously restricts the growth and development of plants. When plants are exposed to extreme high temperature, the heat stress response (HSR) is activated to enable plants to survive. Sessile plants have evolved multiple strategies to sense and cope with HS. Previous studies have established that PHYTOCHROME INTERACTING FACTOR 4 (PIF4) acts as a key component in thermomorphogenesis; however, whether PIF4 regulates plant thermotolerance and the molecular mechanism linking this light transcriptional factor and HSR remain unclear. Here, we show that the overexpression of PIF4 indeed provides plants with a stronger basal thermotolerance and greatly improves the survival ability of Arabidopsis under severe HS. Via phylogenetic analysis, we identified two sets (six) of PIF4 homologs in wheat, and the expression patterns of the PIF4 homologs were conservatively induced by heat treatment in both wheat and Arabidopsis. Furthermore, the PIF4 protein was accumulated under heat stress and had an identical expression level. Additionally, we found that the core regulator of HSR, HEAT SHOCK TRANSCRIPTION FACTOR A2 (HSFA2), was highly responsive to light and heat. Followed by promoter analysis and ChIP-qPCR, we further found that PIF4 can bind directly to the G-box motifs of the HSFA2 promoter. Via effector–reporter assays, we found that PIF4 binding could activate HSFA2 gene expression, thereby resulting in the activation of other HS-inducible genes, such as heat shock proteins. Finally, the overexpression of PIF4 led to a stronger basal thermotolerance under non-heat-treatment conditions, thereby resulting in an enhanced tolerance to severe heat stress. Taken together, our findings propose that PIF4 is linked to heat stress signaling by directly binding to the HSFA2 promoter and triggering the HSR at normal temperature conditions to promote the basal thermotolerance. These functions of PIF4 provide a candidate direction for breeding heat-resistant crop cultivars.
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Zhou H, Wang Y, Zhang Y, Xiao Y, Liu X, Deng H, Lu X, Tang W, Zhang G. Comparative Analysis of Heat-Tolerant and Heat-Susceptible Rice Highlights the Role of OsNCED1 Gene in Heat Stress Tolerance. PLANTS 2022; 11:plants11081062. [PMID: 35448790 PMCID: PMC9026844 DOI: 10.3390/plants11081062] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/27/2022] [Accepted: 03/28/2022] [Indexed: 11/16/2022]
Abstract
To elucidate the mechanism underlying the response of rice to heat stress (HS), the transcriptome profile of panicles was comparatively analyzed between the heat-tolerant line 252 (HTL252) and heat-susceptible line 082 (HSL082), two rice recombinant inbred lines (RILs). Our differentially expressed gene (DEG) analysis revealed that the DEGs are mainly associated with protein binding, catalysis, stress response, and cellular process. The MapMan analysis demonstrated that the heat-responsive (HR) genes for heat shock proteins, transcription factors, development, and phytohormones are specifically induced in HTL252 under HS. Based on the DEG analysis, the key gene OsNCED1 (Os02g0704000), which was induced under HS, was selected for further functional validation. Moreover, 9-cis-epoxycarotenoid dioxygenase (NCED) is a key rate-limiting enzyme in the ABA biosynthetic pathway. Overexpression of OsNCED1 improved the HS tolerance of rice at the heading and flowering stage. OsNCED1-overexpression plants exhibited significant increases in pollen viability, seed setting rate, superoxide dismutase (SOD) and peroxidase (POD) activities, while significantly lower electrolyte leakage and malondialdehyde (MDA) content relative to the wild type (WT). These results suggested that OsNCED1 overexpression can improve the heat tolerance of rice by enhancing the antioxidant capacity. Overall, this study lays a foundation for revealing the molecular regulatory mechanism underlying the response of rice to prolonged HS.
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Affiliation(s)
- Huang Zhou
- College of Agronomy, Hunan Agricultural University, Changsha 410128, China; (H.Z.); (Y.W.); (Y.Z.); (Y.X.); (X.L.); (H.D.); (X.L.)
- Hunan Provincial Key Laboratory of Rice and Rapeseed Breeding for Disease Resistance, Hunan Agricultural University, Changsha 410128, China
| | - Yingfeng Wang
- College of Agronomy, Hunan Agricultural University, Changsha 410128, China; (H.Z.); (Y.W.); (Y.Z.); (Y.X.); (X.L.); (H.D.); (X.L.)
- Hunan Provincial Key Laboratory of Rice and Rapeseed Breeding for Disease Resistance, Hunan Agricultural University, Changsha 410128, China
| | - Yijin Zhang
- College of Agronomy, Hunan Agricultural University, Changsha 410128, China; (H.Z.); (Y.W.); (Y.Z.); (Y.X.); (X.L.); (H.D.); (X.L.)
- Hunan Provincial Key Laboratory of Rice and Rapeseed Breeding for Disease Resistance, Hunan Agricultural University, Changsha 410128, China
| | - Yunhua Xiao
- College of Agronomy, Hunan Agricultural University, Changsha 410128, China; (H.Z.); (Y.W.); (Y.Z.); (Y.X.); (X.L.); (H.D.); (X.L.)
- Hunan Provincial Key Laboratory of Rice and Rapeseed Breeding for Disease Resistance, Hunan Agricultural University, Changsha 410128, China
| | - Xiong Liu
- College of Agronomy, Hunan Agricultural University, Changsha 410128, China; (H.Z.); (Y.W.); (Y.Z.); (Y.X.); (X.L.); (H.D.); (X.L.)
- Hunan Provincial Key Laboratory of Rice and Rapeseed Breeding for Disease Resistance, Hunan Agricultural University, Changsha 410128, China
| | - Huabing Deng
- College of Agronomy, Hunan Agricultural University, Changsha 410128, China; (H.Z.); (Y.W.); (Y.Z.); (Y.X.); (X.L.); (H.D.); (X.L.)
- Hunan Provincial Key Laboratory of Rice and Rapeseed Breeding for Disease Resistance, Hunan Agricultural University, Changsha 410128, China
| | - Xuedan Lu
- College of Agronomy, Hunan Agricultural University, Changsha 410128, China; (H.Z.); (Y.W.); (Y.Z.); (Y.X.); (X.L.); (H.D.); (X.L.)
- Hunan Provincial Key Laboratory of Rice and Rapeseed Breeding for Disease Resistance, Hunan Agricultural University, Changsha 410128, China
| | - Wenbang Tang
- College of Agronomy, Hunan Agricultural University, Changsha 410128, China; (H.Z.); (Y.W.); (Y.Z.); (Y.X.); (X.L.); (H.D.); (X.L.)
- State Key Laboratory of Hybrid Rice, Hunan Hybrid Rice Research Centre, Changsha 410125, China
- Correspondence: (W.T.); (G.Z.)
| | - Guilian Zhang
- College of Agronomy, Hunan Agricultural University, Changsha 410128, China; (H.Z.); (Y.W.); (Y.Z.); (Y.X.); (X.L.); (H.D.); (X.L.)
- Hunan Provincial Key Laboratory of Rice and Rapeseed Breeding for Disease Resistance, Hunan Agricultural University, Changsha 410128, China
- Correspondence: (W.T.); (G.Z.)
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24
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Kang Y, Lee K, Hoshikawa K, Kang M, Jang S. Molecular Bases of Heat Stress Responses in Vegetable Crops With Focusing on Heat Shock Factors and Heat Shock Proteins. FRONTIERS IN PLANT SCIENCE 2022; 13:837152. [PMID: 35481144 PMCID: PMC9036485 DOI: 10.3389/fpls.2022.837152] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 03/09/2022] [Indexed: 05/09/2023]
Abstract
The effects of the climate change including an increase in the average global temperatures, and abnormal weather events such as frequent and severe heatwaves are emerging as a worldwide ecological concern due to their impacts on plant vegetation and crop productivity. In this review, the molecular processes of plants in response to heat stress-from the sensing of heat stress, the subsequent molecular cascades associated with the activation of heat shock factors and their primary targets (heat shock proteins), to the cellular responses-have been summarized with an emphasis on the classification and functions of heat shock proteins. Vegetables contain many essential vitamins, minerals, antioxidants, and fibers that provide many critical health benefits to humans. The adverse effects of heat stress on vegetable growth can be alleviated by developing vegetable crops with enhanced thermotolerance with the aid of various genetic tools. To achieve this goal, a solid understanding of the molecular and/or cellular mechanisms underlying various responses of vegetables to high temperature is imperative. Therefore, efforts to identify heat stress-responsive genes including those that code for heat shock factors and heat shock proteins, their functional roles in vegetable crops, and also their application to developing vegetables tolerant to heat stress are discussed.
