Issue 4, 2024

Proteome- and metabolome-level changes during early stages of clubroot infection in Brassica napus canola

Abstract

Clubroot is a destructive root disease of canola (Brassica napus L.) caused by Plasmodiophora brassicae Woronin. Despite extensive research into the molecular responses of B. napus to P. brassicae, there is limited information on proteome- and metabolome-level changes in response to the pathogen, especially during the initial stages of infection. In this study, we have investigated the proteome- and metabolome- level changes in the roots of clubroot-resistant (CR) and -susceptible (CS) doubled-haploid (DH) B. napus lines, in response to P. brassicae pathotype 3H at 1-, 4-, and 7-days post-inoculation (DPI). Root proteomes were analyzed using nanoflow liquid chromatography coupled with tandem mass spectrometry (nano LC-MS/MS). Comparisons of pathogen-inoculated and uninoculated root proteomes revealed 2515 and 1556 differentially abundant proteins at one or more time points (1-, 4-, and 7-DPI) in the CR and CS genotypes, respectively. Several proteins related to primary metabolites (e.g., amino acids, fatty acids, and lipids), secondary metabolites (e.g., glucosinolates), and cell wall reinforcement-related proteins [e.g., laccase, peroxidases, and plant invertase/pectin methylesterase inhibitors (PInv/PMEI)] were identified. Eleven nucleotides and nucleoside-related metabolites, and eight fatty acids and sphingolipid-related metabolites were identified in the metabolomics study. To our knowledge, this is the first report of root proteome-level changes and associated alterations in metabolites during the early stages of P. brassicae infection in B. napus.

Graphical abstract: Proteome- and metabolome-level changes during early stages of clubroot infection in Brassica napus canola

Supplementary files

Article information

Article type
Research Article
Submitted
12 Oct 2023
Accepted
22 Jan 2024
First published
23 Jan 2024

Mol. Omics, 2024,20, 265-282

Proteome- and metabolome-level changes during early stages of clubroot infection in Brassica napus canola

D. Adhikary, D. Mehta, A. Kisiala, U. Basu, R. G. Uhrig, R. N. Emery, H. Rahman and N. N. V. Kav, Mol. Omics, 2024, 20, 265 DOI: 10.1039/D3MO00210A

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