Proteomics

Dataset Information

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O-Fucosylation of CPN20 by SPINDLY Derepresses Abscisic Acid Signaling during Seed Germination and Seedling Development--Partial Submission


ABSTRACT: We utilized ETD (Electron Transfer Dissociation)-MS/MS analysis to identify O-fucosylation sites in ectopically expressed CPN20 in mammalian cells and Arabidopsis.

INSTRUMENT(S): LTQ Orbitrap Elite

ORGANISM(S): Arabidopsis Thaliana (mouse-ear Cress)

SUBMITTER: Wen Zhou  

LAB HEAD: Wen Zhou

PROVIDER: PXD027272 | Pride | 2022-02-17

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
17-030_LL0209_1.dat Other
17-030_LL0209_1.mgf Mgf
17-030_LL0209_1.mzid Mzid
17-030_LL0209_1_.raw Raw
17-221_LL0704_3.dat Other
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Publications

<i>O-</i>fucosylation of CPN20 by SPINDLY Derepresses Abscisic Acid Signaling During Seed Germination and Seedling Development.

Liang Lin L   Wang Qi Q   Song Zihao Z   Wu Yaxin Y   Liang Qing Q   Wang Qingsong Q   Yang Jinli J   Bi Ying Y   Zhou Wen W   Fan Liu-Min LM  

Frontiers in plant science 20211012


<i>SPINDLY</i> is involved in some aspects of plant development. However, the nature of this protein as an <i>O</i>-fucosyltransferase was recently discovered. In this study, we show that <i>SPINDLY</i> (SPY) interacts with CPN20 in yeast two-hybrid and split-luc assays, and the interaction is promoted by ABA. CPN20 is a chloroplast-localized co-chaperonin that negatively regulates ABAR-mediated ABA signaling. By using Electron Transfer Dissociation-MS/MS analysis, two <i>O</i>-fucosylation site  ...[more]

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