ArticleBMC plant biology2019
Colonisation of Oncidium orchid roots by the endophyte Piriformospora indica restricts Erwinia chrysanthemi infection, stimulates accumulation of NBS-LRR resistance gene transcripts and represses their targeting micro-RNAs in leaves.
Article in BMC plant biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 24 citations in OpenAlex.
- Identification of the NBS-LRR gene family and AkNBS-LRR43 and 100 functional analysis under biotic stress.Plant cell reports · 2026Article
- Copalyl diphosphate synthase gene TaCPS1 mediated resistance to Fusarium graminearum in wheat in response to Piriformospora indica colonization.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Unveiling the rhizosphere microbiome ofFrontiers in microbiology · 2025Review
- Colonization by orchid mycorrhizal fungi primes induced systemic resistance against necrotrophic pathogen.Frontiers in plant science · 2024Article
- Research Progress ofJournal of fungi (Basel, Switzerland) · 2023Review
- Spatiotemporal biocontrol and rhizosphere microbiome analysis of Fusarium wilt of banana.Communications biology · 2023Article
- Is Endophytic Colonization of Host Plants a Method of Alleviating Drought Stress? Conceptualizing the Hidden World of Endophytes.International journal of molecular sciences · 2022Review
- High Ambient Temperature Regulated the Plant Systemic Response to the Beneficial Endophytic FungusFrontiers in plant science · 2022Article
- Threat at One End of the Plant: What Travels to Inform the Other Parts?International journal of molecular sciences · 2021Review
- Piriformospora indica colonization increases the growth, development, and herbivory resistance of sweet potato (Ipomoea batatas L.).Plant cell reports · 2021Article
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Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
Abstract
backgroundErwinia chrysanthemi (Ec) is a destructive pathogen which causes soft-rot diseases in diverse plant species including orchids. We investigated whether colonization of Oncidium roots by the endophytic fungus Piriformospora indica (Pi) restricts Ec-induced disease development in leaves, and whether this might be related to the regulation of nucleotide binding site-leucine rich repeat (NBS-LRR) Resistance (R) genes.
resultsRoot colonization of Oncidium stackings by Pi restricts progression of Ec-induced disease development in the leaves. Since Pi does not inhibit Ec growth on agar plates, we tested whether NBS-LRR R gene transcripts and the levels of their potential target miRNAs in Oncidium leaves might be regulated by Pi. Using bioinformatic tools, we first identified NBS-LRR R gene sequences from Oncidium, which are predicted to be targets of miRNAs. Among them, the expression of two R genes was repressed and the accumulation of several regulatory miRNA stimulated by Ec in the leaves of Oncidium plants. This correlated with the progression of disease development, jasmonic and salicylic acid accumulation, ethylene synthesis and H
conclusionBased on these data we propose that Pi controls the levels of NBS-LRR R mRNAs and their target miRNAs in leaves. This regulatory circuit correlates with the protection of Oncidium plants against Ec infection, and molecular and biochemical investigations will demonstrate in the future whether, and if so, to what extent these two observations are related to each other.
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