ArticleBMC microbiology2022
Aspergillus flavus YRB2 from Thymelaea hirsuta (L.) Endl., a non-aflatoxigenic endophyte with ability to overexpress defense-related genes against Fusarium root rot of maize.
Article in BMC microbiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed.
- Purification and characterization of a dihydroxy Oxocyclohexyl acetate derivative from endophytic Aspergillus Candidus targeting Candida albicans lanosterol 14α-Demethylase.Scientific reports · 2026Article
- Medicinal Plant Rhizospheres as Reservoirs ofLife (Basel, Switzerland) · 2025Article
- Biocontrol Effects and Potential Defence Mechanism of Bacillus velezensis JS6-1 Against Fusarium solani-Induced Postharvest Rots in Muskmelon.Current microbiology · 2025Article
- The invasion of Cassytha filiformis accelerated the litter decomposition of native plant communities in small tropical coral islands.BMC plant biology · 2025Article
- Integrated biocontrol strategies using indigenous fungal endophytesFrontiers in microbiology · 2025Article
- Isolation and identification of antifungal, antibacterial and nematocide agents from marine bacillus gottheilii MSB1.BMC biotechnology · 2024Article
- Application and antagonistic mechanisms of atoxigenicApplied and environmental microbiology · 2024Review
- Molecular identification and pathogenicity of endophytic fungi from corn ears.Scientific reports · 2024Article
- Bio-stimulating effect of endophytic Aspergillus flavus AUMC 16068 and its respective ex-polysaccharides in lead stress tolerance of Triticum aestivum plant.Scientific reports · 2024Article
- Biocontrol potential of endophytic bacteriumPeerJ · 2024Article
- Eliciting transcriptomic and antioxidant defensive responses against Rhizoctonia root rot of sorghum using the endophyte Aspergillus oryzae YRA3.Scientific reports · 2023Article
- Metabolomics analysis of mycelial exudates provides insights into fungal antagonists ofMycology · 2023Article
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3 authors.
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Abstract
Fusarium root rot, caused by Fusarium solani (Mart.) Sacc., represents one of the most damaging diseases of maize affecting plant growth and yield. In this study, the antagonistic potential of a non-aflatoxigenic endophytic Aspergillus flavus YRB2, isolated from Thymelaea hirsuta (L.) Endl., was tested against F. solani in vitro. In addition, its biocontrol activity against Fusarium root rot of maize was evaluated under greenhouse conditions. Its impacts on plant molecular, pathological, physiological, and growth levels were also studied. Results obtained revealed a potent antagonistic behavior for A. flavus YRB2 against F. solani in vitro, recording 80% growth inhibition. Seventeen secondary metabolites were detected in the n-hexane extract of A. flavus YRB2 filtered culture broth using GC-MS analysis. Among them, various antifungal secondary metabolites were produced, namely palmitic acid, α-linolenic acid, stearic acid, 2, 4-di-tert-butylphenol, diisobutyl phthalate, and heneicosane. In contrast, HPLC analysis showed that no aflatoxins (B1, B2, G1, and G2) were detected. Under greenhouse conditions, colonization of maize plants with A. flavus YRB2 exhibited a potential biocontrol activity against Fusarium root rot, recording 73.4% reduction in the disease severity. Triggering of transcriptional expression level of the defense-related genes JERF3 (7.2-fold), CHI II (8-fold), and POD (9.1-fold) was reported, indicating the inducing effect on the plant immunity. In addition, an increment in the antioxidant enzymes POD and PPO, and the total phenolic content in maize roots was also observed in response to this treatment. Moreover, a growth-promoting effect was also observed for colonization of maize plants with A. flavus YRB2. Based on the obtained data, we can conclude that A. flavus YRB2 may represent a promising biocontrol and growth-promoting agent for maize plants against Fusarium root rot. Nevertheless, field evaluation is highly requested before the use recommendation.
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