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Affiliation(s)
- Yeeun Kang
- World Vegetable Center Korea Office, Wanju-gun, South Korea
| | - Kwanuk Lee
- National Institute of Horticultural and Herbal Science (NIHHS), Rural Development Administration (RDA), Wanju-gun, South Korea
| | - Ken Hoshikawa
- Biological Resources and Post-harvest Division, Japan International Research Center for Agricultural Sciences (JIRCAS), Tsukuba, Japan
| | | | - Seonghoe Jang
- World Vegetable Center Korea Office, Wanju-gun, South Korea
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25
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Burks DJ, Sengupta S, De R, Mittler R, Azad RK. The Arabidopsis gene co-expression network. PLANT DIRECT 2022; 6:e396. [PMID: 35492683 PMCID: PMC9039629 DOI: 10.1002/pld3.396] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 02/05/2022] [Accepted: 02/08/2022] [Indexed: 06/14/2023]
Abstract
Identifying genes that interact to confer a biological function to an organism is one of the main goals of functional genomics. High-throughput technologies for assessment and quantification of genome-wide gene expression patterns have enabled systems-level analyses to infer pathways or networks of genes involved in different functions under many different conditions. Here, we leveraged the publicly available, information-rich RNA-Seq datasets of the model plant Arabidopsis thaliana to construct a gene co-expression network, which was partitioned into clusters or modules that harbor genes correlated by expression. Gene ontology and pathway enrichment analyses were performed to assess functional terms and pathways that were enriched within the different gene modules. By interrogating the co-expression network for genes in different modules that associate with a gene of interest, diverse functional roles of the gene can be deciphered. By mapping genes differentially expressing under a certain condition in Arabidopsis onto the co-expression network, we demonstrate the ability of the network to uncover novel genes that are likely transcriptionally active but prone to be missed by standard statistical approaches due to their falling outside of the confidence zone of detection. To our knowledge, this is the first A. thaliana co-expression network constructed using the entire mRNA-Seq datasets (>20,000) available at the NCBI SRA database. The developed network can serve as a useful resource for the Arabidopsis research community to interrogate specific genes of interest within the network, retrieve the respective interactomes, decipher gene modules that are transcriptionally altered under certain condition or stage, and gain understanding of gene functions.
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Affiliation(s)
- David J. Burks
- Department of Biological Sciences and BioDiscovery Institute, College of ScienceUniversity of North TexasDentonTexasUSA
| | - Soham Sengupta
- Department of Biological Sciences and BioDiscovery Institute, College of ScienceUniversity of North TexasDentonTexasUSA
| | - Ronika De
- Department of Biological Sciences and BioDiscovery Institute, College of ScienceUniversity of North TexasDentonTexasUSA
| | - Ron Mittler
- The Division of Plant Sciences and Interdisciplinary Plant Group, College of Agriculture, Food and Natural ResourcesChristopher S. Bond Life Sciences Center University of MissouriColumbiaMissouriUSA
- Department of SurgeryUniversity of Missouri School of MedicineColumbiaMissouriUSA
| | - Rajeev K. Azad
- Department of Biological Sciences and BioDiscovery Institute, College of ScienceUniversity of North TexasDentonTexasUSA
- Department of MathematicsUniversity of North TexasDentonTexasUSA
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26
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Saini N, Nikalje GC, Zargar SM, Suprasanna P. Molecular insights into sensing, regulation and improving of heat tolerance in plants. PLANT CELL REPORTS 2022; 41:799-813. [PMID: 34676458 DOI: 10.1007/s00299-021-02793-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 09/24/2021] [Indexed: 06/13/2023]
Abstract
Climate-change-mediated increase in temperature extremes has become a threat to plant productivity. Heat stress-induced changes in growth pattern, sensitivity to pests, plant phonologies, flowering, shrinkage of maturity period, grain filling, and increased senescence result in significant yield losses. Heat stress triggers multitude of cellular, physiological and molecular responses in plants beginning from the early sensing followed by signal transduction, osmolyte synthesis, antioxidant defense, and heat stress-associated gene expression. Several genes and metabolites involved in heat perception and in the adaptation response have been isolated and characterized in plants. Heat stress responses are also regulated by the heat stress transcription factors (HSFs), miRNAs and transcriptional factors which together form another layer of regulatory circuit. With the availability of functionally validated candidate genes, transgenic approaches have been applied for developing heat-tolerant transgenic maize, tobacco and sweet potato. In this review, we present an account of molecular mechanisms of heat tolerance and discuss the current developments in genetic manipulation for heat tolerant crops for future sustainable agriculture.
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Affiliation(s)
- Nupur Saini
- Department of Plant Molecular Biology and Biotechnology, Indira Gandhi Krishi Vidyalaya, Raipur, 492012, India
| | - Ganesh Chandrakant Nikalje
- PG Department of Botany, Seva Sadan's R. K. Talreja College of Arts, Science and Commerce, Ulhasnagar, 421003, India.
| | - Sajad Majeed Zargar
- Proteomics Laboratory, Division of Plant Biotechnology, Sher-e-Kashmir University of Agricultural Sciences & Technology of Kashmir, Shalimar, Srinagar, 190019, India
| | - Penna Suprasanna
- Ex-Scientist, Bhabha Atomic Research Centre, Homi Bhabha National Institute, Mumbai, 400085, India.
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27
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Arenas-M A, Castillo FM, Godoy D, Canales J, Calderini DF. Transcriptomic and Physiological Response of Durum Wheat Grain to Short-Term Heat Stress during Early Grain Filling. PLANTS (BASEL, SWITZERLAND) 2021; 11:plants11010059. [PMID: 35009063 PMCID: PMC8747107 DOI: 10.3390/plants11010059] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 12/15/2021] [Accepted: 12/21/2021] [Indexed: 05/14/2023]
Abstract
In a changing climate, extreme weather events such as heatwaves will be more frequent and could affect grain weight and the quality of crops such as wheat, one of the most significant crops in terms of global food security. In this work, we characterized the response of Triticum turgidum L. spp. durum wheat to short-term heat stress (HS) treatment at transcriptomic and physiological levels during early grain filling in glasshouse experiments. We found a significant reduction in grain weight (23.9%) and grain dimensions from HS treatment. Grain quality was also affected, showing a decrease in starch content (20.8%), in addition to increments in grain protein levels (14.6%), with respect to the control condition. Moreover, RNA-seq analysis of durum wheat grains allowed us to identify 1590 differentially expressed genes related to photosynthesis, response to heat, and carbohydrate metabolic process. A gene regulatory network analysis of HS-responsive genes uncovered novel transcription factors (TFs) controlling the expression of genes involved in abiotic stress response and grain quality, such as a member of the DOF family predicted to regulate glycogen and starch biosynthetic processes in response to HS in grains. In summary, our results provide new insights into the extensive transcriptome reprogramming that occurs during short-term HS in durum wheat grains.
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Affiliation(s)
- Anita Arenas-M
- Institute of Biochemistry and Microbiology, Faculty of Sciences, Universidad Austral de Chile, Valdivia 5110566, Chile; (A.A.-M.); (F.M.C.)
- ANID—Millennium Science Initiative Program-Millennium Institute for Integrative Biology (iBio), Santiago 8331150, Chile
| | - Francisca M. Castillo
- Institute of Biochemistry and Microbiology, Faculty of Sciences, Universidad Austral de Chile, Valdivia 5110566, Chile; (A.A.-M.); (F.M.C.)
- ANID—Millennium Science Initiative Program-Millennium Institute for Integrative Biology (iBio), Santiago 8331150, Chile
| | - Diego Godoy
- Plant Production and Plant Protection Institute, Faculty of Agricultural Sciences, Universidad Austral de Chile, Valdivia 5110566, Chile;
| | - Javier Canales
- Institute of Biochemistry and Microbiology, Faculty of Sciences, Universidad Austral de Chile, Valdivia 5110566, Chile; (A.A.-M.); (F.M.C.)
- ANID—Millennium Science Initiative Program-Millennium Institute for Integrative Biology (iBio), Santiago 8331150, Chile
- Correspondence: (J.C.); (D.F.C.)
| | - Daniel F. Calderini
- Plant Production and Plant Protection Institute, Faculty of Agricultural Sciences, Universidad Austral de Chile, Valdivia 5110566, Chile;
- Correspondence: (J.C.); (D.F.C.)
