PXD062036-1

PXD062036 is an original dataset announced via ProteomeXchange.

Title	PHYB and PRR9 comprises a tandem thermosensitive switch in Arabidopsis
Description	The ability of natural plants to withstand extremely high temperature is hampered by two main issues: temperature perception and adaptation. Circadian components involved in temperature compensation (TC) may help plants adjust to high temperature environments. Here, we report that PRR9 is evolved as a circadian regulator for high temperature adaptation. Moreover, temperature-regulated interaction compartment between phyB and PRR9 can form a thermally sensitive tandem switch to perceive and transduce a wider range of temperature change. We further revealed that PRR9 recruit m6A demethylase ALKBH9B in cytoplasmic speckles to regulate mRNA metabolism to maintain stable circadian rhythmicity at elevated temperature, which stands for a non-canonical function of PRR9. Our findings showed that plants have intricate temperature sensing mechanisms for adaptation to climate change in surroundings by fully utilize the interaction between photoreceptor and circadian clock.
HostingRepository	PRIDE
AnnounceDate	2026-07-11
AnnouncementXML	Submission_2026-07-10_21:34:28.380.xml
DigitalObjectIdentifier
ReviewLevel	Peer-reviewed dataset
DatasetOrigin	Original dataset
RepositorySupport	Unsupported dataset by repository
PrimarySubmitter	He yuqing
SpeciesList	scientific name: Arabidopsis thaliana (Mouse-ear cress); NCBI TaxID: NEWT:3702;
ModificationList	phosphorylated residue; acetylated residue; monohydroxylated residue; iodoacetamide derivatized residue
Instrument	Orbitrap Fusion Lumos

Revision	Datetime	Status	ChangeLog Entry
0	2025-03-19 08:37:42	ID requested
⏵ 1	2026-07-10 21:34:28	announced

Dataset with its publication pending

submitter keyword: PRR9, phyB, m6A,temperature compensation, thermal adaptation

Lei Wang
contact affiliation	Key laboratory of Plant Molecular Physiology, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China
contact email	wanglei@ibcas.ac.cn
lab head
He yuqing
contact affiliation	Insititute of botany, the Chinese academy of science
contact email	heyuqing@ibcas.ac.cn
dataset submitter

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PRIDE project URI

• PRIDE
  1. PXD062036
     1. Label: PRIDE project
     2. Name: PHYB and PRR9 comprises a tandem thermosensitive switch in Arabidopsis