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Kfoury B, Rodrigues WFC, Kim SJ, Brandizzi F, Del-Bem LE. Multiple horizontal gene transfer events have shaped plant glycosyl hydrolase diversity and function. THE NEW PHYTOLOGIST 2024; 242:809-824. [PMID: 38417454 DOI: 10.1111/nph.19595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 01/15/2024] [Indexed: 03/01/2024]
Abstract
Plant glycosyl hydrolases (GHs) play a crucial role in selectively breaking down carbohydrates and glycoconjugates during various cellular processes, such as reserve mobilization, pathogen defense, and modification/disassembly of the cell wall. In this study, we examined the distribution of GH genes in the Archaeplastida supergroup, which encompasses red algae, glaucophytes, and green plants. We identified that the GH repertoire expanded from a few tens of genes in early archaeplastidians to over 400 genes in modern angiosperms, spanning 40 GH families in land plants. Our findings reveal that major evolutionary transitions were accompanied by significant changes in the GH repertoire. Specifically, we identified at least 23 GH families acquired by green plants through multiple horizontal gene transfer events, primarily from bacteria and fungi. We found a significant shift in the subcellular localization of GH activity during green plant evolution, with a marked increase in extracellular-targeted GH proteins associated with the diversification of plant cell wall polysaccharides and defense mechanisms against pathogens. In conclusion, our study sheds light on the macroevolutionary processes that have shaped the GH repertoire in plants, highlighting the acquisition of GH families through horizontal transfer and the role of GHs in plant adaptation and defense mechanisms.
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Affiliation(s)
- Beatriz Kfoury
- Graduate Program in Bioinformatics, Institute of Biological Sciences (ICB), Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, 31270-901, Brazil
- Del-Bem Lab, Department of Botany, Institute of Biological Sciences (ICB), Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, 31270-901, Brazil
| | - Wenderson Felipe Costa Rodrigues
- Del-Bem Lab, Department of Botany, Institute of Biological Sciences (ICB), Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, 31270-901, Brazil
- Graduate Program in Plant Biology, Institute of Biological Sciences (ICB), Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, 31270-901, Brazil
| | - Sang-Jin Kim
- MSU-DOE Plant Research Laboratory, Michigan State University, East Lansing, MI, 48824, USA
- Great Lakes Bioenergy Research Center, Michigan State University, East Lansing, MI, 48824, USA
- Department of Plant Biology, Michigan State University, East Lansing, MI, 48824, USA
| | - Federica Brandizzi
- MSU-DOE Plant Research Laboratory, Michigan State University, East Lansing, MI, 48824, USA
- Great Lakes Bioenergy Research Center, Michigan State University, East Lansing, MI, 48824, USA
- Department of Plant Biology, Michigan State University, East Lansing, MI, 48824, USA
| | - Luiz-Eduardo Del-Bem
- Graduate Program in Bioinformatics, Institute of Biological Sciences (ICB), Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, 31270-901, Brazil
- Del-Bem Lab, Department of Botany, Institute of Biological Sciences (ICB), Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, 31270-901, Brazil
- Graduate Program in Plant Biology, Institute of Biological Sciences (ICB), Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, 31270-901, Brazil
- MSU-DOE Plant Research Laboratory, Michigan State University, East Lansing, MI, 48824, USA
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Kim TL, Lim H, Denison MIJ, Oh C. Transcriptomic and Physiological Analysis Reveals Genes Associated with Drought Stress Responses in Populus alba × Populus glandulosa. PLANTS (BASEL, SWITZERLAND) 2023; 12:3238. [PMID: 37765403 PMCID: PMC10535988 DOI: 10.3390/plants12183238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 09/07/2023] [Accepted: 09/10/2023] [Indexed: 09/29/2023]
Abstract
Drought stress affects plant productivity by altering plant responses at the morphological, physiological, and molecular levels. In this study, we identified physiological and genetic responses in Populus alba × Populus glandulosa hybrid clones 72-30 and 72-31 after 12 days of exposure to drought treatment. After 12 days of drought treatment, glucose, fructose, and sucrose levels were significantly increased in clone 72-30 under drought stress. The Fv/Fo and Fv/Fm values in both clones also decreased under drought stress. The changes in proline, malondialdehyde, and H2O2 levels were significant and more pronounced in clone 72-30 than in clone 72-31. The activities of antioxidant-related enzymes, such as catalase and ascorbate peroxidase, were significantly higher in the 72-31 clone. To identify drought-related genes, we conducted a transcriptomic analysis in P. alba × P. glandulosa leaves exposed to drought stress. We found 883 up-regulated and 305 down-regulated genes in the 72-30 clone and 279 and 303 in the 72-31 clone, respectively. These differentially expressed genes were mainly in synthetic pathways related to proline, abscisic acid, and antioxidants. Overall, clone 72-31 showed better drought tolerance than clone 72-30 under drought stress, and genetic changes also showed different patterns.
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Affiliation(s)
- Tae-Lim Kim
- Department of Forest Bioresources, National Institute of Forest Science, Suwon 16631, Republic of Korea; (T.-L.K.); (C.O.)
| | - Hyemin Lim
- Department of Forest Bioresources, National Institute of Forest Science, Suwon 16631, Republic of Korea; (T.-L.K.); (C.O.)
| | | | - Changyoung Oh
- Department of Forest Bioresources, National Institute of Forest Science, Suwon 16631, Republic of Korea; (T.-L.K.); (C.O.)
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Cerqueira JVA, de Andrade MT, Rafael DD, Zhu F, Martins SVC, Nunes-Nesi A, Benedito V, Fernie AR, Zsögön A. Anthocyanins and reactive oxygen species: a team of rivals regulating plant development? PLANT MOLECULAR BIOLOGY 2023; 112:213-223. [PMID: 37351824 PMCID: PMC10352431 DOI: 10.1007/s11103-023-01362-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 05/22/2023] [Indexed: 06/24/2023]
Abstract
Anthocyanins are a family of water-soluble vacuolar pigments present in almost all flowering plants. The chemistry, biosynthesis and functions of these flavonoids have been intensively studied, in part due to their benefit for human health. Given that they are efficient antioxidants, intense research has been devoted to studying their possible roles against damage caused by reactive oxygen species (ROS). However, the redox homeostasis established between antioxidants and ROS is important for plant growth and development. On the one hand, high levels of ROS can damage DNA, proteins, and lipids, on the other, they are also required for cell signaling, plant development and stress responses. Thus, a balance is needed in which antioxidants can remove excessive ROS, while not precluding ROS from triggering important cellular signaling cascades. In this article, we discuss how anthocyanins and ROS interact and how a deeper understanding of the balance between them could help improve plant productivity, nutritional value, and resistance to stress, while simultaneously maintaining proper cellular function and plant growth.
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Affiliation(s)
- João Victor A Cerqueira
- Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa, MG, 36570-900, Brazil
| | - Moab T de Andrade
- Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa, MG, 36570-900, Brazil
| | - Diego D Rafael
- Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa, MG, 36570-900, Brazil
| | - Feng Zhu
- Max-Planck-Institute for Molecular Plant Physiology, 14476, Potsdam, Germany
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, National R&D Center for Citrus Preservation, Huazhong Agricultural University, Wuhan, 430070, China
| | - Samuel V C Martins
- Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa, MG, 36570-900, Brazil
| | - Adriano Nunes-Nesi
- Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa, MG, 36570-900, Brazil
| | - Vagner Benedito
- Division of Plant and Soil Sciences, West Virginia University, Morgantown, WV, 26506, USA
| | - Alisdair R Fernie
- Max-Planck-Institute for Molecular Plant Physiology, 14476, Potsdam, Germany
| | - Agustin Zsögön
- Departamento de Biologia Vegetal, Universidade Federal de Viçosa, Viçosa, MG, 36570-900, Brazil
- Max-Planck-Institute for Molecular Plant Physiology, 14476, Potsdam, Germany
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4
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Hao X, Mo Y, Ji W, Yang X, Xie Z, Huang D, Li D, Tian L. The OsNramp4 aluminum transporter is involved in cadmium accumulation in rice grains. REPRODUCTION AND BREEDING 2022. [DOI: 10.1016/j.repbre.2022.10.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
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Xu P, Wu T, Ali A, Wang J, Fang Y, Qiang R, Liu Y, Tian Y, Liu S, Zhang H, Liao Y, Chen X, Shoaib F, Sun C, Xu Z, Xia D, Zhou H, Wu X. Rice β-Glucosidase 4 (Os1βGlu4) Regulates the Hull Pigmentation via Accumulation of Salicylic Acid. Int J Mol Sci 2022; 23:10646. [PMID: 36142555 PMCID: PMC9504040 DOI: 10.3390/ijms231810646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/03/2022] [Accepted: 09/09/2022] [Indexed: 11/16/2022] Open
Abstract
Salicylic acid (SA) is a stress hormone synthesized in phenylalanine ammonia-lyase (PAL) and the branching acid pathway. SA has two interconvertible forms in plants: SAG (SA O-β-glucoside) and SA (free form). The molecular mechanism of conversion of SA to SAG had been reported previously. However, which genes regulate SAG to SA remained unknown. Here, we report a cytoplasmic β-glucosidase (β-Glu) which participates in the SA pathway and is involved in the brown hull pigmentation in rice grain. In the current study, an EMS-generated mutant brown hull 1 (bh1) displayed decreased contents of SA in hulls, a lower photosynthesis rate, and high-temperature sensitivity compared to the wild type (WT). A plaque-like phenotype (brown pigmentation) was present on the hulls of bh1, which causes a significant decrease in the seed setting rate. Genetic analysis revealed a mutation in LOC_Os01g67220, which encodes a cytoplasmic Os1βGlu4. The knock-out lines displayed the phenotype of brown pigmentation on hulls and decreased seed setting rate comparable with bh1. Overexpression and complementation lines of Os1βGlu4 restored the phenotype of hulls and normal seed setting rate comparable with WT. Subcellular localization revealed that the protein of Os1βGlu4 was localized in the cytoplasm. In contrast to WT, bh1 could not hydrolyze SAG into SA in vivo. Together, our results revealed the novel role of Os1βGlu4 in the accumulation of flavonoids in hulls by regulating the level of free SA in the cellular pool.
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Affiliation(s)
- Peizhou Xu
- Key Laboratory of Southwest Crop Genetic Resources and Genetic Improvement, Ministry of Education, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Tingkai Wu
- Key Laboratory of Southwest Crop Genetic Resources and Genetic Improvement, Ministry of Education, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
- Rubber Research Institute, Chinese Academy of Tropical Agricultural Science, Haikou 571101, China
| | - Asif Ali
- Key Laboratory of Southwest Crop Genetic Resources and Genetic Improvement, Ministry of Education, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Jinhao Wang
- Key Laboratory of Southwest Crop Genetic Resources and Genetic Improvement, Ministry of Education, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Yongqiong Fang
- Key Laboratory of Southwest Crop Genetic Resources and Genetic Improvement, Ministry of Education, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Runrun Qiang
- Rubber Research Institute, Chinese Academy of Tropical Agricultural Science, Haikou 571101, China
| | - Yutong Liu
- Key Laboratory of Southwest Crop Genetic Resources and Genetic Improvement, Ministry of Education, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Yunfeng Tian
- Key Laboratory of Southwest Crop Genetic Resources and Genetic Improvement, Ministry of Education, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Su Liu
- Key Laboratory of Southwest Crop Genetic Resources and Genetic Improvement, Ministry of Education, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Hongyu Zhang
- Key Laboratory of Southwest Crop Genetic Resources and Genetic Improvement, Ministry of Education, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Yongxiang Liao
- Key Laboratory of Southwest Crop Genetic Resources and Genetic Improvement, Ministry of Education, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Xiaoqiong Chen
- Key Laboratory of Southwest Crop Genetic Resources and Genetic Improvement, Ministry of Education, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Farwa Shoaib
- Department of Plant Breeding and Genetics, University of Agriculture, Faisalabad 38000, Pakistan
| | - Changhui Sun
- Key Laboratory of Southwest Crop Genetic Resources and Genetic Improvement, Ministry of Education, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Zhengjun Xu
- Key Laboratory of Southwest Crop Genetic Resources and Genetic Improvement, Ministry of Education, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Duo Xia
- Key Laboratory of Southwest Crop Genetic Resources and Genetic Improvement, Ministry of Education, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Hao Zhou
- Key Laboratory of Southwest Crop Genetic Resources and Genetic Improvement, Ministry of Education, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Xianjun Wu
- Key Laboratory of Southwest Crop Genetic Resources and Genetic Improvement, Ministry of Education, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
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Song Y, Zheng H, Sui Y, Li S, Wu F, Sun X, Sui N. SbWRKY55 regulates sorghum response to saline environment by its dual role in abscisic acid signaling. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2022; 135:2609-2625. [PMID: 35841419 DOI: 10.1007/s00122-022-04130-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Accepted: 05/16/2022] [Indexed: 06/15/2023]
Abstract
SbWRKY55 functions as a key component of the ABA-mediated signaling pathway; transgenic sorghum regulates plant responses to saline environments and will help save arable land and ensure food security. Salt tolerance in plants is triggered by various environmental stress factors and endogenous hormonal signals. Numerous studies have shown that WRKY transcription factors are involved in regulating plant salt tolerance. However, the underlying mechanism for WRKY transcription factors regulated salt stress response and signal transduction pathways remains largely unknown. In this study, the SbWRKY55 transcription factor was found to be the key component for reduced levels of salt and abscisic acid in SbWRKY55 overexpression significantly reduced salt tolerance in sorghum and Arabidopsis. Mutation of the homologous gene AtWRKY55 in A. thaliana significantly enhanced salt tolerance, and SbWRKY55 supplementation in the mutants restored salt tolerance. In the transgenic sorghum with SbWRKY55 overexpression, the expression levels of genes involved in the abscisic acid (ABA) pathway were altered, and the endogenous ABA content decreased. Yeast one-hybrid assays and dual-luciferase reporter assay showed that SbWRKY55 binds directly to the promoter of SbBGLU22 and inhibits its expression level. In addition, both in vivo and in vitro biochemical analyses showed that SbWRKY55 interacts with the FYVE zinc finger protein SbFYVE1, blocking the ABA signaling pathway. This could be an important feedback regulatory pathway to balance the SbWRKY55-mediated salt stress response. In summary, the results of this study provide convincing evidence that SbWRKY55 functions as a key component in the ABA-mediated signaling pathway, highlighting the dual role of SbWRKY55 in ABA signaling. This study also showed that SbWRKY55 could negatively regulate salt tolerance in sorghum.
