1
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Zhang S, Han Y, Zeng Q, Wang C, Wang H, Zhang J, Cai M, Lu J, Chen T. Whole-Transcriptome Sequencing Reveals the Global Molecular Responses and NAC Transcription Factors Involved in Drought Stress in Dendrobium catenatum. Antioxidants (Basel) 2024; 13:94. [PMID: 38247518 PMCID: PMC10812421 DOI: 10.3390/antiox13010094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 01/05/2024] [Accepted: 01/10/2024] [Indexed: 01/23/2024] Open
Abstract
Dendrobium catenatum is a highly drought-tolerant herb, which usually grows on cliffs or in the branches of trees, yet the underlying molecular mechanisms for its tolerance remain poorly understood. We conducted a comprehensive study utilizing whole-transcriptome sequencing approaches to investigate the molecular response to extreme drought stress in D. catenatum. A large number of differentially expressed mRNAs, lncRNAs, and circRNAs have been identified, and the NAC transcription factor family was highly enriched. Meanwhile, 46 genes were significantly up-regulated in the ABA-activated signaling pathway. In addition to the 89 NAC family members accurately identified in this study, 32 members were found to have different expressions between the CK and extreme drought treatment. They may regulate drought stress through both ABA-dependent and ABA-independent pathways. Moreover, the 32 analyzed differentially expressed DcNACs were found to be predominantly expressed in the floral organs and roots. The ceRNA regulatory network showed that DcNAC87 is at the core of the ceRNA network and is regulated by miR169, miR393, and four lncRNAs. These investigations provided valuable information on the role of NAC transcription factors in D. catenatum's response to drought stress.
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Affiliation(s)
| | | | | | | | | | | | | | - Jiangjie Lu
- Zhejiang Provincial Key Laboratory for Genetic Improvement and Quality Control of Medicinal Plants, College of Life and Environmental Science, Hangzhou Normal University, Hangzhou 311121, China; (S.Z.); (Y.H.); (Q.Z.); (C.W.); (H.W.); (J.Z.); (M.C.)
| | - Tao Chen
- Zhejiang Provincial Key Laboratory for Genetic Improvement and Quality Control of Medicinal Plants, College of Life and Environmental Science, Hangzhou Normal University, Hangzhou 311121, China; (S.Z.); (Y.H.); (Q.Z.); (C.W.); (H.W.); (J.Z.); (M.C.)
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2
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Zhou B, Zheng B, Wu W. The ncRNAs Involved in the Regulation of Abiotic Stress-Induced Anthocyanin Biosynthesis in Plants. Antioxidants (Basel) 2023; 13:55. [PMID: 38247480 PMCID: PMC10812613 DOI: 10.3390/antiox13010055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 12/16/2023] [Accepted: 12/19/2023] [Indexed: 01/23/2024] Open
Abstract
Plants have evolved complicated defense and adaptive systems to grow in various abiotic stress environments such as drought, cold, and salinity. Anthocyanins belong to the secondary metabolites of flavonoids with strong antioxidant activity in response to various abiotic stress and enhance stress tolerance. Anthocyanin accumulation often accompanies the resistance to abiotic stress in plants to scavenge reactive oxygen species (ROS). Recent research evidence showed that many regulatory pathways such as osmoregulation, antioxidant response, plant hormone response, photosynthesis, and respiration regulation are involved in plant adaption to stress. However, the molecular regulatory mechanisms involved in controlling anthocyanin biosynthesis in relation to abiotic stress response have remained obscure. Here, we summarize the current research progress of specific regulators including small RNAs, and lncRNAs involved in the molecular regulation of abiotic stress-induced anthocyanin biosynthesis. In addition, an integrated regulatory network of anthocyanin biosynthesis controlled by microRNAs (miRNAs), long non-coding RNAs (lncRNAs), transcription factors, and stress response factors is also discussed. Understanding molecular mechanisms of anthocyanin biosynthesis for ROS scavenging in various abiotic stress responses will benefit us for resistance breeding in crop plants.
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Affiliation(s)
- Bo Zhou
- College of Life Science, Northeast Forestry University, Harbin 150040, China;
| | - Baojiang Zheng
- College of Life Science, Northeast Forestry University, Harbin 150040, China;
| | - Weilin Wu
- Agricultural College, Yanbian University, Yanji 133002, China
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3
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Maniatis G, Tani E, Katsileros A, Avramidou EV, Pitsoli T, Sarri E, Gerakari M, Goufa M, Panagoulakou M, Xipolitaki K, Klouvatos K, Megariti S, Pappi P, Papadakis IE, Bebeli PJ, Kapazoglou A. Genetic and Epigenetic Responses of Autochthonous Grapevine Cultivars from the 'Epirus' Region of Greece upon Consecutive Drought Stress. PLANTS (BASEL, SWITZERLAND) 2023; 13:27. [PMID: 38202337 PMCID: PMC10780352 DOI: 10.3390/plants13010027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Revised: 11/06/2023] [Accepted: 12/14/2023] [Indexed: 01/12/2024]
Abstract
Within the framework of preserving and valorizing the rich grapevine germplasm of the Epirus region of Greece, indigenous grapevine (Vitis vinifera L.) cultivars were characterized and assessed for their resilience to abiotic stresses in the context of climate change. The cultivars 'Debina' and 'Dichali' displayed significant differences in their response to drought stress as judged by morpho-physiological analysis, indicating higher drought tolerance for Dichali. Hence, they were selected for further study aiming to identify genetic and epigenetic mechanisms possibly regulating drought adaptability. Specifically, self-rooted and heterografted on 'Richter 110' rootstock plants were subjected to two phases of drought with a recovery period in between. Gene expression analysis was performed for two stress-related miRNAs and their target genes: (a) miRNA159 and putative targets, VvMYB101, VvGATA-26-like, VvTOPLESS-4-like and (b) miRNA156 and putative target gene VvCONSTANS-5. Overall, grafted plants exhibited a higher drought tolerance than self-rooted plants, suggesting beneficial rootstock-scion interactions. Comparative analysis revealed differential gene expression under repetitive drought stresses between the two cultivars as well as between the self-rooted and grafted plants. 'Dichali' exhibited an up-regulation of most of the genes examined, which may be associated with increased tolerance. Nevertheless, the profound down-regulation of VvTOPLESS-4-like (a transcriptional co-repressor of transcription factors) upon drought and the concomitant up-regulation of miRNA159 highlights the importance of this 'miRNA-target' module in drought responsiveness. DNA methylation profiling using MSAP analysis revealed differential methylation patterns between the two genotypes in response to drought. Further investigations of gene expression and DNA methylation will contribute to our understanding of the epigenetic mechanisms underlying grapevine tolerance to drought stress.
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Affiliation(s)
- Grigorios Maniatis
- Laboratory of Plant Breeding and Biometry, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (G.M.); (A.K.); (E.S.); (Μ.G.); (M.G.); (M.P.); (K.X.); (K.K.); (S.M.); (P.J.B.)
| | - Eleni Tani
- Laboratory of Plant Breeding and Biometry, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (G.M.); (A.K.); (E.S.); (Μ.G.); (M.G.); (M.P.); (K.X.); (K.K.); (S.M.); (P.J.B.)
| | - Anastasios Katsileros
- Laboratory of Plant Breeding and Biometry, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (G.M.); (A.K.); (E.S.); (Μ.G.); (M.G.); (M.P.); (K.X.); (K.K.); (S.M.); (P.J.B.)
| | - Evangelia V. Avramidou
- Laboratory of Forest Genetics and Biotechnology, Institute of Mediterranean Forest Ecosystems, Hellenic Agricultural Organization-DIMITRA (ELGO-DIMITRA), Ilisia, 11528 Athens, Greece;
| | - Theodora Pitsoli
- Department of Vitis, Institute of Olive Tree, Subtropical Crops and Viticulture (IOSV), Hellenic Agricultural Organization-DIMITRA (ELGO-DIMITRA), Lykovrysi, 14123 Athens, Greece;
| | - Efi Sarri
- Laboratory of Plant Breeding and Biometry, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (G.M.); (A.K.); (E.S.); (Μ.G.); (M.G.); (M.P.); (K.X.); (K.K.); (S.M.); (P.J.B.)
| | - Maria Gerakari
- Laboratory of Plant Breeding and Biometry, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (G.M.); (A.K.); (E.S.); (Μ.G.); (M.G.); (M.P.); (K.X.); (K.K.); (S.M.); (P.J.B.)
| | - Maria Goufa
- Laboratory of Plant Breeding and Biometry, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (G.M.); (A.K.); (E.S.); (Μ.G.); (M.G.); (M.P.); (K.X.); (K.K.); (S.M.); (P.J.B.)
| | - Maria Panagoulakou
- Laboratory of Plant Breeding and Biometry, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (G.M.); (A.K.); (E.S.); (Μ.G.); (M.G.); (M.P.); (K.X.); (K.K.); (S.M.); (P.J.B.)
| | - Konstantina Xipolitaki
- Laboratory of Plant Breeding and Biometry, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (G.M.); (A.K.); (E.S.); (Μ.G.); (M.G.); (M.P.); (K.X.); (K.K.); (S.M.); (P.J.B.)
| | - Kimon Klouvatos
- Laboratory of Plant Breeding and Biometry, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (G.M.); (A.K.); (E.S.); (Μ.G.); (M.G.); (M.P.); (K.X.); (K.K.); (S.M.); (P.J.B.)
| | - Stamatia Megariti
- Laboratory of Plant Breeding and Biometry, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (G.M.); (A.K.); (E.S.); (Μ.G.); (M.G.); (M.P.); (K.X.); (K.K.); (S.M.); (P.J.B.)
| | - Polixeni Pappi
- Laboratory of Plant Virology, Department of Viticulture, Vegetable Crops, Floriculture and Plant Protection, Institute of Olive Tree, Subtropical Crops and Viticulture, Hellenic Agricultural Organization DIMITRA (ELGO-DIMITRA), Kastorias 32A, Mesa Katsampas, 71307 Heraklion, Crete, Greece;
| | - Ioannis E. Papadakis
- Laboratory of Pomology, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece;
| | - Penelope J. Bebeli
- Laboratory of Plant Breeding and Biometry, Department of Crop Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (G.M.); (A.K.); (E.S.); (Μ.G.); (M.G.); (M.P.); (K.X.); (K.K.); (S.M.); (P.J.B.)
