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  A novel seed plants gene regulates oxidative stress tolerance in Arabidopsis thaliana

Sujeeth, N., Mehterov, N., Gupta, S., Qureshi, M. K., Fischer, A., Proost, S., et al. (2020). A novel seed plants gene regulates oxidative stress tolerance in Arabidopsis thaliana. Cellular and Molecular Life Sciences, 77, 705-718. doi:10.1007/s00018-019-03202-5.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0005-3EEF-A Version Permalink: http://hdl.handle.net/21.11116/0000-0005-C04A-F
Genre: Journal Article

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Sujeeth, Neerakkal1, Author
Mehterov, Nikolay1, Author
Gupta, Saurabh1, Author
Qureshi, Muhammad K.1, Author
Fischer, A.2, Author              
Proost, Sebastian3, Author              
Omidbakhshfard, M. A.4, Author              
Obata, T.4, Author              
Benina, Maria1, Author
Staykov, Nikola1, Author
Balazadeh, S.5, Author              
Walther, D.2, Author              
Fernie, A. R.4, Author              
Mueller-Roeber, B.6, Author              
Hille, Jacques1, Author
Gechev, Tsanko S.1, Author
Affiliations:
1External Organizations, ou_persistent22              
2BioinformaticsCIG, Infrastructure Groups and Service Units, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753303              
3BioinformaticsCRG, Cooperative Research Groups, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753315              
4Central Metabolism, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753339              
5Stress Control Networks, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_2435691              
6Transcription Factors and Gene Regulatory Networks, Cooperative Research Groups, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1753316              

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 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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Language(s): eng - English
 Dates: 2019-062020
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1007/s00018-019-03202-5
BibTex Citekey: Sujeeth2019
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Title: Cellular and Molecular Life Sciences
Source Genre: Journal
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Publ. Info: Basel : Birkhaeuser Verlag
Pages: - Volume / Issue: 77 Sequence Number: - Start / End Page: 705 - 718 Identifier: ISSN: 1420-682X
CoNE: https://pure.mpg.de/cone/journals/resource/954926942730