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Affiliation(s)
- Yushuang Song
- Shandong Provincial Key Laboratory of Plant Stress, College of Life Sciences, Shandong Normal University, Jinan, 250014, China
| | - Hongxiang Zheng
- Shandong Provincial Key Laboratory of Plant Stress, College of Life Sciences, Shandong Normal University, Jinan, 250014, China
| | - Yi Sui
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Simin Li
- Shandong Provincial Key Laboratory of Plant Stress, College of Life Sciences, Shandong Normal University, Jinan, 250014, China
| | - Fenghui Wu
- Shandong Provincial Key Laboratory of Plant Stress, College of Life Sciences, Shandong Normal University, Jinan, 250014, China
| | - Xi Sun
- Shandong Provincial Key Laboratory of Plant Stress, College of Life Sciences, Shandong Normal University, Jinan, 250014, China
| | - Na Sui
- Shandong Provincial Key Laboratory of Plant Stress, College of Life Sciences, Shandong Normal University, Jinan, 250014, China.
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Si J, Froussart E, Viaene T, Vázquez-Castellanos JF, Hamonts K, Tang L, Beirinckx S, De Keyser A, Deckers T, Amery F, Vandenabeele S, Raes J, Goormachtig S. Interactions between soil compositions and the wheat root microbiome under drought stress: From an in silico to in planta perspective. Comput Struct Biotechnol J 2021; 19:4235-4247. [PMID: 34429844 PMCID: PMC8353387 DOI: 10.1016/j.csbj.2021.07.027] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 07/21/2021] [Accepted: 07/23/2021] [Indexed: 12/29/2022] Open
Abstract
As wheat (Triticum aestivum) is an important staple food across the world, preservation of stable yields and increased productivity are major objectives in breeding programs. Drought is a global concern because its adverse impact is expected to be amplified in the future due to the current climate change. Here, we analyzed the effects of edaphic, environmental, and host factors on the wheat root microbiomes collected in soils from six regions in Belgium. Amplicon sequencing analysis of unplanted soil and wheat root endosphere samples indicated that the microbial community variations can be significantly explained by soil pH, microbial biomass, wheat genotype, and soil sodium and iron levels. Under drought stress, the biodiversity in the soil decreased significantly, but increased in the root endosphere community, where specific soil parameters seemingly determine the enrichment of bacterial groups. Indeed, we identified a cluster of drought-enriched bacteria that significantly correlated with soil compositions. Interestingly, integration of a functional analysis further revealed a strong correlation between the same cluster of bacteria and β-glucosidase and osmoprotectant proteins, two functions known to be involved in coping with drought stress. By means of this in silico analysis, we identified amplicon sequence variants (ASVs) that could potentially protect the plant from drought stress and validated them in planta. Yet, ASVs based on 16S rRNA sequencing data did not completely distinguish individual isolates because of their intrinsic short sequences. Our findings support the efforts to maintain stable crop yields under drought conditions through implementation of root microbiome analyses.
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Affiliation(s)
- Jiyeon Si
- Laboratory of Molecular Bacteriology. Department of Microbiology and Immunology, Rega Institute, Katholieke Universiteit Leuven, 3000 Leuven, Belgium
- Center for Microbiology, VIB, 3000 Leuven, Belgium
- Medical Science Research Institute, School of Medicine, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Emilie Froussart
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 90e2 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Gent, Belgium
| | | | - Jorge F. Vázquez-Castellanos
- Laboratory of Molecular Bacteriology. Department of Microbiology and Immunology, Rega Institute, Katholieke Universiteit Leuven, 3000 Leuven, Belgium
- Center for Microbiology, VIB, 3000 Leuven, Belgium
| | | | - Lin Tang
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 90e2 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Gent, Belgium
| | - Stien Beirinckx
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 90e2 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Gent, Belgium
| | - Annick De Keyser
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 90e2 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Gent, Belgium
| | | | - Fien Amery
- Plant Sciences Unit, Flanders Research Institute for Agriculture, Fisheries and Food (ILVO), 9820 Merelbeke, Belgium
| | | | - Jeroen Raes
- Laboratory of Molecular Bacteriology. Department of Microbiology and Immunology, Rega Institute, Katholieke Universiteit Leuven, 3000 Leuven, Belgium
- Center for Microbiology, VIB, 3000 Leuven, Belgium
| | - Sofie Goormachtig
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 90e2 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Gent, Belgium
- Corresponding author at: VIB-UGhent Center for Plant Systems Biology, 9052 Ghent, Belgium.
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Sun S, Lin M, Qi X, Chen J, Gu H, Zhong Y, Sun L, Muhammad A, Bai D, Hu C, Fang J. Full-length transcriptome profiling reveals insight into the cold response of two kiwifruit genotypes (A. arguta) with contrasting freezing tolerances. BMC PLANT BIOLOGY 2021; 21:365. [PMID: 34380415 PMCID: PMC8356467 DOI: 10.1186/s12870-021-03152-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 08/02/2021] [Indexed: 05/16/2023]
Abstract
BACKGROUND Kiwifruit (Actinidia Lindl.) is considered an important fruit species worldwide. Due to its temperate origin, this species is highly vulnerable to freezing injury while under low-temperature stress. To obtain further knowledge of the mechanism underlying freezing tolerance, we carried out a hybrid transcriptome analysis of two A. arguta (Actinidi arguta) genotypes, KL and RB, whose freezing tolerance is high and low, respectively. Both genotypes were subjected to - 25 °C for 0 h, 1 h, and 4 h. RESULTS SMRT (single-molecule real-time) RNA-seq data were assembled using the de novo method, producing 24,306 unigenes with an N50 value of 1834 bp. Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis of DEGs showed that they were involved in the 'starch and sucrose metabolism', the 'mitogen-activated protein kinase (MAPK) signaling pathway', the 'phosphatidylinositol signaling system', the 'inositol phosphate metabolism', and the 'plant hormone signal transduction'. In particular, for 'starch and sucrose metabolism', we identified 3 key genes involved in cellulose degradation, trehalose synthesis, and starch degradation processes. Moreover, the activities of beta-GC (beta-glucosidase), TPS (trehalose-6-phosphate synthase), and BAM (beta-amylase), encoded by the abovementioned 3 key genes, were enhanced by cold stress. Three transcription factors (TFs) belonging to the AP2/ERF, bHLH (basic helix-loop-helix), and MYB families were involved in the low-temperature response. Furthermore, weighted gene coexpression network analysis (WGCNA) indicated that beta-GC, TPS5, and BAM3.1 were the key genes involved in the cold response and were highly coexpressed together with the CBF3, MYC2, and MYB44 genes. CONCLUSIONS Cold stress led various changes in kiwifruit, the 'phosphatidylinositol signaling system', 'inositol phosphate metabolism', 'MAPK signaling pathway', 'plant hormone signal transduction', and 'starch and sucrose metabolism' processes were significantly affected by low temperature. Moreover, starch and sucrose metabolism may be the key pathway for tolerant kiwifruit to resist low temperature damages. These results increase our understanding of the complex mechanisms involved in the freezing tolerance of kiwifruit under cold stress and reveal a series of candidate genes for use in breeding new cultivars with enhanced freezing tolerance.
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Affiliation(s)
- Shihang Sun
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, 430070, China
| | - Miaomiao Lin
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Xiujuan Qi
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Jinyong Chen
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Hong Gu
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Yunpeng Zhong
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Leiming Sun
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Abid Muhammad
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Danfeng Bai
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China
| | - Chungen Hu
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Jinbao Fang
- Key Laboratory for Fruit Tree Growth, Development and Quality Control, Zhengzhou Fruit Research Institute, Chinese Academy of Agricultural Sciences, Zhengzhou, 450009, China.
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Bian Z, Wang D, Liu Y, Xi Y, Wang X, Meng S. Analysis of Populus glycosyl hydrolase family I members and their potential role in the ABA treatment and drought stress response. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2021; 163:178-188. [PMID: 33848930 DOI: 10.1016/j.plaphy.2021.03.057] [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: 12/26/2020] [Accepted: 03/28/2021] [Indexed: 06/12/2023]
Abstract
Glycoside hydrolase family 1 (GH1) β-glucosidases (BGLUs) are encoded by a large number of genes and are involved in many developmental processes and stress responses in plants. Due to their importance in plant growth and development, genome-wide analyses have been conducted in the model plant species Arabidopsis thaliana, rice and maize but not in woody plant species, which have important economic and ecological value. In this study, we systematically analyzed Populus BGLUs (PtBGLUs) and demonstrated the involvement of several genes under stress conditions. Forty-four PtBGLUs were identified in Populus databases; these genes were located on 11 chromosomes, and the proteins of several PtBGLU genes were highly similar. More than 90% of PtBGLUs contain three conserved motifs. Collinearity results showed that 44 PtBGLU genes resulted from 12 tandem and 5 segmental duplication events. Phylogenetic analysis revealed that 128 BGLU genes from Populus trichocarpa, A. thaliana and Oryza sativa could be classified into 4 subgroups and subgroup Ⅱ and Ⅳ were differently having PtBGLUs and AtBGLUs. We further investigated whether several PtBGLUs responded to drought stress and ABA treatment, and the results showed that most of the selected BGLU genes were expressed in response to stress, which is consistent with previous studies involving rice and Arabidopsis homologous genes. Large numbers of stress-, hormone-, and development-related elements in the PtBGLU promoters suggest that BGLU genes may be involved in complex networks. Taken together, our results provide valuable information for an improved understanding of β-glucosidase function in woody plants.
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Affiliation(s)
- Zhan Bian
- State Key Laboratory of Tree Genetics and Breeding, Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou, Guangdong, 510520, China.
| | - Dongli Wang
- State Key Laboratory of Tree Genetics and Breeding, Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou, Guangdong, 510520, China.
| | - Yunshan Liu
- State Key Laboratory of Tree Genetics and Breeding, Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou, Guangdong, 510520, China; College of Biology and Food Engineering, Chongqing Three Gorges University, Wanzhou, Chongqing, 404100, China
| | - Yimin Xi
- State Key Laboratory of Tree Genetics and Breeding, Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou, Guangdong, 510520, China
| | - Xiaoling Wang
- Institute of Biological Resources, Jiangxi Academy of Sciences, Nanchang, Jiangxi, 330096, China.
| | - Sen Meng
- State Key Laboratory of Tree Genetics and Breeding, Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou, Guangdong, 510520, China.
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10
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Li Y, Si YT, He YX, Li JX. Comparative analysis of drought-responsive and -adaptive genes in Chinese wingnut (Pterocarya stenoptera C. DC). BMC Genomics 2021; 22:155. [PMID: 33663380 PMCID: PMC7934232 DOI: 10.1186/s12864-021-07470-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Accepted: 02/23/2021] [Indexed: 12/02/2022] Open
Abstract
Background Drought is the main stress factor for the cultivation of Pterocarya stenoptera in urban areas, and this factor will cause its dehydration and affect its growth. Identifying drought-related genes will be useful for understanding the drought adaptation mechanism of P. stenoptera. Results We used physiological indicator detection, comparative transcriptome sequencing, and reanalysis on the results of previous landscape genomics studies to investigate the drought adaptation mechanism in P. stenoptera. The changes in malondialdehyde content showed that P. stenoptera was remarkably affected by drought stress, and the increase in soluble sugar content suggested its important role in response to drought stress. Results of comparative transcriptome sequencing showed that P. stenoptera initiated a series of programs, such as increasing the gene expression of unsaturated fatty acids, tyrosine, and plant pathogen resistance, to deal with the transient drought stress. According to the annotated results in a previous study, P. stenoptera adapts to the long-term differential drought stress by regulating the thickness of cell walls and expressing upper or lower limits of the downstream genes in the hormone signaling pathway. Through the comparative analysis of drought-responsive and -adaptive genes in P. stenoptera, this study supports the hypothesis that the environment-responsive genes (ERGs) introduced by the transient environmental stresses will be substantially more than the environment-adaptive genes (EAGs) in response to long-term differential environmental stresses, and the EAGs are not necessarily ERGs. Conclusions Our study identified drought-responsive and -adaptive genes in P. stenoptera and revealed that P. stenoptera increased the gene expression of unsaturated fatty acids, tyrosine, and plant pathogen resistance in response to transient drought stress. This study reveals the different adaptation mechanism of P. stenoptera under the transient and long-term differential drought stresses. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-021-07470-z.
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Affiliation(s)
- Yong Li
- Innovation Platform of Molecular Biology, College of Landcape and Art, Henan Agricultural University, Zhengzhou, China.
| | - Yu-Tao Si
- Innovation Platform of Molecular Biology, College of Landcape and Art, Henan Agricultural University, Zhengzhou, China
| | - Yan-Xia He
- School of Life Sciences, Henan University, Kaifeng, China
| | - Jia-Xin Li
- Innovation Platform of Molecular Biology, College of Landcape and Art, Henan Agricultural University, Zhengzhou, China
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11
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Feng YX, Chen X, Li YW, Zhao HM, Xiang L, Li H, Cai QY, Feng NX, Mo CH, Wong MH. A Visual Leaf Zymography Technique for the In Situ Examination of Plant Enzyme Activity under the Stress of Environmental Pollution. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:14015-14024. [PMID: 32822176 DOI: 10.1021/acs.jafc.0c03815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
This study established a high-efficiency fluorescence quenching approach for the in situ visualization and modeling of the spatial distribution of xylanase, β-glucosidase, and phosphatase activities in plant leaves under pollution stress (namely, the leaf zymography technique, LZT). In the LZT, a membrane saturated with an enzyme-specific fluorescent substrate on the leaf surface was incubated and the fluorescence image generated on the membrane under ultraviolet light was recorded. An image-based modeling method for restoring the morphological traits of the true image by reducing noise was developed to ensure the accurate estimation of enzyme activities. The LZT could simultaneously measure 48 samples within 2 h, with good reproducibility. The results obtained by the LZT were comparable to those obtained by a conventional biochemical analysis method and presented low-cost and convenient advantages. This paper explains the theoretical basis required to investigate the realistic application of the LZT for assessing ecotoxicity in large-scale monitoring.
