PXD056788-1

PXD056788 is an original dataset announced via ProteomeXchange.

Title	Plant Lipids Mediate Immune Responses to Fungal Lipids in Barley
Description	Lipids play crucial roles in plant-microbe interactions, functioning as structural components, signaling molecules, and microbe-associated molecular patterns (MAMPs); however, the mechanisms underlying lipid perception and signaling pathways in plants remain largely unknown. This study investigates the immune responses triggered in Hordeum vulgare (barley) by lipid extracts from the root endophytic fungus Serendipita indica. We compare these responses to those elicited by the carbohydrate MAMP chitohexaose and the fungal sterol lipid ergosterol, a 5,7-diene oxysterol recognized as a MAMP in plants. Our results demonstrate that S. indica lipid extract induces hallmarks of pattern-triggered immunity (PTI) in barley. Ergosterol was identified as the main immunogenic component and was detected in the apoplastic fluid of S. indica-colonized barley roots. Using a multi-omics approach combining transcriptomics, phosphoproteomics, and metabolomics, our data provide evidence for the activation of phosphatidylinositol phosphate (PIP) signaling and diterpene biosynthesis upon exposure to fungal lipids. Furthermore, we show that phosphatidic acid (PA) enhances lipid-mediated apoplastic reactive oxygen species (ROS) production in barley. These findings indicate that plant lipids mediate immune responses to fungal lipids in barley, advancing our understanding of lipid perception and signaling in plant-microbe interactions.
HostingRepository	PRIDE
AnnounceDate	2025-01-31
AnnouncementXML	Submission_2025-01-31_01:29:00.279.xml
DigitalObjectIdentifier
ReviewLevel	Peer-reviewed dataset
DatasetOrigin	Original dataset
RepositorySupport	Unsupported dataset by repository
PrimarySubmitter	Sara Christina Stolze
SpeciesList	scientific name: Arabidopsis thaliana (Mouse-ear cress); NCBI TaxID: 3702;
ModificationList	phosphorylated residue
Instrument	Orbitrap Exploris 480

Revision	Datetime	Status	ChangeLog Entry
0	2024-10-14 08:18:10	ID requested
⏵ 1	2025-01-31 01:29:00	announced

Dataset with its publication pending

submitter keyword: pattern-triggered immunity,Serendipita indica, Ergosterol, phosphatidylinositol phosphate, phosphatidic acid, lipid signaling

Hirofumi Nakagami
contact affiliation	Basic Immune System of Plants / Protein Mass Spectrometry Max Planck Institute for Plant Breeding Research Carl-von-Linne-Weg 10, 50829 Cologne, Germany
contact email	nakagami@mpipz.mpg.de
lab head
Sara Christina Stolze
contact affiliation	Plant Proteomics and Mass Spectrometry Group Max Planck Institute for Plant Breeding Research Carl-von-Linné Weg 10 50829 Cologne
contact email	stolze@mpipz.mpg.de
dataset submitter

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PRIDE project URI

• PRIDE
  1. PXD056788
     1. Label: PRIDE project
     2. Name: Plant Lipids Mediate Immune Responses to Fungal Lipids in Barley