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CIA2 and CIA2‐LIKE are required for optimal photosynthesis and stress responses in Arabidopsis thaliana by GawroÅski, Piotr; Burdiak, PaweÅ; Scharff, Lars B.; Mielecki, Jakub; Górecka, Magdalena; Zaborowska, Magdalena; Leister, Dario; Waszczak, Cezary; KarpiÅski, StanisÅaw is a Agricultural and Biological Sciences article available to read on EtoBox.
What is CIA2 and CIA2‐LIKE are required for optimal photosynthesis and stress responses in Arabidopsis thaliana about?
Chloroplast-to-nucleus retrograde signaling is essential for cell function, acclimation to fluctuating environmental conditions, plant growth and development. The vast majority of chloroplast proteins are nuclear-encoded, and must be imported into the organelle after synthesis in the cytoplasm. This import is essential for the development of fully functional chloroplasts. On the other hand, functional chloroplasts act as sensors of environmental changes and can trigger acclimatory responses that influence nuclear gene expression. Signaling via mobile transcription factors (TFs) has been recently recognized as a way of communication between organelles and the nucleus. In this study, we performed a targeted reverse genetic screen to identify dual-localized TFs involved in chloroplast retrograde signaling during stress responses. We found that CHLOROPLAST IMPORT APPARATUS 2 (CIA2) has a functional plastid transit peptide, and can be located both in chloroplasts and the nucleus. Further, we found that CIA2, along with its homolog CIA2-like (CIL) are involved in the regulation of Arabidopsis responses to UV-AB, high light and heat shock. Finally, our results suggest that both CIA2 and C
Who reads CIA2 and CIA2‐LIKE are required for optimal photosynthesis and stress responses in Arabidopsis thaliana?
It is typically read by researchers, students, and practitioners in Agricultural and Biological Sciences.
- Author
- GawroÅski, Piotr; Burdiak, PaweÅ; Scharff, Lars B.; Mielecki, Jakub; Górecka, Magdalena; Zaborowska, Magdalena; Leister, Dario; Waszczak, Cezary; KarpiÅski, StanisÅaw
- Publisher
- John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 0960-7412)
- Published
- 2020
- Language
- EN
- Field
- Agricultural and Biological Sciences (Life Sciences)