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Kim JH, Oh TR, Cho SK, Yang SW, Kim WT. Inverse Correlation Between MPSR1 E3 Ubiquitin Ligase and HSP90.1 Balances Cytoplasmic Protein Quality Control. PLANT PHYSIOLOGY 2019; 180:1230-1240. [PMID: 30890661 PMCID: PMC6548273 DOI: 10.1104/pp.18.01582] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 03/10/2019] [Indexed: 05/04/2023]
Abstract
MISFOLDED PROTEIN SENSING RING1 (MPSR1) is a chaperone-independent E3 ubiquitin ligase that participates in protein quality control by eliminating misfolded proteins in Arabidopsis (Arabidopsis thaliana). Here, we report that in the early stages of proteotoxic stress, cellular levels of MPSR1 increased immediately, whereas levels of HEAT SHOCK PROTEIN90.1 (AtHSP90.1) were unaltered despite massively upregulated transcription. At this stage, the gene-silencing pathway mediated by microRNA 414 (miR414) suppressed AtHSP90.1 translation. By contrast, under prolonged stress, AtHSP90.1 was not suppressed, and instead competed with MPSR1 to act on misfolded proteins, promoting the destruction of MPSR1. Deficiency or excess of MPSR1 significantly abolished or intensified the suppression of AtHSP90.1, respectively. Similar to the MPSR1-overexpressing transgenic plants, the miR414-overexpressing plants showed an increased tolerance to proteotoxic stress as compared to the wild-type plants. Although the functional relationship between MPSR1 and miR414 remains unclear, both MPSR1 and miR414 demonstrated negative modulation of the expression of AtHSP90.1. The inverse correlation between MPSR1 and AtHSP90.1 via miR414 may adjust the set-point of the HSP90-mediated protein quality control process in response to increasing stress intensity in Arabidopsis.
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Affiliation(s)
- Jong Hum Kim
- Department of Systems Biology, Yonsei University, Seoul 03722, Korea
- Institute of Life Science and Biotechnology, Yonsei University, Seoul 03722, Korea
| | - Tae Rin Oh
- Department of Systems Biology, Yonsei University, Seoul 03722, Korea
- Institute of Life Science and Biotechnology, Yonsei University, Seoul 03722, Korea
| | - Seok Keun Cho
- Department of Systems Biology, Yonsei University, Seoul 03722, Korea
- Institute of Life Science and Biotechnology, Yonsei University, Seoul 03722, Korea
| | - Seong Wook Yang
- Department of Systems Biology, Yonsei University, Seoul 03722, Korea
- Institute of Life Science and Biotechnology, Yonsei University, Seoul 03722, Korea
- Department of Plant and Environmental Science, Faculty of Science, University of Copenhagen, Frederiksberg DK-1871, Denmark
| | - Woo Taek Kim
- Department of Systems Biology, Yonsei University, Seoul 03722, Korea
- Institute of Life Science and Biotechnology, Yonsei University, Seoul 03722, Korea
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Li X, Yang W, Liu S, Li XQ, Jia J, Zhao P, Cheng L, Qi D, Chen S, Liu G. LcFIN2, a novel chloroplast protein gene from sheepgrass, enhances tolerance to low temperature in Arabidopsis and rice. PHYSIOLOGIA PLANTARUM 2019; 166:628-645. [PMID: 30051480 DOI: 10.1111/ppl.12811] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 07/09/2018] [Accepted: 07/18/2018] [Indexed: 05/25/2023]
Abstract
Adverse environmental stresses affect plant growth and crop yields. Sheepgrass (Leymus chinensis (Trin.) Tzvel), an important forage grass that is widely distributed in the east of Eurasia steppe, has high tolerance to extreme low temperature. Many genes that respond to cold stress were identified in sheepgrass by RNA-sequencing, but more detailed studies are needed to dissect the function of those genes. Here, we found that LcFIN2, a sheepgrass freezing-induced protein 2, encoded a chloroplast-targeted protein. Expression of LcFIN2 was upregulated by freezing, chilling, NaCl and abscisic acid (ABA) treatments. Overexpression of LcFIN2 enhanced the survival rate of transgenic Arabidopsis after freezing stress. Importantly, heterologous expression of LcFIN2 in rice exhibited not only higher survival rate but also accumulated various soluble substances and reduced membrane damage in rice under chilling stress. Furthermore, the chlorophyll content, the quantum photochemistry efficiency of photosystem II (ΦPSII), the non-photochemical quenching (NPQ), the net photosynthesis rate (Pn) and the expression of some chloroplast ribosomal-related and photosynthesis-related genes were higher in the transgenic rice under chilling stress. These findings suggested that the LcFIN2 gene could potentially be used to improve low-temperature tolerance in crops.
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Affiliation(s)
- Xiaoxia Li
- Key Laboratory of Plant Resources, Institute of Botany, The Chinese Academy of Sciences, Beijing, 100093, China
| | - Weiguang Yang
- Key Laboratory of Plant Resources, Institute of Botany, The Chinese Academy of Sciences, Beijing, 100093, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Shu Liu
- Key Laboratory of Plant Resources, Institute of Botany, The Chinese Academy of Sciences, Beijing, 100093, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xiu-Qing Li
- Fredericton Research and Development Centre, Agriculture and Agri-Food Canada, Fredericton, NB, E3B 4Z7, Canada
| | - Junting Jia
- Key Laboratory of Plant Resources, Institute of Botany, The Chinese Academy of Sciences, Beijing, 100093, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Pincang Zhao
- Key Laboratory of Plant Resources, Institute of Botany, The Chinese Academy of Sciences, Beijing, 100093, China
| | - Liqin Cheng
- Key Laboratory of Plant Resources, Institute of Botany, The Chinese Academy of Sciences, Beijing, 100093, China
| | - Dongmei Qi
- Key Laboratory of Plant Resources, Institute of Botany, The Chinese Academy of Sciences, Beijing, 100093, China
| | - Shuangyan Chen
- Key Laboratory of Plant Resources, Institute of Botany, The Chinese Academy of Sciences, Beijing, 100093, China
| | - Gongshe Liu
- Key Laboratory of Plant Resources, Institute of Botany, The Chinese Academy of Sciences, Beijing, 100093, China
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Liu X, Wu X, Sun C, Rong J. Identification and Expression Profiling of the Regulator of Chromosome Condensation 1 (RCC1) Gene Family in Gossypium Hirsutum L. under Abiotic Stress and Hormone Treatments. Int J Mol Sci 2019; 20:E1727. [PMID: 30965557 PMCID: PMC6479978 DOI: 10.3390/ijms20071727] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 03/29/2019] [Accepted: 04/04/2019] [Indexed: 12/17/2022] Open
Abstract
The regulator of chromosome condensation 1 (RCC1) is the nucleotide exchange factor for a GTPase called the Ras-related nuclear protein, and it is important for nucleo-plasmic transport, mitosis, nuclear membrane assembly, and control of chromatin agglutination during the S phase of mitosis in animals. In plants, RCC1 molecules act mainly as regulating factors for a series of downstream genes during biological processes such as the ultraviolet-B radiation (UV-B) response and cold tolerance. In this study, 56 genes were identified in upland cotton by searching the associated reference genomes. The genes were found to be unevenly distributed on 26 chromosomes, except A06, A12, D03, and D12. Phylogenetic analysis by maximum-likelihood revealed that the genes were divided into five subgroups. The RCC1 genes within the same group shared similar exon/intron patterns and conserved motifs in their encoded proteins. Most genes of the RCC1 family are expressed differently under various hormone treatments and are negatively controlled by salt stress. Gh_A05G3028 and Gh_D10G2310, which encode two proteins located in the nucleus, were strongly induced under salt treatment, while mutants of their homoeologous gene (UVR8) in Arabidopsis and VIGS (virus induced gene silencing) lines of the two genes above in G. hirsutum exhibited a salt-sensitive phenotype indicating their potential role in salt resistance in cotton. These results provide valuable reference data for further study of RCC1 genes in cotton.
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Affiliation(s)
- Xiao Liu
- The State Key Laboratory of Subtropical Silviculture, College of Forest and Biotechnology, Zhejiang Agricultural and Forestry University, Hangzhou 311300, China.
| | - Xingchen Wu
- The Key Laboratory for Quality Improvement of Agricultural Products of Zhejiang Province, College of Agriculture and Food Science, Zhejiang Agricultural and Forestry University, Hangzhou 311300, China.
| | - Chendong Sun
- The Key Laboratory for Quality Improvement of Agricultural Products of Zhejiang Province, College of Agriculture and Food Science, Zhejiang Agricultural and Forestry University, Hangzhou 311300, China.
| | - Junkang Rong
- The State Key Laboratory of Subtropical Silviculture, College of Forest and Biotechnology, Zhejiang Agricultural and Forestry University, Hangzhou 311300, China.
- The Key Laboratory for Quality Improvement of Agricultural Products of Zhejiang Province, College of Agriculture and Food Science, Zhejiang Agricultural and Forestry University, Hangzhou 311300, China.