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Affiliation(s)
- Yu-Xi Feng
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Xin Chen
- 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
| | - 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
| | - Lei Xiang
- 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
| | - 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
| | - Nai-Xian Feng
- 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
| | - Ming-Hung Wong
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou 510632, China
- Consortium on Health, Environment, Education and Research (CHEER), The Education University of Hong Kong, Tai Po, Hong Kong, China
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12
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Acanda Y, Martínez Ó, Prado MJ, González MV, Rey M. Changes in abscisic acid metabolism in relation to the maturation of grapevine (Vitis vinifera L., cv. Mencía) somatic embryos. BMC PLANT BIOLOGY 2020; 20:487. [PMID: 33097003 PMCID: PMC7585196 DOI: 10.1186/s12870-020-02701-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 10/14/2020] [Indexed: 06/07/2023]
Abstract
BACKGROUND Somatic embryogenesis in grapevines is a complex process that depends on many physiological and genetic factors. One of its main limitations is the process of precocious germination of the somatic embryos in differentiation medium. This process lowers plant conversion rates from the somatic embryos, and it is probably caused by a low endogenous abscisic acid (ABA) content. RESULTS Precocious germination of the somatic embryos was successfully avoided by culturing grapevine cv. Mencía embryogenic aggregates over a semipermeable membrane extended on top of the differentiation medium. The weekly analysis of the endogenous ABA and ABA-glucosyl ester (ABA-GE) contents in the aggregates showed their rapid accumulation. The expression profiles of 9-cis-epoxycarotenoid dioxygenase (VvNCED1), 8'-hydroxylase (VvHyd2), UDP-glucosyltransferase (VvUGT) and β-glucosidase (VvBG2) genes in grapevine revealed that the occurrence of a first accumulation peak of endogenous ABA in the second week of culture over the semipermeable membrane was mainly dependent on the expression of the VvNCED1 gene. A second increase in the endogenous ABA content was observed in the fourth week of culture. At this point in the culture, our results suggest that of those genes involved in ABA accumulation, one (VvNCED1) was repressed, while another (VvBG2) was activated. Similarly, of those genes related to a reduction in ABA levels, one (VvUGT) was repressed while another (VvHyd2) was activated. The relative expression level of the VvNCED1 gene in embryogenic aggregates cultured under the same conditions and treated with exogenous ABA revealed the significant downregulation of this gene. CONCLUSIONS Our results demonstrated the involvement of ABA metabolism in the control of the maturation of grapevine somatic embryos cultured over a semipermeable membrane and two important control points for their endogenous ABA levels. Thus, subtle differences in the expression of the antagonistic genes that control ABA synthesis and degradation could be responsible for the final level of ABA during the maturation of grapevine somatic embryos in vitro. In addition, the treatment of somatic embryos with exogenous ABA suggested the feedback-based control of the expression of the VvNCED1 gene by ABA during the maturation of grapevine somatic embryos.
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Affiliation(s)
- Yosvanis Acanda
- Departamento de Biología Vegetal y Ciencia del Suelo, Universidad de Vigo, Campus Universitario, 36310, Vigo, Spain
- Present Address; Department of Plant Pathology, Citrus Research and Education Center, UF-IFAS, 700 Experiment Station Rd, Lake Alfred, FL, 33850, USA
| | - Óscar Martínez
- Departamento de Biología Vegetal y Ciencia del Suelo, Universidad de Vigo, Campus Universitario, 36310, Vigo, Spain
| | - María Jesús Prado
- Departamento de Biología Vegetal y Ciencia del Suelo, Universidad de Vigo, Campus Universitario, 36310, Vigo, Spain
| | - María Victoria González
- Departamento de Biología Funcional, Universidad de Santiago de Compostela, Campus Sur, 15872, Santiago de Compostela, Spain
| | - Manuel Rey
- Departamento de Biología Vegetal y Ciencia del Suelo, Universidad de Vigo, Campus Universitario, 36310, Vigo, Spain.
- CITACA, Agri-Food Research and Transfer Cluster, Campus da Auga, Universidad de Vigo, 32004, Ourense, Spain.
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13
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Jiao Q, Chen T, Niu G, Zhang H, Zhou C, Hong Z. N-glycosylation is involved in stomatal development by modulating the release of active abscisic acid and auxin in Arabidopsis. JOURNAL OF EXPERIMENTAL BOTANY 2020; 71:5865-5879. [PMID: 32649744 DOI: 10.1093/jxb/eraa321] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 07/09/2020] [Indexed: 05/11/2023]
Abstract
Asparagine-linked glycosylation (N-glycosylation) is one of the most important protein modifications in eukaryotes, affecting the folding, transport, and function of a wide range of proteins. However, little is known about the roles of N-glycosylation in the development of stomata in plants. In the present study, we provide evidence that the Arabidopsis stt3a-2 mutant, defective in oligosaccharyltransferase catalytic subunit STT3, has a greater transpirational water loss and weaker drought avoidance, accompanied by aberrant stomatal distribution. Through physiological, biochemical, and genetic analyses, we found that the abnormal stomatal density of stt3a-2 was partially attributed to low endogenous abscisic acid (ABA) and auxin (IAA) content. Exogenous application of ABA or IAA could partially rescue the mutant's salt-sensitive and abnormal stomatal phenotype. Further analyses revealed that the decrease of IAA or ABA in stt3a-2 seedlings was associated with the underglycosylation of β-glucosidase (AtBG1), catalysing the conversion of conjugated ABA/IAA to active hormone. Our results provide strong evidence that N-glycosylation is involved in stomatal development and participates in abiotic stress tolerance by modulating the release of active plant hormones.
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Affiliation(s)
- Qingsong Jiao
- State Key Laboratory of Pharmaceutical Biotechnology, NJU Advanced Institute for Life Sciences (NAILS), School of Life Sciences, Nanjing University, Nanjing, China
| | - Tianshu Chen
- State Key Laboratory of Pharmaceutical Biotechnology, NJU Advanced Institute for Life Sciences (NAILS), School of Life Sciences, Nanjing University, Nanjing, China
| | - Guanting Niu
- State Key Laboratory of Pharmaceutical Biotechnology, NJU Advanced Institute for Life Sciences (NAILS), School of Life Sciences, Nanjing University, Nanjing, China
| | - Huchen Zhang
- State Key Laboratory of Pharmaceutical Biotechnology, NJU Advanced Institute for Life Sciences (NAILS), School of Life Sciences, Nanjing University, Nanjing, China
| | - ChangFang Zhou
- State Key Laboratory of Pharmaceutical Biotechnology, NJU Advanced Institute for Life Sciences (NAILS), School of Life Sciences, Nanjing University, Nanjing, China
| | - Zhi Hong
- State Key Laboratory of Pharmaceutical Biotechnology, NJU Advanced Institute for Life Sciences (NAILS), School of Life Sciences, Nanjing University, Nanjing, China
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14
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Li H, Jia S, Tang Y, Jiang Y, Yang S, Zhang J, Yan B, Wang Y, Guo J, Zhao S, Yang Q, Shao R. A transcriptomic analysis reveals the adaptability of the growth and physiology of immature tassel to long-term soil water deficit in Zea mays L. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 155:756-768. [PMID: 32882617 DOI: 10.1016/j.plaphy.2020.08.027] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Revised: 08/12/2020] [Accepted: 08/13/2020] [Indexed: 06/11/2023]
Abstract
Drought is a key threat to maize growth and yield. Understanding the mechanism of immature tassel (IT) response to long term drought is of paramount importance. Here, the maize inbred line PH6WC was tested under well-watered (CK) and two water deficit treatments (WD1 and WD2). The final IT length in the WD1 and WD2 treatments decreased by nearly 6.2% and 21.2% compared to the CK, respectively, and the average accumulation rate IT dry matter was 1.5-fold and 1.8-fold slower, respectively. Furthermore, RNA sequencing analysis was conducted on the IT sampled at 30 days after the WD treatments. In total, the cellular component in gene ontology (GO) analysis suggested that the differentially expressed genes were significantly enriched in three common terms (apoplast, plant-type cell wall, and anchored component of membrane) among the CK vs WD1, CK vs WD2, and WD1 vs WD2 comparisons. Next, a co-expression network analysis identified 44 modules that contained global expression genes. Finally, by combining the GO analysis with modules, nine genes involved in carbohydrate metabolism and the antioxidant system were screened out, and the six corresponding physiological parameters were all significantly increased under the WD treatments. These results showed that, although the IT length and dry matter decreased, the IT enhanced the adaptation to drought by regulating their own genetic and physiological changes.
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Affiliation(s)
- Hongwei Li
- National Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, China
| | - Shuangjie Jia
- National Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, China
| | - Yulou Tang
- National Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, China
| | - Yanping Jiang
- National Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, China
| | - Shenjiao Yang
- Farmland Irrigation Research Institute, CAAS/National Agro-ecological System Observation and Research Station of Shangqiu, Xinxiang, 453002, China
| | - Junjie Zhang
- National Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, China
| | - Bowen Yan
- National Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, China
| | - Yongchao Wang
- National Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, China
| | - Jiameng Guo
- National Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, China
| | - Shijie Zhao
- State Key Laboratory of Crop Biology, Shandong Agricultural University, Tai'an, 271018, China
| | - Qinghua Yang
- National Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, China.
| | - Ruixin Shao
- National Key Laboratory of Wheat and Maize Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, China.
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15
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Fan FF, Liu F, Yang X, Wan H, Kang Y. Global analysis of expression profile of members of DnaJ gene families involved in capsaicinoids synthesis in pepper (Capsicum annuum L). BMC PLANT BIOLOGY 2020; 20:326. [PMID: 32646388 PMCID: PMC7350186 DOI: 10.1186/s12870-020-02476-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Accepted: 06/01/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND The DnaJ proteins play critical roles in plant development and stress responses. Recently, seventy-six DnaJ genes were identified through a comprehensive bioinformatics analysis in the pepper genome. However, there were no reports on understanding of phylogenetic relationships and diverse expression profile of pepper DnaJ genes to date. Herein, we performed the systemic analysis of the phylogenetic relationships and expression profile of pepper DnaJ genes in different tissues and in response to both abiotic stress and plant hormones. RESULTS Phylogenetic analysis showed that all the pepper DnaJ genes were grouped into 7 sub-families (sub-family I, II, III, IV, V, VI and VII) according to sequence homology. The expression of pepper DnaJs in different tissues revealed that about 38% (29/76) of pepper DnaJs were expressed in at least one tissue. The results demonstrate the potentially critical role of DnaJs in pepper growth and development. In addition, to gain insight into the expression difference of pepper DnaJ genes in placenta between pungent and non-pungent, their expression patterns were also analyzed using RNA-seq data and qRT-PCR. Comparison analysis revealed that eight genes presented distinct expression profiles in pungent and non-pungent pepper. The CaDnaJs co-expressed with genes involved in capsaicinoids synthesis during placenta development. What is more, our study exposed the fact that these eight DnaJ genes were probably regulated by stress (heat, drought and salt), and were also regulated by plant hormones (ABA, GA3, MeJA and SA). CONCLUSIONS In summary, these results showed that some DnaJ genes expressed in placenta may be involved in plant response to abiotic stress during biosynthesis of compounds related with pungency. The study provides wide insights to the expression profiles of pepper DanJ genes and contributes to our knowledge about the function of DnaJ genes in pepper.
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Affiliation(s)
- Fang Fei Fan
- College of Horticulture, South China Agricultural University, Guangzhou, 510642, PR China
| | - Fawan Liu
- Horticultural Research Institute, Yunnan Academy of Agricultural Science, Kunming, 650231, PR China
| | - Xian Yang
- College of Horticulture, South China Agricultural University, Guangzhou, 510642, PR China
| | - Hongjian Wan
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, PR China.
- China-Australia Research Centre for Crop Improvement, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China.
| | - Yunyan Kang
- College of Horticulture, South China Agricultural University, Guangzhou, 510642, PR China.
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16
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Li MQ, Yang J, Wang X, Li DX, Zhang CB, Tian ZH, You MH, Bai SQ, Lin HH. Transcriptome profiles identify the common responsive genes to drought stress in two Elymus species. JOURNAL OF PLANT PHYSIOLOGY 2020; 250:153183. [PMID: 32422512 DOI: 10.1016/j.jplph.2020.153183] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 04/26/2020] [Accepted: 04/27/2020] [Indexed: 06/11/2023]
Abstract
Elymus, the largest genus of the Triticeae Dumort, is a forage grass in the Qinghai-Tibetan Plateau, where the climate has gradually become increasingly dry in recent years. To understand the mechanisms of the response to drought stress in Elymus species, we first investigated physiological and biochemical responses to polyethylene glycol (PEG-6000) simulated drought stress in two Elymus species, Elymus nutans and Elymus sibiricus, and found that E. nutans was more tolerant to drought stress than E. sibiricus. De novo transcriptome analysis of these two Elymus species treated with or without 10 % PEG-6000 revealed that a total of 1695 unigenes were commonly regulated by drought treatment in these two Elymus species, with 1614 unigenes up-regulated and 81 unigenes down-regulated. The coexpressed differentially expressed genes (DEGs) were enriched in regulation of transcription and gene expression in the GO database. KEGG pathway analysis indicated plant hormone signaling transduction were mostly enriched in co-expressed DEGs. Furthermore, genes annotated in the plant hormone signaling transduction were screened from co-expressed DEGs, and found that abscisic acid plays the major role in the drought stress tolerance of Elymus. Meanwhile, transcription factors screened from co-expressed DEGs were mainly classified into the ERF subfamily and WRKY, DREB, and HSF family members. Our results provide further reference for studying the response mechanism and culturing highly tolerant grasses of the Elymus species under drought stress.
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Affiliation(s)
- Ming-Qun Li
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering Sichuan University, Chengdu, 610065, Sichuan, China
| | - Jian Yang
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering Sichuan University, Chengdu, 610065, Sichuan, China.
| | - Xin Wang
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering Sichuan University, Chengdu, 610065, Sichuan, China
| | - Da-Xu Li
- Sichuan Academy of Grassland Science, Chengdu, Sichuan, 611731, China
| | - Chang-Bing Zhang
- Sichuan Academy of Grassland Science, Chengdu, Sichuan, 611731, China
| | - Zhi-Hui Tian
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering Sichuan University, Chengdu, 610065, Sichuan, China
| | - Ming-Hong You
- Sichuan Academy of Grassland Science, Chengdu, Sichuan, 611731, China
| | - Shi-Qie Bai
- Sichuan Academy of Grassland Science, Chengdu, Sichuan, 611731, China.
| | - Hong-Hui Lin
- Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, State Key Laboratory of Hydraulics and Mountain River Engineering Sichuan University, Chengdu, 610065, Sichuan, China.
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Li J, Tian B. Peppermint Essential Oil Toxicity to the Pear Psylla (Hemiptera: Psyllidae) and Potential Applications in the Field. JOURNAL OF ECONOMIC ENTOMOLOGY 2020; 113:1307-1314. [PMID: 32010952 DOI: 10.1093/jee/toaa009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2019] [Indexed: 06/10/2023]
Abstract
Chinese pear psylla (Cacopsylla chinensis Yang et Li) is a serious orchard pest that causes declines in fruit quality through feeding damage and the spread of pathogens. The rapid development of chemical pesticide resistance has become a severe problem in controlling pear psylla. Thus, the development of natural pesticides to replace conventional chemical pesticides is urgently needed. Here, we found that the essential oil of peppermint (Mentha haplocalyx Briq. [Lamiales: Labiatae]) is an ideal agent for controlling pear psylla based on experiments in the laboratory and the field. The major constituents of peppermint essential oil were found including menthol (49.73%), menthone (30.52%), α-pinene (3.60%), and α-terpineol (3.81%). This oil and chemicals in it performed serious contact toxicity against the winter-form adults and nymphs of pear psylla, yielding LD50 values of 2.54, 10.71, 2.77, 5.85, and 12.58 μg/adult and 1.91, 9.56, 2.18, 4.98, and 12.07 μg/nymph, respectively. Furthermore, the essential oil strongly repelled the adults of pear psylla with 78% repellence at the highest concentration tested in a Y-tube olfactometer in the laboratory. The combined effect of the two factors made peppermint essential oil a natural pesticide, which achieved a maximum reduction of round to 80.9% in winter-form adult population and round to 67.0% in nymph population at the concentration of 4.0 ml/L in the field. Additionally, it had no effect on the natural enemies of pear psylla in the field. Therefore, peppermint essential oil has potential as an alternative to chemical pesticides for pest control in integrated pest management programs in pear orchards.