| | - Aliki Kapazoglou
- Department of Vitis, Institute of Olive Tree, Subtropical Crops and Viticulture (IOSV), Hellenic Agricultural Organization-DIMITRA (ELGO-DIMITRA), Lykovrysi, 14123 Athens, Greece;
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Fu T, Wang C, Yang Y, Yang X, Wang J, Zhang L, Wang Z, Wang Y. Function identification of miR159a, a positive regulator during poplar resistance to drought stress. HORTICULTURE RESEARCH 2023; 10:uhad221. [PMID: 38077498 PMCID: PMC10709547 DOI: 10.1093/hr/uhad221] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 10/24/2023] [Indexed: 03/08/2024]
Abstract
Drought seriously affects the growth and development of plants. MiR159 is a highly conserved and abundant microRNA family that plays a crucial role in plant growth and stress responses. However, studies of its function in woody plants are still lacking. Here, the expression of miR159a was significantly upregulated after drought treatment in poplar, and the overexpression of miR159a (OX159a) significantly reduced the open area of the stomata and improved water-use efficiency in poplar. After drought treatment, OX159a lines had better scavenging ability of reactive oxygen species and damage of the membrane system was less than that in wild-type lines. MYB was the target gene of miR159a, as verified by psRNATarget prediction, RT-qPCR, degradome sequencing, and 5' rapid amplification of cDNA ends (5' RACE). Additionally, miR159a-short tandem target mimic suppression (STTM) poplar lines showed increased sensitivity to drought stress. Transcriptomic analysis comparing OX159a lines with wild-type lines revealed upregulation of a series of genes related to response to water deprivation and metabolite synthesis. Moreover, drought-responsive miR172d and miR398 were significantly upregulated and downregulated respectively in OX159a lines. This investigation demonstrated that miR159a played a key role in the tolerance of poplar to drought by reducing stomata open area, increasing the number and total area of xylem vessels, and enhancing water-use efficiency, and provided new insights into the role of plant miR159a and crucial candidate genes for the molecular breeding of trees with tolerance to drought stress.
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Affiliation(s)
- Tiantian Fu
- State Key Laboratory of Tree Genetics and Breeding, National Engineering Research Center of Tree Breeding and Ecological Restoration, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, The Tree and Ornamental Plant Breeding and Biotechnology Laboratory of National Forestry and Grassland Administration, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China
| | - Chun Wang
- State Key Laboratory of Tree Genetics and Breeding, National Engineering Research Center of Tree Breeding and Ecological Restoration, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, The Tree and Ornamental Plant Breeding and Biotechnology Laboratory of National Forestry and Grassland Administration, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China
| | - Yuzhang Yang
- State Key Laboratory of Tree Genetics and Breeding, National Engineering Research Center of Tree Breeding and Ecological Restoration, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, The Tree and Ornamental Plant Breeding and Biotechnology Laboratory of National Forestry and Grassland Administration, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China
| | - Xiaoqian Yang
- State Key Laboratory of Tree Genetics and Breeding, National Engineering Research Center of Tree Breeding and Ecological Restoration, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, The Tree and Ornamental Plant Breeding and Biotechnology Laboratory of National Forestry and Grassland Administration, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China
| | - Jing Wang
- State Key Laboratory of Tree Genetics and Breeding, National Engineering Research Center of Tree Breeding and Ecological Restoration, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, The Tree and Ornamental Plant Breeding and Biotechnology Laboratory of National Forestry and Grassland Administration, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China
| | - Lichun Zhang
- State Key Laboratory of Tree Genetics and Breeding, National Engineering Research Center of Tree Breeding and Ecological Restoration, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, The Tree and Ornamental Plant Breeding and Biotechnology Laboratory of National Forestry and Grassland Administration, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China
| | - Zeqi Wang
- State Key Laboratory of Tree Genetics and Breeding, National Engineering Research Center of Tree Breeding and Ecological Restoration, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, The Tree and Ornamental Plant Breeding and Biotechnology Laboratory of National Forestry and Grassland Administration, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China
| | - Yanwei Wang
- State Key Laboratory of Tree Genetics and Breeding, National Engineering Research Center of Tree Breeding and Ecological Restoration, Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants, Ministry of Education, The Tree and Ornamental Plant Breeding and Biotechnology Laboratory of National Forestry and Grassland Administration, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China
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5
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Chowdhury RH, Eti FS, Ahmed R, Gupta SD, Jhan PK, Islam T, Bhuiyan MAR, Rubel MH, Khayer A. Drought-responsive genes in tomato: meta-analysis of gene expression using machine learning. Sci Rep 2023; 13:19374. [PMID: 37938584 PMCID: PMC10632472 DOI: 10.1038/s41598-023-45942-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Accepted: 10/26/2023] [Indexed: 11/09/2023] Open
Abstract
Plants have diverse molecular mechanisms to protect themselves from biotic and abiotic stressors and adapt to changing environments. To uncover the genetic potential of plants, it is crucial to understand how they adapt to adverse conditions by analyzing their genomic data. We analyzed RNA-Seq data from different tomato genotypes, tissue types, and drought durations. We used a time series scale to identify early and late drought-responsive gene modules and applied a machine learning method to identify the best responsive genes to drought. We demonstrated six candidate genes of tomato viz. Fasciclin-like arabinogalactan protein 2 (FLA2), Amino acid transporter family protein (ASCT), Arginine decarboxylase 1 (ADC1), Protein NRT1/PTR family 7.3 (NPF7.3), BAG family molecular chaperone regulator 5 (BAG5) and Dicer-like 2b (DCL2b) were responsive to drought. We constructed gene association networks to identify their potential interactors and found them drought-responsive. The identified candidate genes can help to explore the adaptation of tomato plants to drought. Furthermore, these candidate genes can have far-reaching implications for molecular breeding and genome editing in tomatoes, providing insights into the molecular mechanisms that underlie drought adaptation. This research underscores the importance of the genetic basis of plant adaptation, particularly in changing climates and growing populations.
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Affiliation(s)
- Rabiul Haq Chowdhury
- Department of Agriculture, Noakhali Science and Technology University, Sonapur, 3814, Bangladesh
| | - Fatiha Sultana Eti
- Faculty of Agricultural Sciences, Georg-August Universität Göttingen, Büsgenweg 5, 37077, Göttingen, Germany
| | - Rayhan Ahmed
- Department of Agriculture, Noakhali Science and Technology University, Sonapur, 3814, Bangladesh
| | - Shipan Das Gupta
- Department of Biotechnology and Genetic Engineering, Noakhali Science and Technology University, Sonapur, 3814, Bangladesh
| | - Pijush Kanti Jhan
- Department of Agriculture, Noakhali Science and Technology University, Sonapur, 3814, Bangladesh
| | - Tofazzal Islam
- Institute of Biotechnology and Genetic Engineering (IBGE), Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
| | - Md Atiqur Rahman Bhuiyan
- Department of Agriculture, Noakhali Science and Technology University, Sonapur, 3814, Bangladesh
| | - Mehede Hassan Rubel
- Department of Agriculture, Noakhali Science and Technology University, Sonapur, 3814, Bangladesh.
| | - Abul Khayer
- Faculty of Agricultural Sciences, Georg-August Universität Göttingen, Büsgenweg 5, 37077, Göttingen, Germany.
- Computomics GmbH, Eisenbahnstr. 1, 72072, Tübingen, Germany.
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6
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Raza A, Charagh S, Karikari B, Sharif R, Yadav V, Mubarik MS, Habib M, Zhuang Y, Zhang C, Chen H, Varshney RK, Zhuang W. miRNAs for crop improvement. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 201:107857. [PMID: 37437345 DOI: 10.1016/j.plaphy.2023.107857] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 06/16/2023] [Accepted: 06/19/2023] [Indexed: 07/14/2023]
Abstract
Climate change significantly impacts crop production by inducing several abiotic and biotic stresses. The increasing world population, and their food and industrial demands require focused efforts to improve crop plants to ensure sustainable food production. Among various modern biotechnological tools, microRNAs (miRNAs) are one of the fascinating tools available for crop improvement. miRNAs belong to a class of small non-coding RNAs playing crucial roles in numerous biological processes. miRNAs regulate gene expression by post-transcriptional target mRNA degradation or by translation repression. Plant miRNAs have essential roles in plant development and various biotic and abiotic stress tolerance. In this review, we provide propelling evidence from previous studies conducted around miRNAs and provide a one-stop review of progress made for breeding stress-smart future crop plants. Specifically, we provide a summary of reported miRNAs and their target genes for improvement of plant growth and development, and abiotic and biotic stress tolerance. We also highlight miRNA-mediated engineering for crop improvement and sequence-based technologies available for the identification of miRNAs associated with stress tolerance and plant developmental events.
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Affiliation(s)
- Ali Raza
- Center of Legume Crop Genetics and Systems Biology, Oil Crops Research Institute, College of Agriculture, Fujian Agriculture and Forestry University (FAFU), Fuzhou, 35002, China
| | - Sidra Charagh
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Chinese Academy of Agricultural Sciences (CAAS), Hangzhou, China
| | - Benjamin Karikari
- Department of Agricultural Biotechnology, Faculty of Agriculture, Food and Consumer Sciences, University for Development Studies, Tamale, Ghana
| | - Rahat Sharif
- Department of Horticulture, College of Horticulture and Landscape Architecture, Yangzhou University, 48 Wenhui East Road, Yangzhou, Jiangsu 225009, China
| | - Vivek Yadav
- College of Horticulture, Northwest Agriculture and Forestry University, Yangling, Shanxi, 712100, China
| | | | - Madiha Habib
- National Institute for Genomics and Advanced Biotechnology (NIGAB), National Agricultural Research Centre (NARC), Park Rd., Islamabad 45500, Pakistan
| | - Yuhui Zhuang
- College of Life Science, Fujian Agriculture and Forestry University (FAFU), Fuzhou, China
| | - Chong Zhang
- Center of Legume Crop Genetics and Systems Biology, Oil Crops Research Institute, College of Agriculture, Fujian Agriculture and Forestry University (FAFU), Fuzhou, 35002, China
| | - Hua Chen
- Center of Legume Crop Genetics and Systems Biology, Oil Crops Research Institute, College of Agriculture, Fujian Agriculture and Forestry University (FAFU), Fuzhou, 35002, China
| | - Rajeev K Varshney
- Center of Legume Crop Genetics and Systems Biology, Oil Crops Research Institute, College of Agriculture, Fujian Agriculture and Forestry University (FAFU), Fuzhou, 35002, China; WA State Agricultural Biotechnology Centre, Centre for Crop and Food Innovation, Food Futures Institute, Murdoch University, Murdoch, WA, 6150, Australia.
| | - Weijian Zhuang
- Center of Legume Crop Genetics and Systems Biology, Oil Crops Research Institute, College of Agriculture, Fujian Agriculture and Forestry University (FAFU), Fuzhou, 35002, China.
