Phytochrome B photobodies are comprised of phytochrome B and its primary and secondary interacting proteins.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
27 03 2023
27 03 2023
Historique:
received:
31
08
2022
accepted:
16
03
2023
medline:
29
3
2023
entrez:
27
3
2023
pubmed:
28
3
2023
Statut:
epublish
Résumé
Phytochrome B (phyB) is a plant photoreceptor that forms a membraneless organelle called a photobody. However, its constituents are not fully known. Here, we isolated phyB photobodies from Arabidopsis leaves using fluorescence-activated particle sorting and analyzed their components. We found that a photobody comprises ~1,500 phyB dimers along with other proteins that could be classified into two groups: The first includes proteins that directly interact with phyB and localize to the photobody when expressed in protoplasts, while the second includes proteins that interact with the first group proteins and require co-expression of a first-group protein to localize to the photobody. As an example of the second group, TOPLESS interacts with PHOTOPERIODIC CONTROL OF HYPOCOTYL 1 (PCH1) and localizes to the photobody when co-expressed with PCH1. Together, our results support that phyB photobodies include not only phyB and its primary interacting proteins but also its secondary interacting proteins.
Identifiants
pubmed: 36973259
doi: 10.1038/s41467-023-37421-z
pii: 10.1038/s41467-023-37421-z
pmc: PMC10042835
doi:
Substances chimiques
Phytochrome B
136250-22-1
Arabidopsis Proteins
0
Phytochrome
11121-56-5
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
1708Informations de copyright
© 2023. The Author(s).
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