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Affiliation(s)
- Jianyi Li
- School of Life Sciences, Henan University, Jin Ming Avenue, Kaifeng, Henan, China
| | - Baoliang Tian
- School of Life Sciences, Henan University, Jin Ming Avenue, Kaifeng, Henan, China
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18
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Zhao X, Bai S, Li L, Han X, Li J, Zhu Y, Fang Y, Zhang D, Li S. Comparative Transcriptome Analysis of Two Aegilops tauschii with Contrasting Drought Tolerance by RNA-Seq. Int J Mol Sci 2020; 21:ijms21103595. [PMID: 32438769 PMCID: PMC7279474 DOI: 10.3390/ijms21103595] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 05/13/2020] [Accepted: 05/16/2020] [Indexed: 01/03/2023] Open
Abstract
As the diploid progenitor of common wheat, Aegilops tauschii is considered to be a valuable resistance source to various biotic and abiotic stresses. However, little has been reported concerning the molecular mechanism of drought tolerance in Ae. tauschii. In this work, the drought tolerance of 155 Ae. tauschii accessions was firstly screened on the basis of their coleoptile lengths under simulated drought stress. Subsequently, two accessions (XJ002 and XJ098) with contrasting coleoptile lengths were selected and intensively analyzed on rate of water loss (RWL) as well as physiological characters, confirming the difference in drought tolerance at the seedling stage. Further, RNA-seq was utilized for global transcriptome profiling of the two accessions seedling leaves under drought stress conditions. A total of 6969 differentially expressed genes (DEGs) associated with drought tolerance were identified, and their functional annotations demonstrated that the stress response was mediated by pathways involving alpha-linolenic acid metabolism, starch and sucrose metabolism, peroxisome, mitogen-activated protein kinase (MAPK) signaling, carbon fixation in photosynthetic organisms, and glycerophospholipid metabolism. In addition, DEGs with obvious differences between the two accessions were intensively analyzed, indicating that the expression level of DEGs was basically in alignment with the physiological changes of Ae. tauschii under drought stress. The results not only shed fundamental light on the regulatory process of drought tolerance in Ae. tauschii, but also provide a new gene resource for improving the drought tolerance of common wheat.
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Affiliation(s)
- Xinpeng Zhao
- Key Laboratory of Plant Stress Biology, State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng 475001, China; (X.Z.); (S.B.); (L.L.); (X.H.); (J.L.); (Y.Z.); (S.L.)
| | - Shenglong Bai
- Key Laboratory of Plant Stress Biology, State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng 475001, China; (X.Z.); (S.B.); (L.L.); (X.H.); (J.L.); (Y.Z.); (S.L.)
| | - Lechen Li
- Key Laboratory of Plant Stress Biology, State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng 475001, China; (X.Z.); (S.B.); (L.L.); (X.H.); (J.L.); (Y.Z.); (S.L.)
| | - Xue Han
- Key Laboratory of Plant Stress Biology, State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng 475001, China; (X.Z.); (S.B.); (L.L.); (X.H.); (J.L.); (Y.Z.); (S.L.)
| | - Jiahui Li
- Key Laboratory of Plant Stress Biology, State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng 475001, China; (X.Z.); (S.B.); (L.L.); (X.H.); (J.L.); (Y.Z.); (S.L.)
| | - Yumeng Zhu
- Key Laboratory of Plant Stress Biology, State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng 475001, China; (X.Z.); (S.B.); (L.L.); (X.H.); (J.L.); (Y.Z.); (S.L.)
| | - Yuan Fang
- College of Agriculture, Nanjing Agricultural University, Nanjing 210095, China;
| | - Dale Zhang
- Key Laboratory of Plant Stress Biology, State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng 475001, China; (X.Z.); (S.B.); (L.L.); (X.H.); (J.L.); (Y.Z.); (S.L.)
- Correspondence:
| | - Suoping Li
- Key Laboratory of Plant Stress Biology, State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng 475001, China; (X.Z.); (S.B.); (L.L.); (X.H.); (J.L.); (Y.Z.); (S.L.)
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19
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Wang C, Chen S, Dong Y, Ren R, Chen D, Chen X. Chloroplastic Os3BGlu6 contributes significantly to cellular ABA pools and impacts drought tolerance and photosynthesis in rice. THE NEW PHYTOLOGIST 2020; 226:1042-1054. [PMID: 31917861 DOI: 10.1111/nph.16416] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 12/25/2019] [Indexed: 05/22/2023]
Abstract
Cellular abscisic acid (ABA) concentration is determined by both de novo biosynthesis and recycling via β-glucosidase(s). However, which rice β-glucosidase(s) are involved in this process remains unknown. Here, we report on a chloroplastic β-glucosidase isoenzyme, Os3BGlu6, that functions in ABA recycling in rice. Disruption of Os3BGlu6 in rice resulted in dwarfism, lower ABA content in leaves, drought-sensitivity, lower photosynthesis rate and higher intercellular CO2 concentration. Os3BGlu6 could hydrolyze ABA-GE to ABA in vitro. The reversion and overexpression rice lines restored or increased the drought tolerance as shown by the higher β-glucosidase activity, ABA concentrations and expressions of ABA- and drought-responsive genes. Drought induced Os3BGlu6 to form dimers, and the degree of polymerization correlated well with the increase in cellular ABA concentrations and drought tolerance in rice. Os3BGlu6 was responsive to drought and ABA treatments, and the protein was localized to the chloroplast. Disruption of Os3BGlu6 resulted in the increased stomatal density and impaired stomatal movement. Transcriptomics revealed that disruption of Os3BGlu6 resulted in chloroplastic oxidative stress and lowered Rubisco activity even under normal conditions. Taken together, these results suggest that chloroplastically localized Os3BGlu6 significantly affects cellular ABA pools, thereby affecting drought tolerance and photosynthesis in rice.
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Affiliation(s)
- Chengliang Wang
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Shuai Chen
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Yanping Dong
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Ruijuan Ren
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Defu Chen
- Department of Genetics and Cell Biology, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Xiwen Chen
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Nankai University, Tianjin, 300071, China
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20
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Wei H, Liu J, Guo Q, Pan L, Chai S, Cheng Y, Ruan M, Ye Q, Wang R, Yao Z, Zhou G, Wan H. Genomic Organization and Comparative Phylogenic Analysis of NBS-LRR Resistance Gene Family in Solanum pimpinellifolium and Arabidopsis thaliana. Evol Bioinform Online 2020; 16:1176934320911055. [PMID: 32214791 PMCID: PMC7065440 DOI: 10.1177/1176934320911055] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 02/13/2020] [Indexed: 12/23/2022] Open
Abstract
NBS-LRR (nucleotide-binding site and leucine-rich repeat) is one of the largest resistance gene families in plants. The completion of the genome sequencing of wild tomato Solanum pimpinellifolium provided an opportunity to conduct a comprehensive analysis of the NBS-LRR gene superfamily at the genome-wide level. In this study, gene identification, chromosome mapping, and phylogenetic analysis of the NBS-LRR gene family were analyzed using the bioinformatics methods. The results revealed 245 NBS-LRRs in total, similar to that in the cultivated tomato. These genes are unevenly distributed on 12 chromosomes, and ~59.6% of them form gene clusters, most of which are tandem duplications. Phylogenetic analysis divided the NBS-LRRs into 2 subfamilies (CNL-coiled-coil NBS-LRR and TNL-TIR NBS-LRR), and the expansion of the CNL subfamily was more extensive than the TNL subfamily. Novel conserved structures were identified through conserved motif analysis between the CNL and TNL subfamilies. Compared with the NBS-LRR sequences from the model plant Arabidopsis thaliana, wide genetic variation occurred after the divergence of S. pimpinellifolium and A thaliana. Species-specific expansion was also found in the CNL subfamily in S. pimpinellifolium. The results of this study provide the basis for the deeper analysis of NBS-LRR resistance genes and contribute to mapping and isolation of candidate resistance genes in S. pimpinellifolium.
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Affiliation(s)
- Huawei Wei
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
- College of Horticulture, Anhui Agricultural University, Hefei, China
| | - Jia Liu
- Wulanchabu Academy of Agricultural and Husbandry Sciences, Wulanchabu, China
| | - Qinwei Guo
- Quzhou Academy of Agricultural Sciences, Quzhou, China
| | - Luzhao Pan
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Songlin Chai
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Yuan Cheng
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Meiying Ruan
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Qingjing Ye
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Rongqing Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Zhuping Yao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Guozhi Zhou
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Hongjian Wan
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
- China-Australia Research Centre for Crop Improvement, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
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21
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Xu P, Guo Q, Pang X, Zhang P, Kong D, Liu J. New Insights into Evolution of Plant Heat Shock Factors (Hsfs) and Expression Analysis of Tea Genes in Response to Abiotic Stresses. PLANTS (BASEL, SWITZERLAND) 2020; 9:E311. [PMID: 32131389 PMCID: PMC7154843 DOI: 10.3390/plants9030311] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 02/18/2020] [Accepted: 02/26/2020] [Indexed: 11/17/2022]
Abstract
Heat shock transcription factor (Hsf) is one of key regulators in plant abotic stress response. Although the Hsf gene family has been identified from several plant species, original and evolution relationship have been fragmented. In addition, tea, an important crop, genome sequences have been completed and function of the Hsf family genes in response to abiotic stresses was not illuminated. In this study, a total of 4208 Hsf proteins were identified within 163 plant species from green algae (Gonium pectorale) to angiosperm (monocots and dicots), which were distributed unevenly into each of plant species tested. The result indicated that Hsf originated during the early evolutionary history of chlorophytae algae and genome-wide genetic varies had occurred during the course of evolution in plant species. Phylogenetic classification of Hsf genes from the representative nine plant species into ten subfamilies, each of which contained members from different plant species, imply that gene duplication had occurred during the course of evolution. In addition, based on RNA-seq data, the member of the Hsfs showed different expression levels in the different organs and at the different developmental stages in tea. Expression patterns also showed clear differences among Camellia species, indicating that regulation of Hsf genes expression varied between organs in a species-specific manner. Furthermore, expression of most Hsfs in response to drought, cold and salt stresses, imply a possible positive regulatory role under abiotic stresses. Expression profiles of nineteen Hsf genes in response to heat stress were also analyzed by quantitative real-time RT-PCR. Several stress-responsive Hsf genes were highly regulated by heat stress treatment. In conclusion, these results lay a solid foundation for us to elucidate the evolutionary origin of plant Hsfs and Hsf functions in tea response to abiotic stresses in the future.
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Affiliation(s)
- Ping Xu
- Department of Tea Science, Zhejiang University, Hangzhou 310058, China;
| | - Qinwei Guo
- Quzhou Academy of Agricultural Sciences, Quzhou 324000, Zhejiang, China;
| | - Xin Pang
- Suzhou Polytechnic Institute of Agriculture, Suzhou 215008, China;
| | - Peng Zhang
- Wulanchabu Academy of Agricultural and Husbandry Sciences, Wulanchabu 012000, Inner Mongolia, China; (P.Z.); (D.K.)
| | - Dejuan Kong
- Wulanchabu Academy of Agricultural and Husbandry Sciences, Wulanchabu 012000, Inner Mongolia, China; (P.Z.); (D.K.)
| | - Jia Liu
- Wulanchabu Academy of Agricultural and Husbandry Sciences, Wulanchabu 012000, Inner Mongolia, China; (P.Z.); (D.K.)