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Ma Z, Hu L. MicroRNA: A Dynamic Player from Signalling to Abiotic Tolerance in Plants. Int J Mol Sci 2023; 24:11364. [PMID: 37511124 PMCID: PMC10379455 DOI: 10.3390/ijms241411364] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 07/06/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023] Open
Abstract
MicroRNAs (miRNAs) are a class of non-coding single-stranded RNA molecules composed of approximately 20-24 nucleotides in plants. They play an important regulatory role in plant growth and development and as a signal in abiotic tolerance. Some abiotic stresses include drought, salt, cold, high temperature, heavy metals and nutritional elements. miRNAs affect gene expression by manipulating the cleavage, translational expression or DNA methylation of target messenger RNAs (mRNAs). This review describes the current progress in the field considering two aspects: (i) the way miRNAs are produced and regulated and (ii) the way miRNA/target genes are used in plant responses to various abiotic stresses. Studying the molecular mechanism of action of miRNAs' downstream target genes could optimize the genetic manipulation of crop growth and development conditions to provide a more theoretically optimized basis for improving crop production. MicroRNA is a novel signalling mechanism in interplant communication relating to abiotic tolerance.
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Affiliation(s)
- Ziming Ma
- Jilin Provincial Engineering Laboratory of Plant Genetic Improvement, College of Plant Science, Jilin University, Changchun 130062, China
- Plant Genetics, TUM School of Life Sciences, Technical University of Munich (TUM), Emil Ramann Str. 4, 85354 Freising, Germany
- Max-Planck-Institute of Molecular Plant Physiology, Am Muehlenberg 1, 14476 Potsdam-Golm, Germany
| | - Lanjuan Hu
- Jilin Provincial Engineering Laboratory of Plant Genetic Improvement, College of Plant Science, Jilin University, Changchun 130062, China
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8
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Apostolova EL. Molecular Mechanisms of Plant Defense against Abiotic Stress. Int J Mol Sci 2023; 24:10339. [PMID: 37373486 DOI: 10.3390/ijms241210339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 06/08/2023] [Indexed: 06/29/2023] Open
Abstract
The climatic changes and anthropogenic factors in recent decades (global warming, drought, salinity, extreme temperature, environmental pollution) have led to an increase in the negative impact of environmental factors on plants. Abiotic stress strongly influences the important processes of plants and thus affects their growth and development. The effects of stressors on the plants depend on the intensity, frequency, and duration of stress, plant species as well as a combination of various stressors. Plants have developed different mechanisms to limit adverse environmental conditions. In the publications in this Special Issue, Molecular Mechanisms of Plant Defense against Abiotic Stress, new information on plant defense mechanisms against abiotic and biotic stress is presented. The studies help us better understand plants' protection mechanisms again global climate change.
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Affiliation(s)
- Emilia L Apostolova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 21, 1113 Sofia, Bulgaria
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9
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Pessoa HP, Dariva FD, Copati MGF, de Paula RG, de Oliveira Dias F, Gomes CN. Uncovering tomato candidate genes associated with drought tolerance using Solanum pennellii introgression lines. PLoS One 2023; 18:e0287178. [PMID: 37319140 PMCID: PMC10270355 DOI: 10.1371/journal.pone.0287178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 05/29/2023] [Indexed: 06/17/2023] Open
Abstract
Tomato plants are sensitive to drought stress throughout their growth cycle. To be considered drought-tolerant, a cultivar should display tolerance at all developmental stages. This study aimed to evaluate whether Solanum pennellii introgression lines (ILs) previously selected as drought-tolerant during germination/seedling growth maintained this tolerance in the vegetative/reproductive stage. We then investigated these ILs to uncover candidate genes. The plants were subjected to two different environmental conditions: well-watered and drought-stressed (water withheld for ≤ 20 d after flowering). Phenotyping for morphological, physiological, fruit quality, and yield-related traits was performed, and the data was analyzed using a mixed-model approach. Using a multi-trait index that relies on factor analysis and genotype-ideotype distance (FAI-BLUP index), the genotypes were ordered based on how far they were from the drought-tolerant ideotype. Afterward, the tomato IL population map furnished by the SOL Genomics Network was utilized to identify introgressed segments of significance for the identification of candidate genes. Significant genotypic differences were found in the yield, water content, mean weight, length, and width of the fruit, the percentage of fruits displaying blossom-end rot, and titratable acidity. The drought-tolerance ideotype was built considering the maximum values for the fruit water content, number of fruits, mean fruit weight, and yield, minimum values for blossom-end rot, and mean values for titratable acidity. IL 1-4-18, IL 7-4-1, IL 7-1, IL 7-5-5, and IL 1-2 were ranked above M-82 and therefore considered drought-tolerant during the vegetative/reproductive stage. IL 1-4-18 and IL1-2 sustained drought tolerance displayed during germination/seedling growth into the vegetative/reproductive stage. The following candidate genes associated with drought tolerance were identified: AHG2, At1g55840, PRXIIF, SAP5, REF4-RELATED 1, PRXQ, CFS1, LCD, CCD1, and SCS. Because they are already associated with genetic markers, they can be transferred to elite tomato cultivars through marker-assisted technology after validation.
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Affiliation(s)
- Herika Paula Pessoa
- Department of Agronomy, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | | | | | | | | | - Carlos Nick Gomes
- Department of Agronomy, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
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10
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Asakura H, Tanaka M, Tamura T, Saito Y, Yamakawa T, Abe K, Asakura T. Genes related to cell wall metabolisms are targeted by miRNAs in immature tomato fruits under drought stress. Biosci Biotechnol Biochem 2023; 87:290-302. [PMID: 36572396 DOI: 10.1093/bbb/zbac209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 12/18/2022] [Indexed: 12/28/2022]
Abstract
The metabolism of tomato fruits changes when plants experience drought stress. In this study, we investigated changes in microRNA (miRNA) abundance and detected 32 miRNAs whose expression changes in fruit. The candidate target genes for each miRNA were predicted from the differentially expressed genes identified by transcriptome analysis at the same fruit maturation stage. The predicted targeted genes were related to cell wall metabolisms, response to pathogens, and plant hormones. Among these, we focused on cell wall metabolism-related genes and performed a dual luciferase assay to assess the targeting of their mRNAs by their predicted miRNA. As a result, sly-miR10532 and sly-miR7981e suppress the expression of mRNAs of galacturonosyltransferase-10 like encoding the main enzyme of pectin biosynthesis, while sly-miR171b-5p targets β-1,3-glucosidase mRNAs involved in glucan degradation. These results will allow the systematic characterization of miRNA and their target genes in the tomato fruit under drought stress conditions.
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Affiliation(s)
- Hiroko Asakura
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo, Japan
| | - Mayui Tanaka
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo, Japan
| | - Tomoko Tamura
- Department of Nutritional Science and Food Safety, Faculty of Applied Bioscience, Tokyo University of Agriculture, 1-1-1, Sakuragaoka, Setagaya-ku, Tokyo, Japan
| | - Yoshikazu Saito
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo, Japan
| | - Takashi Yamakawa
- Research Center for Food Safety, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo, Japan
| | - Keiko Abe
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo, Japan.,Kanagawa Institute of Industrial Science and Technology (KISTEC), Life Science & Environmental Research Center (LiSE), 705-1, Imaizumi, Ebina, Kanagawa, Japan
| | - Tomiko Asakura
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1, Yayoi, Bunkyo-ku, Tokyo, Japan
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11
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Chen Y, Yang W, Gao R, Chen Y, Zhou Y, Xie J, Zhang F. Genome-Wide Analysis of microRNAs and Their Target Genes in Dongxiang Wild Rice ( Oryza rufipogon Griff.) Responding to Salt Stress. Int J Mol Sci 2023; 24:ijms24044069. [PMID: 36835475 PMCID: PMC9960954 DOI: 10.3390/ijms24044069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 02/15/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
Rice (Oryza sativa) is a staple food for more than half of the world's population, and its production is critical for global food security. Moreover, rice yield decreases when exposed to abiotic stresses, such as salinity, which is one of the most detrimental factors for rice production. According to recent trends, as global temperatures continue to rise due to climate change, more rice fields may become saltier. Dongxiang wild rice (Oryza rufipogon Griff., DXWR) is a progenitor of cultivated rice and has a high tolerance to salt stress, making it useful for studying the regulatory mechanisms of salt stress tolerance. However, the regulatory mechanism of miRNA-mediated salt stress response in DXWR remains unclear. In this study, miRNA sequencing was performed to identify miRNAs and their putative target genes in response to salt stress in order to better understand the roles of miRNAs in DXWR salt stress tolerance. A total of 874 known and 476 novel miRNAs were identified, and the expression levels of 164 miRNAs were found to be significantly altered under salt stress. The stem-loop quantitative real-time PCR (qRT-PCR) expression levels of randomly selected miRNAs were largely consistent with the miRNA sequencing results, suggesting that the sequencing results were reliable. The gene ontology (GO) analysis indicated that the predicted target genes of salt-responsive miRNAs were involved in diverse biological pathways of stress tolerance. This study contributes to our understanding of DXWR salt tolerance mechanisms regulated by miRNAs and may ultimately improve salt tolerance in cultivated rice breeding using genetic methods in the future.
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Affiliation(s)
- Yong Chen
- College of Life Sciences, Jiangxi Normal University, Nanchang 330022, China
| | - Wanling Yang
- College of Life Sciences, Jiangxi Normal University, Nanchang 330022, China
| | - Rifang Gao
- College of Life Sciences, Jiangxi Normal University, Nanchang 330022, China
| | - Yaling Chen
- College of Life Sciences, Jiangxi Normal University, Nanchang 330022, China
| | - Yi Zhou
- College of Life Sciences, Jiangxi Normal University, Nanchang 330022, China
| | - Jiankun Xie
- College of Life Sciences, Jiangxi Normal University, Nanchang 330022, China
- Correspondence: (J.X.); (F.Z.)
| | - Fantao Zhang
- College of Life Sciences, Jiangxi Normal University, Nanchang 330022, China
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, China
- Correspondence: (J.X.); (F.Z.)
