Vijayakumar, Vinod ORCID: 0000-0002-4923-5551, Liebisch, Gerhard ORCID: 0000-0003-4886-0811, Buer, Benjamin, Xue, Li, Gerlach, Nina, Blau, Samira, Schmitz, Jessica and Bucher, Marcel (2016). Integrated multi-omics analysis supports role of lysophosphatidylcholine and related glycerophospholipids in the Lotus japonicus-Glomus intraradices mycorrhizal symbiosis. Plant Cell Environ., 39 (2). S. 393 - 416. HOBOKEN: WILEY. ISSN 1365-3040

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Abstract

Interaction of plant roots with arbuscular mycorrhizal fungi (AMF) is a complex trait resulting in cooperative interactions among the two symbionts including bidirectional exchange of resources. To study arbuscular mycorrhizal symbiosis (AMS) trait variation in the model plant Lotus japonicus, we performed an integrated multi-omics analysis with a focus on plant and fungal phospholipid (PL) metabolism and biological significance of lysophosphatidylcholine (LPC). Our results support the role of LPC as a bioactive compound eliciting cellular and molecular response mechanisms in Lotus. Evidence is provided for large interspecific chemical diversity of LPC species among mycorrhizae with related AMF species. Lipid, gene expression and elemental profiling emphasize the Lotus-Glomus intraradices interaction as distinct from other arbuscular mycorrhizal (AM) interactions. In G. intraradices, genes involved in fatty acid (FA) elongation and biosynthesis of unsaturated FAs were enhanced, while in Lotus, FA synthesis genes were up-regulated during AMS. Furthermore, FAS protein localization to mitochondria suggests FA biosynthesis and elongation may also occur in AMF. Our results suggest the existence of interspecific partitioning of PL resources for generation of LPC and novel candidate bioactive PLs in the Lotus-G. intraradices symbiosis. Moreover, the data advocate research with phylogenetically diverse Glomeromycota species for a broader understanding of the molecular underpinnings of AMS.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Vijayakumar, VinodUNSPECIFIEDorcid.org/0000-0002-4923-5551UNSPECIFIED
Liebisch, GerhardUNSPECIFIEDorcid.org/0000-0003-4886-0811UNSPECIFIED
Buer, BenjaminUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Xue, LiUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gerlach, NinaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Blau, SamiraUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schmitz, JessicaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bucher, MarcelUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-286679
DOI: 10.1111/pce.12624
Journal or Publication Title: Plant Cell Environ.
Volume: 39
Number: 2
Page Range: S. 393 - 416
Date: 2016
Publisher: WILEY
Place of Publication: HOBOKEN
ISSN: 1365-3040
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
FATTY-ACID SYNTHESIS; HIGH-THROUGHPUT QUANTIFICATION; MEDICAGO-TRUNCATULA; ARBUSCULAR MYCORRHIZA; H+-ATPASE; FUNCTIONAL-CHARACTERIZATION; PHOSPHATE TRANSPORTER; ORGANELLE BIOGENESIS; MEMBRANE BIOGENESIS; LIPID-METABOLISMMultiple languages
Plant SciencesMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/28667

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