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22
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Wei H, Liu J, Zheng J, Zhou R, Cheng Y, Ruan M, Ye Q, Wang R, Yao Z, Zhou G, Deng M, Chen Y, Wan H. Sugar transporter proteins in Capsicum: identification, characterization, evolution and expression patterns. BIOTECHNOL BIOTEC EQ 2020. [DOI: 10.1080/13102818.2020.1749529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
Affiliation(s)
- Huawei Wei
- College of Horticulture, Anhui Agricultural University, Hefei, China
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Jia Liu
- Wulanchabu Academy of Agricultural and Husbandry Sciences, Wulanchabu, China
| | - Jiaqiu Zheng
- Jiangsu Coastal Area Institute of Agricultural Sciences, Yancheng, China
| | - Rong Zhou
- Department of Food Science, Aarhus University, Agro Food Park, Denmark
| | - Yuan Cheng
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Meiying Ruan
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Qingjing Ye
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Rongqing Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Zhuping Yao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Guozhi Zhou
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Minghua Deng
- College of Horticulture and Landscape, Yunnan Agricultural University, Kunming, China
| | - Yougen Chen
- College of Horticulture, Anhui Agricultural University, Hefei, China
| | - Hongjian Wan
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
- China-Australia Research Centre for Crop Improvement, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
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23
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Wei J, Li J, Yu J, Cheng Y, Ruan M, Ye Q, Yao Z, Wang R, Zhou G, Deng M, Wan H. Construction of high-density bin map and QTL mapping of horticultural traits from an interspecific cross between Capsicum annuum and Chinese wild Capsicum frutescens. BIOTECHNOL BIOTEC EQ 2020. [DOI: 10.1080/13102818.2020.1787863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Affiliation(s)
- Jiaxiang Wei
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, PR China
| | - Jun Li
- Institute of Crop Science, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, Zhejiang, PR China
| | - Jiahong Yu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, PR China
| | - Yuan Cheng
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, PR China
| | - Meiying Ruan
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, PR China
| | - Qingjing Ye
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, PR China
| | - Zhuping Yao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, PR China
| | - Rongqing Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, PR China
| | - Guozhi Zhou
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, PR China
| | - Minghua Deng
- College of Horticulture and Landscape, Yunnan Agricultural University, Kunming, Yunnan, PR China
| | - Hongjian Wan
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, PR China
- China-Australia Research Centre for Crop Improvement, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, PR China
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24
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Wu T, Liu Z, Yang L, Cheng Y, Tu J, Yang F, Zhu H, Li X, Dai Y, Nie X, Qin Z. The Pyrus bretschneideri invertase gene family: identification, phylogeny and expression patterns. BIOTECHNOL BIOTEC EQ 2020. [DOI: 10.1080/13102818.2020.1745688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
Affiliation(s)
- Tao Wu
- Department of Pear Research, Institute of Fruit & Tea, Hubei Academy of Agricultural Sciences, Wuhan, Hubei, P.R. China
| | - Zheng Liu
- Department of Pear Research, Institute of Fruit & Tea, Hubei Academy of Agricultural Sciences, Wuhan, Hubei, P.R. China
| | - Li Yang
- Department of Pear Research, Institute of Fruit & Tea, Hubei Academy of Agricultural Sciences, Wuhan, Hubei, P.R. China
| | - Yinsheng Cheng
- Department of Pear Research, Institute of Fruit & Tea, Hubei Academy of Agricultural Sciences, Wuhan, Hubei, P.R. China
| | - Junfan Tu
- Department of Pear Research, Institute of Fruit & Tea, Hubei Academy of Agricultural Sciences, Wuhan, Hubei, P.R. China
| | - Fuchen Yang
- Department of Pear Research, Institute of Fruit & Tea, Hubei Academy of Agricultural Sciences, Wuhan, Hubei, P.R. China
| | - Hongyan Zhu
- Department of Pear Research, Institute of Fruit & Tea, Hubei Academy of Agricultural Sciences, Wuhan, Hubei, P.R. China
| | - Xianming Li
- Department of Pear Research, Institute of Fruit & Tea, Hubei Academy of Agricultural Sciences, Wuhan, Hubei, P.R. China
| | - Yonghong Dai
- Department of Pear Research, Institute of Fruit & Tea, Hubei Academy of Agricultural Sciences, Wuhan, Hubei, P.R. China
| | - Xianshuang Nie
- Department of Pear Research, Institute of Fruit & Tea, Hubei Academy of Agricultural Sciences, Wuhan, Hubei, P.R. China
| | - Zhongqi Qin
- Department of Pear Research, Institute of Fruit & Tea, Hubei Academy of Agricultural Sciences, Wuhan, Hubei, P.R. China
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25
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Guo Q, Liu H, Zhang X, Zhang T, Li C, Xiang X, Cui W, Fang P, Wan H, Cao C, Zhao D. Genome-wide identification and expression analysis of the carotenoid metabolic pathway genes in pepper ( Capsicum annuum L.). BIOTECHNOL BIOTEC EQ 2020. [DOI: 10.1080/13102818.2020.1824618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Affiliation(s)
- Qinwei Guo
- Quzhou Key Laboratory for Germplasm Innovation and Utilization of Crop, Institute of Vegetables, Quzhou Academy of Agricultural Sciences, Quzhou, PR China
| | - Huiqin Liu
- Quzhou Key Laboratory for Germplasm Innovation and Utilization of Crop, Institute of Vegetables, Quzhou Academy of Agricultural Sciences, Quzhou, PR China
| | - Xinhui Zhang
- Quzhou Key Laboratory for Germplasm Innovation and Utilization of Crop, Institute of Vegetables, Quzhou Academy of Agricultural Sciences, Quzhou, PR China
| | - Ting Zhang
- Quzhou Key Laboratory for Germplasm Innovation and Utilization of Crop, Institute of Vegetables, Quzhou Academy of Agricultural Sciences, Quzhou, PR China
| | - Chaosen Li
- Quzhou Key Laboratory for Germplasm Innovation and Utilization of Crop, Institute of Vegetables, Quzhou Academy of Agricultural Sciences, Quzhou, PR China
| | - Xiaomin Xiang
- Quzhou Key Laboratory for Germplasm Innovation and Utilization of Crop, Institute of Vegetables, Quzhou Academy of Agricultural Sciences, Quzhou, PR China
| | - Wenhao Cui
- Quzhou Key Laboratory for Germplasm Innovation and Utilization of Crop, Institute of Vegetables, Quzhou Academy of Agricultural Sciences, Quzhou, PR China
| | - Pingping Fang
- Lab of Plant Quality and Safety Biology, College of Life Sciences, China Jiliang University, Hangzhou, PR China
| | - Hongjian Wan
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou, PR China
- China-Australia Research Centre for Crop Improvement, Zhejiang Academy of Agricultural Sciences, Hangzhou, PR China
| | - Chunxin Cao
- Laboratory of Pepper Molecular Breeding, Institute of Vegetables, Jinhua Academy of Agricultural Sciences, Jinhua, PR China
| | - Dongfeng Zhao
- Quzhou Key Laboratory for Germplasm Innovation and Utilization of Crop, Institute of Vegetables, Quzhou Academy of Agricultural Sciences, Quzhou, PR China
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26
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Pan L, Guo Q, Chai S, Cheng Y, Ruan M, Ye Q, Wang R, Yao Z, Zhou G, Li Z, Deng M, Jin F, Liu L, Wan H. Evolutionary Conservation and Expression Patterns of Neutral/Alkaline Invertases in Solanum. Biomolecules 2019; 9:biom9120763. [PMID: 31766568 PMCID: PMC6995568 DOI: 10.3390/biom9120763] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 11/15/2019] [Accepted: 11/20/2019] [Indexed: 01/22/2023] Open
Abstract
The invertase gene family in plants is composed of two subfamilies of enzymes, namely, acid- and neutral/alkaline invertases (cytosolic invertase, CIN). Both can irreversibly cleave sucrose into fructose and glucose, which are thought to play key roles in carbon metabolism and plant growth. CINs are widely found in plants, but little is reported about this family. In this paper, a comparative genomic approach was used to analyze the CIN gene family in Solanum, including Solanum tuberosum, Solanum lycopersicum, Solanum pennellii, Solanum pimpinellifolium, and Solanum melongena. A total of 40 CINs were identified in five Solanum plants, and sequence features, phylogenetic relationships, motif compositions, gene structure, collinear relationship, and expression profile were further analyzed. Sequence analysis revealed a remarkable conservation of CINs in sequence length, gene number, and molecular weight. The previously verified four amino acid residues (D188, E414, Arg430, and Ser547) were also observed in 39 out of 40 CINs in our study, showing to be deeply conserved. The CIN gene family could be distinguished into groups α and β, and α is further subdivided into subgroups α1 and α2 in our phylogenetic tree. More remarkably, each species has an average of four CINs in the α and β groups. Marked interspecies conservation and collinearity of CINs were also further revealed by chromosome mapping. Exon-intron configuration and conserved motifs were consistent in each of these α and β groups on the basis of in silico analysis. Expression analysis indicated that CINs were constitutively expressed and share similar expression profiles in all tested samples from S. tuberosum and S. lycopersicum. In addition, in CIN genes of the tomato and potato in response to abiotic and biotic stresses, phytohormones also performed. Overall, CINs in Solanum were encoded by a small and highly conserved gene family, possibly reflecting structural and functional conservation in Solanum. These results lay the foundation for further expounding the functional characterization of CIN genes and are also significant for understanding the evolutionary profiling of the CIN gene family in Solanum.
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Affiliation(s)
- Luzhao Pan
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China; (L.P.); (S.C.); (L.L.)
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China; (Y.C.); (M.R.); (Q.Y.); (R.W.); (Z.Y.); (G.Z.); (Z.L.)
| | - Qinwei Guo
- Quzhou Academy of Agricultural Sciences, Quzhou 324000, Zhejiang, China;
| | - Songlin Chai
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China; (L.P.); (S.C.); (L.L.)
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China; (Y.C.); (M.R.); (Q.Y.); (R.W.); (Z.Y.); (G.Z.); (Z.L.)
| | - Yuan Cheng
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China; (Y.C.); (M.R.); (Q.Y.); (R.W.); (Z.Y.); (G.Z.); (Z.L.)
| | - Meiying Ruan
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China; (Y.C.); (M.R.); (Q.Y.); (R.W.); (Z.Y.); (G.Z.); (Z.L.)
| | - Qingjing Ye
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China; (Y.C.); (M.R.); (Q.Y.); (R.W.); (Z.Y.); (G.Z.); (Z.L.)
| | - Rongqing Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China; (Y.C.); (M.R.); (Q.Y.); (R.W.); (Z.Y.); (G.Z.); (Z.L.)
| | - Zhuping Yao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China; (Y.C.); (M.R.); (Q.Y.); (R.W.); (Z.Y.); (G.Z.); (Z.L.)
| | - Guozhi Zhou
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China; (Y.C.); (M.R.); (Q.Y.); (R.W.); (Z.Y.); (G.Z.); (Z.L.)
| | - Zhimiao Li
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China; (Y.C.); (M.R.); (Q.Y.); (R.W.); (Z.Y.); (G.Z.); (Z.L.)
| | - Minghua Deng
- College of Horticulture and landscape, Yunnan Agricultural University, Kunming 650201, China;
| | - Fengmei Jin
- Tianjin Research Center of Agricultural Biotechnology, Tianjin 300192, China;
| | - Lecheng Liu
- College of Horticulture and Gardening, Yangtze University, Jingzhou 434025, China; (L.P.); (S.C.); (L.L.)
| | - Hongjian Wan
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Vegetables, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China; (Y.C.); (M.R.); (Q.Y.); (R.W.); (Z.Y.); (G.Z.); (Z.L.)
- China-Australia Research Centre for Crop Improvement, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
- Correspondence: ; Tel.: +86-571-86407677; Fax: +86-571-86400997
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27
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Ren R, Li D, Zhen C, Chen D, Chen X. Specific roles of Os4BGlu10, Os6BGlu24, and Os9BGlu33 in seed germination, root elongation, and drought tolerance in rice. PLANTA 2019; 249:1851-1861. [PMID: 30848355 DOI: 10.1007/s00425-019-03125-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 03/04/2019] [Indexed: 06/09/2023]
Abstract
Morphological, physiological, and gene expression analyses showed that Os4BGlu10, Os6BGlu24, and Os9BGlu33 played specific roles in seed germination, root elongation, and drought tolerance of rice, with various relations with indole-3-acetic acid (IAA) and abscisic acid (ABA) signaling. β-Glucosidases (BGlus) belong to glycoside hydrolase family 1 and have many functions in plants. In this study, we investigated the function of three BGlus in seed germination, drought tolerance, and root elongation using the loss-of-function mutants bglu10, bglu24, and bglu33. These mutants germinated slightly later under normal conditions and had significantly longer roots than the wild type. In the presence of ABA, bglu10 and bglu24 exhibited a higher germination inhibition percentage, whereas bglu33 had a lower germination inhibition percentage, compared to the wild type. All of the mutants exhibited less drought tolerance, with the survival rates significantly lower than that of the wild type, which was also confirmed by a decrease in relative leaf water content and Fv/Fm ratio after drought treatment. The root length of bglu10 did not respond to IAA, whereas that of bglu24 responded to a high (0.25 µM) concentration of IAA, and that of bglu33 to a low (0.05 µM) concentration of IAA. The root length of bglu10 and bglu24 did not respond to ABA, whereas that of bglu33 increased significantly in response to a high (0.05 µM) concentration of ABA. Quantitative real-time polymerase chain reaction (qRT-PCR) analysis showed that expression of Os4BGlu10 was up-regulated by polyethylene glycol (PEG), whereas that of Os6BGlu24 was up-regulated by 0.25 µM IAA, and Os9BGlu33 was up-regulated by PEG, IAA, and ABA. Taken together, we demonstrate that Os4BGlu10, Os6BGlu24, and Os9BGlu33 play specific roles in seed germination, root elongation, and drought tolerance with various relation with IAA and ABA signaling.
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Affiliation(s)
- Ruijuan Ren
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Dong Li
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Chunyan Zhen
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Defu Chen
- Department of Genetics and Cell Biology, College of Life Sciences, Nankai University, Tianjin, 300071, China.
| | - Xiwen Chen
- Department of Biochemistry and Molecular Biology, College of Life Sciences, Nankai University, Tianjin, 300071, China.
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28
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Liu H, Guo S, Lu M, Zhang Y, Li J, Wang W, Wang P, Zhang J, Hu Z, Li L, Si L, Zhang J, Qi Q, Jiang X, Botella JR, Wang H, Song CP. Biosynthesis of DHGA 12 and its roles in Arabidopsis seedling establishment. Nat Commun 2019; 10:1768. [PMID: 30992454 PMCID: PMC6467921 DOI: 10.1038/s41467-019-09467-5] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 03/13/2019] [Indexed: 11/12/2022] Open
Abstract
Seed germination and photoautotrophic establishment are controlled by the antagonistic activity of the phytohormones gibberellins (GAs) and abscisic acid (ABA). Here we show that Arabidopsis thaliana GAS2 (Gain of Function in ABA-modulated Seed Germination 2), a protein belonging to the Fe-dependent 2-oxoglutarate dioxygenase superfamily, catalyzes the stereospecific hydration of GA12 to produce GA12 16, 17-dihydro-16α-ol (DHGA12). We show that DHGA12, a C20-GA has an atypical structure compared to known active GAs but can bind to the GA receptor (GID1c). DHGA12 can promote seed germination, hypocotyl elongation and cotyledon greening. Silencing and over-expression of GAS2 alters the ABA/GA ratio and sensitivity to ABA during seed germination and photoautotrophic establishment. Hence, we propose that GAS2 acts to modulate hormonal balance during early seedling development. Gibberellins are a major class of phytohormones that regulate plant growth and development. Here the authors show that the Arabidopsis GAS2 protein catalyses production of DHGA12, an atypical bioactive GA, and show that GAS2 regulates ABA sensitivity during seed germination and early development.
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Affiliation(s)
- Hao Liu
- Key Laboratory of Plant Stress Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China.,State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China
| | - Siyi Guo
- Key Laboratory of Plant Stress Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China.,State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China
| | - Minghua Lu
- College of Chemistry and Chemical Engineering, Henan University, 475004, Kaifeng, China
| | - Yu Zhang
- Key Laboratory of Plant Stress Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China.,State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China
| | - Junhua Li
- College of Life Sciences, Henan Normal University, 453007, Xinxiang, China
| | - Wei Wang
- Key Laboratory of Plant Stress Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China.,State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China
| | - Pengtao Wang
- Key Laboratory of Plant Stress Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China.,State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China
| | - Junli Zhang
- Key Laboratory of Plant Stress Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China.,State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China
| | - Zhubing Hu
- Key Laboratory of Plant Stress Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China.,State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China
| | - Liangliang Li
- Key Laboratory of Plant Stress Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China.,State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China
| | - Lingyu Si
- Key Laboratory of Plant Stress Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China.,State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China
| | - Jie Zhang
- Key Laboratory of Plant Stress Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China.,State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China
| | - Qi Qi
- College of Biological Sciences and Biotechnology, Beijing Forestry University, 100083, Beijing, China
| | - Xiangning Jiang
- College of Biological Sciences and Biotechnology, Beijing Forestry University, 100083, Beijing, China
| | - José Ramón Botella
- Key Laboratory of Plant Stress Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China.,State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China.,Plant Genetic Engineering Laboratory, School of Agriculture and Food Sciences, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Hua Wang
- Engineering Research Center for Nanomaterials, Henan University, 475004, Kaifeng, China
| | - Chun-Peng Song
- Key Laboratory of Plant Stress Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China. .,State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, 475004, Kaifeng, China.