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12
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Jing J, Yang P, Wang Y, Qu Q, An J, Fu B, Hu X, Zhou Y, Hu T, Cao Y. Identification of Competing Endogenous RNAs (ceRNAs) Network Associated with Drought Tolerance in Medicago truncatula with Rhizobium Symbiosis. Int J Mol Sci 2022; 23:14237. [PMID: 36430715 PMCID: PMC9696283 DOI: 10.3390/ijms232214237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/08/2022] [Accepted: 11/12/2022] [Indexed: 11/19/2022] Open
Abstract
Drought, bringing the risks of agricultural production losses, is becoming a globally environmental stress. Previous results suggested that legumes with nodules exhibited superior drought tolerance compared with the non-nodule group. To investigate the molecular mechanism of rhizobium symbiosis impacting drought tolerance, transcriptome and sRNAome sequencing were performed to identify the potential mRNA-miRNA-ncRNA dynamic network. Our results revealed that seedlings with active nodules exhibited enhanced drought tolerance by reserving energy, synthesizing N-glycans, and medicating systemic acquired resistance due to the early effects of symbiotic nitrogen fixation (SNF) triggered in contrast to the drought susceptible with inactive nodules. The improved drought tolerance might be involved in the decreased expression levels of miRNA such as mtr_miR169l-5p, mtr_miR398b, and mtr_miR398c and its target genes in seedlings with active nodules. Based on the negative expression pattern between miRNA and its target genes, we constructed an mRNA-miR169l-ncRNA ceRNA network. During severe drought stress, the lncRNA alternative splicings TCONS_00049507 and TCONS_00049510 competitively interacted with mtr_miR169l-5p, which upregulated the expression of NUCLEAR FACTOR-Y (NF-Y) transcription factor subfamily NF-YA genes MtNF-YA2 and MtNF-YA3 to regulate their downstream drought-response genes. Our results emphasized the importance of SNF plants affecting drought tolerance. In conclusion, our work provides insight into ceRNA involvement in rhizobium symbiosis contributing to drought tolerance and provides molecular evidence for future study.
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Affiliation(s)
- Jiaxian Jing
- College of Grassland Agriculture, Northwest A&F University, Xianyang 712100, China
| | - Peizhi Yang
- College of Grassland Agriculture, Northwest A&F University, Xianyang 712100, China
| | - Yue Wang
- College of Grassland Agriculture, Northwest A&F University, Xianyang 712100, China
| | - Qihao Qu
- College of Grassland Agriculture, Northwest A&F University, Xianyang 712100, China
| | - Jie An
- College of Grassland Agriculture, Northwest A&F University, Xianyang 712100, China
- State Key Laboratory of Agrobiotechnology, College of Agronomy and Biotechnology, China Agricultural University, Beijing 100083, China
| | - Bingzhe Fu
- School of Agriculture, Ningxia University, Yinchuan 750021, China
| | - Xiaoning Hu
- Shaanxi Academy of Forestry, Xi’an 710082, China
| | - Yi Zhou
- School of Agriculture Food and Wine, The University of Adelaide, Waite Campus, Urrbrae, SA 5064, Australia
| | - Tianming Hu
- College of Grassland Agriculture, Northwest A&F University, Xianyang 712100, China
| | - Yuman Cao
- College of Grassland Agriculture, Northwest A&F University, Xianyang 712100, China
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13
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Jiao P, Ma R, Wang C, Chen N, Liu S, Qu J, Guan S, Ma Y. Integration of mRNA and microRNA analysis reveals the molecular mechanisms underlying drought stress tolerance in maize ( Zea mays L.). FRONTIERS IN PLANT SCIENCE 2022; 13:932667. [PMID: 36247625 PMCID: PMC9557922 DOI: 10.3389/fpls.2022.932667] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 09/02/2022] [Indexed: 05/24/2023]
Abstract
Drought is among the most serious environmental issue globally, and seriously affects the development, growth, and yield of crops. Maize (Zea mays L.), an important crop and industrial raw material, is planted on a large scale worldwide and drought can lead to large-scale reductions in maize corn production; however, few studies have focused on the maize root system mechanisms underlying drought resistance. In this study, miRNA-mRNA analysis was performed to deeply analyze the molecular mechanisms involved in drought response in the maize root system under drought stress. Furthermore, preliminary investigation of the biological function of miR408a in the maize root system was also conducted. The morphological, physiological, and transcriptomic changes in the maize variety "M8186" at the seedling stage under 12% PEG 6000 drought treatment (0, 7, and 24 h) were analyzed. With prolonged drought stress, seedlings gradually withered, the root system grew significantly, and abscisic acid, brassinolide, lignin, glutathione, and trehalose content in the root system gradually increased. Furthermore, peroxidase activity increased, while gibberellic acid and jasmonic acid gradually decreased. Moreover, 32 differentially expressed miRNAs (DEMIRs), namely, 25 known miRNAs and 7 new miRNAs, and 3,765 differentially expressed mRNAs (DEMRs), were identified in maize root under drought stress by miRNA-seq and mRNA-seq analysis, respectively. Through combined miRNA-mRNA analysis, 16 miRNA-target gene pairs, comprising 9 DEMIRs and 15 DEMRs, were obtained. In addition, four metabolic pathways, namely, "plant hormone signal transduction", "phenylpropane biosynthesis", "glutathione metabolism", and "starch and sucrose metabolism", were predicted to have important roles in the response of the maize root system to drought. MiRNA and mRNA expression results were verified by real-time quantitative PCR. Finally, miR408a was selected for functional analysis and demonstrated to be a negative regulator of drought response, mainly through regulation of reactive oxygen species accumulation in the maize root system. This study helps to elaborate the regulatory response mechanisms of the maize root system under drought stress and predicts the biological functions of candidate miRNAs and mRNAs, providing strategies for subsequent mining for, and biological breeding to select for, drought-responsive genes in the maize root system.
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Affiliation(s)
- Peng Jiao
- College of Life Sciences, Jilin Agricultural University, Changchun, China
- Joint International Research Laboratory of Modern Agricultural Technology, Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Ruiqi Ma
- College of Plant Science, Jilin University, Changchun, China
| | - Chunlai Wang
- College of Life Sciences, Jilin Agricultural University, Changchun, China
- Joint International Research Laboratory of Modern Agricultural Technology, Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Nannan Chen
- College of Life Sciences, Jilin Agricultural University, Changchun, China
- Joint International Research Laboratory of Modern Agricultural Technology, Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Siyan Liu
- Joint International Research Laboratory of Modern Agricultural Technology, Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Jing Qu
- Joint International Research Laboratory of Modern Agricultural Technology, Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Shuyan Guan
- Joint International Research Laboratory of Modern Agricultural Technology, Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Yiyong Ma
- Joint International Research Laboratory of Modern Agricultural Technology, Ministry of Education, Jilin Agricultural University, Changchun, China
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14
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Impact of Biochar Application at Water Shortage on Biochemical and Physiological Processes in Medicago ciliaris. PLANTS 2022; 11:plants11182411. [PMID: 36145812 PMCID: PMC9506477 DOI: 10.3390/plants11182411] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 09/05/2022] [Accepted: 09/08/2022] [Indexed: 11/16/2022]
Abstract
The application of biochar is mostly used to improve soil fertility, water retention capacity and nutrient uptake. The present study was conducted in order to study the impact of biochar at water deficiency conditions on the physiological and biochemical processes of Medicago ciliaris seedlings. Seedlings were cultivated under greenhouse conditions in pots filled with a mixture of soil and sand mixed in the presence or absence of 2% biochar. Plants of uniform size were subjected after a pretreatment phase (72 days) either to low (36% water holding capacity, water potential low) or high soil water potential (60% water holding capacity, water potential high). Pots were weighed every day to control and maintain a stable water holding capacity. In Medicago ciliaris, drought led to a significant reduction in plant growth and an increase in the root/shoot ratio. The growth response was accompanied by a decreased stomatal conductance and a reduction of the net CO2 assimilation rate and water use efficiency. The associated higher risk of ROS production was indicated by a high level of lipid peroxidation, high antioxidant activities and high proline accumulation. Soil amendment with biochar enhanced the growth significantly and supported the photosynthetic apparatus of Medicago ciliaris species by boosting chlorophyll content and Anet both under well and insufficient watered plants and water use efficiency in case of water shortage. This increase of water use efficiency was correlated with the biochar-mediated decrease of the MDA and proline contents in the leaves buffering the impact of drought on photosynthetic apparatus by increasing the activity of enzymatic antioxidants SOD, APX, GPOX and GR and non-enzymatic antioxidants, such as AsA and DHAsA, giving the overall picture of a moderate stress response. These results confirmed the hypothesis that biochar application significantly reduces both the degree of stress and the negative impact of oxidative stress on Medicago ciliaris plants. These results implied that this species could be suitable as a cash pasture plant in the development of agriculture on dry wasteland in a future world of water shortages.
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15
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Mohsenzadeh Golfazani M, Taghvaei MM, Samizadeh Lahiji H, Ashery S, Raza A. Investigation of proteins' interaction network and the expression pattern of genes involved in the ABA biogenesis and antioxidant system under methanol spray in drought-stressed rapeseed. 3 Biotech 2022; 12:217. [PMID: 35965657 PMCID: PMC9365922 DOI: 10.1007/s13205-022-03290-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 07/26/2022] [Indexed: 01/29/2023] Open
Abstract
Drought is one of the most critical abiotic stresses, which significantly impair rapeseed (Brassica napus L.) productivity. Several factors can regulate the stress response, including changes in gene expression in biological pathways, extensive protein interaction networks, and post-translational regulatory factors like microRNAs. External factors can also affect the intensity of the stress response. Therefore, this study investigated protein-protein interactions of some essential genes involved in abscisic acid (ABA) production, antioxidant system, and Krebs cycle. The expression of phyton synthase (PSY), 9-cis-epoxycarotenoid dioxygenase (NCED3), aldehyde oxidase (AAO3), thioredoxin reductase (NTRC), and glutathione reductase (GR) genes in two rapeseed genotypes, i.e., Hyola308 (drought-sensitive) and SLM046 (drought-tolerant) were evaluated using qRT-PCR technique under 72 h of drought stress and methanol foliar application. In the SLM046 (tolerant) genotype, the expression levels of PYS, NCED, AAO3, and GR genes were increased after 8 h of foliar application. The expression level of the NTR gene was increased 8 and 24 h after stress and methanol treatment. In the Hyola308 genotype, PYS, AAO3, NTR, and GR genes' expression level was increased 8 h after methanol foliar application, and the NCED gene was increased 24 h after stress with methanol treatment. In general, methanol foliar application increased the expression levels of several genes. Particularly, the gene expression was considerably higher in the SLM046 genotype than in Hyola308. Bioinformatics prediction of microRNAs targeting PSY, NCED, GR, NTRC, and AAO3 genes was performed, and 38, 38, 13, 11, and 11 microRNAs were predicted for these genes, respectively. The study of effective microRNAs showed that sometimes more than one type of microRNA could affect the desired gene, and in some cases, a conserved family of microRNAs caused the main effect on gene expression. Overall, our results lay the foundation for functional characterization of these genes or gene-miRNA modules in regulating drought stress tolerance in rapeseed.