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Ji H, Wang S, Cheng C, Li R, Wang Z, Jenkins GI, Kong F, Li X. The RCC1 family protein SAB1 negatively regulates ABI5 through multidimensional mechanisms during postgermination in Arabidopsis. THE NEW PHYTOLOGIST 2019; 222:907-922. [PMID: 30570158 DOI: 10.1111/nph.15653] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Accepted: 12/13/2018] [Indexed: 05/25/2023]
Abstract
Abscisic acid-insensitive 5 (ABI5) is an essential and conserved plant basic leucine zipper transcription factor whose level controls seed germination and postgerminative development. It has been demonstrated that activity of ABI5 is transcriptionally and post-translationally regulated. However, transcriptional regulation of ABI5 is not fully understood. Here, we identified SAB1 (Sensitive to ABA 1) as a novel negative regulator of ABI5 that simultaneously regulates its stability, promoter binding activity and histone methylation-mediated gene silencing of ABI5. SAB1 encodes a Regulator of Chromatin Condensation 1 (RCC1) family protein and is expressed in an opposite pattern to that of ABI5 during early seedling growth in response to abscisic acid (ABA). SAB1 mutation results in enhanced ABA sensitivity and acts upstream of ABI5. SAB1 physically interacts with ABI5 at phosphoamino acid Ser-145, and reduces the phosphorylation of ABI5 and the protein stability. SAB1 reduces ABI5 binding activity to its own promoter, leading to reduced transcriptional level of ABI5. SAB1 inactivates ABI5 transcription by increasing the level of histone H3K27me2 in the ABI5 promoter. Our findings have identified SAB1 as a crucial new component of ABA signaling which modulates early development of plant by precisely controlling ABI5 activity through multiple mechanisms.
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Affiliation(s)
- Hongtao Ji
- State Key Laboratory of Agricultural Microbiology, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Shuangfeng Wang
- Center for Agricultural Research Resources, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, 286 Huaizhong Road, Shijiazhuang, Hebei, 050021, China
| | - Chunhong Cheng
- Center for Agricultural Research Resources, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, 286 Huaizhong Road, Shijiazhuang, Hebei, 050021, China
| | - Ran Li
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Zhijuan Wang
- State Key Laboratory of Agricultural Microbiology, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Gareth I Jenkins
- Institute of Molecular Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Bower Building, Glasgow, G12 8QQ, UK
| | - Fanjiang Kong
- The Key Laboratory of Soybean Molecular Design Breeding, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Harbin, 150081, China
- School of Life Sciences, Guangzhou University, Guangzhou, 510006, China
| | - Xia Li
- State Key Laboratory of Agricultural Microbiology, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
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Sawicki M, Rondeau M, Courteaux B, Rabenoelina F, Guerriero G, Gomès E, Soubigou-Taconnat L, Balzergue S, Clément C, Ait Barka E, Vaillant-Gaveau N, Jacquard C. On a Cold Night: Transcriptomics of Grapevine Flower Unveils Signal Transduction and Impacted Metabolism. Int J Mol Sci 2019; 20:E1130. [PMID: 30841651 PMCID: PMC6429367 DOI: 10.3390/ijms20051130] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 02/26/2019] [Accepted: 03/01/2019] [Indexed: 02/02/2023] Open
Abstract
Low temperature is a critical environmental factor limiting plant productivity, especially in northern vineyards. To clarify the impact of this stress on grapevine flower, we used the Vitis array based on Roche-NimbleGen technology to investigate the gene expression of flowers submitted to a cold night. Our objectives were to identify modifications in the transcript levels after stress and during recovery. Consequently, our results confirmed some mechanisms known in grapes or other plants in response to cold stress, notably, (1) the pivotal role of calcium/calmodulin-mediated signaling; (2) the over-expression of sugar transporters and some genes involved in plant defense (especially in carbon metabolism), and (3) the down-regulation of genes encoding galactinol synthase (GOLS), pectate lyases, or polygalacturonases. We also identified some mechanisms not yet known to be involved in the response to cold stress, i.e., (1) the up-regulation of genes encoding G-type lectin S-receptor-like serine threonine-protein kinase, pathogen recognition receptor (PRR5), or heat-shock factors among others; (2) the down-regulation of Myeloblastosis (MYB)-related transcription factors and the Constans-like zinc finger family; and (3) the down-regulation of some genes encoding Pathogen-Related (PR)-proteins. Taken together, our results revealed interesting features and potentially valuable traits associated with stress responses in the grapevine flower. From a long-term perspective, our study provides useful starting points for future investigation.
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Affiliation(s)
- Mélodie Sawicki
- Unité de Recherche Résistance Induite et Bioprotection des Plantes-EA 4707, Université de Reims Champagne-Ardenne, UFR Sciences Exactes et Naturelles, SFR Condorcet FR CNRS 3417, Moulin de la Housse-Bâtiment 18, BP 1039, 51687 REIMS Cedex 2, France.
| | - Marine Rondeau
- Unité de Recherche Résistance Induite et Bioprotection des Plantes-EA 4707, Université de Reims Champagne-Ardenne, UFR Sciences Exactes et Naturelles, SFR Condorcet FR CNRS 3417, Moulin de la Housse-Bâtiment 18, BP 1039, 51687 REIMS Cedex 2, France.
| | - Barbara Courteaux
- Unité de Recherche Résistance Induite et Bioprotection des Plantes-EA 4707, Université de Reims Champagne-Ardenne, UFR Sciences Exactes et Naturelles, SFR Condorcet FR CNRS 3417, Moulin de la Housse-Bâtiment 18, BP 1039, 51687 REIMS Cedex 2, France.
| | - Fanja Rabenoelina
- Unité de Recherche Résistance Induite et Bioprotection des Plantes-EA 4707, Université de Reims Champagne-Ardenne, UFR Sciences Exactes et Naturelles, SFR Condorcet FR CNRS 3417, Moulin de la Housse-Bâtiment 18, BP 1039, 51687 REIMS Cedex 2, France.
| | - Gea Guerriero
- Luxembourg Institute of Science and Technology (LIST), Environmental Research and Innovation (ERIN) Department, 41 rue du Brill, L- 4422 Belvaux, Luxembourg.
| | - Eric Gomès
- Institute of Vine and Wine Sciences, UMR 1287 Ecophysiology and Grape Functional Genomics, University of Bordeaux, INRA 210 Chemin de Leysotte - CS 50008, 33882 Villenave d'Ornon CEDEX, France.
| | - Ludivine Soubigou-Taconnat
- Institute of Plant Sciences Paris Saclay IPS2, CNRS, INRA, Université Paris-Sud, Université Evry, Université Paris-Saclay, Bâtiment 630, 91405 Orsay, France.
| | - Sandrine Balzergue
- Institute of Plant Sciences Paris Saclay IPS2, CNRS, INRA, Université Paris-Sud, Université Evry, Université Paris-Saclay, Bâtiment 630, 91405 Orsay, France.
- Institute of Plant Sciences Paris-Saclay IPS2, Paris Diderot, Sorbonne Paris-Cité, Bâtiment 630, 91405, Orsay, France.
- IRHS, INRA, AGROCAMPUS-Ouest, Université d'Angers, SFR 4207 QUASAV, 42 rue Georges Morel, 49071 Beaucouzé CEDEX, France.
| | - Christophe Clément
- Unité de Recherche Résistance Induite et Bioprotection des Plantes-EA 4707, Université de Reims Champagne-Ardenne, UFR Sciences Exactes et Naturelles, SFR Condorcet FR CNRS 3417, Moulin de la Housse-Bâtiment 18, BP 1039, 51687 REIMS Cedex 2, France.
| | - Essaïd Ait Barka
- Unité de Recherche Résistance Induite et Bioprotection des Plantes-EA 4707, Université de Reims Champagne-Ardenne, UFR Sciences Exactes et Naturelles, SFR Condorcet FR CNRS 3417, Moulin de la Housse-Bâtiment 18, BP 1039, 51687 REIMS Cedex 2, France.
| | - Nathalie Vaillant-Gaveau
- Unité de Recherche Résistance Induite et Bioprotection des Plantes-EA 4707, Université de Reims Champagne-Ardenne, UFR Sciences Exactes et Naturelles, SFR Condorcet FR CNRS 3417, Moulin de la Housse-Bâtiment 18, BP 1039, 51687 REIMS Cedex 2, France.
| | - Cédric Jacquard
- Unité de Recherche Résistance Induite et Bioprotection des Plantes-EA 4707, Université de Reims Champagne-Ardenne, UFR Sciences Exactes et Naturelles, SFR Condorcet FR CNRS 3417, Moulin de la Housse-Bâtiment 18, BP 1039, 51687 REIMS Cedex 2, France.
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Zhou K. Glycosylphosphatidylinositol-Anchored Proteins in Arabidopsis and One of Their Common Roles in Signaling Transduction. FRONTIERS IN PLANT SCIENCE 2019; 10:1022. [PMID: 31555307 PMCID: PMC6726743 DOI: 10.3389/fpls.2019.01022] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 07/22/2019] [Indexed: 05/17/2023]
Abstract
Diverse proteins are found modified with glycosylphosphatidylinositol (GPI) at their carboxyl terminus in eukaryotes, which allows them to associate with membrane lipid bilayers and anchor on the external surface of the plasma membrane. GPI-anchored proteins (GPI-APs) play crucial roles in various processes, and more and more GPI-APs have been identified and studied. In this review, previous genomic and proteomic predictions of GPI-APs in Arabidopsis have been updated, which reveal their high abundance and complexity. From studies of individual GPI-APs in Arabidopsis, certain GPI-APs have been found associated with partner receptor-like kinases (RLKs), targeting RLKs to their subcellular localization and helping to recognize extracellular signaling polypeptide ligands. Interestingly, the association might also be involved in ligand selection. The analyses suggest that GPI-APs are essential and widely involved in signal transduction through association with RLKs.