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Genome-Wide Analysis of Glycoside Hydrolase Family 1 β-glucosidase Genes in Brassica rapa and Their Potential Role in Pollen Development. Int J Mol Sci 2019; 20:ijms20071663. [PMID: 30987159 PMCID: PMC6480273 DOI: 10.3390/ijms20071663] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 03/29/2019] [Accepted: 04/01/2019] [Indexed: 12/03/2022] Open
Abstract
Glycoside hydrolase family 1 (GH1) β-glucosidases (BGLUs) are encoded by a large number of genes, and are involved in many developmental processes and stress responses in plants. Due to their importance in plant growth and development, genome-wide analyses have been conducted in model plants (Arabidopsis and rice) and maize, but not in Brassica species, which are important vegetable crops. In this study, we systematically analyzed B. rapaBGLUs (BrBGLUs), and demonstrated the involvement of several genes in pollen development. Sixty-four BrBGLUs were identified in Brassica databases, which were anchored onto 10 chromosomes, with 10 tandem duplications. Phylogenetic analysis revealed that 64 genes were classified into 10 subgroups, and each subgroup had relatively conserved intron/exon structures. Clustering with Arabidopsis BGLUs (AtBGLUs) facilitated the identification of several important subgroups for flavonoid metabolism, the production of glucosinolates, the regulation of abscisic acid (ABA) levels, and other defense-related compounds. At least six BrBGLUs might be involved in pollen development. The expression of BrBGLU10/AtBGLU20, the analysis of co-expressed genes, and the examination of knocked down Arabidopsis plants strongly suggests that BrBGLU10/AtBGLU20 has an indispensable function in pollen development. The results that are obtained from this study may provide valuable information for the further understanding of β-glucosidase function and Brassica breeding, for nutraceuticals-rich Brassica crops.
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30
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Wang W, Chen Q, Botella JR, Guo S. Beyond Light: Insights Into the Role of Constitutively Photomorphogenic1 in Plant Hormonal Signaling. FRONTIERS IN PLANT SCIENCE 2019; 10:557. [PMID: 31156657 PMCID: PMC6532413 DOI: 10.3389/fpls.2019.00557] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Accepted: 04/12/2019] [Indexed: 05/20/2023]
Abstract
Light is an important environmental factor with profound effects in plant growth and development. Constitutively photomorphogenic1 (COP1) is a vital component of the light signaling pathway as a negative regulator of photomorphogenesis. Although the role of COP1 in light signaling has been firmly established for some time, recent studies have proven that COP1 is also a crucial part of multiple plant hormonal regulatory pathways. In this article, we review the available evidence involving COP1 in hormone signaling, its molecular mechanisms, and its contribution to the complicated regulatory network linking light and plant hormone signaling.
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Affiliation(s)
- Wenjing Wang
- Key Laboratory of Plant Stress Biology, School of Life Sciences, Henan University, Kaifeng, China
- Department of Biology and Food Science, Shangqiu Normal University, Shangqiu, China
| | - Qingbin Chen
- Key Laboratory of Plant Stress Biology, School of Life Sciences, Henan University, Kaifeng, China
- State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng, China
| | - José Ramón Botella
- Plant Genetic Engineering Laboratory, School of Agriculture and Food Sciences, The University of Queensland, Brisbane, QLD, Australia
- *Correspondence: José Ramón Botella,
| | - Siyi Guo
- Key Laboratory of Plant Stress Biology, School of Life Sciences, Henan University, Kaifeng, China
- State Key Laboratory of Cotton Biology, School of Life Sciences, Henan University, Kaifeng, China
- Siyi Guo,
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31
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Wang T, Hua Y, Chen M, Zhang J, Guan C, Zhang Z. Mechanism Enhancing Arabidopsis Resistance to Cadmium: The Role of NRT1.5 and Proton Pump. FRONTIERS IN PLANT SCIENCE 2018; 9:1892. [PMID: 30619437 PMCID: PMC6305759 DOI: 10.3389/fpls.2018.01892] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Accepted: 12/06/2018] [Indexed: 05/15/2023]
Abstract
Aim: Heavy metal pollution is serious in China, and abscisic acid (ABA) is an important stress hormone. How it regulates plant tolerance to cadmium remains unclear, so we aimed to explore the molecular mechanism responsible for enhanced cadmium resistance in Arabidopsis wild-type and mutant plants and Brassica napus seedlings. Methods: Arabidopsis/B. napus were cultured hydroponically for 28/15 days and then treated with 20/10 μM Cd/Cd+ABA (5 μM) for 3/4 days. Chlorophyll degradation rate, SPAD values, proline, MDA, ABA,NO 3 - , and Cd concentrations were measured in root vacuoles and protoplasts; root to shootNO 3 - and Cd concentration ratios were determined and NRT1.5-, NRT1.8-, BnNRT1.5-, and BnNRT1.8-related gene expression was studied. Results: Cytoplasmic ABA levels in root cells of bglu10 and bglu18 Arabidopsis mutants were significantly lower than those in the wild-type, apparently making the latter more resistant to Cd.NO 3 - long-distance transporter NRT1.5 responded to ABA signaling by downregulating its own expression, while NRT1.8 did not respond. Concomitantly, proton pump activity in wild-type plants was higher than in the bglu10 and bglu18 mutants; thus, moreNO 3 - and Cd accumulated in the vacuoles of wild-type root cells. ABA application inhibited Cd absorption by B. napus. BnNRT1.5 responded to exogenous ABA signal by downregulating its own expression, while the lack of response by BnNRT1.8 resulted in increased amount ofNO 3 - accumulating in the roots to participate in the anti-cadmium reaction. Conclusion: NRT1.5 responds to the ABA signal to inhibit its own expression, whereas unresponsiveness of NRT1.8 causes accumulation ofNO 3 - in the roots; thus, enhancing Cd resistance. In Arabidopsis, because of proton pump action, moreNO 3 - and Cd accumulate in the vacuoles of Arabidopsis root cells, thereby reducing damage by Cd toxicity. However, in B. napus, the addition of exogenous ABA inhibited Cd absorption. Our data provide a sound basis to the theoretical molecular mechanism involved in hormone signaling during response of plants to heavy metal stress.
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Affiliation(s)
- Tao Wang
- Southern Regional Collaborative Innovation Center for Grain and Oil Crops in China, College of Resources and Environmental Sciences, Hunan Agricultural University, Changsha, China
- Hunan Provincial Key Laboratory of Farmland Pollution Control and Agricultural Resources Use, Hunan Provincial Key Laboratory of Nutrition in Common University, National Engineering Laboratory on Soil and Fertilizer Resources Efficient Utilization, Changsha, China
| | - Yingpeng Hua
- Southern Regional Collaborative Innovation Center for Grain and Oil Crops in China, College of Resources and Environmental Sciences, Hunan Agricultural University, Changsha, China
- Hunan Provincial Key Laboratory of Farmland Pollution Control and Agricultural Resources Use, Hunan Provincial Key Laboratory of Nutrition in Common University, National Engineering Laboratory on Soil and Fertilizer Resources Efficient Utilization, Changsha, China
| | - Moxian Chen
- Department of Biology, Hong Kong Baptist University and State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Jianhua Zhang
- Department of Biology, Hong Kong Baptist University, Hong Kong, China
| | - Chunyun Guan
- National Center of Oilseed Crops Improvement, Hunan Branch, Changsha, China
| | - Zhenhua Zhang
- Southern Regional Collaborative Innovation Center for Grain and Oil Crops in China, College of Resources and Environmental Sciences, Hunan Agricultural University, Changsha, China
- Hunan Provincial Key Laboratory of Farmland Pollution Control and Agricultural Resources Use, Hunan Provincial Key Laboratory of Nutrition in Common University, National Engineering Laboratory on Soil and Fertilizer Resources Efficient Utilization, Changsha, China
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32
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Hannemann L, Lucaciu CR, Sharma S, Rattei T, Mayer KFX, Gierl A, Frey M. A promiscuous beta-glucosidase is involved in benzoxazinoid deglycosylation in Lamium galeobdolon. PHYTOCHEMISTRY 2018; 156:224-233. [PMID: 30336442 DOI: 10.1016/j.phytochem.2018.10.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 08/27/2018] [Accepted: 10/10/2018] [Indexed: 05/28/2023]
Abstract
In the plant kingdom beta-glucosidases (BGLUs) of the glycosidase hydrolase family 1 have essential function in primary metabolism and are particularly employed in secondary metabolism. They are essential for activation in two-component defence systems based on stabilisation of reactive compounds by glycosylation. Based on de novo assembly we isolated and functionally characterised BGLUs expressed in leaves of Lamium galeobdolon (LgGLUs). LgGLU1 could be assigned to hydrolysis of the benzoxazinoid GDIBOA (2,4-dihydroxy-1,4-benzoxazin-3-one glucoside). Within the Lamiaceae L. galeobdolon is distinguished by the presence GDIBOA in addition to the more common iridoid harpagide. Although LgGLU1 proved to be promiscuous with respect to accepted substrates, harpagide hydrolysis was not detected. Benzoxazinoids are characteristic defence compounds of the Poales but are also found in some unrelated dicots. The benzoxazinoid specific BGLUs have recently been identified for the grasses maize, wheat, rye and the Ranunculaceae Consolida orientalis. All enzymes share a general substrate ambiguity but differ in detailed substrate pattern. The isolation of the second dicot GDIBOA glucosidase LgGLU1 allowed it to analyse the phylogenetic relation of the distinct BGLUs also within dicots. The data revealed long periods of independent sequence evolution before speciation.
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Affiliation(s)
- Laura Hannemann
- Chair of Plant Breeding, Technical University of Munich, Liesel-Beckmann-Str. 2, D-85354, Freising, Germany.
| | - Calin Rares Lucaciu
- Division of Computational Systems Biology, University of Vienna, Althanstr. 14 A-1090, Vienna, Austria.
| | - Sapna Sharma
- Plant Genome and Systems Biology, Helmholtz Center Munich, Ingolstädter Landstraße 1, D-85764, Neuherberg, Germany.
| | - Thomas Rattei
- Division of Computational Systems Biology, University of Vienna, Althanstr. 14 A-1090, Vienna, Austria.
| | - Klaus F X Mayer
- Plant Genome and Systems Biology, Helmholtz Center Munich, Ingolstädter Landstraße 1, D-85764, Neuherberg, Germany; School of Life Sciences, Technical University Munich, Germany.
| | - Alfons Gierl
- Chair of Genetics, Technical University of Munich, Emil-Ramann-Str. 8, D-85354, Freising, Germany.
| | - Monika Frey
- Chair of Plant Breeding, Technical University of Munich, Liesel-Beckmann-Str. 2, D-85354, Freising, Germany.
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33
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Vishal B, Kumar PP. Regulation of Seed Germination and Abiotic Stresses by Gibberellins and Abscisic Acid. FRONTIERS IN PLANT SCIENCE 2018; 9:838. [PMID: 29973944 PMCID: PMC6019495 DOI: 10.3389/fpls.2018.00838] [Citation(s) in RCA: 114] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 05/30/2018] [Indexed: 05/19/2023]
Abstract
Overall growth and development of a plant is regulated by complex interactions among various hormones, which is critical at different developmental stages. Some of the key aspects of plant growth include seed development, germination and plant survival under unfavorable conditions. Two of the key phytohormones regulating the associated physiological processes are gibberellins (GA) and abscisic acid (ABA). GAs participate in numerous developmental processes, including, seed development and seed germination, seedling growth, root proliferation, determination of leaf size and shape, flower induction and development, pollination and fruit expansion. Despite the association with abiotic stresses, ABA is essential for normal plant growth and development. It plays a critical role in different abiotic stresses by regulating various downstream ABA-dependent stress responses. Plants maintain a balance between GA and ABA levels constantly throughout the developmental processes at different tissues and organs, including under unfavorable environmental or physiological conditions. Here, we will review the literature on how GA and ABA control different stages of plant development, with focus on seed germination and selected abiotic stresses. The possible crosstalk of ABA and GA in specific events of the above processes will also be discussed, with emphasis on downstream stress signaling components, kinases and transcription factors (TFs). The importance of several key ABA and GA signaling intermediates will be illustrated. The knowledge gained from such studies will also help to establish a solid foundation to develop future crop improvement strategies.
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34
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Parveda M, Kiran B, Punita DL, Kavi Kishor PB. Overexpression of SbAP37 in rice alleviates concurrent imposition of combination stresses and modulates different sets of leaf protein profiles. PLANT CELL REPORTS 2017; 36:773-786. [PMID: 28393269 DOI: 10.1007/s00299-017-2134-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Accepted: 03/15/2017] [Indexed: 06/07/2023]
Abstract
SbAP37 transcription factor contributes to a combination of abiotic stresses when applied simultaneously in rice. It modulates a plethora of proteins that might regulate the downstream pathways to impart salt stress tolerance. APETALA type of transcription factor was isolated from Sorghum bicolor (SbAP37), overexpressed in rice using a salt inducible abscisic acid 2 (ABA2) promoter through Agrobacterium tumefaciens following in planta method. Transgenics were confirmed by PCR amplification of SbAP37, hygromycin phosphotransferase (hptII) marker and ABA2 promoter and DNA blot analysis. Plants were exposed to 150 mM NaCl coupled with high day/night 36 ± 2/25 ± 2 °C temperatures and also drought stress by withholding water for 1-week separately at the booting stage. SbAP37 expression was 2.8- to 4.7-folds higher in transgenic leaf under salt, but 1.8- to 3.3-folds higher in roots under drought stress. Native gene expression analysis showed that it is expressed more in stem than in roots and leaves under 150 mM NaCl and 6% PEG stress. In the present study, proteomic analysis of transgenics exposed to 150 mM NaCl coupled with elevated temperatures was taken up using quadrupole time-of-flight (Q-TOF) mass spectrometry (MS). The leaf proteome revealed 11 down regulated, 26 upregulated, 101 common (shared), 193 newly synthesized proteins in transgenics besides 368 proteins in untransformed plants. Some of these protein sets appeared different and unique to combined stresses. Our results suggest that the SbAP37 has the potential to improve combined stress tolerance without causing undesirable phenotypic characters when used under the influence of ABA2 promoter.
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Affiliation(s)
| | - B Kiran
- Bayer BioScience Pvt. Ltd., Madhapur, Hyderabad, 500 081, India
| | - D L Punita
- Department of Genetics, Osmania University, Hyderabad, 500 007, India
| | - P B Kavi Kishor
- Department of Genetics, Osmania University, Hyderabad, 500 007, India.
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35
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Baba SA, Vishwakarma RA, Ashraf N. Functional Characterization of CsBGlu12, a β-Glucosidase from Crocus sativus, Provides Insights into Its Role in Abiotic Stress through Accumulation of Antioxidant Flavonols. J Biol Chem 2017; 292:4700-4713. [PMID: 28154174 DOI: 10.1074/jbc.m116.762161] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Revised: 01/30/2017] [Indexed: 10/20/2022] Open
Abstract
Glycosylation and deglycosylation are impressive mechanisms that allow plants to regulate the biological activity of an array of secondary metabolites. Although glycosylation improves solubility and renders the metabolites suitable for transport and sequestration, deglycosylation activates them to carry out biological functions. Herein, we report the functional characterization of CsBGlu12, a β-glucosidase from Crocus sativus. CsBGlu12 has a characteristic glucoside hydrolase 1 family (α/β)8 triose-phosphate isomerase (TIM) barrel structure with a highly conserved active site. In vitro enzyme activity revealed that CsBGlu12 catalyzes the hydrolysis of flavonol β-glucosides and cello-oligosaccharides. Site-directed mutagenesis of any of the two conserved catalytic glutamic acid residues (Glu200 and Glu414) of the active site completely abolishes the β-glucosidase activity. Transcript analysis revealed that Csbglu12 is highly induced in response to UV-B, dehydration, NaCl, methyl jasmonate, and abscisic acid treatments indicating its possible role in plant stress response. Transient overexpression of CsBGlu12 leads to the accumulation of antioxidant flavonols in Nicotiana benthamiana and confers tolerance to abiotic stresses. Antioxidant assays indicated that accumulation of flavonols alleviated the accretion of reactive oxygen species during abiotic stress conditions. β-Glucosidases are known to play a role in abiotic stresses, particularly dehydration through abscisic acid; however, their role through accumulation of reactive oxygen species (ROS) scavenging flavonols has not been established. Furthermore, only one β-glucosidase 12 homolog has been characterized so far. Therefore, this work presents an important report on characterization of CsBGlu12 and its role in abiotic stress through ROS scavenging.
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Affiliation(s)
- Shoib Ahmad Baba
- From the Plant Biotechnology Division, Council of Scientific and Industrial Research-Indian Institute of Integrative Medicine, Sanat Nagar, Srinagar, Jammu and Kashmir 190005 and.,the Academy of Scientific and Innovative Research and
| | - Ram A Vishwakarma
- Medicinal Chemistry Division, Council of Scientific and Industrial Research-Indian Institute of Integrative Medicine, Canal Road, Jammu Tawi-180001, India
| | - Nasheeman Ashraf
- From the Plant Biotechnology Division, Council of Scientific and Industrial Research-Indian Institute of Integrative Medicine, Sanat Nagar, Srinagar, Jammu and Kashmir 190005 and .,the Academy of Scientific and Innovative Research and
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36
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Cao YY, Yang JF, Liu TY, Su ZF, Zhu FY, Chen MX, Fan T, Ye NH, Feng Z, Wang LJ, Hao GF, Zhang J, Liu YG. A Phylogenetically Informed Comparison of GH1 Hydrolases between Arabidopsis and Rice Response to Stressors. FRONTIERS IN PLANT SCIENCE 2017; 8:350. [PMID: 28392792 PMCID: PMC5364172 DOI: 10.3389/fpls.2017.00350] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Accepted: 02/28/2017] [Indexed: 05/21/2023]
Abstract
Glycoside hydrolases Family 1 (GH1) comprises enzymes that can hydrolyze β-O-glycosidic bond from a carbohydrate moiety. The plant GH1 hydrolases participate in a number of developmental processes and stress responses, including cell wall modification, plant hormone activation or deactivation and herbivore resistance. A large number of members has been observed in this family, suggesting their potential redundant functions in various biological processes. In this study, we have used 304 sequences of plant GH1 hydrolases to study the evolution of this gene family in plant lineage. Gene duplication was found to be a common phenomenon in this gene family. Although many members of GH1 hydrolases showed a high degree of similarity in Arabidopsis and rice, they showed substantial tissue specificity and differential responses to various stress treatments. This differential regulation implies each enzyme may play a distinct role in plants. Furthermore, some of salt-responsive Arabidopsis GH1 hydrolases were selected to test their genetic involvement in salt responses. The knockout mutants of AtBGLU1 and AtBGLU19 were observed to be less-sensitive during NaCl treatment in comparison to the wild type seedlings, indicating their participation in salt stress response. In summary, Arabidopsis and rice GH1 glycoside hydrolases showed distinct features in their evolutionary path, transcriptional regulation and genetic functions.
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Affiliation(s)
- Yun-Ying Cao
- State Key Laboratory of Crop Biology, College of Life Science, Shandong Agricultural UniversityTaian, China
- College of Life Sciences, Nantong UniversityNantong, China
- Ministry of Agricultural Scientific Observing and Experimental Station of Maize in Plain Area of Southern Region, Nantong UniversityNantong, China
| | - Jing-Fang Yang
- College of Chemistry, Central China Normal UniversityWuhan, China
| | - Tie-Yuan Liu
- School of Life Sciences and State Key Laboratory of Agrobiotechnology, The Chinese University of Hong KongShatin, Hong Kong
| | - Zhen-Feng Su
- State Key Laboratory of Crop Biology, College of Life Science, Shandong Agricultural UniversityTaian, China
| | - Fu-Yuan Zhu
- School of Life Sciences and State Key Laboratory of Agrobiotechnology, The Chinese University of Hong KongShatin, Hong Kong
- Shenzhen Research Institute, The Chinese University of Hong KongShenzhen, China
| | - Mo-Xian Chen
- School of Life Sciences and State Key Laboratory of Agrobiotechnology, The Chinese University of Hong KongShatin, Hong Kong
- Shenzhen Research Institute, The Chinese University of Hong KongShenzhen, China
| | - Tao Fan
- State Key Laboratory of Crop Biology, College of Life Science, Shandong Agricultural UniversityTaian, China
| | - Neng-Hui Ye
- School of Life Sciences and State Key Laboratory of Agrobiotechnology, The Chinese University of Hong KongShatin, Hong Kong
- Shenzhen Research Institute, The Chinese University of Hong KongShenzhen, China
| | - Zhen Feng
- Jiangsu Entry-exit Inspection And Quarantine BureauNanjing, China
| | - Ling-Juan Wang
- College of Life Sciences, Nantong UniversityNantong, China
| | - Ge-Fei Hao
- College of Chemistry, Central China Normal UniversityWuhan, China
| | - Jianhua Zhang
- School of Life Sciences and State Key Laboratory of Agrobiotechnology, The Chinese University of Hong KongShatin, Hong Kong
- Shenzhen Research Institute, The Chinese University of Hong KongShenzhen, China
- *Correspondence: Jianhua Zhang
| | - Ying-Gao Liu
- State Key Laboratory of Crop Biology, College of Life Science, Shandong Agricultural UniversityTaian, China
- Ying-Gao Liu
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Evangelistella C, Valentini A, Ludovisi R, Firrincieli A, Fabbrini F, Scalabrin S, Cattonaro F, Morgante M, Mugnozza GS, Keurentjes JJB, Harfouche A. De novo assembly, functional annotation, and analysis of the giant reed ( Arundo donax L.) leaf transcriptome provide tools for the development of a biofuel feedstock. BIOTECHNOLOGY FOR BIOFUELS 2017; 10:138. [PMID: 28572841 PMCID: PMC5450047 DOI: 10.1186/s13068-017-0828-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Accepted: 05/23/2017] [Indexed: 05/07/2023]
Abstract
BACKGROUND Arundo donax has attracted renewed interest as a potential candidate energy crop for use in biomass-to-liquid fuel conversion processes and biorefineries. This is due to its high productivity, adaptability to marginal land conditions, and suitability for biofuel and biomaterial production. Despite its importance, the genomic resources currently available for supporting the improvement of this species are still limited. RESULTS We used RNA sequencing (RNA-Seq) to de novo assemble and characterize the A. donax leaf transcriptome. The sequencing generated 1249 million clean reads that were assembled using single-k-mer and multi-k-mer approaches into 62,596 unique sequences (unitranscripts) with an N50 of 1134 bp. TransDecoder and Trinotate software suites were used to obtain putative coding sequences and annotate them by mapping to UniProtKB/Swiss-Prot and UniRef90 databases, searching for known transcripts, proteins, protein domains, and signal peptides. Furthermore, the unitranscripts were annotated by mapping them to the NCBI non-redundant, GO and KEGG pathway databases using Blast2GO. The transcriptome was also characterized by BLAST searches to investigate homologous transcripts of key genes involved in important metabolic pathways, such as lignin, cellulose, purine, and thiamine biosynthesis and carbon fixation. Moreover, a set of homologous transcripts of key genes involved in stomatal development and of genes coding for stress-associated proteins (SAPs) were identified. Additionally, 8364 simple sequence repeat (SSR) markers were identified and surveyed. SSRs appeared more abundant in non-coding regions (63.18%) than in coding regions (36.82%). This SSR dataset represents the first marker catalogue of A. donax. 53 SSRs (PolySSRs) were then predicted to be polymorphic between ecotype-specific assemblies, suggesting genetic variability in the studied ecotypes. CONCLUSIONS This study provides the first publicly available leaf transcriptome for the A. donax bioenergy crop. The functional annotation and characterization of the transcriptome will be highly useful for providing insight into the molecular mechanisms underlying its extreme adaptability. The identification of homologous transcripts involved in key metabolic pathways offers a platform for directing future efforts in genetic improvement of this species. Finally, the identified SSRs will facilitate the harnessing of untapped genetic diversity. This transcriptome should be of value to ongoing functional genomics and genetic studies in this crop of paramount economic importance.
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Affiliation(s)
- Chiara Evangelistella
- Department for Innovation in Biological, Agro-food and Forest Systems, University of Tuscia, Via S. Camillo de Lellis snc, 01100 Viterbo, Italy
| | - Alessio Valentini
- Department for Innovation in Biological, Agro-food and Forest Systems, University of Tuscia, Via S. Camillo de Lellis snc, 01100 Viterbo, Italy
| | - Riccardo Ludovisi
- Department for Innovation in Biological, Agro-food and Forest Systems, University of Tuscia, Via S. Camillo de Lellis snc, 01100 Viterbo, Italy
| | - Andrea Firrincieli
- Department for Innovation in Biological, Agro-food and Forest Systems, University of Tuscia, Via S. Camillo de Lellis snc, 01100 Viterbo, Italy
| | - Francesco Fabbrini
- Department for Innovation in Biological, Agro-food and Forest Systems, University of Tuscia, Via S. Camillo de Lellis snc, 01100 Viterbo, Italy
- Alasia Franco Vivai s.s., Strada Solerette, 5/A, 12038 Savigliano, Italy
| | - Simone Scalabrin
- IGA Technology Services, Via J. Linussio, 51-Z.I.U, 33100 Udine, Italy
| | | | - Michele Morgante
- Department of Agricultural and Environmental Sciences, University of Udine, Via delle Scienze, 206, 33100 Udine, Italy
- Institute of Applied Genomics, Via J. Linussio, 51-Z.I.U, 33100 Udine, Italy
| | - Giuseppe Scarascia Mugnozza
- Department for Innovation in Biological, Agro-food and Forest Systems, University of Tuscia, Via S. Camillo de Lellis snc, 01100 Viterbo, Italy
| | - Joost J. B. Keurentjes
- Laboratory of Genetics, Wageningen University, Droevendaalsesteeg 1, 6708 PB Wageningen, The Netherlands
| | - Antoine Harfouche
- Department for Innovation in Biological, Agro-food and Forest Systems, University of Tuscia, Via S. Camillo de Lellis snc, 01100 Viterbo, Italy
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Tong SM, Chen Y, Ying SH, Feng MG. Three DUF1996 Proteins Localize in Vacuoles and Function in Fungal Responses to Multiple Stresses and Metal Ions. Sci Rep 2016; 6:20566. [PMID: 26839279 PMCID: PMC4738358 DOI: 10.1038/srep20566] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Accepted: 01/07/2016] [Indexed: 12/22/2022] Open
Abstract
Many annotated fungal genomes harbour high proportions of hypothetical proteins with or without domains of unknown function (DUF). Here, three novel proteins (342−497 amino acids), each containing only a single large DUF1996 (231−250 residues) region with highly conserved head (DPIXXP) and tail (HXDXXXGW) signatures, were expressed as eGFP-tagged fusion proteins and shown to specifically localize in the vacuoles of Beauveria bassiana, a filamentous fungal entomopathogen; therefore, these proteins were named vacuole-localized proteins (VLPs). The VLPs have one to three homologues in other entomopathogenic or non-entomopathogenic filamentous fungi but no homologues in yeasts. The large DUF1996 regions can be formulated as D-X4-P-X5–6-H-X-H-X3-G-X25–26-D-X-S-X-YW-X-P-X123–203-CP-X39–48-H-X-D-X3-GW; the identical residues likely involve in a proton antiport system for intracellular homeostasis. Single deletions of three VLP-coding genes (vlp1–3) increased fungal sensitivities to cell wall perturbation, high osmolarity, oxidation, and several metal ions. Conidial thermotolerance decreased by ~11% in two Δvlp mutants, and UV-B resistance decreased by 41−57% in three Δvlp mutants. All the changes were restored by targeted gene complementation. However, the deletions did not influence fungal growth, conidiation, virulence or Cu2+ sensitivity. Our findings unveiled a role for the DUF1996 regions of three B. bassiana VLPs in the regulation of multiple stress responses and environmental adaptation.
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Affiliation(s)
- Sen-Miao Tong
- Institute of Microbiology, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, People's Republic of China
| | - Ying Chen
- Institute of Microbiology, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, People's Republic of China
| | - Sheng-Hua Ying
- Institute of Microbiology, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, People's Republic of China
| | - Ming-Guang Feng
- Institute of Microbiology, College of Life Sciences, Zhejiang University, Hangzhou, Zhejiang, 310058, People's Republic of China
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Janiak A, Kwaśniewski M, Szarejko I. Gene expression regulation in roots under drought. JOURNAL OF EXPERIMENTAL BOTANY 2016; 67:1003-14. [PMID: 26663562 DOI: 10.1093/jxb/erv512] [Citation(s) in RCA: 88] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Stress signalling and regulatory networks controlling expression of target genes are the basis of plant response to drought. Roots are the first organs exposed to water deficiency in the soil and are the place of drought sensing. Signalling cascades transfer chemical signals toward the shoot and initiate molecular responses that lead to the biochemical and morphological changes that allow plants to be protected against water loss and to tolerate stress conditions. Here, we present an overview of signalling network and gene expression regulation pathways that are actively induced in roots under drought stress. In particular, the role of several transcription factor (TF) families, including DREB, AP2/ERF, NAC, bZIP, MYC, CAMTA, Alfin-like and Q-type ZFP, in the regulation of root response to drought are highlighted. The information provided includes available data on mutual interactions between these TFs together with their regulation by plant hormones and other signalling molecules. The most significant downstream target genes and molecular processes that are controlled by the regulatory factors are given. These data are also coupled with information about the influence of the described regulatory networks on root traits and root development which may translate to enhanced drought tolerance. This is the first literature survey demonstrating the gene expression regulatory machinery that is induced by drought stress, presented from the perspective of roots.