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28
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Haider S, Iqbal J, Naseer S, Yaseen T, Shaukat M, Bibi H, Ahmad Y, Daud H, Abbasi NL, Mahmood T. Molecular mechanisms of plant tolerance to heat stress: current landscape and future perspectives. PLANT CELL REPORTS 2021; 40:2247-2271. [PMID: 33890138 DOI: 10.1007/s00299-021-02696-3] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Accepted: 04/08/2021] [Indexed: 06/12/2023]
Abstract
We summarize recent studies focusing on the molecular basis of plant heat stress response (HSR), how HSR leads to thermotolerance, and promote plant adaptation to recurring heat stress events. The global crop productivity is facing unprecedented threats due to climate change as high temperature negatively influences plant growth and metabolism. Owing to their sessile nature, plants have developed complex signaling networks which enable them to perceive changes in ambient temperature. This in turn activates a suite of molecular changes that promote plant survival and reproduction under adverse conditions. Deciphering these mechanisms is an important task, as this could facilitate development of molecular markers, which could be ultimately used to breed thermotolerant crop cultivars. In current article, we summarize mechanisms involve in plant heat stress acclimation with special emphasis on advances related to heat stress perception, heat-induced signaling, heat stress-responsive gene expression and thermomemory that promote plant adaptation to short- and long-term-recurring heat-stress events. In the end, we will discuss impact of emerging technologies that could facilitate the development of heat stress-tolerant crop cultivars.
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Affiliation(s)
- Saqlain Haider
- Plant Biochemistry and Molecular Biology Laboratory, Department of Plant Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Javed Iqbal
- Plant Biochemistry and Molecular Biology Laboratory, Department of Plant Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan.
- Center for Plant Sciences and Biodiversity, University of Swat, Kanju, 19201, Pakistan.
| | - Sana Naseer
- Plant Biochemistry and Molecular Biology Laboratory, Department of Plant Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Tabassum Yaseen
- Department of Botany, Bacha Khan University, Charsadda, Khyber Pakhtunkhwa, Pakistan
| | - Muzaffar Shaukat
- Plant Biochemistry and Molecular Biology Laboratory, Department of Plant Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Haleema Bibi
- Plant Biochemistry and Molecular Biology Laboratory, Department of Plant Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Yumna Ahmad
- Plant Biochemistry and Molecular Biology Laboratory, Department of Plant Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Hina Daud
- Plant Biochemistry and Molecular Biology Laboratory, Department of Plant Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Nayyab Laiba Abbasi
- Plant Biochemistry and Molecular Biology Laboratory, Department of Plant Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Tariq Mahmood
- Plant Biochemistry and Molecular Biology Laboratory, Department of Plant Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan.
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29
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Genome-Wide Identification of Hsp90 Gene Family in Perennial Ryegrass and Expression Analysis under Various Abiotic Stresses. PLANTS 2021; 10:plants10112509. [PMID: 34834872 PMCID: PMC8622807 DOI: 10.3390/plants10112509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 11/15/2021] [Accepted: 11/16/2021] [Indexed: 11/29/2022]
Abstract
The heat shock protein 90 (Hsp90) is a protein produced in plants in response to stress. This study identified and analyzed Hsp90 gene family members in the perennial ryegrass genome. From the results, eight Hsp90 proteins were obtained and their MW, pI and number of amino acid bases varied. The amino acid bases ranged from 526 to 862. The CDS also ranged from 20 (LpHsp0-4) to 1 (LpHsp90-5). The least number of CDS regions was 1 (LpHsp90-5) with 528 kb amino acids, while the highest was 20 (LpHsp90-4) with 862 kb amino acids, which showed diversity among the protein sequences. The phylogenetic tree revealed that Hsp90 genes in Lolium perenne, Arabidopsis thaliana, Oryza sativa and Brachypodium distachyon could be divided into two groups with five paralogous gene pairs and three orthologous gene pairs. The expression analysis after perennial ryegrass was subjected to heat, salt, chromium (Cr), cadmium (Cd), polyethylene glycol (PEG) and abscisic acid (ABA) revealed that LpHsp90 genes were generally highly expressed under heat stress, but only two LpHsp90 proteins were expressed under Cr stresses. Additionally, the expression of the LpHsp90 proteins differed at each time point in all treatments. This study provides the basis for an understanding of the functions of LpHsp90 proteins in abiotic stress studies and in plant breeding.
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30
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Alafari HA, Abd-Elgawad ME. Differential expression gene/protein contribute to heat stress-responsive in Tetraena propinqua in Saudi Arabia. Saudi J Biol Sci 2021; 28:5017-5027. [PMID: 34466077 PMCID: PMC8380999 DOI: 10.1016/j.sjbs.2021.05.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 05/03/2021] [Accepted: 05/04/2021] [Indexed: 12/27/2022] Open
Abstract
Within their natural habitat, plants are subjected to abiotic stresses that include heat stress. In the current study, the effect of 4 h, 24 h, and 48 h of heat stress on Tetraena propinqua ssp. migahidii seedling's protein profile and proteomic analyses were investigated. Total soluble protein SDS-PAGE (Sodium dodecyl sulfate-polyacrylamide gel electrophoresis) profile showed 18-protein bands, the newly synthesized protein band (with molecular weights 86.5, 30.2 and 31.4 KD) at 24 h of heat stress and 48 of normal conditions. Proteomic analysis showed that 81 and 930 targets are involved in gene and protein expression respectively. At 4 h, 57 genes and 110 proteins in C4 reached 56 genes and 173 proteins in T4. At 24 h, 63 genes and 180 proteins in C24 decreased to 54 genes and 151 protein in T24. After 48 h, 56 genes and 136 proteins in C48 increased to 64 genes and 180 proteins in T48. The genes and proteins involved in transcription, translation, photosynthesis, transport, and other unknown metabolic processes, were differentially expressed under treatments of heat stress. These findings provide insights into the molecular mechanisms related to heat stress, in addition to its influence on the physiological traits of T. propinqua seedlings. Heat stress-mediated differential regulation genes indicate a role in the development and stress response of T. propinqua. The candidate dual-specificity genes and proteins identified in this study paves way for more molecular analysis of up-and-down-regulation.
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Affiliation(s)
- Hayat Ali Alafari
- Biology Department, Faculty of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Magda Elsayed Abd-Elgawad
- Biology Department, Faculty of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
- Botany Department, Faculty of Science, Fayoum University, Fayoum, Egypt
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31
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Bourgine B, Guihur A. Heat Shock Signaling in Land Plants: From Plasma Membrane Sensing to the Transcription of Small Heat Shock Proteins. FRONTIERS IN PLANT SCIENCE 2021; 12:710801. [PMID: 34434209 PMCID: PMC8381196 DOI: 10.3389/fpls.2021.710801] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 07/06/2021] [Indexed: 05/08/2023]
Abstract
Heat stress events are major factors limiting crop productivity. During summer days, land plants must anticipate in a timely manner upcoming mild and severe temperature. They respond by accumulating protective heat-shock proteins (HSPs), conferring acquired thermotolerance. All organisms synthetize HSPs; many of which are members of the conserved chaperones families. This review describes recent advances in plant temperature sensing, signaling, and response. We highlight the pathway from heat perception by the plasma membrane through calcium channels, such as cyclic nucleotide-gated channels, to the activation of the heat-shock transcription factors (HSFs). An unclear cellular signal activates HSFs, which act as essential regulators. In particular, the HSFA subfamily can bind heat shock elements in HSP promoters and could mediate the dissociation of bound histones, leading to HSPs transcription. Although plants can modulate their transcriptome, proteome, and metabolome to protect the cellular machinery, HSP chaperones prevent, use, and revert the formation of misfolded proteins, thereby avoiding heat-induced cell death. Remarkably, the HSP20 family is mostly tightly repressed at low temperature, suggesting that a costly mechanism can become detrimental under unnecessary conditions. Here, the role of HSP20s in response to HS and their possible deleterious expression at non-HS temperatures is discussed.
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Affiliation(s)
| | - Anthony Guihur
- Department of Plant Molecular Biology, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
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32
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Marchetti F, Cainzos M, Cascallares M, Distéfano AM, Setzes N, López GA, Zabaleta E, Pagnussat GC. Heat stress in Marchantia polymorpha: Sensing and mechanisms underlying a dynamic response. PLANT, CELL & ENVIRONMENT 2021; 44:2134-2149. [PMID: 33058168 DOI: 10.1111/pce.13914] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 10/04/2020] [Indexed: 06/11/2023]
Abstract
Sensing and response to high temperatures are crucial to prevent heat-related damage and to preserve cellular and metabolic functions. The response to heat stress is a complex and coordinated process that involves several subcellular compartments and multi-level regulatory networks that are synchronized to avoid cell damage while maintaining cellular homeostasis. In this review, we provide an insight into the most recent advances in elucidating the molecular mechanisms involved in heat stress sensing and response in Marchantia polymorpha. Based on the signaling pathways and genes that were identified in Marchantia, our analyses indicate that although with specific particularities, the core components of the heat stress response seem conserved in bryophytes and angiosperms. Liverworts not only constitute a powerful tool to study heat stress response and signaling pathways during plant evolution, but also provide key and simple mechanisms to cope with extreme temperatures. Given the increasing prevalence of high temperatures around the world as a result of global warming, this knowledge provides a new set of molecular tools with potential agronomical applications.
