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Chaperone-like protein DAY plays critical roles in photomorphogenesis

Author

Listed:
  • Ho-Seok Lee

    (Vienna BioCenter (VBC)
    Yonsei University)

  • Ilyeong Choi

    (Yonsei University)

  • Young Jeon

    (Yonsei University)

  • Hee-Kyung Ahn

    (University of East Anglia)

  • Huikyong Cho

    (Montpellier SupAgro)

  • JiWoo Kim

    (Vienna BioCenter (VBC))

  • Jae-Hee Kim

    (Vienna BioCenter (VBC))

  • Jung-Min Lee

    (Vienna BioCenter (VBC))

  • SungHee Lee

    (Vienna BioCenter (VBC))

  • Julian Bünting

    (Vienna BioCenter (VBC))

  • Dong Hye Seo

    (Yonsei University)

  • Tak Lee

    (University of Cambridge)

  • Du-Hwa Lee

    (Vienna BioCenter (VBC))

  • Insuk Lee

    (Yonsei University)

  • Man-Ho Oh

    (Chungnam National University)

  • Tae-Wuk Kim

    (Hanyang University)

  • Youssef Belkhadir

    (Vienna BioCenter (VBC))

  • Hyun-Sook Pai

    (Yonsei University)

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.

Suggested Citation

  • Ho-Seok Lee & Ilyeong Choi & Young Jeon & Hee-Kyung Ahn & Huikyong Cho & JiWoo Kim & Jae-Hee Kim & Jung-Min Lee & SungHee Lee & Julian Bünting & Dong Hye Seo & Tak Lee & Du-Hwa Lee & Insuk Lee & Man-H, 2021. "Chaperone-like protein DAY plays critical roles in photomorphogenesis," Nature Communications, Nature, vol. 12(1), pages 1-13, December.
  • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-24446-5
    DOI: 10.1038/s41467-021-24446-5
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    Cited by:

    1. Muhammad Irfan Siddique & Koeun Han & Jieun Lee & Eun Su Lee & Ye-Rin Lee & Hye-Eun Lee & Sun Yi Lee & Do-Sun Kim, 2021. "QTL Analysis for Chlorophyll Content in Strawberry ( Fragaria × ananassa Duch.) Leaves," Agriculture, MDPI, vol. 11(11), pages 1-12, November.

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