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Affiliation(s)
- Agnieszka Janiak
- Department of Genetics, University of Silesia, Jagiellońska 28, 40-032 Katowice, Poland
| | - Mirosław Kwaśniewski
- Department of Genetics, University of Silesia, Jagiellońska 28, 40-032 Katowice, Poland
| | - Iwona Szarejko
- Department of Genetics, University of Silesia, Jagiellońska 28, 40-032 Katowice, Poland
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Ketudat Cairns JR, Mahong B, Baiya S, Jeon JS. β-Glucosidases: Multitasking, moonlighting or simply misunderstood? PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2015; 241:246-59. [PMID: 26706075 DOI: 10.1016/j.plantsci.2015.10.014] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Revised: 10/23/2015] [Accepted: 10/24/2015] [Indexed: 05/23/2023]
Abstract
β-Glucosidases have a wide range of functions in plants, including roles in recycling of cell-wall oligosaccharides, defense, phytohormone signaling, secondary metabolism, and scent release, among others. It is not always clear which one is responsible for a specific function, as plants contain a large set of β-glucosidases. However, progress has been made in recent years in elucidating these functions. To help understand what is known and what remains ambiguous, we review the general approaches to investigating plant β-glucosidase functions. We consider information that has been gained regarding glycoside hydrolase family 1 enzyme functions utilizing these approaches in the past decade. In several cases, one enzyme has been assigned different biological functions by different research groups. We suggest that, at least in some cases, the ambiguity of an enzyme's function may come from having multiple functions that may help coordinate the response to injury or other stresses.
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Affiliation(s)
- James R Ketudat Cairns
- School of Biochemistry, Institute of Science and Center for Biomolecular Structure, Function and Application, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand; Laboratory of Biochemistry, Chulabhorn Research Institute, Bangkok 10210, Thailand.
| | - Bancha Mahong
- Graduate School of Biotechnology, Kyung-Hee University, Yongin 17104, South Korea
| | - Supaporn Baiya
- School of Biochemistry, Institute of Science and Center for Biomolecular Structure, Function and Application, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
| | - Jong-Seong Jeon
- Graduate School of Biotechnology, Kyung-Hee University, Yongin 17104, South Korea
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Nguyen QA, Lee DS, Jung J, Bae HJ. Phenotypic Changes in Transgenic Tobacco Plants Overexpressing Vacuole-Targeted Thermotoga maritima BglB Related to Elevated Levels of Liberated Hormones. Front Bioeng Biotechnol 2015; 3:181. [PMID: 26618153 PMCID: PMC4642495 DOI: 10.3389/fbioe.2015.00181] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Accepted: 10/26/2015] [Indexed: 12/11/2022] Open
Abstract
The hyperthermostable β-glucosidase BglB of Thermotoga maritima was modified by adding a short C-terminal tetrapeptide (AFVY, which transports phaseolin to the vacuole, to its C-terminal sequence). The modified β-glucosidase BglB was transformed into tobacco (Nicotiana tabacum L.) plants. We observed a range of significant phenotypic changes in the transgenic plants compared to the wild-type (WT) plants. The transgenic plants had faster stem growth, earlier flowering, enhanced root systems development, an increased biomass biosynthesis rate, and higher salt stress tolerance in young plants compared to WT. In addition, programed cell death was enhanced in mature plants. Furthermore, the C-terminal AFVY tetrapeptide efficiently sorted T. maritima BglB into the vacuole, which was maintained in an active form and could perform its glycoside hydrolysis function on hormone conjugates, leading to elevated hormone [abscisic acid (ABA), indole 3-acetic acid (IAA), and cytokinin] levels that likely contributed to the phenotypic changes in the transgenic plants. The elevation of cytokinin led to upregulation of the transcription factor WUSCHELL, a homeodomain factor that regulates the development, division, and reproduction of stem cells in the shoot apical meristems. Elevation of IAA led to enhanced root development, and the elevation of ABA contributed to enhanced tolerance to salt stress and programed cell death. These results suggest that overexpressing vacuole-targeted T. maritima BglB may have several advantages for molecular farming technology to improve multiple targets, including enhanced production of the β-glucosidase BglB, increased biomass, and shortened developmental stages, that could play pivotal roles in bioenergy and biofuel production.
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Affiliation(s)
- Quynh Anh Nguyen
- Department of Bioenergy Science and Technology, Chonnam National University , Gwangju , South Korea
| | - Dae-Seok Lee
- Bio-Energy Research Center, Chonnam National University , Gwangju , South Korea
| | - Jakyun Jung
- Department of Bioenergy Science and Technology, Chonnam National University , Gwangju , South Korea
| | - Hyeun-Jong Bae
- Department of Bioenergy Science and Technology, Chonnam National University , Gwangju , South Korea ; Bio-Energy Research Center, Chonnam National University , Gwangju , South Korea
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Synthesized attributes of water use by regional vegetation: a key to cognition of "water pump" viewpoint. ScientificWorldJournal 2014; 2014:954849. [PMID: 25302337 PMCID: PMC4181508 DOI: 10.1155/2014/954849] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2014] [Accepted: 07/06/2014] [Indexed: 11/22/2022] Open
Abstract
Recently, the frequent seasonal drought in Southwest China has brought considerable concerns and continuous heated arguments on the “water pump” viewpoint (i.e., the water demand from Hevea spp. and Eucalyptus spp. can be treated as a water pump) once again. However, such viewpoint just focused on water consumption from vegetation transpiration and its ecoenvironment impacts, which had not considered other attributes of vegetation, namely, water saving and drought resistance, and hydrological regulation (water conservation) into consideration. Thus, in this paper, the synthesized attributes of regional vegetation water use had been mainly discussed. The results showed that the study on such aspects as the characters of water consumption from vegetation transpiration, the potential of water saving and drought resistance, and the effects of hydrological regulation in Southwest China lagged far behind, let alone the report on synthesized attributes of water utilization with the organic combination of the three aspects above or the paralleled analysis. Accordingly, in this paper, the study on the synthesized attributes of water use by regional vegetation in Southwest China was suggested, and the objectives of such a special study were clarified, targeting the following aspects: (i) characters of water consumption from transpiration of regional typical artificial vegetation; (ii) potential of water saving and drought resistance of regional typical artificial vegetation; (iii) effects of hydrological regulation of regional typical artificial vegetation; (iv) synthesized attributes of water use by regional typical artificial vegetation. It is expected to provide a new idea for the scientific assessment on the regional vegetation ecoenvironment effects and theoretical guidance for the regional vegetation reconstruction and ecological restoration.
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A genome-wide perspective of miRNAome in response to high temperature, salinity and drought stresses in Brassica juncea (Czern) L. PLoS One 2014; 9:e92456. [PMID: 24671003 PMCID: PMC3966790 DOI: 10.1371/journal.pone.0092456] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2013] [Accepted: 02/21/2014] [Indexed: 11/23/2022] Open
Abstract
Micro RNAs (miRNAs) are involved in diverse biological processes including adaptive response towards abiotic stresses. To unravel small RNAs and more specifically miRNAs that can potentially regulate determinants of abiotic stress tolerance, next generation sequencing of B. juncea seedlings subjected to high temperature, high salt and drought conditions was carried out. With the help of UEA sRNA workbench software package, 51 conserved miRNAs belonging to 30 miRNA families were identified. As there was limited genomic information available for B. juncea, we generated and assembled its genome sequence at a low coverage. Using the generated sequence and other publically available Brassica genomic/transcriptomic resources as mapping reference, 126 novel (not reported in any plant species) were discovered for the first time in B. juncea. Further analysis also revealed existence of 32 and 37 star sequences for conserved and novel miRNAs, respectively. The expression of selected conserved and novel miRNAs under conditions of different abiotic stresses was revalidated through universal TaqMan based real time PCR. Putative targets of identified conserved and novel miRNAs were predicted in B. rapa to gain insights into functional roles manifested by B. juncea miRNAs. Furthermore, SPL2-like, ARF17-like and a NAC domain containing protein were experimentally validated as targets of miR156, miR160 and miR164 respectively. Investigation of gene ontologies linked with targets of known and novel miRNAs forecasted their involvement in various biological functions.
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Luang S, Cho JI, Mahong B, Opassiri R, Akiyama T, Phasai K, Komvongsa J, Sasaki N, Hua YL, Matsuba Y, Ozeki Y, Jeon JS, Cairns JRK. Rice Os9BGlu31 is a transglucosidase with the capacity to equilibrate phenylpropanoid, flavonoid, and phytohormone glycoconjugates. J Biol Chem 2013; 288:10111-10123. [PMID: 23430256 PMCID: PMC3617254 DOI: 10.1074/jbc.m112.423533] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2012] [Revised: 02/15/2013] [Indexed: 10/07/2023] Open
Abstract
Glycosylation is an important mechanism of controlling the reactivities and bioactivities of plant secondary metabolites and phytohormones. Rice (Oryza sativa) Os9BGlu31 is a glycoside hydrolase family GH1 transglycosidase that acts to transfer glucose between phenolic acids, phytohormones, and flavonoids. The highest activity was observed with the donors feruloyl-glucose, 4-coumaroyl-glucose, and sinapoyl-glucose, which are known to serve as donors in acyl and glucosyl transfer reactions in the vacuole, where Os9BGlu31 is localized. The free acids of these compounds also served as the best acceptors, suggesting that Os9BGlu31 may equilibrate the levels of phenolic acids and carboxylated phytohormones and their glucoconjugates. The Os9BGlu31 gene is most highly expressed in senescing flag leaf and developing seed and is induced in rice seedlings in response to drought stress and treatment with phytohormones, including abscisic acid, ethephon, methyljasmonate, 2,4-dichlorophenoxyacetic acid, and kinetin. Although site-directed mutagenesis of Os9BGlu31 indicated a function for the putative catalytic acid/base (Glu(169)), catalytic nucleophile residues (Glu(387)), and His(386), the wild type enzyme displays an unusual lack of inhibition by mechanism-based inhibitors of GH1 β-glucosidases that utilize a double displacement retaining mechanism.
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Affiliation(s)
- Sukanya Luang
- Institute of Science, Schools of Biochemistry and Chemistry, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
| | - Jung-Il Cho
- Graduate School of Biotechnology and Crop Biotech Institute, Kyung Hee University, Yongin 446-701, Korea
| | - Bancha Mahong
- Graduate School of Biotechnology and Crop Biotech Institute, Kyung Hee University, Yongin 446-701, Korea
| | - Rodjana Opassiri
- Institute of Science, Schools of Biochemistry and Chemistry, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
| | - Takashi Akiyama
- National Agricultural Research Center for Hokkaido Region, 1 Hitsujigaoka, Toyohira-ku, Sapporo, Hokkaido 062-8555, Japan
| | - Kannika Phasai
- Institute of Science, Schools of Biochemistry and Chemistry, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
| | - Juthamath Komvongsa
- Institute of Science, Schools of Biochemistry and Chemistry, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
| | - Nobuhiro Sasaki
- Department of Biotechnology and Life Science, Faculty of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Yan-Ling Hua
- Institute of Science, Schools of Biochemistry and Chemistry, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand; Center for Scientific and Technological Equipment, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand
| | - Yuki Matsuba
- Department of Biotechnology and Life Science, Faculty of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Yoshihiro Ozeki
- Department of Biotechnology and Life Science, Faculty of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Jong-Seong Jeon
- Graduate School of Biotechnology and Crop Biotech Institute, Kyung Hee University, Yongin 446-701, Korea.
| | - James R Ketudat Cairns
- Institute of Science, Schools of Biochemistry and Chemistry, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand; Laboratory of Biochemistry, Chulabhorn Research Institute, Bangkok 10210, Thailand.
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Yuan M. A scientific heritage in plant physiology from an older generation. SCIENCE CHINA. LIFE SCIENCES 2012; 55:1125-1126. [PMID: 23233228 DOI: 10.1007/s11427-012-4416-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2012] [Accepted: 11/06/2012] [Indexed: 06/01/2023]
Affiliation(s)
- Ming Yuan
- State Key Laboratory of Plant Physiology and Biochemistry, Department of Plant Sciences, College of Biological Sciences, China Agricultural University, Beijing 100193, China.
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Hu X, Wu X, Li C, Lu M, Liu T, Wang Y, Wang W. Abscisic acid refines the synthesis of chloroplast proteins in maize (Zea mays) in response to drought and light. PLoS One 2012; 7:e49500. [PMID: 23152915 PMCID: PMC3496715 DOI: 10.1371/journal.pone.0049500] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2012] [Accepted: 10/09/2012] [Indexed: 12/18/2022] Open
Abstract
To better understand abscisic acid (ABA) regulation of the synthesis of chloroplast proteins in maize (Zea mays L.) in response to drought and light, we compared leaf proteome differences between maize ABA-deficient mutant vp5 and corresponding wild-type Vp5 green and etiolated seedlings exposed to drought stress. Proteins extracted from the leaves of Vp5 and vp5 seedlings were used for two-dimensional electrophoresis (2-DE) and subsequent matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry (MS). After Coomassie brilliant blue staining, approximately 450 protein spots were reproducibly detected on 2-DE gels. A total of 36 differentially expressed protein spots in response to drought and light were identified using MALDI-TOF MS and their subcellular localization was determined based on the annotation of reviewed accession in UniProt Knowledgebase and the software prediction. As a result, corresponding 13 proteins of the 24 differentially expressed protein spots were definitely localized in chloroplasts and their expression was in an ABA-dependent way, including 6 up-regulated by both drought and light, 5 up-regulated by drought but down-regulated by light, 5 up-regulated by light but down-regulated by drought; 5 proteins down-regulated by drought were mainly those involved in photosynthesis and ATP synthesis. Thus, the results in the present study supported the vital role of ABA in regulating the synthesis of drought- and/or light-induced proteins in maize chloroplasts and would facilitate the functional characterization of ABA-induced chloroplast proteins in C(4) plants.
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Affiliation(s)
- Xiuli Hu
- Key Laboratory of Physiological Ecology and Genetic Improvement of Food Crops in Henan Province, Henan Agricultural University, Zhengzhou, China
- College of Life Science, Henan Agricultural University, Zhengzhou, China
| | - Xiaolin Wu
- College of Life Science, Henan Agricultural University, Zhengzhou, China
| | - Chaohai Li
- Key Laboratory of Physiological Ecology and Genetic Improvement of Food Crops in Henan Province, Henan Agricultural University, Zhengzhou, China
- College of Agronomy, Henan Agricultural University, Zhengzhou, China
| | - Minghui Lu
- College of Life Science, Henan Agricultural University, Zhengzhou, China
| | - Tianxue Liu
- Key Laboratory of Physiological Ecology and Genetic Improvement of Food Crops in Henan Province, Henan Agricultural University, Zhengzhou, China
- College of Agronomy, Henan Agricultural University, Zhengzhou, China
| | - Ying Wang
- College of Life Science, Henan Agricultural University, Zhengzhou, China
| | - Wei Wang
- Key Laboratory of Physiological Ecology and Genetic Improvement of Food Crops in Henan Province, Henan Agricultural University, Zhengzhou, China
- College of Life Science, Henan Agricultural University, Zhengzhou, China
- * E-mail:
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