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Affiliation(s)
| | - Mohammad Mahdi Taghvaei
- Department of Agricultural Biotechnology, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran
| | - Habibollah Samizadeh Lahiji
- Department of Agricultural Biotechnology, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran
| | - Seddigheh Ashery
- Department of Agricultural Biotechnology, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran
| | - Ali Raza
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Center of Legume Crop Genetics and Systems Biology/College of Agriculture, Oil Crops Research Institute, Fujian Agriculture and Forestry University (FAFU), Fuzhou, China
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16
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Fan B, Sun F, Yu Z, Zhang X, Yu X, Wu J, Yan X, Zhao Y, Nie L, Fang Y, Ma Y. Integrated analysis of small RNAs, transcriptome and degradome sequencing reveal the drought stress network in Agropyron mongolicum Keng. FRONTIERS IN PLANT SCIENCE 2022; 13:976684. [PMID: 36061788 PMCID: PMC9433978 DOI: 10.3389/fpls.2022.976684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 08/03/2022] [Indexed: 06/15/2023]
Abstract
Agropyron mongolicum (A. mongolicum) is an excellent gramineous forage with extreme drought tolerance, which lives in arid and semiarid desert areas. However, the mechanism that underlies the response of microRNAs (miRNAs) and their targets in A. mongolicum to drought stress is not well understood. In this study, we analyzed the transcriptome, small RNAome (specifically the miRNAome) and degradome to generate a comprehensive resource that focused on identifying key regulatory miRNA-target circuits under drought stress. The most extended transcript in each collection is known as the UniGene, and a total of 41,792 UniGenes and 1,104 miRNAs were identified, and 99 differentially expressed miRNAs negatively regulated 1,474 differentially expressed target genes. Among them, eight miRNAs were unique to A. mongolicum, and there were 36 target genes. A weighted gene co-expression network analysis identified five hub genes. The miRNAs of five hub genes were screened with an integration analysis of the degradome and sRNAs, such as osa-miR444a-3p.2-MADS47, bdi-miR408-5p_1ss19TA-CCX1, tae-miR9774_L-2R-1_1ss11GT-carC, ata-miR169a-3p-PAO2, and bdi-miR528-p3_2ss15TG20CA-HOX24. The functional annotations revealed that they were involved in mediating the brassinosteroid signal pathway, transporting and exchanging sodium and potassium ions and regulating the oxidation-reduction process, hydrolase activity, plant response to water deprivation, abscisic acid (ABA) and the ABA-activated signaling pathway to regulate drought stress. Five hub genes were discovered, which could play central roles in the regulation of drought-responsive genes. These results show that the combined analysis of miRNA, the transcriptome and degradation group provides a useful platform to investigate the molecular mechanism of drought resistance in A. mongolicum and could provide new insights into the genetic engineering of Poaceae crops in the future.
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Affiliation(s)
- Bobo Fan
- Agricultural College, Inner Mongolia Agricultural University, Hohhot, China
| | - Fengcheng Sun
- Inner Mongolia Academy of Agricultural & Animal Husbandry Sciences, Hohhot, China
| | - Zhuo Yu
- Agricultural College, Inner Mongolia Agricultural University, Hohhot, China
| | - Xuefeng Zhang
- Agricultural College, Inner Mongolia Agricultural University, Hohhot, China
| | - Xiaoxia Yu
- Agricultural College, Inner Mongolia Agricultural University, Hohhot, China
| | - Jing Wu
- Agricultural College, Inner Mongolia Agricultural University, Hohhot, China
| | - Xiuxiu Yan
- Agricultural College, Inner Mongolia Agricultural University, Hohhot, China
| | - Yan Zhao
- College of Grassland, Resources and Environment, Inner Mongolia Agricultural University, Hohhot, China
| | - Lizhen Nie
- Inner Mongolia Academy of Agricultural & Animal Husbandry Sciences, Hohhot, China
| | - Yongyu Fang
- Inner Mongolia Academy of Agricultural & Animal Husbandry Sciences, Hohhot, China
| | - Yanhong Ma
- Agricultural College, Inner Mongolia Agricultural University, Hohhot, China
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17
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Molecular Aspects of MicroRNAs and Phytohormonal Signaling in Response to Drought Stress: A Review. Curr Issues Mol Biol 2022; 44:3695-3710. [PMID: 36005149 PMCID: PMC9406886 DOI: 10.3390/cimb44080253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Revised: 07/29/2022] [Accepted: 08/10/2022] [Indexed: 11/16/2022] Open
Abstract
Phytohormones play an essential role in plant growth and development in response to environmental stresses. However, plant hormones require a complex signaling network combined with other signaling pathways to perform their proper functions. Thus, multiple phytohormonal signaling pathways are a prerequisite for understanding plant defense mechanism against stressful conditions. MicroRNAs (miRNAs) are master regulators of eukaryotic gene expression and are also influenced by a wide range of plant development events by suppressing their target genes. In recent decades, the mechanisms of phytohormone biosynthesis, signaling, pathways of miRNA biosynthesis and regulation were profoundly characterized. Recent findings have shown that miRNAs and plant hormones are integrated with the regulation of environmental stress. miRNAs target several components of phytohormone pathways, and plant hormones also regulate the expression of miRNAs or their target genes inversely. In this article, recent developments related to molecular linkages between miRNAs and phytohormones were reviewed, focusing on drought stress.
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18
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Dubrovna OV, Mykhalska SI, Komisarenko AG. Using Proline Metabolism Genes in Plant Genetic Engineering. CYTOL GENET+ 2022. [DOI: 10.3103/s009545272204003x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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19
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Zhao P, Wang F, Deng Y, Zhong F, Tian P, Lin D, Deng J, Zhang Y, Huang T. Sly-miR159 regulates fruit morphology by modulating GA biosynthesis in tomato. PLANT BIOTECHNOLOGY JOURNAL 2022; 20:833-845. [PMID: 34882929 PMCID: PMC9055814 DOI: 10.1111/pbi.13762] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 11/28/2021] [Indexed: 05/29/2023]
Abstract
Fruit morphology is an important agronomical trait of many crops. Here, we identify Sly-miR159 as an important regulator of fruit morphology in tomato, a model species of fleshy-fruit development. We show that Sly-miR159 functions through its target SlGAMYB2 to control fruit growth. Suppression of Sly-miR159 and overexpression of SlGAMYB2 result in larger fruits with a reduced length/width ratio, while loss of function of SlGAMYB2 leads to the formation of smaller and more elongated fruits. Gibberellin (GA) is a major phytohormone that regulates fruit development in tomato. We show the Sly-miR159-SlGAMYB2 pathway controls fruit morphology by modulating GA biosynthesis. In particular, we demonstrate that Sly-miR159 promotes GA biosynthesis largely through the direct repression of the GA biosynthetic gene SlGA3ox2 by SlGAMYB2. Together, our findings reveal the action of Sly-miR159 on GA biosynthesis as a previously unidentified mechanism that controls fruit morphology in tomato. Modulating this pathway may have potential applications in tomato breeding for manipulating fruit growth and facilitating the process of fruit improvement.
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Affiliation(s)
- Panpan Zhao
- Guangdong Provincial Key Laboratory for Plant EpigeneticsCollege of Life Sciences and OceanographyShenzhen UniversityShenzhenGuangdongChina
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and GuangdongCollege of Optoelectronic EngineeringShenzhen UniversityShenzhenGuangdongChina
| | - Fengpan Wang
- Guangdong Provincial Key Laboratory for Plant EpigeneticsCollege of Life Sciences and OceanographyShenzhen UniversityShenzhenGuangdongChina
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and GuangdongCollege of Optoelectronic EngineeringShenzhen UniversityShenzhenGuangdongChina
| | - Yinjiao Deng
- Guangdong Provincial Key Laboratory for Plant EpigeneticsCollege of Life Sciences and OceanographyShenzhen UniversityShenzhenGuangdongChina
| | - Fanjia Zhong
- Guangdong Provincial Key Laboratory for Plant EpigeneticsCollege of Life Sciences and OceanographyShenzhen UniversityShenzhenGuangdongChina
| | - Peng Tian
- Guangdong Provincial Key Laboratory for Plant EpigeneticsCollege of Life Sciences and OceanographyShenzhen UniversityShenzhenGuangdongChina
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and GuangdongCollege of Optoelectronic EngineeringShenzhen UniversityShenzhenGuangdongChina
| | - Dongbo Lin
- Guangdong Provincial Key Laboratory for Plant EpigeneticsCollege of Life Sciences and OceanographyShenzhen UniversityShenzhenGuangdongChina
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and GuangdongCollege of Optoelectronic EngineeringShenzhen UniversityShenzhenGuangdongChina
| | - Juhui Deng
- Guangdong Provincial Key Laboratory for Plant EpigeneticsCollege of Life Sciences and OceanographyShenzhen UniversityShenzhenGuangdongChina
| | - Yongxia Zhang
- Guangdong Provincial Key Laboratory for Plant EpigeneticsCollege of Life Sciences and OceanographyShenzhen UniversityShenzhenGuangdongChina
| | - Tengbo Huang
- Guangdong Provincial Key Laboratory for Plant EpigeneticsCollege of Life Sciences and OceanographyShenzhen UniversityShenzhenGuangdongChina
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20
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Singh A, Jain D, Pandey J, Yadav M, Bansal KC, Singh IK. Deciphering the role of miRNA in reprogramming plant responses to drought stress. Crit Rev Biotechnol 2022; 43:613-627. [PMID: 35469523 DOI: 10.1080/07388551.2022.2047880] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Drought is the most prevalent environmental stress that affects plants' growth, development, and crop productivity. However, plants have evolved adaptive mechanisms to respond to the harmful effects of drought. They reprogram their: transcriptome, proteome, and metabolome that alter their cellular and physiological processes and establish cellular homeostasis. One of the crucial regulatory processes that govern this reprogramming is post-transcriptional regulation by microRNAs (miRNAs). miRNAs are small non-coding RNAs, involved in the downregulation of the target mRNA via translation inhibition/mRNA degradation/miRNA-mediated mRNA decay/ribosome drop off/DNA methylation. Many drought-inducible miRNAs have been identified and characterized in plants. Their main targets are regulatory genes that influence growth, development, osmotic stress tolerance, antioxidant defense, phytohormone-mediated signaling, and delayed senescence during drought stress. Overexpression of drought-responsive miRNAs (Osa-miR535, miR160, miR408, Osa-miR393, Osa-miR319, and Gma-miR394) in certain plants has led to tolerance against drought stress indicating their vital role in stress mitigation. Similarly, knock down (miR166/miR398c) or deletion (miR169 and miR827) of miRNAs has also resulted in tolerance to drought stress. Likewise, engineered Arabidopsis plants with miR165, miR166 using short tandem target mimic strategy, exhibited drought tolerance. Since miRNAs regulate the expression of an array of drought-responsive genes, they can act as prospective targets for genetic manipulations to enhance drought tolerance in crops and achieve sustainable agriculture. Further investigations toward functional characterization of diverse miRNAs, and understanding stress-responses regulated by these miRNAs and their utilization in biotechnological applications is highly recommended.