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57
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Gao Y, Zhang G. A calcium sensor calcineurin B-like 9 negatively regulates cold tolerance via calcium signaling in Arabidopsis thaliana. PLANT SIGNALING & BEHAVIOR 2019; 14:e1573099. [PMID: 30696338 PMCID: PMC6422375 DOI: 10.1080/15592324.2019.1573099] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Calcineurin B-like protein 9 (CBL9) plays important roles in response to ABA, K+ deprivation in plants. However, whether CBL9 modulates plant adaptation to low-temperature stress is elusive. In this study, we demonstrated that the cbl9 mutants increased freezing tolerance under both cold-acclimating and nonacclimating conditions in Arabidopsis. Cold-induced changes of cytosolic free calcium concentration ([Ca2+]cyt) were then monitored by aequorin-expressed Arabidopsis plants. The results showed that the cold-triggered increases in [Ca2+]cyt levels in cbl9 mutants were clearly higher than those in wild type (WT) plants, while cold-affected changes in free calcium concentration within cytosolic microdomains adjacent to the vacuolar membrane ([Ca2+]md) in cbl9 mutants were similar to those in WT plants. In addition, treatments of seedlings with Ca2+ chelator ethylene glycol-bis(2-aminoethylether)-N,N,N',N'-tetraacetic acid (EGTA) and Ca2+ channel blocker lanthanum chloride markedly inhibit changes of [Ca2+]cyt in cbl9 mutants, while the inhibition of calcium release by lithium chloride from intracellular pools demonstrated consistent suppression of [Ca2+]cyt in cbl9 mutants and WT plants. Together, these results indicate that CBL9 negatively modulates cold tolerance through decreasing [Ca2+]cyt in Arabidopsis.
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Affiliation(s)
- Yuanlin Gao
- State Key Laboratory of Cotton Biology, Henan Key Laboratory of Plant Stress Biology, Institute of Nursing and Health, Henan University, Kaifeng, China
| | - Guozeng Zhang
- State Key Laboratory of Cotton Biology, Henan Key Laboratory of Plant Stress Biology, Institute of Nursing and Health, Henan University, Kaifeng, China
- CONTACT Guozeng Zhang State Key Laboratory of Cotton Biology, Henan Key Laboratory of Plant Stress Biology, Institute of Nursing and Health, Henan University, Kaifeng, China
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58
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Zhao HM, Huang HB, Luo YM, Huang CQ, Du H, Xiang L, Cai QY, Li YW, Li H, Mo CH, He Z. Differences in Root Physiological and Proteomic Responses to Dibutyl Phthalate Exposure between Low- and High-DBP-Accumulation Cultivars of Brassica parachinensis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:13541-13551. [PMID: 30525579 DOI: 10.1021/acs.jafc.8b04956] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Di- n-butyl phthalate (DBP), as an endocrine-disrupting chemical that tends to be accumulated in crops, poses great risks to human health through the food chain. To identify the molecular mechanism underlying differences in their DBP accumulation, the root physiological and proteomic responses to DBP stress of two Brassica parachinensis cultivars, a high-DBP accumulator (Huaguan) and a low-DBP accumulator (Lvbao), were investigated. Root damage of greater severity and significantly greater ( p < 0.05) decreases in root protein content and root activity were detected in Lvbao than in Huaguan, suggesting that Lvbao had lower tolerance to DBP. In total, 52 DBP-responsive proteins were identified by two-dimensional electrophoresis and MALDI-TOF mass spectrometry. More proteins involved in basic metabolic processes, such as protein synthesis and energy metabolism, were downregulated in Lvbao, possibly explaining its lower tolerance and root damage. Several proteins involved in starch metabolism, cell-wall biosynthesis and modification, and stress response were activated in Huaguan, suggesting greater tolerance to DBP. Overall, differences in root proteome between the two cultivars might be responsible for the genotype-dependent DBP tolerance and accumulation in B. parachinensis.
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Affiliation(s)
- Hai-Ming Zhao
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology , Jinan University , Guangzhou 510632 , China
- Indian River Research and Education Center, Institute of Food and Agricultural Sciences , University of Florida , Fort Pierce , Florida 34945 , United States
| | - He-Biao Huang
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology , Jinan University , Guangzhou 510632 , China
| | - Yu-Mei Luo
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology , Jinan University , Guangzhou 510632 , China
| | - Chun-Qing Huang
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology , Jinan University , Guangzhou 510632 , China
| | - Huan Du
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology , Jinan University , Guangzhou 510632 , China
| | - Lei Xiang
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology , Jinan University , Guangzhou 510632 , China
| | - Quan-Ying Cai
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology , Jinan University , Guangzhou 510632 , China
| | - Yan-Wen Li
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology , Jinan University , Guangzhou 510632 , China
| | - Hui Li
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology , Jinan University , Guangzhou 510632 , China
| | - Ce-Hui Mo
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology , Jinan University , Guangzhou 510632 , China
| | - Zhenli He
- Indian River Research and Education Center, Institute of Food and Agricultural Sciences , University of Florida , Fort Pierce , Florida 34945 , United States
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Hao X, Tang H, Wang B, Yue C, Wang L, Zeng J, Yang Y, Wang X. Integrative transcriptional and metabolic analyses provide insights into cold spell response mechanisms in young shoots of the tea plant. TREE PHYSIOLOGY 2018; 38:1655-1671. [PMID: 29688561 DOI: 10.1093/treephys/tpy038] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2017] [Accepted: 03/21/2018] [Indexed: 06/08/2023]
Abstract
Green tea has attracted an increasing number of consumers worldwide due to its multiple health benefits. With the increase in global warming, more frequent cold spells in the spring often cause more serious damage to green tea production because of the young leaves used. We recorded the changes in climatic conditions during a typical cold spell and the damage symptoms caused by the cold spell in different tea cultivars and breeding lines. By simulating the low temperature of a cold spell under controlled conditions, comparative transcriptome and metabolic analyses were performed with sprouting shoots. Many pathways and genes were regulated differentially by the cold spell conditions. Taking into account the metabolic analysis, the results suggested that the mitogen-activated protein kinase (MAPK)-dependent ethylene and calcium signalling pathways were two major early cold-responsive mechanisms involved in sprouting shoots and were followed by the induction of the Inducer of CBF Expressions (ICE)-C-repeat binding factors (CBF)-cold-responsive (COR) signalling pathway to augment cold tolerance. During the cold shock, growth, photosynthesis and secondary metabolism-mainly involving flavonoid biosynthesis-were remarkably affected. Notably, the increased starch metabolism, which might be dependent on the high expression of β-amylase3 (BAM3) induced by CBF, played crucial roles in protecting young shoots against freezing cold. A schematic diagram of cold spell response mechanisms specifically involved in the sprouting shoots of the tea plant is ultimately proposed. Some essential transcriptional and metabolic changes were further confirmed in the plant materials under natural cold spell conditions. Our results provide a global view of the reprograming of transcription and metabolism in sprouting tea shoots during a cold spell and meaningful information for future practices.