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Affiliation(s)
- Fernanda Marchetti
- Instituto de Investigaciones Biológicas, Universidad Nacional de Mar del Plata, CONICET, Mar del Plata, Argentina
| | - Maximiliano Cainzos
- Instituto de Investigaciones Biológicas, Universidad Nacional de Mar del Plata, CONICET, Mar del Plata, Argentina
| | - Milagros Cascallares
- Instituto de Investigaciones Biológicas, Universidad Nacional de Mar del Plata, CONICET, Mar del Plata, Argentina
| | - Ayelén Mariana Distéfano
- Instituto de Investigaciones Biológicas, Universidad Nacional de Mar del Plata, CONICET, Mar del Plata, Argentina
| | - Nicolás Setzes
- Instituto de Investigaciones Biológicas, Universidad Nacional de Mar del Plata, CONICET, Mar del Plata, Argentina
| | - Gabriel Alejandro López
- Instituto de Investigaciones Biológicas, Universidad Nacional de Mar del Plata, CONICET, Mar del Plata, Argentina
| | - Eduardo Zabaleta
- Instituto de Investigaciones Biológicas, Universidad Nacional de Mar del Plata, CONICET, Mar del Plata, Argentina
| | - Gabriela Carolina Pagnussat
- Instituto de Investigaciones Biológicas, Universidad Nacional de Mar del Plata, CONICET, Mar del Plata, Argentina
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Gan L, Wei Z, Yang Z, Li F, Wang Z. Updated Mechanisms of GCN5-The Monkey King of the Plant Kingdom in Plant Development and Resistance to Abiotic Stresses. Cells 2021; 10:979. [PMID: 33922251 PMCID: PMC8146787 DOI: 10.3390/cells10050979] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 04/12/2021] [Accepted: 04/19/2021] [Indexed: 12/12/2022] Open
Abstract
Histone modifications are the main epigenetic mechanisms that regulate gene expression, chromatin structure, and plant development, among which histone acetylation is one of the most important and studied epigenetic modifications. Histone acetylation is believed to enhance DNA access and promote transcription. GENERAL CONTROL NON-REPRESSIBLE 5 (GCN5), a well-known enzymatic protein responsible for the lysine acetylation of histone H3 and H4, is a universal and crucial histone acetyltransferase involved in gene transcription and plant development. Many studies have found that GCN5 plays important roles in the different development stages of Arabidopsis. In terms of exogenous stress conditions, GCN5 is also involved in the responses to heat stress, cold stress, and nutrient element deficiency by regulating the related gene expression to maintain the homeostasis of some key metabolites (e.g., cellulose) or ions (e.g., phosphate, iron); in addition, GCN5 is involved in the phytohormone pathways such as ethylene, auxin, and salicylic acid to play various roles during the plant lifecycle. Some of the pathways involved by GCN5 also interwind to regulate specific physiological processes or developmental stages. Here, interactions between various developmental events and stress-resistant pathways mediated by GCN5 are comprehensively addressed and the underlying mechanisms are discussed in the plant. Studies with some interacting factors such as ADA2b provided valuable information for the complicated histone acetylation mechanisms. We also suggest the future focuses for GCN5 functions and mechanisms such as functions in seed development/germination stages, exploration of novel interaction factors, identification of more protein substrates, and application of advanced biotechnology-CRISPR in crop genetic improvement, which would be helpful for the complete illumination of roles and mechanisms of GCN5.
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Affiliation(s)
- Lei Gan
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University, Zhengzhou 450001, China; (L.G.); (Z.W.); (Z.Y.); (F.L.)
| | - Zhenzhen Wei
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University, Zhengzhou 450001, China; (L.G.); (Z.W.); (Z.Y.); (F.L.)
| | - Zuoren Yang
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University, Zhengzhou 450001, China; (L.G.); (Z.W.); (Z.Y.); (F.L.)
- State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Fuguang Li
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University, Zhengzhou 450001, China; (L.G.); (Z.W.); (Z.Y.); (F.L.)
- State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Zhi Wang
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University, Zhengzhou 450001, China; (L.G.); (Z.W.); (Z.Y.); (F.L.)
- State Key Laboratory of Cotton Biology, Key Laboratory of Biological and Genetic Breeding of Cotton, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
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Wang R, Mao C, Jiang C, Zhang L, Peng S, Zhang Y, Feng S, Ming F. One Heat Shock Transcription Factor Confers High Thermal Tolerance in Clematis Plants. Int J Mol Sci 2021; 22:2900. [PMID: 33809330 PMCID: PMC7998627 DOI: 10.3390/ijms22062900] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 03/08/2021] [Indexed: 11/16/2022] Open
Abstract
Clematis plants play an important role in botanical gardens. Heat stress can destroy the activity, state and conformation of plant proteins, and its regulatory pathway has been well characterized in Arabidopsis and some crop plants. However, the heat resistance response mechanism in horticultural plants including Clematis has rarely been reported. Here, we identified a heat-tolerant clematis species, Clematis vitalba. The relative water loss and electrolytic leakage were significantly lower under heat treatment in Clematis vitalba compared to Stolwijk Gold. Differential expression heat-tolerant genes (HTGs) were identified based on nonparametric transcriptome analysis. For validation, one heat shock transcription factor, CvHSF30-2, extremely induced by heat stimuli in Clematis vitalba, was identified to confer tolerance to heat stress in Escherichia coli and Saccharomyces cerevisiae. Furthermore, silencing of HSF30-2 by virus-induced gene silencing (VIGS) led to heat sensitivity in tobacco and Clematis, suggesting that the candidate heat-resistant genes identified in this RNA-seq analysis are credible and offer significant utility. We also found that CvHSF30-2 improved heat tolerance of Clematis vitalba by elevating heat shock protein (HSP) expression, which was negatively regulated by CvHSFB2a. Taken together, this study provides insights into the mechanism of Clematis heat tolerance and the findings can be potentially applied in horticultural plants to improve economic efficiency through genetic approaches.
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Affiliation(s)
- Rui Wang
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China; (R.W.); (C.M.); (L.Z.); (S.P.); (Y.Z.)
- The Biotechnology Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201106, China
| | - Chanjuan Mao
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China; (R.W.); (C.M.); (L.Z.); (S.P.); (Y.Z.)
- The Biotechnology Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201106, China
| | - Changhua Jiang
- Shanghai Botanical Garden, Shanghai Urban Plant Resources Development and Application Engineering Technology Research Center, Shanghai 200231, China;
| | - Long Zhang
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China; (R.W.); (C.M.); (L.Z.); (S.P.); (Y.Z.)
- The Biotechnology Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201106, China
| | - Siyuan Peng
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China; (R.W.); (C.M.); (L.Z.); (S.P.); (Y.Z.)
- The Biotechnology Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201106, China
| | - Yi Zhang
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China; (R.W.); (C.M.); (L.Z.); (S.P.); (Y.Z.)
- The Biotechnology Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201106, China
| | - Shucheng Feng
- Shanghai Botanical Garden, Shanghai Urban Plant Resources Development and Application Engineering Technology Research Center, Shanghai 200231, China;
| | - Feng Ming
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai 200234, China; (R.W.); (C.M.); (L.Z.); (S.P.); (Y.Z.)
- The Biotechnology Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201106, China
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Liu M, Zhu J, Dong Z. Immediate transcriptional responses of Arabidopsis leaves to heat shock. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2021; 63:468-483. [PMID: 32644278 DOI: 10.1111/jipb.12990] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 07/08/2020] [Indexed: 05/26/2023]
Abstract
Plants have evolved efficient mechanisms for adapting to temperature fluctuations, known as heat stress response and heat stress memory. Although the transcriptional regulatory network of plant heat stress response has been established, little is known about the genome-wide transcriptional changes occurring within the first several minutes after heat shock. Here, we investigated the nascent RNA and mature messenger RNA (mRNA) from plant leaf tissues exposed to 5 min of heat shock treatment using global run-on sequencing and RNA sequencing methods. Only a small group of genes were up- or downregulated at both the nascent RNA and mRNA levels. Primed plants that were already exposed to mild heat stress exhibited a more drastic alteration at multiple transcriptional steps than naïve plants that had not experienced heat stress. Upon heat shock, we also observed the following: (i) engaged RNA polymerase II accumulated downstream of transcription start sites; (ii) 5' pausing release was a rate-limiting step for the induction of some heat shock protein genes; (iii) numerous genes switched transcription modes; (iv) pervasive read-through was induced at terminators; and (v) heat stress memory occurs at multiple steps of the transcription cycle, such as at Pol II recruitment, 5' pausing, elongation, and termination.