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Affiliation(s)
- Archana Singh
- Department of Botany, Hansraj College, University of Delhi, New Delhi, India
| | - Deepti Jain
- Department of Plant Molecular Biology, Interdisciplinary Centre for Plant Genomics, Delhi University South Campus, New Delhi, India
| | - Jyotsna Pandey
- Department of Botany, Hansraj College, University of Delhi, New Delhi, India
| | - Manisha Yadav
- Department of Botany, Hansraj College, University of Delhi, New Delhi, India
| | - Kailash C Bansal
- The Alliance of Bioversity International and CIAT (CGIAR), New Delhi, India
| | - Indrakant K Singh
- Department of Zoology, Molecular Biology Research Lab, Deshbandhu College, University of Delhi, New Delhi, India.,DBC i4 Center, Deshbandhu College, University of Delhi, New Delhi, India
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21
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Ma X, Zhao F, Zhou B. The Characters of Non-Coding RNAs and Their Biological Roles in Plant Development and Abiotic Stress Response. Int J Mol Sci 2022; 23:ijms23084124. [PMID: 35456943 PMCID: PMC9032736 DOI: 10.3390/ijms23084124] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 03/30/2022] [Accepted: 04/06/2022] [Indexed: 02/07/2023] Open
Abstract
Plant growth and development are greatly affected by the environment. Many genes have been identified to be involved in regulating plant development and adaption of abiotic stress. Apart from protein-coding genes, more and more evidence indicates that non-coding RNAs (ncRNAs), including small RNAs and long ncRNAs (lncRNAs), can target plant developmental and stress-responsive mRNAs, regulatory genes, DNA regulatory regions, and proteins to regulate the transcription of various genes at the transcriptional, posttranscriptional, and epigenetic level. Currently, the molecular regulatory mechanisms of sRNAs and lncRNAs controlling plant development and abiotic response are being deeply explored. In this review, we summarize the recent research progress of small RNAs and lncRNAs in plants, focusing on the signal factors, expression characters, targets functions, and interplay network of ncRNAs and their targets in plant development and abiotic stress responses. The complex molecular regulatory pathways among small RNAs, lncRNAs, and targets in plants are also discussed. Understanding molecular mechanisms and functional implications of ncRNAs in various abiotic stress responses and development will benefit us in regard to the use of ncRNAs as potential character-determining factors in molecular plant breeding.
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Affiliation(s)
- Xu Ma
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Northeast Forestry University, Ministry of Education, Harbin 150040, China;
- College of Life Science, Northeast Forestry University, Harbin 150040, China
| | - Fei Zhao
- Horticulture Science and Engineering, Shandong Agricultural University, Taian 271018, China
- Correspondence: (F.Z.); (B.Z.); Tel.: +86-0538-8243-965 (F.Z.); +86-0451-8219-1738 (B.Z.)
| | - Bo Zhou
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration, Northeast Forestry University, Ministry of Education, Harbin 150040, China;
- College of Life Science, Northeast Forestry University, Harbin 150040, China
- Correspondence: (F.Z.); (B.Z.); Tel.: +86-0538-8243-965 (F.Z.); +86-0451-8219-1738 (B.Z.)
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22
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Faqir Napar WP, Kaleri AR, Ahmed A, Nabi F, Sajid S, Ćosić T, Yao Y, Liu J, Raspor M, Gao Y. The anthocyanin-rich tomato genotype LA-1996 displays superior efficiency of mechanisms of tolerance to salinity and drought. JOURNAL OF PLANT PHYSIOLOGY 2022; 271:153662. [PMID: 35259587 DOI: 10.1016/j.jplph.2022.153662] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 02/24/2022] [Accepted: 02/25/2022] [Indexed: 06/14/2023]
Abstract
Tomato cultivation is affected by high soil salinity and drought stress, which cause major yield losses worldwide. In this work, we compare the efficiency of mechanisms of tolerance to salinity, and osmotic stress applied as mannitol or drought, in three tomato genotypes: LA-2838 (Ailsa Craig), LA-2662 (Saladette), and LA-1996 (Anthocyanin fruit - Aft), a genotype known for high anthocyanin content. Exposure to salinity or drought induced stress in all three genotypes, but the LA-1996 plants displayed superior tolerance to stress compared with the other two genotypes. They were more efficient in anthocyanin and proline accumulation, superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT) activity, and leaf Na+, K+, and Ca2+ homeostasis. In addition, they suffered lesser oxidative damage as measured by chlorophyll (Chl) loss and malondialdehyde (MDA) accumulation, and bioassays showed that they were less affected in terms of seed germination and root elongation. Exposure to stress induced the upregulation of stress-related genes SlNCED1, SlAREB1, SlABF4, SlWRKY8, and SlDREB2A more efficiently in LA-1996 than in the two susceptible genotypes. Conversely, the upregulation of the NADPH oxidase gene SlRBOH1 was more pronounced in LA-2838 and LA-2662. Principal component analysis showed obvious distinction between the tolerant genotype LA-1996 and the susceptible LA-2838 and LA-2662 in response to stress, and association of leaf and stem anthocyanin content with major stress tolerance traits. We suggest that anthocyanin accumulation can be considered as a marker of stress tolerance in tomato, and that LA-1996 can be considered for cultivation in salinity- or drought-affected areas.
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Affiliation(s)
- Wado Photo Faqir Napar
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China
| | - Abdul Rasheed Kaleri
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China
| | - Awais Ahmed
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China
| | - Farhan Nabi
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China
| | - Sumbal Sajid
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China
| | - Tatjana Ćosić
- Institute for Biological Research "Siniša Stanković" - National Institute of Republic of Serbia, University of Belgrade, 11060, Belgrade, Serbia
| | - Yinan Yao
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China
| | - Jikai Liu
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China.
| | - Martin Raspor
- Institute for Biological Research "Siniša Stanković" - National Institute of Republic of Serbia, University of Belgrade, 11060, Belgrade, Serbia
| | - Yongfeng Gao
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, Sichuan, China.
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23
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Han S, Jiang S, Xiong R, Shafique K, Zahid KR, Wang Y. Response and tolerance mechanism of food crops under high temperature stress: a review. BRAZ J BIOL 2022; 82:e253898. [PMID: 35107484 DOI: 10.1590/1519-6984.253898] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Accepted: 11/23/2021] [Indexed: 01/15/2023] Open
Abstract
High temperature stress events are critical factors inhibiting crop yield. Meanwhile, world population is growing very rapidly and will be reached up to 9 billion by 2050. To feed increasing world population, it is challenging task to increase about 70% global food productions. Food crops have significant contribution toward global food demand and food security. However, consequences from increasing heat stress events are demolishing their abilities to survive and sustain yield when subjected to extreme high temperature stress. Therefore, there is dire need to better understand response and tolerance mechanism of food crops following exposure to heat stress. Here, we aimed to provide recent update on impact of high temperature stress on crop yield of food crops, pollination, pollinators, and novel strategies for improving tolerance of food crop under high temperature stress. Importantly, development of heat-resistant transgenic food crops can grant food security through transformation of superior genes into current germplasm, which are associated with various signaling pathways as well as epigenetic regulation in response to extreme high temperature stress.
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Affiliation(s)
- S Han
- Liupanshui Normal University, School of Biological Sciences and Technology, Liupanshui, China
| | - S Jiang
- Zhengzhou Normal University, Bioengineering Research Center, Zhengzhou, Henan, P.R. China
| | - R Xiong
- Liupanshui Normal University, School of Biological Sciences and Technology, Liupanshui, China
| | - K Shafique
- Government Sadiq College Women University, Department of Botany, Bahawalpur, Pakistan
| | - K R Zahid
- Shenzhen University, Carson International Cancer Center, College of Life Sciences and Oceanography, Shenzhen Key Laboratory of Microbial Genetic Engineering, Shenzhen, Guangdong, China
| | - Y Wang
- Liupanshui Normal University, School of Biological Sciences and Technology, Liupanshui, China
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24
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Kumar S, Abass Ahanger M, Alshaya H, Latief Jan B, Yerramilli V. Salicylic acid mitigates salt induced toxicity through the modifications of biochemical attributes and some key antioxidants in capsicum annuum. Saudi J Biol Sci 2022. [DOI: 10.1016/j.sjbs.2022.01.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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25
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Chai W, Song N, Su A, Wang J, Si W, Cheng B, Jiang H. ZmmiR190 and its target regulate plant responses to drought stress through an ABA-dependent pathway. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2021; 312:111034. [PMID: 34620438 DOI: 10.1016/j.plantsci.2021.111034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 08/23/2021] [Accepted: 08/24/2021] [Indexed: 06/13/2023]
Abstract
MicroRNAs (miRNAs) are small, non-coding regulatory RNAs that regulate gene expression by facilitating target mRNA cleavage in plants. They are crucial for responses to diverse stresses. The novel drought-responsive miRNA ZmmiR190 was previously identified during an analysis of the maize transcriptome. In this study, we revealed that transgenic Arabidopsis thaliana overexpressing ZmmiR190 is more sensitive to drought than the wild-type control. The transcript of a nuclear-localized gene, ZmCRP04, was identified as a likely target of ZmmiR190. Moreover, ZmmiR190 and ZmCRP04 had the opposite expression profiles following drought and salt treatments. Additionally, 5' RACE and coexpression analyses in A. thaliana provided evidence of the in vivo targeting of the ZmCRP04 transcript by ZmmiR190. Furthermore, the overexpression of ZmCRP04 in A. thaliana and rice significantly enhanced drought tolerance, with lower malonaldehyde contents and relative electrolyte leakage in the transgenic A. thaliana and rice plants than in the wild-type control. Transgenic plants overexpressing ZmmiR190 or ZmCRP04 were hypersensitive to abscisic acid. These results suggest that the ZmCRP04 transcript is targeted by ZmmiR190 and may encode a protein that positively regulates drought stress tolerance via an abscisic acid-dependent pathway. These findings may be relevant for future molecular breeding aimed at improving crop drought tolerance.
