Dual and Single-species Nematode Infections Distinctly Modulate Defense Metabolism in Brassica nigra Roots.

ABSTRACT: Plant roots are exposed to various organisms that significantly impact plant productivity. Plant-parasitic nematodes (PPNs) such as Meloidogyne spp. and Pratylenchus spp. are microscopic roundworms that damage several crops. In natural populations, M. incognita and P. penetrans were found to infest black mustard (Brassica nigra) plants simultaneously. Considering their different feeding strategies and contrasting effects on plant defense responses, we hypothesized that dual infection may affect each nematode's performance via changes in the root metabolome. Using untargeted and targeted metabolomics, we evaluated how single and dual nematode infections affected B. nigra root metabolome. We combined these metabolic data with measures of early infection success. At three days post-inoculatio

SUBMITTER: Pajar JA 

PROVIDER: S-EPMC12423230 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature