ArticlePloS one2024
Evaluation of Tunisian wheat endophytes as plant growth promoting bacteria and biological control agents against Fusarium culmorum.
Article in PloS one, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Trichoderma koningiopsis-assembled synthetic PGPR community manage Fusarium damping-off and promote growth of Pinus massoniana seedlings.Pest management science · 2026Article
- Tissue-specific assembly of endophytic microbiota in Agriophyllum squarrosum (L.) Moq.BMC microbiology · 2026Article
- Exploring the Functional Roles of Endophytic Bacteria in Plant Stress Tolerance for Sustainable Agriculture: Diversity, Mechanisms, Applications, and Challenges.Plants (Basel, Switzerland) · 2026Review
- Current Research Status of Fusarium Crown and Root Rot Diseases in Wheat-Growing Countries of North Africa: A Review.Pathogens (Basel, Switzerland) · 2026Review
- Endophyte-mediated pest resistance: mechanisms, evidence gaps, and translational opportunities.Frontiers in microbiomes · 2026Review
- Multifunctional endospermic bacteria from cultivars of Triticum durum & T. dicoccum influencing plant growth.Archives of microbiology · 2025Article
- In vitro and In silico investigation deciphering novel antifungal activity of endophyte Bacillus velezensis CBMB205 against Fusarium oxysporum.Scientific reports · 2025Article
- Synthetic communities derived from the core endophytic microbiome of hyperaccumulators and their role in cadmium phytoremediation.Microbiome · 2024Article
- Exploring the rhizosphere of perennial wheat: potential for plant growth promotion and biocontrol applications.Scientific reports · 2024Article
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Authors and funding
9 authors.
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Abstract
Plant growth-promoting rhizobacteria (PGPR) applications have emerged as an ideal substitute for synthetic chemicals by their ability to improve plant nutrition and resistance against pathogens. In this study, we isolated fourteen root endophytes from healthy wheat roots cultivated in Tunisia. The isolates were identified based from their 16S rRNA gene sequences. They belonged to Bacillota and Pseudomonadota taxa. Fourteen strains were tested for their growth-promoting and defense-eliciting potentials on durum wheat under greenhouse conditions, and for their in vitro biocontrol power against Fusarium culmorum, an ascomycete responsible for seedling blight, foot and root rot, and head blight diseases of wheat. We found that all the strains improved shoot and/or root biomass accumulation, with Bacillus mojavensis, Paenibacillus peoriae and Variovorax paradoxus showing the strongest promoting effects. These physiological effects were correlated with the plant growth-promoting traits of the bacterial endophytes, which produced indole-related compounds, ammonia, and hydrogen cyanide (HCN), and solubilized phosphate and zinc. Likewise, plant defense accumulations were modulated lastingly and systematically in roots and leaves by all the strains. Testing in vitro antagonism against F. culmorum revealed an inhibition activity exceeding 40% for five strains: Bacillus cereus, Paenibacillus peoriae, Paenibacillus polymyxa, Pantoae agglomerans, and Pseudomonas aeruginosa. These strains exhibited significant inhibitory effects on F. culmorum mycelia growth, sporulation, and/or macroconidia germination. P. peoriae performed best, with total inhibition of sporulation and macroconidia germination. These finding highlight the effectiveness of root bacterial endophytes in promoting plant growth and resistance, and in controlling phytopathogens such as F. culmorum. This is the first report identifying 14 bacterial candidates as potential agents for the control of F. culmorum, of which Paenibacillus peoriae and/or its intracellular metabolites have potential for development as biopesticides.
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