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Affiliation(s)
- Wenbo Chai
- National Engineering Laboratory of Crop Stress Resistance Breeding, School of Life Sciences, Anhui Agricultural University, Hefei, China; Lianyungang Academy of Agricultural Sciences, Lianyungang, Jiangsu, 222000, China
| | - Nannan Song
- National Engineering Laboratory of Crop Stress Resistance Breeding, School of Life Sciences, Anhui Agricultural University, Hefei, China
| | - Anqi Su
- National Engineering Laboratory of Crop Stress Resistance Breeding, School of Life Sciences, Anhui Agricultural University, Hefei, China
| | - Jun Wang
- Lianyungang Academy of Agricultural Sciences, Lianyungang, Jiangsu, 222000, China
| | - Weina Si
- National Engineering Laboratory of Crop Stress Resistance Breeding, School of Life Sciences, Anhui Agricultural University, Hefei, China
| | - Beijiu Cheng
- National Engineering Laboratory of Crop Stress Resistance Breeding, School of Life Sciences, Anhui Agricultural University, Hefei, China
| | - Haiyang Jiang
- National Engineering Laboratory of Crop Stress Resistance Breeding, School of Life Sciences, Anhui Agricultural University, Hefei, China.
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26
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Zhou X, Joshi S, Khare T, Patil S, Shang J, Kumar V. Nitric oxide, crosstalk with stress regulators and plant abiotic stress tolerance. PLANT CELL REPORTS 2021; 40:1395-1414. [PMID: 33974111 DOI: 10.1007/s00299-021-02705-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 04/26/2021] [Indexed: 06/12/2023]
Abstract
Nitric oxide is a dynamic gaseous molecule involved in signalling, crosstalk with stress regulators, and plant abiotic-stress responses. It has great exploratory potentials for engineering abiotic stress tolerance in crops. Nitric oxide (NO), a redox-active gaseous signalling molecule, though present uniformly through the eukaryotes, maintain its specificity in plants with respect to its formation, signalling, and functions. Its cellular concentrations are decisive for its function, as a signalling molecule at lower concentrations, but triggers nitro-oxidative stress and cellular damage when produced at higher concentrations. Besides, it also acts as a potent stress alleviator. Discovered in animals as neurotransmitter, NO has come a long way to being a stress radical and growth regulator in plants. As a key redox molecule, it exhibits several key cellular and molecular interactions including with reactive chemical species, hydrogen sulphide, and calcium. Apart from being a signalling molecule, it is emerging as a key player involved in regulations of plant growth, development and plant-environment interactions. It is involved in crosstalk with stress regulators and is thus pivotal in these stress regulatory mechanisms. NO is getting an unprecedented attention from research community, being investigated and explored for its multifaceted roles in plant abiotic stress tolerance. Through this review, we intend to present the current knowledge and updates on NO biosynthesis and signalling, crosstalk with stress regulators, and how biotechnological manipulations of NO pathway are leading towards developing transgenic crop plants that can withstand environmental stresses and climate change. The targets of various stress responsive miRNA signalling have also been discussed besides giving an account of current approaches used to characterise and detect the NO.
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Affiliation(s)
- Xianrong Zhou
- School of Life Science and Biotechnology, Yangtze Normal University, Chongqing, 408100, China.
| | - Shrushti Joshi
- Department of Biotechnology, Modern College of Arts, Science and Commerce, Savitribai Phule Pune University, Ganeshkhind, Pune, 411016, India
| | - Tushar Khare
- Department of Biotechnology, Modern College of Arts, Science and Commerce, Savitribai Phule Pune University, Ganeshkhind, Pune, 411016, India
- Department of Environmental Science, Savitribai Phule Pune University, Pune, 411007, India
| | - Suraj Patil
- Department of Biotechnology, Modern College of Arts, Science and Commerce, Savitribai Phule Pune University, Ganeshkhind, Pune, 411016, India
| | - Jin Shang
- School of Life Science and Biotechnology, Yangtze Normal University, Chongqing, 408100, China
| | - Vinay Kumar
- Department of Biotechnology, Modern College of Arts, Science and Commerce, Savitribai Phule Pune University, Ganeshkhind, Pune, 411016, India.
- Department of Environmental Science, Savitribai Phule Pune University, Pune, 411007, India.
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27
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Guo C, Jiang Y, Shi M, Wu X, Wu G. ABI5 acts downstream of miR159 to delay vegetative phase change in Arabidopsis. THE NEW PHYTOLOGIST 2021; 231:339-350. [PMID: 33774835 DOI: 10.1111/nph.17371] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Accepted: 03/20/2021] [Indexed: 05/14/2023]
Abstract
Vegetative development constitutes a critical phase in plant development, and it is regulated by an evolutionarily conserved miR156-SPL pathway. Previous studies have shown that miR159 acts to prevent the hyperactivation of miR156 to regulate the timing of vegetative phase change in Arabidopsis. However, whether miR159 integrates into the abscisic acid (ABA) signaling pathway to control vegetative phase change remains unexplored, since miR159 also plays an important regulatory role in ABA response. Here, we show that the expression of ABI5 (ABA INSENSITIVE5), a crucial regulator in the ABA signaling pathway, is significantly elevated in the loss-of-function mutant of miR159 (mir159ab). Loss of function in ABI5 (abi5) promotes juvenile-to-adult transition, whereas overexpression of ABI5 delays this transition under short-day conditions. Genetic analyses indicated that the effect of mir159ab on vegetative phase change is ABI5 dependent. Further analysis confirmed that MYB33, a major target of miR159, promotes the transcription of ABI5 by directly binding to its promoter. ABI5 functions upstream of miR156 to promote juvenile development by affecting the expression of genes in the miR156-SPL pathway. Therefore, our study uncovers a new role of ABI5 in vegetative development in plants, and implies a role of ABA signaling in vegetative development in Arabidopsis.
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Affiliation(s)
- Changkui Guo
- State Key Laboratory of Subtropical Silviculture, School of Agriculture and Food Sciences, Zhejiang Agriculture and Forestry University, Hangzhou, 311300, China
| | - Youqi Jiang
- State Key Laboratory of Subtropical Silviculture, School of Agriculture and Food Sciences, Zhejiang Agriculture and Forestry University, Hangzhou, 311300, China
| | - Min Shi
- State Key Laboratory of Subtropical Silviculture, School of Agriculture and Food Sciences, Zhejiang Agriculture and Forestry University, Hangzhou, 311300, China
| | - Xi Wu
- State Key Laboratory of Subtropical Silviculture, School of Agriculture and Food Sciences, Zhejiang Agriculture and Forestry University, Hangzhou, 311300, China
| | - Gang Wu
- State Key Laboratory of Subtropical Silviculture, School of Agriculture and Food Sciences, Zhejiang Agriculture and Forestry University, Hangzhou, 311300, China
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28
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Anwar A, Wang K, Wang J, Shi L, Du L, Ye X. Expression of Arabidopsis Ornithine Aminotransferase (AtOAT) encoded gene enhances multiple abiotic stress tolerances in wheat. PLANT CELL REPORTS 2021; 40:1155-1170. [PMID: 33950277 DOI: 10.1007/s00299-021-02699-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 04/19/2021] [Indexed: 05/25/2023]
Abstract
The drought and salt tolerances of wheat were enhanced by ectopic expression of the Arabidopsis ornithine aminotransferase (AtOAT) encoded gene. The OAT was confirmed to play a role in proline biosynthesis in wheat. Proline (Pro) accumulation is a common response to both abiotic and biotic stresses in plants. Ornithine aminotransferase (OAT) is pyridoxal-5-phosphate dependent enzyme involved in plant proline biosynthesis. During stress condition, proline is synthesized via glutamate and ornithine pathways. The OAT is the key enzyme in ornithine pathway. In this study, an OAT gene AtOAT from Arabidopsis was expressed in wheat for its functional characterization under drought, salinity, and heat stress conditions. We found that the expression of AtOAT enhanced the drought and salt stress tolerances of wheat by increasing the proline content and peroxidase activity. In addition, it was confirmed that the expression of AtOAT also played a partial tolerance to heat stress in the transgenic wheat plants. Moreover, quantitative real-time PCR (qRT-PCR) analysis showed that the transformation of AtOAT up-regulated the expression of the proline biosynthesis associated genes TaOAT, TaP5CS, and TaP5CR, and down-regulated that of the proline catabolism related gene TaP5CDH in the transgenic plants under stress conditions. Moreover, the genes involved in ornithine pathway (Orn-OAT-P5C/GSA-P5CR-Pro) were up-regulated along with the up-regulation of those genes involved in glutamate pathway (Glu-P5CS-P5C/GSA-P5CR-Pro). Therefore, we concluded that the expression of AtOAT enhanced wheat abiotic tolerance via modifying the proline biosynthesis by up-regulating the expression of the proline biosynthesis-associated genes and down-regulating that of the proline catabolic gene under stresses condition.
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Affiliation(s)
- Alia Anwar
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, People's Republic of China
| | - Ke Wang
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, People's Republic of China
| | - Jing Wang
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, People's Republic of China
| | - Lei Shi
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, People's Republic of China
| | - Lipu Du
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, People's Republic of China
| | - Xingguo Ye
- Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, People's Republic of China.
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29
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Kaur H, Kohli SK, Khanna K, Bhardwaj R. Scrutinizing the impact of water deficit in plants: Transcriptional regulation, signaling, photosynthetic efficacy, and management. PHYSIOLOGIA PLANTARUM 2021; 172:935-962. [PMID: 33686690 DOI: 10.1111/ppl.13389] [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: 08/22/2020] [Revised: 01/18/2021] [Accepted: 03/03/2021] [Indexed: 06/12/2023]
Abstract
Suboptimal availability of water limits plant growth, development, and performance. Drought is one of the leading factors responsible for worldwide crop yield reduction. In the future, owing to climate changes, more agricultural land will be affected by prolonged periods of water deficit. Thus, understanding the fundamental mechanism of drought response is a major scientific concern for improvement of crop production. To combat drought stress, plants deploy varied mechanistic strategies and alter their morphological, physiochemical, and molecular attributes. This helps plant to enhance water uptake and storage, reduce water loss and avoid wilting. Induction of several transcription factors and drought responsive genes leads to synthesis of stress proteins, regulation of water channels i.e. aquaporins and production of osmolytes that are essential for maintenance of osmotic balance at the cellular level. Self- and hormone-regulated signaling pathways are often stimulated by plants after receiving drought stress signals via secondary messengers, mitogen-activated protein kinases, and stress hormones. These signaling cascades often leads to stomatal closure and reduction in transpiration rates. Reduced carbon dioxide diffusion in chloroplast, lowered efficacy of photosystems, and other metabolic constraints limits the key regulatory photosynthetic process during water deficit. The impact of these stomatal and nonstomatal limitations varies with stress intensity, superimposed stresses and plant species. A clear understanding of the drought resistance process is thus important before adopting strategies for imparting drought tolerance in plants. These management practices at present include exogenous hormone application, breeding, and genetic engineering techniques for combating the water deficit issues.