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Affiliation(s)
- Min Liu
- Innovative Center of Molecular Genetics and Evolution, Guangzhou Higher Education Mega Center, School of Life Sciences, Guangzhou University, Guangzhou, 510006, China
| | - Jiafu Zhu
- Innovative Center of Molecular Genetics and Evolution, Guangzhou Higher Education Mega Center, School of Life Sciences, Guangzhou University, Guangzhou, 510006, China
- Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, the Chinese Academy of Sciences, Guangzhou, 510650, China
| | - Zhicheng Dong
- Innovative Center of Molecular Genetics and Evolution, Guangzhou Higher Education Mega Center, School of Life Sciences, Guangzhou University, Guangzhou, 510006, China
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Du W, Ruan C, Li J, Li H, Ding J, Zhao S, Jiang X. Quantitative proteomic analysis of Xanthoceras sorbifolium Bunge seedlings in response to drought and heat stress. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2021; 160:8-17. [PMID: 33445043 DOI: 10.1016/j.plaphy.2021.01.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 01/04/2021] [Indexed: 06/12/2023]
Abstract
Yellowhorn (Xanthoceras sorbifolium Bunge) is a woody oil species that is widely distributed in northwestern China. To investigate the molecular mechanisms underlying the drought and heat tolerance response of yellowhorn seedlings, changes in protein abundance were analyzed via comparative proteomics. Drought and heat treatment of seedlings was applied in growth chamber, and the leaves were harvested after 7 days of treatment. The total protein was extracted, and comparative proteomic analysis was performed via isobaric tag for relative and absolute quantitation (iTRAQ). The abundance of most of the proteins associated with oxidative phosphorylation, NADH dehydrogenase and superoxide dismutase (SOD) was reduced. The differential proteins associated with photosynthesis enzymes indicated that stress had different effects on photosystem I (PSI) and photosystem II (PSII). After comprehensively analyzing the results, we speculated that drought and heat stress could hinder the synthesis of riboflavin, reducing NADH dehydrogenase content, which might further have an impact on energy utilization. Yellowhorn seedlings relied on Fe-Mn SOD enzymes rather than Cu/Zn SOD enzymes to remove reactive oxygen species (ROS). In addition, heat-shock proteins (HSPs) had significant increase and played a key role in stress response, which could be divided into two categories according to their transcription and translation efficiency. Over all, the results can provide a basis for understanding the molecular mechanism underlying resistance to drought and heat stress in yellowhorn and for subsequent research of posttranslational modification-related omics of key proteins.
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Affiliation(s)
- Wei Du
- Institute of Plant Resources, Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Nationalities University, Dalian, 116600, China
| | - Chengjiang Ruan
- Institute of Plant Resources, Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Nationalities University, Dalian, 116600, China.
| | - Jingbin Li
- Institute of Plant Resources, Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Nationalities University, Dalian, 116600, China
| | - He Li
- Institute of Plant Resources, Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Nationalities University, Dalian, 116600, China
| | - Jian Ding
- Institute of Plant Resources, Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Nationalities University, Dalian, 116600, China
| | - Siyang Zhao
- Institute of Plant Resources, Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Nationalities University, Dalian, 116600, China
| | - Xin Jiang
- Institute of Plant Resources, Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Nationalities University, Dalian, 116600, China
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Sarkar S, Stefanik N, Kunieda T, Hara-Nishimura I, Yamada K. The Arabidopsis transcription factor NAI1 activates the NAI2 promoter by binding to the G-box motifs. PLANT SIGNALING & BEHAVIOR 2021; 16:1846928. [PMID: 33315514 PMCID: PMC7849731 DOI: 10.1080/15592324.2020.1846928] [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: 10/10/2020] [Revised: 11/02/2020] [Accepted: 11/02/2020] [Indexed: 05/16/2023]
Abstract
Brassicaceae plants, including Arabidopsis thaliana, develop endoplasmic reticulum (ER)-derived structures called ER bodies, which are involved in chemical defense against herbivores. NAI1 is a basic helix-loop-helix (bHLH) type transcription factor that regulates two downstream genes, NAI2 and BGLU23, that are responsible for the ER body formation and function. Here, we examined the transcription factor function of NAI1, and found that NAI1 binds to the promoter region of NAI2 and activates the NAI2 promoter. The recombinant NAI1 protein recognizes the canonical and non-canonical G-box motifs in the NAI2 promoter. Furthermore, we examined the DNA binding activity of NAI1 toward several E-box motifs in the NAI2 and BGLU23 promoters and found that NAI1 binds to a DNA fragment that includes an E-box motif from the BGLU23 promoter. Subcellular localization of NAI1 was evident in the nucleus, which is consistent with its transcription factor function. Transient expression experiments in Nicotiana benthamiana leaves showed that GFP-NAI1 protein activated the NAI2 promoter by binding to the two G-boxes of the promoter. Disruption of the G-boxes abolished the NAI1-dependent activation of the NAI2 promoter. These results indicate that NAI1 has a DNA binding activity in a motif-dependent manner and suggest that NAI1 regulates NAI2 and BGLU23 gene expressions through binding to these DNA motifs in their promoters.
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Affiliation(s)
- Shayan Sarkar
- Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
| | - Natalia Stefanik
- Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
- Institute of Zoology and Biomedical Sciences, Faculty of Biology, Jagiellonian University, Krakow, Poland
| | - Tadashi Kunieda
- Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
- Faculty of Science and Engineering, Konan University, Kobe, Japan
| | | | - Kenji Yamada
- Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
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Hung TH, So T, Sreng S, Thammavong B, Boounithiphonh C, Boshier DH, MacKay JJ. Reference transcriptomes and comparative analyses of six species in the threatened rosewood genus Dalbergia. Sci Rep 2020; 10:17749. [PMID: 33082403 PMCID: PMC7576600 DOI: 10.1038/s41598-020-74814-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 10/07/2020] [Indexed: 12/02/2022] Open
Abstract
Dalbergia is a pantropical genus with more than 250 species, many of which are highly threatened due to overexploitation for their rosewood timber, along with general deforestation. Many Dalbergia species have received international attention for conservation, but the lack of genomic resources for Dalbergia hinders evolutionary studies and conservation applications, which are important for adaptive management. This study produced the first reference transcriptomes for 6 Dalbergia species with different geographical origins and predicted ~ 32 to 49 K unique genes. We showed the utility of these transcriptomes by phylogenomic analyses with other Fabaceae species, estimating the divergence time of extant Dalbergia species to ~ 14.78 MYA. We detected over-representation in 13 Pfam terms including HSP, ALDH and ubiquitin families in Dalbergia. We also compared the gene families of geographically co-occurring D. cochinchinensis and D. oliveri and observed that more genes underwent positive selection and there were more diverged disease resistance proteins in the more widely distributed D. oliveri, consistent with reports that it occupies a wider ecological niche and has higher genetic diversity. We anticipate that the reference transcriptomes will facilitate future population genomics and gene-environment association studies on Dalbergia, as well as contributing to the genomic database where plants, particularly threatened ones, are currently underrepresented.
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Affiliation(s)
- Tin Hang Hung
- Department of Plant Sciences, University of Oxford, Oxford, OX1 3RB, UK.
| | - Thea So
- Institute of Forest and Wildlife Research and Development, Phnom Penh, Cambodia
| | - Syneath Sreng
- Institute of Forest and Wildlife Research and Development, Phnom Penh, Cambodia
| | - Bansa Thammavong
- Forest Research Center, National Agriculture and Forestry Research Institute, Vientiane, Lao PDR
| | - Chaloun Boounithiphonh
- Forest Research Center, National Agriculture and Forestry Research Institute, Vientiane, Lao PDR
| | - David H Boshier
- Department of Plant Sciences, University of Oxford, Oxford, OX1 3RB, UK
| | - John J MacKay
- Department of Plant Sciences, University of Oxford, Oxford, OX1 3RB, UK.
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Tiwari LD, Khungar L, Grover A. AtHsc70-1 negatively regulates the basal heat tolerance in Arabidopsis thaliana through affecting the activity of HsfAs and Hsp101. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2020; 103:2069-2083. [PMID: 32573848 DOI: 10.1111/tpj.14883] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 05/18/2020] [Accepted: 06/05/2020] [Indexed: 05/04/2023]
Abstract
Heat shock protein 70 (Hsp70) chaperones are highly conserved and essential proteins with diverse cellular functions, including plant abiotic stress tolerance. Hsp70 proteins have been linked with basal heat tolerance in plants. Hsp101 likewise is an important chaperone protein that plays a critical role in heat tolerance in plants. We observed that Arabidopsis hsc70-1 mutant seedlings show elevated basal heat tolerance compared with wild-type. Over-expression of Hsc70-1 resulted in increased heat sensitivity. Hsp101 transcript and protein levels were increased during non-heat stress (HS) and post-HS conditions in hsc70-1 mutant seedlings. In contrast, Hsp101 was repressed in Hsc70-1 over-expressing plants after post-HS conditions. Hsc70-1 showed physical interaction with HsfA1d and HsfA1e protein in the cytosol under non-HS conditions. In transient reporter gene analysis, HsfA1d, HsfA1e and HsfA2 showed transcriptional response on the Hsp101 promoter. HsfA1d and HsfA2 transcripts were at higher levels in hsc70-1 mutant compared with wild-type. We provide genetic evidence that Hsc70-1 is a negative regulator affecting HsfA1d/A1e/A2 activators, which in turn regulate Hsp101 expression and basal thermotolerance.
