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Sujeeth N, Mehterov N, Gupta S, Qureshi MK, Fischer A, Proost S, Omidbakhshfard MA, Obata T, Benina M, Staykov N, Balazadeh S, Walther D, Fernie AR, Mueller-Roeber B, Hille J, Gechev TS. A novel seed plants gene regulates oxidative stress tolerance in Arabidopsis thaliana. Cell Mol Life Sci 2020; 77:705-718. [PMID: 31250033 PMCID: PMC7040063 DOI: 10.1007/s00018-019-03202-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2018] [Revised: 05/27/2019] [Accepted: 06/19/2019] [Indexed: 11/30/2022]
Abstract
Oxidative stress can lead to plant growth retardation, yield loss, and death. The atr7 mutant of Arabidopsis thaliana exhibits pronounced tolerance to oxidative stress. Using positional cloning, confirmed by knockout and RNA interference (RNAi) lines, we identified the atr7 mutation and revealed that ATR7 is a previously uncharacterized gene with orthologs in other seed plants but with no homology to genes in lower plants, fungi or animals. Expression of ATR7-GFP fusion shows that ATR7 is a nuclear-localized protein. RNA-seq analysis reveals that transcript levels of genes encoding abiotic- and oxidative stress-related transcription factors (DREB19, HSFA2, ZAT10), chromatin remodelers (CHR34), and unknown or uncharacterized proteins (AT5G59390, AT1G30170, AT1G21520) are elevated in atr7. This indicates that atr7 is primed for an upcoming oxidative stress via pathways involving genes of unknown functions. Collectively, the data reveal ATR7 as a novel seed plants-specific nuclear regulator of oxidative stress response.
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Affiliation(s)
- Neerakkal Sujeeth
- BioAtlantis Ltd, Clash Industrial Estate, Tralee, Co. Kerry, V92 RWV5, Ireland
| | - Nikolay Mehterov
- Center of Plant Systems Biology and Biotechnology, 139 Ruski Blvd, 4000, Plovdiv, Bulgaria
| | - Saurabh Gupta
- Institute of Biochemistry and Biology, University of Potsdam, Karl Liebknecht Str., 24-25, 14476, Potsdam-Golm, Germany
| | - Muhammad K Qureshi
- Department of Plant Breeding & Genetics, Faculty of Agricultural Sciences & Technology, Bahauddin Zakariya University, Bosan Road, Multan, 60800, Punjab, Pakistan
| | - Axel Fischer
- Max Planck Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476, Potsdam-Golm, Germany
| | - Sebastian Proost
- Max Planck Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476, Potsdam-Golm, Germany
| | - M Amin Omidbakhshfard
- Max Planck Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476, Potsdam-Golm, Germany
| | - Toshihiro Obata
- Max Planck Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476, Potsdam-Golm, Germany
| | - Maria Benina
- Center of Plant Systems Biology and Biotechnology, 139 Ruski Blvd, 4000, Plovdiv, Bulgaria
| | - Nikola Staykov
- Center of Plant Systems Biology and Biotechnology, 139 Ruski Blvd, 4000, Plovdiv, Bulgaria
| | - Salma Balazadeh
- Max Planck Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476, Potsdam-Golm, Germany
| | - Dirk Walther
- Max Planck Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476, Potsdam-Golm, Germany
| | - Alisdair R Fernie
- Center of Plant Systems Biology and Biotechnology, 139 Ruski Blvd, 4000, Plovdiv, Bulgaria
- Max Planck Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476, Potsdam-Golm, Germany
| | - Bernd Mueller-Roeber
- Center of Plant Systems Biology and Biotechnology, 139 Ruski Blvd, 4000, Plovdiv, Bulgaria
- Institute of Biochemistry and Biology, University of Potsdam, Karl Liebknecht Str., 24-25, 14476, Potsdam-Golm, Germany
- Max Planck Institute of Molecular Plant Physiology, Am Mühlenberg 1, 14476, Potsdam-Golm, Germany
| | - Jacques Hille
- Department of Molecular Pharmacology, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - Tsanko S Gechev
- Center of Plant Systems Biology and Biotechnology, 139 Ruski Blvd, 4000, Plovdiv, Bulgaria.
- Department of Plant Physiology and Molecular Biology, University of Plovdiv, 24 Tsar Assen Str, 4000, Plovdiv, Bulgaria.
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Shehzad M, Hussain SB, Qureshi MK, Akbar M, Javed M, Imran HM, Manzoor SA. Diallel cross analysis of plesiomorphic traits in Triticum aestivum L. genotypes. Genet Mol Res 2015; 14:13485-95. [PMID: 26535662 DOI: 10.4238/2015.october.28.9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
We conducted a 5 x 5 complete diallel cross experiment in bread wheat (Triticum aestivum) with the genotypes 6309, Chkwal-50, Dhrabi, Bhkhar-02, and FS-08. Our objective was to evaluate the type of gene action and the general and specific combining abilities required for various morphological traits in wheat. The results of analysis of variance revealed highly significant differences among genotypes for all the investigated traits. The results of joint regression analysis showed that the data for all the investigated traits fitted a simple additive dominance model. Graphical representation of variance and covariance suggested that most of the investigated traits were controlled by overdominance gene action. However, the peduncle length and plant height were controlled by additive gene action. Variety 6309 carried the highest number of dominant genes for the number of spikelets per spike, number of tillers per plant, plant height, number of fertile tillers per plant, and grain yield per plant. Chakwal-50 carried the highest number of recessive genes for grain yield per plant, number of tillers per plant, number of grains per spike, number of fertile tillers per plant, and plant height. Chakwal-50 and 6309 were the best general combiners for number of spikelets per spike, number of grains per spike, grain yield per plant, 1000-grain weight, number of fertile tillers per plant, and number of tillers per plant. On other hand, 6309 performed well in specific crosses with Chakwal-50, FS-08, and Bhakhar-02 for spike length and number of tillers per plant.
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Affiliation(s)
- M Shehzad
- Department of Plant Breeding and Genetics, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Punjab, Pakistan
| | - S B Hussain
- Department of Plant Breeding and Genetics, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Punjab, Pakistan
| | - M K Qureshi
- Department of Plant Breeding and Genetics, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Punjab, Pakistan
| | - M Akbar
- Department of Plant Breeding and Genetics, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Punjab, Pakistan
| | - M Javed
- Department of Plant Breeding and Genetics, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Punjab, Pakistan
| | - H M Imran
- Department of Plant Breeding and Genetics, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Punjab, Pakistan
| | - S A Manzoor
- Department of Forestry and Range Management, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Punjab, Pakistan
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