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Affiliation(s)
- Harsimran Kaur
- PG Department of Agriculture, Plant Protection Division, Khalsa College, Amritsar, Punjab, India
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Sukhmeen Kaur Kohli
- PG Department of Agriculture, Plant Protection Division, Khalsa College, Amritsar, Punjab, India
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Kanika Khanna
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Renu Bhardwaj
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
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30
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Drought Stress Impacts on Plants and Different Approaches to Alleviate Its Adverse Effects. PLANTS 2021; 10:plants10020259. [PMID: 33525688 PMCID: PMC7911879 DOI: 10.3390/plants10020259] [Citation(s) in RCA: 275] [Impact Index Per Article: 91.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/14/2021] [Accepted: 01/18/2021] [Indexed: 12/20/2022]
Abstract
Drought stress, being the inevitable factor that exists in various environments without recognizing borders and no clear warning thereby hampering plant biomass production, quality, and energy. It is the key important environmental stress that occurs due to temperature dynamics, light intensity, and low rainfall. Despite this, its cumulative, not obvious impact and multidimensional nature severely affects the plant morphological, physiological, biochemical and molecular attributes with adverse impact on photosynthetic capacity. Coping with water scarcity, plants evolve various complex resistance and adaptation mechanisms including physiological and biochemical responses, which differ with species level. The sophisticated adaptation mechanisms and regularity network that improves the water stress tolerance and adaptation in plants are briefly discussed. Growth pattern and structural dynamics, reduction in transpiration loss through altering stomatal conductance and distribution, leaf rolling, root to shoot ratio dynamics, root length increment, accumulation of compatible solutes, enhancement in transpiration efficiency, osmotic and hormonal regulation, and delayed senescence are the strategies that are adopted by plants under water deficit. Approaches for drought stress alleviations are breeding strategies, molecular and genomics perspectives with special emphasis on the omics technology alteration i.e., metabolomics, proteomics, genomics, transcriptomics, glyomics and phenomics that improve the stress tolerance in plants. For drought stress induction, seed priming, growth hormones, osmoprotectants, silicon (Si), selenium (Se) and potassium application are worth using under drought stress conditions in plants. In addition, drought adaptation through microbes, hydrogel, nanoparticles applications and metabolic engineering techniques that regulate the antioxidant enzymes activity for adaptation to drought stress in plants, enhancing plant tolerance through maintenance in cell homeostasis and ameliorates the adverse effects of water stress are of great potential in agriculture.
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31
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Çakır Ö, Arıkan B, Karpuz B, Turgut-Kara N. Expression analysis of miRNAs and their targets related to salt stress in Solanum lycopersicum H-2274. BIOTECHNOL BIOTEC EQ 2021. [DOI: 10.1080/13102818.2020.1870871] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Affiliation(s)
- Özgür Çakır
- Department of Molecular Biology and Genetics, Science Faculty, İstanbul University, Istanbul, Turkey
| | - Burcu Arıkan
- Department of Molecular Biology and Genetics, Science Faculty, İstanbul University, Istanbul, Turkey
| | - Burcu Karpuz
- Programme of Molecular Biology and Genetics, Institute of Science, Istanbul University, Istanbul, Turkey
| | - Neslihan Turgut-Kara
- Department of Molecular Biology and Genetics, Science Faculty, İstanbul University, Istanbul, Turkey
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32
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Shi R, Jiao W, Yun L, Zhang Z, Zhang X, Wang Q, Li Y, Mi F. Utilization of Transcriptome, Small RNA, and Degradome Sequencing to Provide Insights Into Drought Stress and Rewatering Treatment in Medicago ruthenica. FRONTIERS IN PLANT SCIENCE 2021; 12:675903. [PMID: 34413864 PMCID: PMC8369265 DOI: 10.3389/fpls.2021.675903] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 07/14/2021] [Indexed: 05/08/2023]
Abstract
Drought is a major limiting factor in foraging grass yield and quality. Medicago ruthenica (M. ruthenica) is a high-quality forage legume with drought resistance, cold tolerance, and strong adaptability. In this study, we integrated transcriptome, small RNA, and degradome sequencing in identifying drought response genes, microRNAs (miRNAs), and key miRNA-target pairs in M. ruthenica under drought and rewatering treatment conditions. A total of 3,905 genes and 50 miRNAs (45 conserved and 5 novel miRNAs) were significantly differentially expressed in three test conditions (CK: control, DS: plants under drought stress, and RW: plants rewatering after drought stress). The degradome sequencing (AllenScore < 4) analysis revealed that 104 miRNAs (11 novel and 93 conserved miRNAs) were identified with 263 target transcripts, forming 296 miRNA-target pairs in three libraries. There were 38 differentially expressed targets from 16 miRNAs in DS vs. CK, 31 from 11 miRNAs in DS vs. RW, and 6 from 3 miRNAs in RW vs. CK; 21, 18, and 3 miRNA-target gene pairs showed reverse expression patterns in DS vs. CK, DS vs. RW, and RW vs. CK comparison groups, respectively. These findings provide valuable information for further functional characterization of genes and miRNAs in response to abiotic stress, in general, and drought stress in M. ruthenica, and potentially contribute to drought resistance breeding of forage in the future.
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Affiliation(s)
- Rui Shi
- Key Laboratory of Grassland Resources, Ministry of Education P.R of China, College of Grassland, Resources and Environment, Inner Mongolia Agricultural University, Hohhot, China
- Baotou Medical College, Baotou, China
| | - Wei Jiao
- College of Mechanical and Electrical Engineering, Inner Mongolia Agricultural University, Hohhot, China
- Institute of Grassland Research, Chinese Academy of Agricultural Sciences, Hohhot, China
| | - Lan Yun
- Key Laboratory of Grassland Resources, Ministry of Education P.R of China, College of Grassland, Resources and Environment, Inner Mongolia Agricultural University, Hohhot, China
| | - Zhiqiang Zhang
- Key Laboratory of Grassland Resources, Ministry of Education P.R of China, College of Grassland, Resources and Environment, Inner Mongolia Agricultural University, Hohhot, China
| | - Xiujuan Zhang
- Inner Mongolia Key Laboratory of Molecular Biology on Featured Plants, Hohhot, China
| | - Quanzhen Wang
- College of Grassland Agriculture, Northwest A&F University, Yangling, China
| | - Ying Li
- Key Laboratory of Grassland Resources, Ministry of Education P.R of China, College of Grassland, Resources and Environment, Inner Mongolia Agricultural University, Hohhot, China
| | - Fugui Mi
- Key Laboratory of Grassland Resources, Ministry of Education P.R of China, College of Grassland, Resources and Environment, Inner Mongolia Agricultural University, Hohhot, China
- *Correspondence: Fugui Mi,
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Adamipour N, Khosh-Khui M, Salehi H, Razi H, Karami A, Moghadam A. Metabolic and genes expression analyses involved in proline metabolism of two rose species under drought stress. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 155:105-113. [PMID: 32745929 DOI: 10.1016/j.plaphy.2020.07.028] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 07/13/2020] [Accepted: 07/13/2020] [Indexed: 05/25/2023]
Abstract
An investigation was conducted to assess proline anabolism and catabolism pathway genes under drought stress. Treatments were irrigation in three levels (25, 50 and 100% field capacity) at 1, 3, 6 and 12 d and two rose species (Rosa canina L. and Rosa damascene Mill.). The results showed that the potential for proline accumulation in R. damascena was higher than R. canina under drought. Simultaneous with proline accumulation, expression of P5CS and P5CR genes increased from 1 to 12 d under 50% FC whereas their expression had an increasing trends from 1 to 6 d at 25% FC and expression of both genes decreased at 12 d in both species. The highest accumulation of proline was observed under 25% FC at 12 d, but expression of genes involved in proline synthesis main pathway decreased on this day. Furthermore, expression of genes (PDH and P5CDH) involved in proline catabolism pathway decreased in 50% FC from 1 to 12 d while their expression remarkably decreased from 1 to 6 d and increased at 12 d under 25% FC. These findings showed that under conditions of 50 and 25% FC, arginine accumulation resulted in the increased expression of the ARG gene, which led to ornithine production. Furthermore, ornithine accumulation increased OAT expression. Therefore, it seems that OAT-induced P5C is transported from the mitochondria to the cytosol and reduced to proline by the P5CR.
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Affiliation(s)
- Nader Adamipour
- Department of Horticulture Science, College of Agriculture, University of Shiraz, Shiraz, Iran.
| | - Morteza Khosh-Khui
- Department of Horticulture Science, College of Agriculture, University of Shiraz, Shiraz, Iran.
| | - Hassan Salehi
- Department of Horticulture Science, College of Agriculture, University of Shiraz, Shiraz, Iran.
| | - Hooman Razi
- Department of Crop Production and Plant Breeding, College of Agriculture, Shiraz University, Shiraz, Iran.
| | - Akbar Karami
- Department of Horticulture Science, College of Agriculture, University of Shiraz, Shiraz, Iran.
| | - Ali Moghadam
- Institute of Biotechnology, College of Agriculture, Shiraz University, Shiraz, Iran.
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Millar AA. The Function of miRNAs in Plants. PLANTS 2020; 9:plants9020198. [PMID: 32033453 PMCID: PMC7076417 DOI: 10.3390/plants9020198] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 01/20/2020] [Indexed: 01/08/2023]
Abstract
MicroRNAs (miRNAs) are a class of small RNAs (sRNAs) that repress gene expression via high complementary binding sites in target mRNAs (messenger RNAs). Many miRNAs are ancient, and their intricate integration into gene expression programs have been fundamental for plant life, controlling developmental programs and executing responses to biotic/abiotic cues. Additionally, there are many less conserved miRNAs in each plant species, raising the possibility that the functional impact of miRNAs extends into virtually every aspect of plant biology. This Special Issue of Plants presents papers that investigate the function and mechanism of miRNAs in controlling development and abiotic stress response. This includes how miRNAs adapt plants to nutrient availability, and the silencing machinery that is responsible for this. Several papers profile changes in miRNA abundances during stress, and another study raises the possibility of circular RNAs acting as endogenous decoys to sequester and inhibit plant miRNA function. These papers act as foundational studies for the more difficult task ahead of determining the functional significance of these changes to miRNA abundances, or the presence of these circular RNAs. Finally, how miRNAs trigger the production of secondary sRNAs is reviewed, along with the potential agricultural impact of miRNAs and these secondary sRNA in the exemplar crop maize.
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Affiliation(s)
- Anthony A Millar
- Division of Plant Science, Research School of Biology, The Australian National University, Canberra, ACT 2601, Australia
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