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Affiliation(s)
- Xinyuan Hao
- National Center for Tea Improvement, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
- Key Laboratory of Tea Biology and Resources Utilization, Ministry of Agriculture, Hangzhou, China
| | - Hu Tang
- National Center for Tea Improvement, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
- Key Laboratory of Tea Biology and Resources Utilization, Ministry of Agriculture, Hangzhou, China
| | - Bo Wang
- National Center for Tea Improvement, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
| | - Chuan Yue
- National Center for Tea Improvement, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
- Key Laboratory of Tea Biology and Resources Utilization, Ministry of Agriculture, Hangzhou, China
- College of Horticulture, Fujian Agriculture and Forestry University/Key Laboratory of Tea Science in Universities of Fujian Province, Fuzhou, China
| | - Lu Wang
- National Center for Tea Improvement, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
- Key Laboratory of Tea Biology and Resources Utilization, Ministry of Agriculture, Hangzhou, China
| | - Jianming Zeng
- National Center for Tea Improvement, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
- Key Laboratory of Tea Biology and Resources Utilization, Ministry of Agriculture, Hangzhou, China
| | - Yajun Yang
- National Center for Tea Improvement, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
- Key Laboratory of Tea Biology and Resources Utilization, Ministry of Agriculture, Hangzhou, China
| | - Xinchao Wang
- National Center for Tea Improvement, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
- Key Laboratory of Tea Biology and Resources Utilization, Ministry of Agriculture, Hangzhou, China
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Zhu W, Gao E, Shaban M, Wang Y, Wang H, Nie X, Zhu L. GhUMC1, a blue copper-binding protein, regulates lignin synthesis and cotton immune response. Biochem Biophys Res Commun 2018; 504:75-81. [DOI: 10.1016/j.bbrc.2018.08.128] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Accepted: 08/21/2018] [Indexed: 02/07/2023]
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Peng D, Zhou B, Jiang Y, Tan X, Yuan D, Zhang L. Enhancing freezing tolerance of Brassica napus L. by overexpression of a stearoyl-acyl carrier protein desaturase gene (SAD) from Sapium sebiferum (L.) Roxb. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2018; 272:32-41. [PMID: 29807604 DOI: 10.1016/j.plantsci.2018.03.028] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 03/25/2018] [Accepted: 03/28/2018] [Indexed: 05/06/2023]
Abstract
Sapium sebiferum (L.) Roxb. is an important woody oil tree and traditional herbal medicine in China. Stearoyl-acyl carrier protein desaturase (SAD) is a dehydrogenase enzyme that plays a key role in the transformation of saturated fatty acids into unsaturated fatty acids in oil; these fatty acids greatly influence the freezing tolerance of plants. However, it remains unclear whether freezing tolerance can be regulated by the expression level of SsSAD in S. sebiferum L. Our research indicated that SsSAD expression in S. sebiferum L. increased under freezing stress. To further confirm this result, we constructed a pEGAD-SsSAD vector and transformed it into B. napus L. W10 by Agrobacterium tumefaciens-mediated transformation. Transgenic plants that overexpressed the SsSAD gene exhibited significantly higher linoleic (18:2) and linolenic acid (18:3) content and advanced freezing tolerance. These results suggest that SsSAD overexpression in B. napus L. can increase the content of polyunsaturated fatty acids (PUFAs) such as linoleic (18:2) and linolenic acid (18:3), which are likely pivotal in improving freezing tolerance in B. napus L. plants. Thus, SsSAD overexpression could be useful in the production of freeze-tolerant varieties of B. napus L.
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Affiliation(s)
- Dan Peng
- College of Bioscience and Biotechnology of Central South University of Forestry and Technology, 410018, Changsha, China; Forestry Biotechnology Hunan Key Laboratories, Hunan Changsha, 410018, China
| | - Bo Zhou
- College of Bioscience and Biotechnology of Central South University of Forestry and Technology, 410018, Changsha, China; Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, 410018, Changsha, China; Collaborative Innovation Central of Cultivation and Utilization for Non-Wood Forest Tree Central South University of Forestry and Technology, 410018, Changsha, China; Forestry Biotechnology Hunan Key Laboratories, Hunan Changsha, 410018, China.
| | - Yueqiao Jiang
- College of Bioscience and Biotechnology of Central South University of Forestry and Technology, 410018, Changsha, China
| | - XiaoFeng Tan
- Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, 410018, Changsha, China; Collaborative Innovation Central of Cultivation and Utilization for Non-Wood Forest Tree Central South University of Forestry and Technology, 410018, Changsha, China
| | - DeYi Yuan
- Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, 410018, Changsha, China; Collaborative Innovation Central of Cultivation and Utilization for Non-Wood Forest Tree Central South University of Forestry and Technology, 410018, Changsha, China
| | - Lin Zhang
- Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees, Ministry of Education, Central South University of Forestry and Technology, 410018, Changsha, China; Collaborative Innovation Central of Cultivation and Utilization for Non-Wood Forest Tree Central South University of Forestry and Technology, 410018, Changsha, China
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Park J, Lim CJ, Shen M, Park HJ, Cha JY, Iniesto E, Rubio V, Mengiste T, Zhu JK, Bressan RA, Lee SY, Lee BH, Jin JB, Pardo JM, Kim WY, Yun DJ. Epigenetic switch from repressive to permissive chromatin in response to cold stress. Proc Natl Acad Sci U S A 2018; 115:E5400-E5409. [PMID: 29784800 PMCID: PMC6003311 DOI: 10.1073/pnas.1721241115] [Citation(s) in RCA: 113] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Switching from repressed to active status in chromatin regulation is part of the critical responses that plants deploy to survive in an ever-changing environment. We previously reported that HOS15, a WD40-repeat protein, is involved in histone deacetylation and cold tolerance in Arabidopsis However, it remained unknown how HOS15 regulates cold responsive genes to affect cold tolerance. Here, we show that HOS15 interacts with histone deacetylase 2C (HD2C) and both proteins together associate with the promoters of cold-responsive COR genes, COR15A and COR47 Cold induced HD2C degradation is mediated by the CULLIN4 (CUL4)-based E3 ubiquitin ligase complex in which HOS15 acts as a substrate receptor. Interference with the association of HD2C and the COR gene promoters by HOS15 correlates with increased acetylation levels of histone H3. HOS15 also interacts with CBF transcription factors to modulate cold-induced binding to the COR gene promoters. Our results here demonstrate that cold induces HOS15-mediated chromatin modifications by degrading HD2C. This switches the chromatin structure status and facilitates recruitment of CBFs to the COR gene promoters. This is an apparent requirement to acquire cold tolerance.
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Affiliation(s)
- Junghoon Park
- Department of Biomedical Science and Engineering, Konkuk University, 05029 Seoul, South Korea
- Division of Applied Life Science (BK21 plus Program), Plant Molecular Biology and Biotechnology Research Center, Institute of Agriculture and Life Science, Gyeongsang National University, 52828 Jinju, Republic of Korea
| | - Chae Jin Lim
- Department of Biomedical Science and Engineering, Konkuk University, 05029 Seoul, South Korea
- Division of Applied Life Science (BK21 plus Program), Plant Molecular Biology and Biotechnology Research Center, Institute of Agriculture and Life Science, Gyeongsang National University, 52828 Jinju, Republic of Korea
| | - Mingzhe Shen
- Division of Applied Life Science (BK21 plus Program), Plant Molecular Biology and Biotechnology Research Center, Institute of Agriculture and Life Science, Gyeongsang National University, 52828 Jinju, Republic of Korea
| | - Hee Jin Park
- Department of Biomedical Science and Engineering, Konkuk University, 05029 Seoul, South Korea
- Institute of Glocal Disease Control, Konkuk University, 05029 Seoul, Republic of Korea
| | - Joon-Yung Cha
- Division of Applied Life Science (BK21 plus Program), Plant Molecular Biology and Biotechnology Research Center, Institute of Agriculture and Life Science, Gyeongsang National University, 52828 Jinju, Republic of Korea
| | - Elisa Iniesto
- Plant Molecular Genetics Department, Centro Nacional de Biotecnología-Consejo Superior de Investigaciones Cientificas, Campus de la Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain
| | - Vicente Rubio
- Plant Molecular Genetics Department, Centro Nacional de Biotecnología-Consejo Superior de Investigaciones Cientificas, Campus de la Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain
| | - Tesfaye Mengiste
- Department of Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907
| | - Jian-Kang Zhu
- Department of Horticulture and Landscape Architecture, Purdue University, West Lafayette, IN 47907
| | - Ray A Bressan
- Department of Horticulture and Landscape Architecture, Purdue University, West Lafayette, IN 47907
| | - Sang Yeol Lee
- Division of Applied Life Science (BK21 plus Program), Plant Molecular Biology and Biotechnology Research Center, Institute of Agriculture and Life Science, Gyeongsang National University, 52828 Jinju, Republic of Korea
| | - Byeong-Ha Lee
- Department of Life Science, Sogang University, 04107 Seoul, South Korea
| | - Jing Bo Jin
- Institute of Botany, Chinese Academy of Sciences, 100093 Beijing, China
| | - Jose M Pardo
- Institute of Plant Biochemistry and Photosynthesis, Consejo Superior de Investigaciones Cientificas, 41092 Seville, Spain
| | - Woe-Yeon Kim
- Division of Applied Life Science (BK21 plus Program), Plant Molecular Biology and Biotechnology Research Center, Institute of Agriculture and Life Science, Gyeongsang National University, 52828 Jinju, Republic of Korea
| | - Dae-Jin Yun
- Department of Biomedical Science and Engineering, Konkuk University, 05029 Seoul, South Korea;
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Chen J, Chen X, Zhang Q, Zhang Y, Ou X, An L, Feng H, Zhao Z. A cold-induced pectin methyl-esterase inhibitor gene contributes negatively to freezing tolerance but positively to salt tolerance in Arabidopsis. JOURNAL OF PLANT PHYSIOLOGY 2018; 222:67-78. [PMID: 29407551 DOI: 10.1016/j.jplph.2018.01.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2017] [Revised: 01/15/2018] [Accepted: 01/15/2018] [Indexed: 05/24/2023]
Abstract
Plant pectin methyl-esterase (PME) and PME inhibitor (PMEI) belong to large gene families whose members are proposed to be widely involved in growth, development, and stress responses; however, the biological functions of most PMEs and PMEIs have not been characterized. In this study, we studied the roles of CbPMEI1, a cold-induced pectin methyl-esterase inhibitor (PMEI) gene from Chorispora bungeana, under freezing and salt stress. The putative CbPMEI1 peptide shares highest similarity (83%) with AT5G62360 (PMEI13) of Arabidopsis. Overexpression of either CbPMEI1 or PMEI13 in Arabidopsis decreased tissue PME activity and enhanced the degree of methoxylation of cell wall pectins, indicating that both genes encode functional PMEIs. CbPMEI1 and PMEI13 were induced by cold but repressed by salt stress and abscisic acid, suggesting distinct roles of the genes in freezing and salt stress tolerance. Interestingly, transgenic Arabidopsis plants overexpressing CbPMEI1 or PMEI13 showed decreased freezing tolerance, as indicated by survival and electrolyte leakage assays. On the other hand, the salt tolerance of transgenic plants was increased, showing higher rates of germination, root growth, and survival under salinity conditions as compared with non-transgenic wild-type plants. Although the transgenic plants were freezing-sensitive, they showed longer roots than wild-type plants under cold conditions, suggesting a role of PMEs in balancing the trade-off between freezing tolerance and growth. Thus, our study indicates that CbPMEI1 and PMEI13 are involved in root growth regulation under cold and salt stresses, and suggests that PMEIs may be potential targets for genetic engineering aimed to improve fitness of plants under stress conditions.
