ArticlePlant cell reports2017
Induction of SA-signaling pathway and ethylene biosynthesis in Trichoderma harzianum-treated tomato plants after infection of the root-knot nematode Meloidogyne incognita.
Article in Plant cell reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.
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37 citing papers in PubMed, 113 citations in OpenAlex.
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- Grasping Molecular Biology Mechanisms to Optimize Plant Resistance and Advance Microbiome Role Against Phytonematodes.International journal of molecular sciences · 2026Review
- Non- Conventional Agents Enhance Sweet Pepper (Global challenges (Hoboken, NJ) · 2026Article
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- Biocontrol Strategies Against Plant-Parasitic Nematodes UsingJournal of fungi (Basel, Switzerland) · 2025Review
- Detection of Pathogenesis-Related (PR) Genes in Susceptible Tomato Plants Infected by Meloidogyne spp.Methods in molecular biology (Clifton, N.J.) · 2024Article
- Use of Chemicals and Biological Control Agents as Activators of Plant Defense Against Endoparasitic Sedentary Nematodes.Methods in molecular biology (Clifton, N.J.) · 2024Article
- Multiplex CRISPR-Cas9 knockout of EIL3, EIL4, and EIN2L advances soybean flowering time and pod set.BMC plant biology · 2023Article
- Resistance to Plant Parasites in Tomato Is Induced by Soil Enrichment with Specific Bacterial and Fungal Rhizosphere Microbiome.International journal of molecular sciences · 2023Article
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- Bacterial and Fungal Biocontrol Agents for Plant Disease Protection: Journey from Lab to Field, Current Status, Challenges, and Global Perspectives.Molecules (Basel, Switzerland) · 2023Review
- Antagonistic BacteriaGenes · 2023Article
- Assessment of TunisianMicroorganisms · 2023Article
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- The Importance of Microorganisms for Sustainable Agriculture-A Review.Metabolites · 2022Review
- Can Agricultural Practices in Strawberry Fields Induce Plant-Nematode Interaction towardsLife (Basel, Switzerland) · 2022Article
- Exogenous Bio-Based 2,3-Butanediols Enhanced Abiotic Stress Tolerance of Tomato and Turfgrass under Drought or Chilling Stress.Journal of microbiology and biotechnology · 2022Article
- Quantitative detection of induced systemic resistance genes of potato roots upon ethylene treatment and cyst nematode,Saudi journal of biological sciences · 2022Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
key messageSalicylic acid-signaling pathway and ethylene biosynthesis were induced in tomato treated with Trichoderma harzianum when infected by root-knot nematodes and limited the infection by activation of SAR and ethylene production. Soil pre-treatment with Trichoderma harzianum (Th) strains ITEM 908 (T908) and T908-5 decreased susceptibility of tomato to Meloidogyne incognita, as assessed by restriction in nematode reproduction and development. The effect of T. harzianum treatments on plant defense was detected by monitoring the expression of the genes PR-1/PR-5 and JERF3/ACO, markers of the SA- and JA/ET-dependent signaling pathways, respectively. The compatible nematode-plant interaction in absence of fungi caused a marked suppression of PR-1, PR-5, and ACO gene expressions, either locally or systemically, whilst expression of JERF3 gene resulted unaffected. Conversely, when plants were pre-treated with Th-strains, over-expression of PR-1, PR-5, and ACO genes was observed in roots 5 days after nematode inoculation. JERF3 gene expression did not change in Th-colonized plants challenged with nematodes. In the absence of nematodes, Trichoderma-root interaction was characterized by the inhibition of both SA-dependent signaling pathway and ET biosynthesis, and, in the case of PR-1 and ACO genes, this inhibition was systemic. JERF3 gene expression was systemically restricted only at the very early stages of plant-fungi interaction. Data presented indicate that Th-colonization primed roots for Systemic Acquired Resistance (SAR) against root-knot nematodes and reacted to nematode infection more efficiently than untreated plants. Such a response probably involves also activation of ET production, through an augmented transcription of the ACO gene, which encodes for the enzyme catalyzing the last step of ET biosynthesis. JA signaling and Induced Systemic Resistance (ISR) do not seem to be involved in the biocontrol action of the tested Th-strains against RKNs.
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