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Affiliation(s)
- Lalit D Tiwari
- Department of Plant Molecular Biology, University of Delhi South Campus, New Delhi,, 110021, India
| | - Lisha Khungar
- Department of Plant Molecular Biology, University of Delhi South Campus, New Delhi,, 110021, India
| | - Anil Grover
- Department of Plant Molecular Biology, University of Delhi South Campus, New Delhi,, 110021, India
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40
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Li W, Chen Y, Ye M, Wang D, Chen Q. Evolutionary history of the heat shock protein 90 (Hsp90) family of 43 plants and characterization of Hsp90s in Solanum tuberosum. Mol Biol Rep 2020; 47:6679-6691. [PMID: 32780253 DOI: 10.1007/s11033-020-05722-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 08/02/2020] [Indexed: 01/12/2023]
Abstract
Heat shock protein 90 genes/proteins (Hsp90s) are related to the stress resistance found in various plant species. These proteins affect the growth and development of plants and have important effects on the plants under various stresses (cold, drought and salt) in the environment. In this study, we identified 334 Hsp90s from 43 plant species, and Hsp90s were found in all species. Phylogenetic tree and conserved domain database analysis of all Hsp90s showed three independent clades. The analysis of motifs, gene duplication events, and the expression data from PGSC website revealed the gene structures, evolution relationships, and expression patterns of the Hsp90s. In addition, analysis of the transcript levels of the 7 Hsp90s in potato (Solanum tuberosum) under low temperature and high temperature stresses showed that these genes were related to the temperature stresses. Especially StHsp90.2 and StHsp90.4, under high or low temperature conditions, the expression levels in leaves, stems, or roots were significantly up-regulated. Our findings revealed the evolution of the Hsp90s, which had guiding significance for further researching the precise functions of the Hsp90s.
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Affiliation(s)
- Wan Li
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, Xianyang, 712100, Shaanxi, China
| | - Yue Chen
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, Xianyang, 712100, Shaanxi, China
| | - Minghui Ye
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, Xianyang, 712100, Shaanxi, China
| | - Dongdong Wang
- State Key Laboratory of Crop Stress Biology for Arid Areas, College of Agronomy, Northwest A&F University, Yangling, Xianyang, 712100, Shaanxi, China.
| | - Qin Chen
- College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, 712100, Shaanxi, China.
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Transcriptomic Analysis Revealed the Common and Divergent Responses of Maize Seedling Leaves to Cold and Heat Stresses. Genes (Basel) 2020; 11:genes11080881. [PMID: 32756433 PMCID: PMC7464670 DOI: 10.3390/genes11080881] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 07/24/2020] [Accepted: 07/30/2020] [Indexed: 11/17/2022] Open
Abstract
Temperature stresses (TS), including cold and heat stress, adversely affect the growth, development, and yield of maize (Zea mays L.). To clarify the molecular mechanisms of the tolerance of maize seedling leaves to TS, we applied transcriptomic sequencing of an inbred maize line, B73, with seedlings exposed to various temperature conditions, including normal temperature (NT, 25 °C), cold (4, 10, and 16 °C), and heat (37, 42, and 48 °C) stresses. Differentially expressed genes (DEGs) were detected in different comparison between the NT sample and each temperature-stressed sample, with 5358, 5485, 5312, 1095, 2006, and 4760 DEGs responding to TS of 4, 10, 16, 37, 42, and 48 °C, respectively. For cold and heat stresses, 189 DEGs enriched in the hydrogen peroxidase metabolic process, cellular modified amino acid metabolic process, and sulfur compound metabolic process were common. The DEGs encoding calcium signaling and reactive oxygen species scavenging enzymes demonstrated similar expression characterizations, whereas the DEGs encoding transcription factors, such as ERF, ARF, and HSF, hormone signaling, and heat shock proteins, displayed divergent expression models, implying both common and divergent responses to cold and heat stresses in maize seedling leaves. Co-expression network analysis showed that functional DEGs associated with the core regulators in response to cold and heat stresses were significantly correlated with TS, indicating their vital roles in cold and heat adaptation, respectively. Our investigation focused on the response to gradient TS, and the results presented a relatively comprehensive category of genes involved in differential TS responses. These will contribute a better understanding of the molecular mechanisms of maize seedling leaf responses to TS and provide valuable genetic resources for breeding TS tolerant varieties of maize.
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Hara M. Potential use of essential oils to enhance heat tolerance in plants. ACTA ACUST UNITED AC 2020; 75:225-231. [PMID: 32755102 DOI: 10.1515/znc-2019-0233] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Accepted: 03/19/2020] [Indexed: 12/12/2022]
Abstract
Isothiocyanates, monoterpenes, and leaf volatiles that are components of essential oils induce the expression of heat shock protein genes in plant systems. Here, the modes of heat shock responses induced by the essential oil compounds and their heat-tolerance-enhancing activities are described. Traditionally, green manure produced from essential-oil-containing plants has been used because such manure is thought to have beneficial effects in fertilizing, allelopathic, antibacterial, and animal-repellent activities. In addition to these effects, stress (especially heat stress)-tolerance-enhancing activities can be expected. Biostimulants containing such essential oils may be able to maintain the yield and quality of crops under increasing ambient temperatures. In this review, chemicals that enhance the heat tolerance of plants are designated as heat tolerance enhancers (HTLEs). Some essential oil compounds can be categorized as HTLEs available for biostimulants.
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Affiliation(s)
- Masakazu Hara
- Research Institute of Green Science and Technology, Shizuoka University, 836 Ohya, Shizuoka, Shizuoka 422-8529, Japan, Phone: +81-54-238-5134, Fax: +81-54-238-5134
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Tichá T, Samakovli D, Kuchařová A, Vavrdová T, Šamaj J. Multifaceted roles of HEAT SHOCK PROTEIN 90 molecular chaperones in plant development. JOURNAL OF EXPERIMENTAL BOTANY 2020; 71:3966-3985. [PMID: 32293686 DOI: 10.1093/jxb/eraa177] [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: 01/27/2020] [Accepted: 04/06/2020] [Indexed: 05/20/2023]
Abstract
HEAT SHOCK PROTEINS 90 (HSP90s) are molecular chaperones that mediate correct folding and stability of many client proteins. These chaperones act as master molecular hubs involved in multiple aspects of cellular and developmental signalling in diverse organisms. Moreover, environmental and genetic perturbations affect both HSP90s and their clients, leading to alterations of molecular networks determining respectively plant phenotypes and genotypes and contributing to a broad phenotypic plasticity. Although HSP90 interaction networks affecting the genetic basis of phenotypic variation and diversity have been thoroughly studied in animals, such studies are just starting to emerge in plants. Here, we summarize current knowledge and discuss HSP90 network functions in plant development and cellular homeostasis.
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Affiliation(s)
- Tereza Tichá
- Department of Cell Biology, Centre of the Region Haná for Biotechnological and Agricultural Research, Faculty of Science, Palacký University Olomouc, Olomouc, Czech Republic
| | - Despina Samakovli
- Department of Cell Biology, Centre of the Region Haná for Biotechnological and Agricultural Research, Faculty of Science, Palacký University Olomouc, Olomouc, Czech Republic
| | - Anna Kuchařová
- Department of Cell Biology, Centre of the Region Haná for Biotechnological and Agricultural Research, Faculty of Science, Palacký University Olomouc, Olomouc, Czech Republic
| | - Tereza Vavrdová
- Department of Cell Biology, Centre of the Region Haná for Biotechnological and Agricultural Research, Faculty of Science, Palacký University Olomouc, Olomouc, Czech Republic
| | - Jozef Šamaj
- Department of Cell Biology, Centre of the Region Haná for Biotechnological and Agricultural Research, Faculty of Science, Palacký University Olomouc, Olomouc, Czech Republic
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44
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Jarad M, Antoniou-Kourounioti R, Hepworth J, Qüesta JI. Unique and contrasting effects of light and temperature cues on plant transcriptional programs. Transcription 2020; 11:134-159. [PMID: 33016207 PMCID: PMC7714439 DOI: 10.1080/21541264.2020.1820299] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 08/26/2020] [Accepted: 08/31/2020] [Indexed: 12/12/2022] Open
Abstract
Plants have adapted to tolerate and survive constantly changing environmental conditions by reprogramming gene expression in response to stress or to drive developmental transitions. Among the many signals that plants perceive, light and temperature are of particular interest due to their intensely fluctuating nature which is combined with a long-term seasonal trend. Whereas specific receptors are key in the light-sensing mechanism, the identity of plant thermosensors for high and low temperatures remains far from fully addressed. This review aims at discussing common as well as divergent characteristics of gene expression regulation in plants, controlled by light and temperature. Light and temperature signaling control the abundance of specific transcription factors, as well as the dynamics of co-transcriptional processes such as RNA polymerase elongation rate and alternative splicing patterns. Additionally, sensing both types of cues modulates gene expression by altering the chromatin landscape and through the induction of long non-coding RNAs (lncRNAs). However, while light sensing is channeled through dedicated receptors, temperature can broadly affect chemical reactions inside plant cells. Thus, direct thermal modifications of the transcriptional machinery add another level of complexity to plant transcriptional regulation. Besides the rapid transcriptome changes that follow perception of environmental signals, plant developmental transitions and acquisition of stress tolerance depend on long-term maintenance of transcriptional states (active or silenced genes). Thus, the rapid transcriptional response to the signal (Phase I) can be distinguished from the long-term memory of the acquired transcriptional state (Phase II - remembering the signal). In this review we discuss recent advances in light and temperature signal perception, integration and memory in Arabidopsis thaliana, focusing on transcriptional regulation and highlighting the contrasting and unique features of each type of cue in the process.
