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  FORGETTER2 protein phosphatase and phospholipase D modulate heat stress memory in Arabidopsis

Urrea Castellanos, R., Friedrich, T., Petrovic, N., Altmann, S., Brzezinka, K., Gorka, M., et al. (2020). FORGETTER2 protein phosphatase and phospholipase D modulate heat stress memory in Arabidopsis. The Plant Journal, 104(1), 7-17. doi:10.1111/tpj.14927.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0007-5A92-F Version Permalink: http://hdl.handle.net/21.11116/0000-0007-5A93-E
Genre: Journal Article

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 Creators:
Urrea Castellanos, Reynel1, Author
Friedrich, Thomas1, Author
Petrovic, Nevena1, Author
Altmann, Simone1, Author
Brzezinka, Krzysztof1, Author
Gorka, M.2, Author              
Graf, A.2, Author              
Bäurle, Isabel1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Plant Proteomics, Department Stitt, Max Planck Institute of Molecular Plant Physiology, Max Planck Society, ou_1950285              

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Free keywords: priming, protein phosphatase, stress memory, heat stress, Arabidopsis thaliana
 Abstract: Summary Plants can mitigate environmental stress conditions through acclimation. In the case of fluctuating stress conditions such as high temperatures, maintaining a stress memory enables a more efficient response upon recurring stress. In a genetic screen for Arabidopsis thaliana mutants impaired in the memory of heat stress (HS) we have isolated the FORGETTER2 (FGT2) gene which encodes a type 2C protein phosphatase (PP2C) of the D-clade. Mutants in fgt2 acquire thermotolerance normally; however, they are defective in the memory of HS. FGT2 interacts with phospholipase Dα2 (PLDα2), which is involved in metabolizing membrane phospholipids, and PLDα2 is also required for HS memory. In summary, we uncover a previously unknown component of HS memory and identify the FGT2 protein phosphatase and PLDα2 as crucial players, suggesting that phosphatidic acid-dependent signaling or membrane composition dynamics underlie HS memory.

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Language(s): eng - English
 Dates: 2020
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1111/tpj.14927
BibTex Citekey: doi:10.1111/tpj.14927
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Title: The Plant Journal
  Other : Plant J.
Source Genre: Journal
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Publ. Info: Oxford : Blackwell Science
Pages: - Volume / Issue: 104 (1) Sequence Number: - Start / End Page: 7 - 17 Identifier: ISSN: 0960-7412
CoNE: https://pure.mpg.de/cone/journals/resource/954925579095_1