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Autophagy in Plant Abiotic Stress Management
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Control of ABA Signaling and Crosstalk with Other Hormones by the Selective Degradation of Pathway Components

Laboratory of Plant Protein Homeostasis, Institute of Biochemistry and Biophysics, Polish Academy of Sciences, ul. Pawinskiego 5A, 02-106 Warsaw, Poland
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Academic Editor: Sławomir Borek
Int. J. Mol. Sci. 2021, 22(9), 4638; https://doi.org/10.3390/ijms22094638
Received: 8 April 2021 / Revised: 25 April 2021 / Accepted: 26 April 2021 / Published: 28 April 2021
(This article belongs to the Special Issue New Insight into Signaling and Autophagy in Plants 2.0)
A rapid and appropriate genetic and metabolic acclimation, which is crucial for plants’ survival in a changing environment, is maintained due to the coordinated action of plant hormones and cellular degradation mechanisms influencing proteostasis. The plant hormone abscisic acid (ABA) rapidly accumulates in plants in response to environmental stress and plays a pivotal role in the reaction to various stimuli. Increasing evidence demonstrates a significant role of autophagy in controlling ABA signaling. This field has been extensively investigated and new discoveries are constantly being provided. We present updated information on the components of the ABA signaling pathway, particularly on transcription factors modified by different E3 ligases. Then, we focus on the role of selective autophagy in ABA pathway control and review novel evidence on the involvement of autophagy in different parts of the ABA signaling pathway that are important for crosstalk with other hormones, particularly cytokinins and brassinosteroids. View Full-Text
Keywords: abscisic acid; autophagy; brassinosteroids; cytokinins; hormone crosstalk; ubiquitin abscisic acid; autophagy; brassinosteroids; cytokinins; hormone crosstalk; ubiquitin
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MDPI and ACS Style

Sirko, A.; Wawrzyńska, A.; Brzywczy, J.; Sieńko, M. Control of ABA Signaling and Crosstalk with Other Hormones by the Selective Degradation of Pathway Components. Int. J. Mol. Sci. 2021, 22, 4638. https://doi.org/10.3390/ijms22094638

AMA Style

Sirko A, Wawrzyńska A, Brzywczy J, Sieńko M. Control of ABA Signaling and Crosstalk with Other Hormones by the Selective Degradation of Pathway Components. International Journal of Molecular Sciences. 2021; 22(9):4638. https://doi.org/10.3390/ijms22094638

Chicago/Turabian Style

Sirko, Agnieszka; Wawrzyńska, Anna; Brzywczy, Jerzy; Sieńko, Marzena. 2021. "Control of ABA Signaling and Crosstalk with Other Hormones by the Selective Degradation of Pathway Components" Int. J. Mol. Sci. 22, no. 9: 4638. https://doi.org/10.3390/ijms22094638

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