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Affiliation(s)
- Mai Jarad
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Campus UAB, Barcelona, Spain
| | | | - Jo Hepworth
- John Innes Centre, Norwich Research Park, Norwich, UK
| | - Julia I. Qüesta
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Campus UAB, Barcelona, Spain
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45
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Ding Y, Shi Y, Yang S. Molecular Regulation of Plant Responses to Environmental Temperatures. MOLECULAR PLANT 2020; 13:544-564. [PMID: 32068158 DOI: 10.1016/j.molp.2020.02.004] [Citation(s) in RCA: 282] [Impact Index Per Article: 70.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Revised: 02/10/2020] [Accepted: 02/11/2020] [Indexed: 05/19/2023]
Abstract
Temperature is a key factor governing the growth and development, distribution, and seasonal behavior of plants. The entire plant life cycle is affected by environmental temperatures. Plants grow rapidly and exhibit specific changes in morphology under mild average temperature conditions, a response termed thermomorphogenesis. When exposed to chilling or moist chilling low temperatures, flowering or seed germination is accelerated in some plant species; these processes are known as vernalization and cold stratification, respectively. Interestingly, once many temperate plants are exposed to chilling temperatures for some time, they can acquire the ability to resist freezing stress, a process termed cold acclimation. In the face of global climate change, heat stress has emerged as a frequent challenge, which adversely affects plant growth and development. In this review, we summarize and discuss recent progress in dissecting the molecular mechanisms regulating plant thermomorphogenesis, vernalization, and responses to extreme temperatures. We also discuss the remaining issues that are crucial for understanding the interactions between plants and temperature.
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Affiliation(s)
- Yanglin Ding
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Yiting Shi
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Shuhua Yang
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing 100193, China.
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46
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Gong Z, Xiong L, Shi H, Yang S, Herrera-Estrella LR, Xu G, Chao DY, Li J, Wang PY, Qin F, Li J, Ding Y, Shi Y, Wang Y, Yang Y, Guo Y, Zhu JK. Plant abiotic stress response and nutrient use efficiency. SCIENCE CHINA-LIFE SCIENCES 2020; 63:635-674. [PMID: 32246404 DOI: 10.1007/s11427-020-1683-x] [Citation(s) in RCA: 527] [Impact Index Per Article: 131.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 03/17/2020] [Indexed: 12/15/2022]
Abstract
Abiotic stresses and soil nutrient limitations are major environmental conditions that reduce plant growth, productivity and quality. Plants have evolved mechanisms to perceive these environmental challenges, transmit the stress signals within cells as well as between cells and tissues, and make appropriate adjustments in their growth and development in order to survive and reproduce. In recent years, significant progress has been made on many fronts of the stress signaling research, particularly in understanding the downstream signaling events that culminate at the activation of stress- and nutrient limitation-responsive genes, cellular ion homeostasis, and growth adjustment. However, the revelation of the early events of stress signaling, particularly the identification of primary stress sensors, still lags behind. In this review, we summarize recent work on the genetic and molecular mechanisms of plant abiotic stress and nutrient limitation sensing and signaling and discuss new directions for future studies.
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Affiliation(s)
- Zhizhong Gong
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Liming Xiong
- Department of Biology, Hong Kong Baptist University, Kowlong Tong, Hong Kong, China
| | - Huazhong Shi
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, 79409, USA
| | - Shuhua Yang
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Luis R Herrera-Estrella
- Plant and Soil Science Department (IGCAST), Texas Tech University, Lubbock, TX, 79409, USA.,Unidad de Genómica Avanzada (Langebio), Centro de Investigación y de Estudios Avanzados, Irapuato, 36610, México.,College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Guohua Xu
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Dai-Yin Chao
- National Key laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Jingrui Li
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Peng-Yun Wang
- School of Life Science, Henan University, Kaifeng, 457000, China
| | - Feng Qin
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Jijang Li
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Yanglin Ding
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Yiting Shi
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Yu Wang
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Yongqing Yang
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Yan Guo
- State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing, 100193, China.
| | - Jian-Kang Zhu
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032, China.
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Shu Y, Zhou Y, Mu K, Hu H, Chen M, He Q, Huang S, Ma H, Yu X. A transcriptomic analysis reveals soybean seed pre-harvest deterioration resistance pathways under high temperature and humidity stress. Genome 2020; 63:115-124. [PMID: 31774699 DOI: 10.1139/gen-2019-0094] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2023]
Abstract
Pre-harvest soybean seeds in the field are susceptible to high temperature and humidity (HTH) stress, leading to pre-harvest seed deterioration, which will result in a reduction in grain quality, yield, and seed vigor. To understand the gene expression involved in seed deterioration response under HTH stress, in this study, we conducted an RNA-Seq analysis using two previously screened soybean cultivars with contrasting seed deterioration resistance. HTH stress induced 1081 and 357 differentially expressed genes (DEGs) in the sensitive cultivar Ningzhen No. 1 and resistant cultivar Xiangdou No. 3, respectively. The majority of DEGs in the resistant cultivar were up-regulated, while down-regulated DEGs were predominant in the sensitive cultivar. KEGG pathway analysis revealed that metabolic pathways, biosynthesis of secondary metabolites, and protein processing in endoplasmic reticulum were the predominant pathways in both cultivars during seed deterioration under HTH stress. The genes involved in photosynthesis, carbohydrate metabolism, lipid metabolism, and heat shock proteins pathways might contribute to the different response to seed deterioration under HTH treatment in the two soybean cultivars. Our study extends the knowledge of gene expression in soybean seed under HTH stress and further provides insight into the molecular mechanism of seed deterioration as well as new strategies for breeding soybean with improved seed deterioration resistance.
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Affiliation(s)
- Yingjie Shu
- College of Agriculture, Anhui Science & Technology University, Fengyang 233100, China
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
| | - Yuli Zhou
- College of Agriculture, Anhui Science & Technology University, Fengyang 233100, China
| | - Kebin Mu
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
| | - Huimin Hu
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
| | - Ming Chen
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
| | - Qingyuan He
- College of Agriculture, Anhui Science & Technology University, Fengyang 233100, China
| | - Shoucheng Huang
- College of Agriculture, Anhui Science & Technology University, Fengyang 233100, China
| | - Hao Ma
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Nanjing Agricultural University, Nanjing 210095, China
| | - Xingwang Yu
- Department of Crop and Soil Sciences, North Carolina State University, Raleigh, NC 27695, USA
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Yamada K, Goto-Yamada S, Nakazaki A, Kunieda T, Kuwata K, Nagano AJ, Nishimura M, Hara-Nishimura I. Endoplasmic reticulum-derived bodies enable a single-cell chemical defense in Brassicaceae plants. Commun Biol 2020; 3:21. [PMID: 31937912 PMCID: PMC6959254 DOI: 10.1038/s42003-019-0739-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Accepted: 12/10/2019] [Indexed: 01/23/2023] Open
Abstract
Brassicaceae plants have a dual-cell type of chemical defense against herbivory. Here, we show a novel single-cell defense involving endoplasmic reticulum (ER)-derived organelles (ER bodies) and the vacuoles. We identify various glucosinolates as endogenous substrates of the ER-body β-glucosidases BGLU23 and BGLU21. Woodlice strongly prefer to eat seedlings of bglu23 bglu21 or a glucosinolate-deficient mutant over wild-type seedlings, confirming that the β-glucosidases have a role in chemical defense: production of toxic compounds upon organellar damage. Deficiency of the Brassicaceae-specific protein NAI2 prevents ER-body formation, which results in a loss of BGLU23 and a loss of resistance to woodlice. Hence, NAI2 that interacts with BGLU23 is essential for sequestering BGLU23 in ER bodies and preventing its degradation. Artificial expression of NAI2 and BGLU23 in non-Brassicaceae plants results in the formation of ER bodies, indicating that acquisition of NAI2 by Brassicaceae plants is a key step in developing their single-cell defense system. Kenji Yamada et al. describe a single-cell chemical defense strategy in Brassicaceae plants that requires formation of endoplasmic reticulum-derived organelles for the accumulation of β-glucosidases. They find that seedlings lacking a specific β-glucosidase lose their resistance to predation by woodlice.