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Affiliation(s)
- Jian Chen
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Xuehui Chen
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Qingfeng Zhang
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Yidan Zhang
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Xiangli Ou
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Lizhe An
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Huyuan Feng
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou 730000, China.
| | - Zhiguang Zhao
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Sciences, Lanzhou University, Lanzhou 730000, China.
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Megha S, Basu U, Kav NNV. Regulation of low temperature stress in plants by microRNAs. PLANT, CELL & ENVIRONMENT 2018; 41:1-15. [PMID: 28346818 DOI: 10.1111/pce.12956] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Revised: 03/15/2017] [Accepted: 03/17/2017] [Indexed: 05/22/2023]
Abstract
Low temperature is one of the most common environmental stresses that seriously affect the growth and development of plants. However, plants have the plasticity in their defence mechanisms enabling them to tolerate and, sometimes, even survive adverse environmental conditions. MicroRNAs (miRNAs) are small non-coding RNAs, approximately 18-24 nucleotides in length, and are being increasingly recognized as regulators of gene expression at the post-transcriptional level and have the ability to influence a broad range of biological processes. There is growing evidence in the literature that reprogramming of gene expression mediated through miRNAs is a major defence mechanism in plants enabling them to respond to stresses. To date, numerous studies have established the importance of miRNA-based regulation of gene expression under low temperature stress. Individual miRNAs can modulate the expression of multiple mRNA targets, and, therefore, the manipulation of a single miRNA has the potential to affect multiple biological processes. Numerous functional studies have attempted to identify the miRNA-target interactions and have elaborated the role of several miRNAs in cold-stress regulation. This review summarizes the current understanding of miRNA-mediated modulation of the expression of key genes as well as genetic and regulatory pathways, involved in low temperature stress responses in plants.
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Affiliation(s)
- Swati Megha
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, T6G 2P5, Canada
| | - Urmila Basu
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, T6G 2P5, Canada
| | - Nat N V Kav
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, T6G 2P5, Canada
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65
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Ibort P, Imai H, Uemura M, Aroca R. Proteomic analysis reveals that tomato interaction with plant growth promoting bacteria is highly determined by ethylene perception. JOURNAL OF PLANT PHYSIOLOGY 2018; 220:43-59. [PMID: 29145071 DOI: 10.1016/j.jplph.2017.10.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2017] [Revised: 10/27/2017] [Accepted: 10/27/2017] [Indexed: 06/07/2023]
Abstract
Feeding an increasing global population as well as reducing environmental impact of crops is the challenge for the sustainable intensification of agriculture. Plant-growth-promoting bacteria (PGPB) management could represent a suitable method but elucidation of their action mechanisms is essential for a proper and effective utilization. Furthermore, ethylene is involved in growth and response to environmental stimuli but little is known about the implication of ethylene perception in PGPB activity. The ethylene-insensitive tomato never ripe and its isogenic wild-type cv. Pearson lines inoculated with Bacillus megaterium or Enterobacter sp. C7 strains were grown until mature stage to analyze growth promotion, and bacterial inoculation effects on root proteomic profiles. Enterobacter C7 promoted growth in both plant genotypes, meanwhile Bacillus megaterium PGPB activity was only noticed in wt plants. Moreover, PGPB inoculation affected proteomic profile in a strain- and genotype-dependent manner modifying levels of stress-related and interaction proteins, and showing bacterial inoculation effects on antioxidant content and phosphorus acquisition capacity. Ethylene perception is essential for properly recognition of Bacillus megaterium and growth promotion mediated in part by increased levels of reduced glutathione. In contrast, Enterobacter C7 inoculation improves phosphorus nutrition keeping plants on growth independently of ethylene sensitivity.
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Affiliation(s)
- Pablo Ibort
- Departamento de Microbiología del Suelo y Sistemas Simbióticos, Estación Experimental del Zaidín (EEZ-CSIC), Profesor Albareda 1, 18008 Granada, Spain.
| | - Hiroyuki Imai
- United Graduate School of Agricultural Sciences, Iwate University, Morioka, Iwate 020-8550, Japan; Cryobiofrontier Research Center, Faculty of Agriculture, Iwate University, 3-18-8 Ueda, Morioka, Iwate 020-8550, Japan.
| | - Matsuo Uemura
- United Graduate School of Agricultural Sciences, Iwate University, Morioka, Iwate 020-8550, Japan; Cryobiofrontier Research Center, Faculty of Agriculture, Iwate University, 3-18-8 Ueda, Morioka, Iwate 020-8550, Japan.
| | - Ricardo Aroca
- Departamento de Microbiología del Suelo y Sistemas Simbióticos, Estación Experimental del Zaidín (EEZ-CSIC), Profesor Albareda 1, 18008 Granada, Spain.
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66
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Takahashi D, Uemura M, Kawamura Y. Freezing Tolerance of Plant Cells: From the Aspect of Plasma Membrane and Microdomain. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1081:61-79. [PMID: 30288704 DOI: 10.1007/978-981-13-1244-1_4] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Freezing stress is accompanied by a state change from water to ice and has multiple facets causing dehydration; consequently, hyperosmotic and mechanical stresses coupled with unfavorable chilling stress act in a parallel way. Freezing tolerance varies widely among plant species, and, for example, most temperate plants can overcome deleterious effects caused by freezing temperatures in winter. Destabilization and dysfunction of the plasma membrane are tightly linked to freezing injury of plant cells. Plant freezing tolerance increases upon exposure to nonfreezing low temperatures (cold acclimation). Recent studies have unveiled pleiotropic responses of plasma membrane lipids and proteins to cold acclimation. In addition, advanced techniques have given new insights into plasma membrane structural non-homogeneity, namely, microdomains. This chapter describes physiological implications of plasma membrane responses enhancing freezing tolerance during cold acclimation, with a focus on microdomains.
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Affiliation(s)
- Daisuke Takahashi
- Central Infrastructure Group Genomics and Transcript Profiling, Max-Planck-Institute of Molecular Plant Physiology, Potsdam, Germany
| | - Matsuo Uemura
- United Graduate School of Agricultural Sciences and Department of Plant-biosciences, Faculty of Agriculture, Iwate University, Morioka, Japan
| | - Yukio Kawamura
- Cryobiofrontier Research Center and Department of Plant-biosciences, and United Graduate School of Agricultural Sciences, Iwate University, Morioka, Iwate, Japan.
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Duruflé H, Hervé V, Ranocha P, Balliau T, Zivy M, Chourré J, San Clemente H, Burlat V, Albenne C, Déjean S, Jamet E, Dunand C. Cell wall modifications of two Arabidopsis thaliana ecotypes, Col and Sha, in response to sub-optimal growth conditions: An integrative study. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2017; 263:183-193. [PMID: 28818374 DOI: 10.1016/j.plantsci.2017.07.015] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 07/12/2017] [Accepted: 07/18/2017] [Indexed: 05/20/2023]
Abstract
With the global temperature change, plant adaptations are predicted, but little is known about the molecular mechanisms underlying them. Arabidopsis thaliana is a model plant adapted to various environmental conditions, in particular able to develop along an altitudinal gradient. Two ecotypes, Columbia (Col) growing at low altitude, and Shahdara (Sha) growing at 3400m, have been studied at optimal and sub-optimal growth temperature (22°C vs 15°C). Macro- and micro-phenotyping, cell wall monosaccharides analyses, cell wall proteomics, and transcriptomics have been performed in order to accomplish an integrative analysis. The analysis has been focused on cell walls (CWs) which are assumed to play roles in response to environmental changes. At 15°C, both ecotypes presented characteristic morphological traits of low temperature growth acclimation such as reduced rosette diameter, increased number of leaves, modifications of their CW composition and cuticle reinforcement. Altogether, the integrative analysis has allowed identifying several candidate genes/proteins possibly involved in the cell wall modifications observed during the temperature acclimation response.
