Object's details: SNF1-Related Protein Kinases SnRK2.4 and SnRK2.10 Modulate ROS Homeostasis in Plant Response to Salt Stress

Provider:Repozytorium Instytutu Biochemii i Biofizyki Polskiej Akademii Nauk

Description

Title:
SNF1-Related Protein Kinases SnRK2.4 and SnRK2.10 Modulate ROS Homeostasis in Plant Response to Salt Stress
Creator:
Szymańska, K;
Polkowska-Kowalczyk, Lidia;
Lichocka, Małgorzata;
Maszkowska, Justyna;
Dobrowolska, Grażyna
Description:
In response to salinity and various other environmental stresses, plants accumulate reactive oxygen species (ROS). The ROS produced at very early stages of the stress response act as signaling molecules activating defense mechanisms, whereas those produced at later stages in an uncontrolled way are detrimental to plant cells by damaging lipids, DNA, and proteins. Multiple systems are involved in ROS generation and also in ROS scavenging. Their level and activity are tightly controlled to ensure ROS homeostasis and protect the plant against the negative effects of the environment. The signaling pathways responsible for maintaining ROS homeostasis in abiotic stress conditions remain largely unknown. Here, we show that in Arabidopsis thaliana, two abscisic acid- (ABA)-non-activated SNF1-releted protein kinases 2 (SnRK2) kinases, SnRK2.4 and SnRK2.10, are involved in the regulation of ROS homeostasis in response to salinity. They regulate the expression of several genes responsible for ROS generation at early stages of the stress response as well as those responsible for their removal. Moreover, the SnRK2.4 regulate catalase levels and its activity and the level of ascorbate in seedlings exposed to salt stress.
Object availability:
free access
Date:
2019.01.02
Type:
Article;
PeerReviewed
Language:
English
Format:
application/pdf
Publisher:
MDPI
Relation: http://eprints.ibb.waw.pl/1683 ;https://www.mdpi.com/1422-0067/20/1/143 ;doi:10.3390/ijms20010143
Subject:
QH301 Biology
Identifier: http://eprints.ibb.waw.pl/1683/1/ijms-20-00143-v2.pdf ;
Szymańska, K and Polkowska-Kowalczyk, Lidia and Lichocka, Małgorzata and Maszkowska, Justyna and Dobrowolska, Grażyna (2019) SNF1-Related Protein Kinases SnRK2.4 and SnRK2.10 Modulate ROS Homeostasis in Plant Response to Salt Stress. International Journal of Molecular Sciences, 20 (1). pp. 1-24. ISSN 1422-0067
Data provider:
Repozytorium Instytutu Biochemii i Biofizyki Polskiej Akademii Nauk

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Object's details: SNF1-Related Protein Kinases SnRK2.4 and SnRK2.10 Modulate ROS Homeostasis in Plant Response to Salt Stress

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