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Affiliation(s)
- Kenji Yamada
- Malopolska Centre of Biotechnology, Jagiellonian University, 30-387, Krakow, Poland. .,Department of Cell Biology, National Institute for Basic Biology, Okazaki, 444-8585, Japan. .,Graduate School of Science, Kyoto University, Kyoto, 606-8502, Japan.
| | - Shino Goto-Yamada
- Malopolska Centre of Biotechnology, Jagiellonian University, 30-387, Krakow, Poland.,Department of Cell Biology, National Institute for Basic Biology, Okazaki, 444-8585, Japan.,Graduate School of Science, Kyoto University, Kyoto, 606-8502, Japan
| | - Akiko Nakazaki
- Graduate School of Science, Kyoto University, Kyoto, 606-8502, Japan
| | - Tadashi Kunieda
- Graduate School of Science, Kyoto University, Kyoto, 606-8502, Japan.,Faculty of Science and Engineering, Konan University, Kobe, 658-8501, Japan.,Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, 630-0192, Japan
| | - Keiko Kuwata
- Institute of Transformative Bio-Molecules, Nagoya University, Nagoya, 464-8601, Japan
| | - Atsushi J Nagano
- Faculty of Agriculture, Ryukoku University, Otsu, Shiga, 520-2194, Japan
| | - Mikio Nishimura
- Department of Cell Biology, National Institute for Basic Biology, Okazaki, 444-8585, Japan. .,Faculty of Science and Engineering, Konan University, Kobe, 658-8501, Japan.
| | - Ikuko Hara-Nishimura
- Graduate School of Science, Kyoto University, Kyoto, 606-8502, Japan. .,Faculty of Science and Engineering, Konan University, Kobe, 658-8501, Japan.
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49
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Ferber E, Gerhards J, Sauer M, Krischke M, Dittrich MT, Müller T, Berger S, Fekete A, Mueller MJ. Chemical Priming by Isothiocyanates Protects Against Intoxication by Products of the Mustard Oil Bomb. FRONTIERS IN PLANT SCIENCE 2020; 11:887. [PMID: 32676087 PMCID: PMC7333730 DOI: 10.3389/fpls.2020.00887] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 05/29/2020] [Indexed: 05/17/2023]
Abstract
In Brassicaceae, tissue damage triggers the mustard oil bomb i.e., activates the degradation of glucosinolates by myrosinases leading to a rapid accumulation of isothiocyanates at the site of damage. Isothiocyanates are reactive electrophilic species (RES) known to covalently bind to thiols in proteins and glutathione, a process that is not only toxic to herbivores and microbes but can also cause cell death of healthy plant tissues. Previously, it has been shown that subtoxic isothiocyanate concentrations can induce transcriptional reprogramming in intact plant cells. Glutathione depletion by RES leading to breakdown of the redox potential has been proposed as a central and common RES signal transduction mechanism. Using transcriptome analyses, we show that after exposure of Arabidopsis seedlings (grown in liquid culture) to subtoxic concentrations of sulforaphane hundreds of genes were regulated without depletion of the cellular glutathione pool. Heat shock genes were among the most highly up-regulated genes and this response was found to be dependent on the canonical heat shock factors A1 (HSFA1). HSFA1-deficient plants were more sensitive to isothiocyanates than wild type plants. Moreover, pretreatment of Arabidopsis seedlings with subtoxic concentrations of isothiocyanates increased resistance against exposure to toxic levels of isothiocyanates and, hence, may reduce the autotoxicity of the mustard oil bomb by inducing cell protection mechanisms.
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Affiliation(s)
- Elena Ferber
- Julius-von-Sachs-Institute of Biosciences, Biocenter, Pharmaceutical Biology, University of Würzburg, Würzburg, Germany
| | - Julian Gerhards
- Julius-von-Sachs-Institute of Biosciences, Biocenter, Pharmaceutical Biology, University of Würzburg, Würzburg, Germany
| | - Miriam Sauer
- Julius-von-Sachs-Institute of Biosciences, Biocenter, Pharmaceutical Biology, University of Würzburg, Würzburg, Germany
| | - Markus Krischke
- Julius-von-Sachs-Institute of Biosciences, Biocenter, Pharmaceutical Biology, University of Würzburg, Würzburg, Germany
| | - Marcus T. Dittrich
- Department of Boinformatics, Biocenter, University of Würzburg, Würzburg, Germany
- Institute of Clinical Biochemistry, University of Würzburg, Würzburg, Germany
| | - Tobias Müller
- Department of Boinformatics, Biocenter, University of Würzburg, Würzburg, Germany
| | - Susanne Berger
- Julius-von-Sachs-Institute of Biosciences, Biocenter, Pharmaceutical Biology, University of Würzburg, Würzburg, Germany
| | - Agnes Fekete
- Julius-von-Sachs-Institute of Biosciences, Biocenter, Pharmaceutical Biology, University of Würzburg, Würzburg, Germany
| | - Martin J. Mueller
- Julius-von-Sachs-Institute of Biosciences, Biocenter, Pharmaceutical Biology, University of Würzburg, Würzburg, Germany
- *Correspondence: Martin J. Mueller,
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50
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Watanabe E, Mano S, Nishimura M, Yamada K. AtUBL5 regulates growth and development through pre-mRNA splicing in Arabidopsis thaliana. PLoS One 2019; 14:e0224795. [PMID: 31730612 PMCID: PMC6857937 DOI: 10.1371/journal.pone.0224795] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2019] [Accepted: 10/22/2019] [Indexed: 12/23/2022] Open
Abstract
Ubiquitin-like proteins play important roles in the regulation of many biological processes. UBL5 (Ubiquitin-like protein 5)/Hub1 (Homologous to ubiquitin 1), a member of the ubiquitin family, acts as a ubiquitin-like modifier on a specific target, the spliceosomal protein Snu66, in yeast and human cells. The 22nd aspartic acid (Asp22) is involved in the attachment of Hub1 to the Hub1 interaction domain (HIND) of Snu66 in yeast to modulate spliceosomal activity. Hub1 differs from other modifiers which interact covalently with their targets. It modulates pre-mRNA splicing by binding to Snu66 non-covalently in both yeast and human cells. However, the molecular mechanisms of Hub1-mediated pre-mRNA splicing in plant systems remains unclear. To better understand the function of Hub1 in plants, we examined the role of this ubiquitin-like modifier in Arabidopsis thaliana, which has two Hub1 homologues. Arabidopsis UBL5/Hub1(UBL5) is highly conserved at the amino acid level, compared to eukaryotic homologues in both plants and animals. In this study, phenotypic analysis of A. thaliana with reduced UBL5 gene expression, generated by RNA interference of AtUBL5a and AtUBL5b were performed. Interestingly, knock down plants of AtUBL5 showed abnormalities in root elongation, plant development, and auxin response. AtUBL5b is highly expressed in the vascular tissue of the leaf, stem, and root tissue. Yeast two-hybrid analysis revealed that AtUBL5a and AtUBL5b interact with the putative splicing factor AtPRP38 through its C-terminal domain (AtPRP38C). Knock down of AtUBL5b resulted in a pattern of insufficient pre-mRNA splicing in several introns of AtCDC2, and in introns of IAA1, IAA4, and IAA5. Defects of pre-mRNA splicing in an AtPRP38 mutant resulted in an insufficient pre-mRNA splicing pattern in the intron of IAA1. Based on these results, we showed that AtUBL5b positively regulates plant root elongation and development through pre-mRNA splicing with AtPRP38C in A. thaliana.
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Affiliation(s)
- Etsuko Watanabe
- Department of Cell Biology, National Institute for Basic Biology, Okazaki, Japan
- * E-mail:
| | - Shoji Mano
- Department of Cell Biology, National Institute for Basic Biology, Okazaki, Japan
- Department of Basic Biology, School of Life Science, SOKENDAI (The Graduate University for Advanced Studies), Okazaki, Japan
| | - Mikio Nishimura
- Department of Cell Biology, National Institute for Basic Biology, Okazaki, Japan
- Department of Biology, Faculty of Science and Engineering, Konan University, Kobe, Japan
| | - Kenji Yamada
- Department of Cell Biology, National Institute for Basic Biology, Okazaki, Japan
- Malopolska Center of Biotechnology, Jagiellonian University, Krakow, Poland
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