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Lee HS, Choi I, Jeon Y, Ahn HK, Cho H, Kim J, Kim JH, Lee JM, Lee S, Bünting J, Seo DH, Lee T, Lee DH, Lee I, Oh MH, Kim TW, Belkhadir Y, Pai HS. Chaperone-like protein DAY plays critical roles in photomorphogenesis. Nat Commun 2021; 12:4194. [PMID: 34234144 PMCID: PMC8263706 DOI: 10.1038/s41467-021-24446-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 06/16/2021] [Indexed: 11/08/2022] Open
Abstract
Photomorphogenesis, light-mediated development, is an essential feature of all terrestrial plants. While chloroplast development and brassinosteroid (BR) signaling are known players in photomorphogenesis, proteins that regulate both pathways have yet to be identified. Here we report that DE-ETIOLATION IN THE DARK AND YELLOWING IN THE LIGHT (DAY), a membrane protein containing DnaJ-like domain, plays a dual-role in photomorphogenesis by stabilizing the BR receptor, BRI1, as well as a key enzyme in chlorophyll biosynthesis, POR. DAY localizes to both the endomembrane and chloroplasts via its first transmembrane domain and chloroplast transit peptide, respectively, and interacts with BRI1 and POR in their respective subcellular compartments. Using genetic analysis, we show that DAY acts independently on BR signaling and chlorophyll biogenesis. Collectively, this work uncovers DAY as a factor that simultaneously regulates BR signaling and chloroplast development, revealing a key regulator of photomorphogenesis that acts across cell compartments.
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Affiliation(s)
- Ho-Seok Lee
- Gregor Mendel Institute (GMI), Austrian Academy of Sciences, Vienna BioCenter (VBC), Vienna, Austria
- Department of Systems biology, Yonsei University, Seoul, South Korea
| | - Ilyeong Choi
- Department of Systems biology, Yonsei University, Seoul, South Korea
| | - Young Jeon
- Department of Systems biology, Yonsei University, Seoul, South Korea
| | - Hee-Kyung Ahn
- The Sainsbury Laboratory, University of East Anglia, Norwich, UK
| | - Huikyong Cho
- BPMP, University of Montpellier, CNRS, INRAE, Montpellier SupAgro, Montpellier, France
| | - JiWoo Kim
- Gregor Mendel Institute (GMI), Austrian Academy of Sciences, Vienna BioCenter (VBC), Vienna, Austria
| | - Jae-Hee Kim
- Gregor Mendel Institute (GMI), Austrian Academy of Sciences, Vienna BioCenter (VBC), Vienna, Austria
| | - Jung-Min Lee
- Gregor Mendel Institute (GMI), Austrian Academy of Sciences, Vienna BioCenter (VBC), Vienna, Austria
| | - SungHee Lee
- Gregor Mendel Institute (GMI), Austrian Academy of Sciences, Vienna BioCenter (VBC), Vienna, Austria
| | - Julian Bünting
- Gregor Mendel Institute (GMI), Austrian Academy of Sciences, Vienna BioCenter (VBC), Vienna, Austria
| | - Dong Hye Seo
- Department of Systems biology, Yonsei University, Seoul, South Korea
| | - Tak Lee
- Sainsbury Laboratory, University of Cambridge, Cambridge, UK
| | - Du-Hwa Lee
- Gregor Mendel Institute (GMI), Austrian Academy of Sciences, Vienna BioCenter (VBC), Vienna, Austria
| | - Insuk Lee
- Department of Biotechnology, College of Life Sciences and Biotechnology, Yonsei University, Seoul, South Korea
| | - Man-Ho Oh
- Plant Developmental Genetics, Department of Biological Science, College of Biological Sciences and Biotechnology, Chungnam National University, Daejeon, South Korea
| | - Tae-Wuk Kim
- Department of Life Science, Hanyang University, Seoul, South Korea
| | - Youssef Belkhadir
- Gregor Mendel Institute (GMI), Austrian Academy of Sciences, Vienna BioCenter (VBC), Vienna, Austria.
| | - Hyun-Sook Pai
- Department of Systems biology, Yonsei University, Seoul, South Korea.
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