ArticleMolecular plant pathology2012
Phoma medicaginis stimulates the induction of the octadecanoid and phenylpropanoid pathways in Medicago truncatula.
Article in Molecular plant pathology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 32 citations in OpenAlex.
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- Unraveling alfalfa molecular adaptation to salinity andPlant signaling & behavior · 2025Article
- Transcriptome analysis of resistant and susceptible Medicago truncatula genotypes in response to spring black stem and leaf spot disease.BMC plant biology · 2024Article
- Genome assembly of Medicago truncatula accession SA27063 provides insight into spring black stem and leaf spot disease resistance.BMC genomics · 2024Article
- A functional genomics approach to dissect spotted alfalfa aphid resistance in Medicago truncatula.Scientific reports · 2020Article
- Article
- Jasmonate Signalling and Defence Responses in the Model Legume Medicago truncatula-A Focus on Responses to Fusarium Wilt Disease.Plants (Basel, Switzerland) · 2016Article
- High-quality permanent draft genome sequence of Ensifer medicae strain WSM244, a microsymbiont isolated from Medicago polymorpha growing in alkaline soil.Standards in genomic sciences · 2015Article
- Lignin: characterization of a multifaceted crop component.TheScientificWorldJournal · 2013Review
- A rapid method for profiling of volatile and semi-volatile phytohormones using methyl chloroformate derivatisation and GC-MS.Metabolomics : Official journal of the Metabolomic SocietyArticle
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Authors and funding
7 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Gene expression changes and metabolite abundances were measured during the interaction of Medicago truncatula with the fungal necrotrophic pathogen Phoma medicaginis in leaf tissue of susceptible and resistant accessions. Over 330 genes were differentially expressed in plants infected with P. medicaginis relative to mock-inoculated plants at 12 h post-inoculation. Of these, 191 were induced in either the resistant or the susceptible accession, with 143 genes repressed. Expression changes were observed in genes involved in the oxidative burst, cell wall strengthening and lipid metabolism, as well as several transcription factors. Genes related to salicylic acid, jasmonate and ethylene responses were up-regulated, as well as genes leading to the production of jasmonic acid. Significant induction of genes in the phenylpropanoid pathway leading to lignin and isoflavonoid biosynthesis occurred. High-pressure liquid chromatography with UV detection (HPLC-UV) identified several phenolic compounds induced by P. medicaginis, as well as constitutively higher levels of phenolic compounds, in the resistant M. truncatula accession. Differentially regulated genes induced in both the resistant and susceptible accessions, but with different kinetics, and constitutively more highly expressed and induced phenolic compounds provide candidates for functional analysis. Taken together, these results highlight the importance of the octadecanoid and phenylpropanoid pathways in defence against this necrotrophic pathogen.
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