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Affiliation(s)
- Harold Duruflé
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, 24 chemin de Borde Rouge, Auzeville, BP42617, 31326 Castanet-Tolosan, France
| | - Vincent Hervé
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, 24 chemin de Borde Rouge, Auzeville, BP42617, 31326 Castanet-Tolosan, France
| | - Philippe Ranocha
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, 24 chemin de Borde Rouge, Auzeville, BP42617, 31326 Castanet-Tolosan, France
| | - Thierry Balliau
- CNRS, PAPPSO, UMR 0320/UMR 8120 Génétique Végétale, 91190 Gif sur Yvette, France; INRA, PAPPSO, UMR 0320/UMR 8120 Génétique Végétale, 91190 Gif sur Yvette, France
| | - Michel Zivy
- CNRS, PAPPSO, UMR 0320/UMR 8120 Génétique Végétale, 91190 Gif sur Yvette, France; INRA, PAPPSO, UMR 0320/UMR 8120 Génétique Végétale, 91190 Gif sur Yvette, France
| | - Josiane Chourré
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, 24 chemin de Borde Rouge, Auzeville, BP42617, 31326 Castanet-Tolosan, France
| | - Hélène San Clemente
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, 24 chemin de Borde Rouge, Auzeville, BP42617, 31326 Castanet-Tolosan, France
| | - Vincent Burlat
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, 24 chemin de Borde Rouge, Auzeville, BP42617, 31326 Castanet-Tolosan, France
| | - Cécile Albenne
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, 24 chemin de Borde Rouge, Auzeville, BP42617, 31326 Castanet-Tolosan, France
| | - Sébastien Déjean
- Institut de Mathématique de Toulouse, Université de Toulouse, CNRS, UPS, 31062 Toulouse, France
| | - Elisabeth Jamet
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, 24 chemin de Borde Rouge, Auzeville, BP42617, 31326 Castanet-Tolosan, France.
| | - Christophe Dunand
- Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, 24 chemin de Borde Rouge, Auzeville, BP42617, 31326 Castanet-Tolosan, France.
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Zhang H, Yin L, Wang H, Wang G, Ma X, Li M, Wu H, Fu Q, Zhang Y, Yi H. Genome-wide identification of Hami melon miRNAs with putative roles during fruit development. PLoS One 2017; 12:e0180600. [PMID: 28742088 PMCID: PMC5524408 DOI: 10.1371/journal.pone.0180600] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Accepted: 06/16/2017] [Indexed: 11/19/2022] Open
Abstract
MicroRNAs represent a family of small endogenous, non-coding RNAs that play critical regulatory roles in plant growth, development, and environmental stress responses. Hami melon is famous for its attractive flavor and excellent nutritional value, however, the mechanisms underlying the fruit development and ripening remains largely unknown. Here, we performed small RNA sequencing to investigate the roles of miRNAs during Hami melon fruit development. Two batches of flesh samples were collected at four fruit development stages. Small RNA sequencing yielded a total of 54,553,424 raw reads from eight libraries. 113 conserved miRNAs belonging to 30 miRNA families and nine novel miRNAs comprising nine miRNA families were identified. The expression of 42 conserved miRNAs and three Hami melon-specific miRNAs significantly changed during fruit development. Furthermore, 484 and 124 melon genes were predicted as putative targets of 29 conserved and nine Hami melon-specific miRNA families, respectively. GO enrichment analysis were performed on target genes, "transcription, DNA-dependent", "rRNA processing", "oxidation reduction", "signal transduction", "regulation of transcription, DNA-dependent", and "metabolic process" were the over-represented biological process terms. Cleavage sites of six target genes were validated using 5' RACE. Our results present a comprehensive set of identification and characterization of Hami melon fruit miRNAs and their potential targets, which provide valuable basis towards understanding the regulatory mechanisms in programmed process of normal Hami fruit development and ripening. Specific miRNAs could be selected for further research and applications in breeding practices.
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Affiliation(s)
- Hong Zhang
- Hami Melon Research Center, Xinjiang Academy of Agricultural Sciences, Urumqi, Xinjiang, China
| | - Lan Yin
- ABLife, Inc., Wuhan, Hubei, China
| | - Huaisong Wang
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Guangzhi Wang
- Hami Melon Research Center, Xinjiang Academy of Agricultural Sciences, Urumqi, Xinjiang, China
| | - Xinli Ma
- Hami Melon Research Center, Xinjiang Academy of Agricultural Sciences, Urumqi, Xinjiang, China
| | - Meihua Li
- Hami Melon Research Center, Xinjiang Academy of Agricultural Sciences, Urumqi, Xinjiang, China
| | - Haibo Wu
- Hami Melon Research Center, Xinjiang Academy of Agricultural Sciences, Urumqi, Xinjiang, China
| | - Qiushi Fu
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yi Zhang
- ABLife, Inc., Wuhan, Hubei, China
| | - Hongping Yi
- Hami Melon Research Center, Xinjiang Academy of Agricultural Sciences, Urumqi, Xinjiang, China
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69
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Su C, Yuan J, Zhao H, Zhao Y, Ji H, Wang Y, Li X. RUG3 is a negative regulator of plant responses to ABA in Arabidopsis thaliana. PLANT SIGNALING & BEHAVIOR 2017; 12:e1333217. [PMID: 28613105 PMCID: PMC5566355 DOI: 10.1080/15592324.2017.1333217] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Mitochondria is a main target of various stressors. Dysfunction of mitochondria stimulates overproduction of reactive oxygen species (ROS), which can cause oxidative damage to mitochondria and DNA. Recently, we demonstrated that RCC1/UVR8/GEF-like 3 (RUG3), a member of the Regulator of Chromatin Condensation 1 (RCC1) protein family, can directly interact with ataxia telangiectasia mutated (ATM), a key regulator of the DNA damage response (DDR), and synergistically regulates the alternative splicing of mitochondrial nad2. Aberrant ROS accumulation and mitochondrial dysfunction result in root growth retardation and increased DDR. Here we reveal that RUG3 mutations increased plant responses to ABA during seed germination and post-germinative growth. Our findings identify RUG3 as a novel regulator of ABA signaling pathway in Arabidopsis thaliana.
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Affiliation(s)
- Chao Su
- State Key Laboratory of Agricultural Microbiology, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, P.R. China
- Center for Agricultural Research Resources, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Hebei, P.R. China
- University of Chinese Academy of Sciences, Beijing, P.R. China
| | - Jinhong Yuan
- State Key Laboratory of Agricultural Microbiology, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, P.R. China
| | - Hongtao Zhao
- College of Life Sciences, Hebei Normal University, Hebei, P.R. China
| | - Yankun Zhao
- Shijiazhuang Academy of Agricultural and Forestry Sciences, Hebei, P.R. China
| | - Hongtao Ji
- State Key Laboratory of Agricultural Microbiology, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, P.R. China
| | - Youning Wang
- State Key Laboratory of Agricultural Microbiology, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, P.R. China
| | - Xia Li
- State Key Laboratory of Agricultural Microbiology, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, P.R. China
- CONTACT Xia Li State Key Laboratory of Agricultural Microbiology, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, P.R. China.
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Su C, Zhao H, Zhao Y, Ji H, Wang Y, Zhi L, Li X. RUG3 and ATM synergistically regulate the alternative splicing of mitochondrial nad2 and the DNA damage response in Arabidopsis thaliana. Sci Rep 2017; 7:43897. [PMID: 28262819 PMCID: PMC5338318 DOI: 10.1038/srep43897] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Accepted: 01/30/2017] [Indexed: 01/10/2023] Open
Abstract
The root apical meristem (RAM) determines both RAM activity and the growth of roots. Plant roots are constantly exposed to adverse environmental stresses that can cause DNA damage or cell cycle arrest in the RAM; however, the mechanism linking root meristematic activity and RAM size to the DNA damage response (DDR) is unclear. Here, we demonstrate that a loss of function in RCC1/UVR8/GEF-Like 3 (RUG3) substantially augmented the DDR and produced a cell cycle arrest in the RAM in rug3 mutant, leading to root growth retardation. Furthermore, the mutation of RUG3 caused increased intracellular reactive oxygen species (ROS) levels, and ROS scavengers improved the observed cell cycle arrest and reduced RAM activity level in rug3 plants. Most importantly, we detected a physical interaction between RUG3 and ataxia telangiectasia mutated (ATM), a key regulator of the DDR, suggesting that they synergistically modulated the alternative splicing of nad2. Our findings reveal a novel synergistic effect of RUG3 and ATM on the regulation of mitochondrial function, redox homeostasis, and the DDR in the RAM, and outline a protective mechanism for DNA damage repair and the restoration of mitochondrial function that involves RUG3-mediated mitochondrial retrograde signaling and the activation of an ATM-mediated DDR pathway.
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Affiliation(s)
- Chao Su
- State Key Laboratory of Agricultural Microbiology, College of Plant Science and Technology Huazhong Agricultural University, Wuhan 430070, P.R. China.,Center for Agricultural Research Resources, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Hebei 050021, P.R. China
| | - Hongtao Zhao
- Center for Agricultural Research Resources, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Hebei 050021, P.R. China.,College of Life Sciences, Hebei Normal University, Hebei 050024, P.R. China
| | - Yankun Zhao
- Center for Agricultural Research Resources, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Hebei 050021, P.R. China.,Shijiazhuang Academy of Agricultural and Forestry Sciences, Hebei 050041, P.R. China
| | - Hongtao Ji
- State Key Laboratory of Agricultural Microbiology, College of Plant Science and Technology Huazhong Agricultural University, Wuhan 430070, P.R. China
| | - Youning Wang
- State Key Laboratory of Agricultural Microbiology, College of Plant Science and Technology Huazhong Agricultural University, Wuhan 430070, P.R. China
| | - Liya Zhi
- Center for Agricultural Research Resources, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Hebei 050021, P.R. China
| | - Xia Li
- State Key Laboratory of Agricultural Microbiology, College of Plant Science and Technology Huazhong Agricultural University, Wuhan 430070, P.R. China
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71
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Hu Y, Jiang Y, Han X, Wang H, Pan J, Yu D. Jasmonate regulates leaf senescence and tolerance to cold stress: crosstalk with other phytohormones. JOURNAL OF EXPERIMENTAL BOTANY 2017; 68:1361-1369. [PMID: 28201612 DOI: 10.1093/jxb/erx004] [Citation(s) in RCA: 231] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Accepted: 01/17/2017] [Indexed: 05/20/2023]
Abstract
Plants are challenged with numerous abiotic stresses, such as drought, cold, heat, and salt stress. These environmental stresses are major causes of crop failure and reduced yields worldwide. Phytohormones play essential roles in regulating various plant physiological processes and alleviating stressful perturbations. Jasmonate (JA), a group of oxylipin compounds ubiquitous in the plant kingdom, acts as a crucial signal to modulate multiple plant processes. Recent studies have shown evidence supporting the involvement of JA in leaf senescence and tolerance to cold stress. Concentrations of JA are much higher in senescent leaves compared with those in non-senescent ones. Treatment with exogenous JA induces leaf senescence and expression of senescence-associated genes. In response to cold stress, exogenous application of JA enhances Arabidopsis freezing tolerance with or without cold acclimation. Consistently, biosynthesis of endogenous JA is activated in response to cold exposure. JA positively regulates the CBF (C-REPEAT BINDING FACTOR) transcriptional pathway to up-regulate downstream cold-responsive genes and ultimately improve cold tolerance. JA interacts with other hormone signaling pathways (such as auxin, ethylene, and gibberellin) to regulate leaf senescence and tolerance to cold stress. In this review, we summarize recent studies that have provided insights into JA-mediated leaf senescence and cold-stress tolerance.
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Affiliation(s)
- Yanru Hu
- Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
| | - Yanjuan Jiang
- Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
| | - Xiao Han
- Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
| | - Houping Wang
- Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
| | - Jinjing Pan
- Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
| | - Diqiu Yu
- Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
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72
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Jha UC, Bohra A, Jha R. Breeding approaches and genomics technologies to increase crop yield under low-temperature stress. PLANT CELL REPORTS 2017; 36:1-35. [PMID: 27878342 DOI: 10.1007/s00299-016-2073-0] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Accepted: 11/04/2016] [Indexed: 05/11/2023]
Abstract
Improved knowledge about plant cold stress tolerance offered by modern omics technologies will greatly inform future crop improvement strategies that aim to breed cultivars yielding substantially high under low-temperature conditions. Alarmingly rising temperature extremities present a substantial impediment to the projected target of 70% more food production by 2050. Low-temperature (LT) stress severely constrains crop production worldwide, thereby demanding an urgent yet sustainable solution. Considerable research progress has been achieved on this front. Here, we review the crucial cellular and metabolic alterations in plants that follow LT stress along with the signal transduction and the regulatory network describing the plant cold tolerance. The significance of plant genetic resources to expand the genetic base of breeding programmes with regard to cold tolerance is highlighted. Also, the genetic architecture of cold tolerance trait as elucidated by conventional QTL mapping and genome-wide association mapping is described. Further, global expression profiling techniques including RNA-Seq along with diverse omics platforms are briefly discussed to better understand the underlying mechanism and prioritize the candidate gene (s) for downstream applications. These latest additions to breeders' toolbox hold immense potential to support plant breeding schemes that seek development of LT-tolerant cultivars. High-yielding cultivars endowed with greater cold tolerance are urgently required to sustain the crop yield under conditions severely challenged by low-temperature.
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Affiliation(s)
- Uday Chand Jha
- Indian Institute of Pulses Research, Kanpur, 208024, India.
| | - Abhishek Bohra
- Indian Institute of Pulses Research, Kanpur, 208024, India.
| | - Rintu Jha
- Indian Institute of Pulses Research, Kanpur, 208024, India
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73
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Chen C, Zhang Y, Xu Z, Luan A, Mao Q, Feng J, Xie T, Gong X, Wang X, Chen H, He Y. Transcriptome Profiling of the Pineapple under Low Temperature to Facilitate Its Breeding for Cold Tolerance. PLoS One 2016; 11:e0163315. [PMID: 27656892 PMCID: PMC5033252 DOI: 10.1371/journal.pone.0163315] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2016] [Accepted: 09/07/2016] [Indexed: 12/18/2022] Open
Abstract
The pineapple (Ananas comosus) is cold sensitive. Most cultivars are injured during winter periods, especially in sub-tropical regions. There is a lack of molecular information on the pineapple's response to cold stress. In this study, high-throughput transcriptome sequencing and gene expression analysis were performed on plantlets of a cold-tolerant genotype of the pineapple cultivar 'Shenwan' before and after cold treatment. A total of 1,186 candidate cold responsive genes were identified, and their credibility was confirmed by RT-qPCR. Gene set functional enrichment analysis indicated that genes related to cell wall properties, stomatal closure and ABA and ROS signal transduction play important roles in pineapple cold tolerance. In addition, a protein association network of CORs (cold responsive genes) was predicted, which could serve as an entry point to dissect the complex cold response network. Our study found a series of candidate genes and their association network, which will be helpful to cold stress response studies and pineapple breeding for cold tolerance.
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Affiliation(s)
- Chengjie Chen
- College of Horticulture, South China Agricultural University, Guangzhou, 510642, Guangdong, P.R. China
| | - Yafeng Zhang
- College of Horticulture, South China Agricultural University, Guangzhou, 510642, Guangdong, P.R. China
| | - Zhiqiang Xu
- College of Horticulture, South China Agricultural University, Guangzhou, 510642, Guangdong, P.R. China
| | - Aiping Luan
- College of Horticulture, South China Agricultural University, Guangzhou, 510642, Guangdong, P.R. China
| | - Qi Mao
- College of Horticulture, South China Agricultural University, Guangzhou, 510642, Guangdong, P.R. China
| | - Junting Feng
- College of Horticulture, South China Agricultural University, Guangzhou, 510642, Guangdong, P.R. China
| | - Tao Xie
- College of Horticulture, South China Agricultural University, Guangzhou, 510642, Guangdong, P.R. China
| | - Xue Gong
- College of Horticulture, South China Agricultural University, Guangzhou, 510642, Guangdong, P.R. China
| | - Xiaoshuang Wang
- College of Horticulture, South China Agricultural University, Guangzhou, 510642, Guangdong, P.R. China
| | - Hao Chen
- College of Horticulture, South China Agricultural University, Guangzhou, 510642, Guangdong, P.R. China
| | - Yehua He
- College of Horticulture, South China Agricultural University, Guangzhou, 510642, Guangdong, P.R. China
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74
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Takahashi D, Kawamura Y, Uemura M. Cold acclimation is accompanied by complex responses of glycosylphosphatidylinositol (GPI)-anchored proteins in Arabidopsis. JOURNAL OF EXPERIMENTAL BOTANY 2016; 67:5203-15. [PMID: 27471282 PMCID: PMC5014161 DOI: 10.1093/jxb/erw279] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Cold acclimation results in changes of the plasma membrane (PM) composition. The PM is considered to contain specific lipid/protein-enriched microdomains which can be extracted as detergent-resistant plasma membrane (DRM). Previous studies in animal cells have demonstrated that glycosylphosphatidylinositol-anchored proteins (GPI-APs) can be targeted to microdomains and/or the apoplast. However, the functional significance of GPI-APs during cold acclimation in plants is not yet fully understood. In this study, we aimed to investigate the responsiveness of GPI-APs to cold acclimation treatment in Arabidopsis We isolated the PM, DRM, and apoplast fractions separately and, in addition, GPI-AP-enriched fractions were prepared from the PM preparation. Label-free quantitative shotgun proteomics identified a number of GPI-APs (163 proteins). Among them, some GPI-APs such as fasciclin-like arabinogalactan proteins and glycerophosphoryldiester phosphodiesterase-like proteins predominantly increased in PM- and GPI-AP-enriched fractions while the changes of GPI-APs in the DRM and apoplast fractions during cold acclimation were considerably different from those of other fractions. These proteins are thought to be associated with cell wall structure and properties. Therefore, this study demonstrated that each GPI-AP responded to cold acclimation in a different manner, suggesting that these changes during cold acclimation are involved in rearrangement of the extracellular matrix including the cell wall towards acquisition of freezing tolerance.
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Affiliation(s)
- Daisuke Takahashi
- United Graduate School of Agricultural Sciences, Iwate University, 3-18-8 Ueda, Morioka, Iwate 020-8550, Japan Cryobiofrontier Research Center, Iwate University, 3-18-8 Ueda, Morioka, Iwate 020-8550, Japan Max-Planck-Institut für Molekulare Pflanzenphysiologie, D -14476 Potsdam, Germany
| | - Yukio Kawamura
- United Graduate School of Agricultural Sciences, Iwate University, 3-18-8 Ueda, Morioka, Iwate 020-8550, Japan Cryobiofrontier Research Center, Iwate University, 3-18-8 Ueda, Morioka, Iwate 020-8550, Japan
| | - Matsuo Uemura
- United Graduate School of Agricultural Sciences, Iwate University, 3-18-8 Ueda, Morioka, Iwate 020-8550, Japan Cryobiofrontier Research Center, Iwate University, 3-18-8 Ueda, Morioka, Iwate 020-8550, Japan
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75
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Barnes AC, Benning C, Roston RL. Chloroplast Membrane Remodeling during Freezing Stress Is Accompanied by Cytoplasmic Acidification Activating SENSITIVE TO FREEZING2. PLANT PHYSIOLOGY 2016; 171:2140-9. [PMID: 27233750 PMCID: PMC4936559 DOI: 10.1104/pp.16.00286] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Accepted: 05/23/2016] [Indexed: 05/21/2023]
Abstract
Low temperature is a seasonal abiotic stress that restricts native plant ranges and crop distributions. Two types of low-temperature stress can be distinguished: chilling and freezing. Much work has been done on the mechanisms by which chilling is sensed, but relatively little is known about how plants sense freezing. Recently, Arabidopsis (Arabidopsis thaliana) SENSITIVE TO FREEZING2 (SFR2) was identified as a protein that responds in a nontranscriptional manner to freezing. Here, we investigate the cellular conditions that allow SFR2 activation. Using a combination of isolated organelle, whole-tissue, and whole-plant assays, we provide evidence that SFR2 is activated by changes in cytosolic pH and Mg(2+) Manipulation of pH and Mg(2+) in cold-acclimated plants is shown to cause changes similar to those of freezing. We conclude that pH and Mg(2+) are perceived as intracellular cues as part of the sensing mechanism for freezing conditions. This evidence provides a specific molecular mechanism to combat freezing.
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Affiliation(s)
- Allison C Barnes
- Department of Biochemistry, University of Nebraska, Lincoln, Nebraska 68588 (A.C.B., R.L.R.); andMichigan State University-Department of Energy Plant Research Laboratory, Michigan State University, Plant Biology Laboratories, East Lansing, Michigan 48824 (C.B.)
| | - Christoph Benning
- Department of Biochemistry, University of Nebraska, Lincoln, Nebraska 68588 (A.C.B., R.L.R.); andMichigan State University-Department of Energy Plant Research Laboratory, Michigan State University, Plant Biology Laboratories, East Lansing, Michigan 48824 (C.B.)
| | - Rebecca L Roston
- Department of Biochemistry, University of Nebraska, Lincoln, Nebraska 68588 (A.C.B., R.L.R.); andMichigan State University-Department of Energy Plant Research Laboratory, Michigan State University, Plant Biology Laboratories, East Lansing, Michigan 48824 (C.B.)
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76
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Firtzlaff V, Oberländer J, Geiselhardt S, Hilker M, Kunze R. Pre-exposure of Arabidopsis to the abiotic or biotic environmental stimuli "chilling" or "insect eggs" exhibits different transcriptomic responses to herbivory. Sci Rep 2016; 6:28544. [PMID: 27329974 PMCID: PMC4916510 DOI: 10.1038/srep28544] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Accepted: 06/03/2016] [Indexed: 12/28/2022] Open
Abstract
Plants can retain information about environmental stress and thus, prepare themselves for impending stress. In nature, it happens that environmental stimuli like ‘cold’ and ‘insect egg deposition’ precede insect herbivory. Both these stimuli are known to elicit transcriptomic changes in Arabidposis thaliana. It is unknown, however, whether they affect the plant’s anti-herbivore defence and feeding-induced transcriptome when they end prior to herbivory. Here we investigated the transcriptomic response of Arabidopsis to feeding by Pieris brassicae larvae after prior exposure to cold or oviposition. The transcriptome of plants that experienced a five-day-chilling period (4 °C) was not fully reset to the pre-chilling state after deacclimation (20 °C) for one day and responded differently to herbivory than that of chilling-inexperienced plants. In contrast, when after a five-day-lasting oviposition period the eggs were removed, one day later the transcriptome and, consistently, also its response to herbivory resembled that of egg-free plants. Larval performance was unaffected by previous exposure of plants to cold and to eggs, thus indicating P. brassicae tolerance to cold-mediated plant transcriptomic changes. Our results show strong differences in the persistence of the plant’s transcriptomic state after removal of different environmental cues, and consequently differential effects on the transcriptomic response to later herbivory.
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Affiliation(s)
- Vivien Firtzlaff
- Institute of Biology-Applied Zoology/Animal Ecology, Freie Universität Berlin, Haderslebener Str. 9, D-12163 Berlin, Germany
| | - Jana Oberländer
- Institute of Biology-Applied Genetics/Dahlem Centre of Plant Sciences, Freie Universität Berlin, Albrecht-Thaer-Weg 6, D-14195 Berlin, Germany
| | - Sven Geiselhardt
- Institute of Biology-Applied Zoology/Animal Ecology, Freie Universität Berlin, Haderslebener Str. 9, D-12163 Berlin, Germany
| | - Monika Hilker
- Institute of Biology-Applied Zoology/Animal Ecology, Freie Universität Berlin, Haderslebener Str. 9, D-12163 Berlin, Germany
| | - Reinhard Kunze
- Institute of Biology-Applied Genetics/Dahlem Centre of Plant Sciences, Freie Universität Berlin, Albrecht-Thaer-Weg 6, D-14195 Berlin, Germany
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77
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Li Z, Hu G, Liu X, Zhou Y, Li Y, Zhang X, Yuan X, Zhang Q, Yang D, Wang T, Zhang Z. Transcriptome Sequencing Identified Genes and Gene Ontologies Associated with Early Freezing Tolerance in Maize. FRONTIERS IN PLANT SCIENCE 2016; 7:1477. [PMID: 27774095 PMCID: PMC5054024 DOI: 10.3389/fpls.2016.01477] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Accepted: 09/16/2016] [Indexed: 05/04/2023]
Abstract
Originating in a tropical climate, maize has faced great challenges as cultivation has expanded to the majority of the world's temperate zones. In these zones, frost and cold temperatures are major factors that prevent maize from reaching its full yield potential. Among 30 elite maize inbred lines adapted to northern China, we identified two lines of extreme, but opposite, freezing tolerance levels-highly tolerant and highly sensitive. During the seedling stage of these two lines, we used RNA-seq to measure changes in maize whole genome transcriptome before and after freezing treatment. In total, 19,794 genes were expressed, of which 4550 exhibited differential expression due to either treatment (before or after freezing) or line type (tolerant or sensitive). Of the 4550 differently expressed genes, 948 exhibited differential expression due to treatment within line or lines under freezing condition. Analysis of gene ontology found that these 948 genes were significantly enriched for binding functions (DNA binding, ATP binding, and metal ion binding), protein kinase activity, and peptidase activity. Based on their enrichment, literature support, and significant levels of differential expression, 30 of these 948 genes were selected for quantitative real-time PCR (qRT-PCR) validation. The validation confirmed our RNA-Seq-based findings, with squared correlation coefficients of 80% and 50% in the tolerance and sensitive lines, respectively. This study provided valuable resources for further studies to enhance understanding of the molecular mechanisms underlying maize early freezing response and enable targeted breeding strategies for developing varieties with superior frost resistance to achieve yield potential.
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Affiliation(s)
- Zhao Li
- Agronomy College of Northeast Agricultural UniversityHarbin, China
- Department of Crop and Soil Sciences, Washington State UniversityPullman, WA, USA
| | - Guanghui Hu
- Agronomy College of Northeast Agricultural UniversityHarbin, China
- Department of Crop and Soil Sciences, Washington State UniversityPullman, WA, USA
- Institute of Maize Research, Heilongjiang Academy of Agricultural SciencesHarbin, China
| | - Xiangfeng Liu
- Agronomy College of Northeast Agricultural UniversityHarbin, China
| | - Yao Zhou
- Agronomy College of Northeast Agricultural UniversityHarbin, China
| | - Yu Li
- Institute of Crop Science, Chinese Academy of Agricultural SciencesBeijing, China
| | - Xu Zhang
- Department of Crop and Soil Sciences, Washington State UniversityPullman, WA, USA
| | - Xiaohui Yuan
- Department of Crop and Soil Sciences, Washington State UniversityPullman, WA, USA
- Department of Computer Science, Wuhan University of TechnologyWuhan, China
| | - Qian Zhang
- Agronomy College of Northeast Agricultural UniversityHarbin, China
| | - Deguang Yang
- Agronomy College of Northeast Agricultural UniversityHarbin, China
- *Correspondence: Deguang Yang
| | - Tianyu Wang
- Institute of Crop Science, Chinese Academy of Agricultural SciencesBeijing, China
- Tianyu Wang
| | - Zhiwu Zhang
- Agronomy College of Northeast Agricultural UniversityHarbin, China
- Department of Crop and Soil Sciences, Washington State UniversityPullman, WA, USA
- Zhiwu Zhang
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