ArticleBMC microbiology2022
Colonization with non-mycorrhizal culturable endophytic fungi enhances orchid growth and indole acetic acid production.
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 21 papers.
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21 citing papers in PubMed, 40 citations in OpenAlex.
- Biological Control and Growth-Promoting Potential of the Endophytic FungusJournal of fungi (Basel, Switzerland) · 2026Article
- Indole-3-Acetic Acid Biosynthesis by Endophytic Fungi and Its Association with Plant-Fungus Interactions.Journal of fungi (Basel, Switzerland) · 2026Review
- Biocontrol Efficiency of Endophytic Fungi Against Stem-Rot inMicroorganisms · 2026Article
- Characterization of plant growth-promoting endophytic fungi from Aegle marmelos Corr. and their role in growth enhancement and yield in rice.Folia microbiologica · 2026Article
- Deciphering Molecular Pathways ofMicroorganisms · 2026Article
- Article
- Evaluating the accumulation of organic acids and fatty acids under different environmental stresses in Dendrobium nobile.BMC plant biology · 2025Article
- Fungal symbiont Mycena complements impaired nitrogen utilization in Gastrodia elata and supplies indole-3-acetic acid to facilitate its seed germination.Plant communications · 2025Article
- Metagenomic and Metabolomic Perspectives on the Drought Tolerance of Broomcorn Millet (Microorganisms · 2025Article
- A new Clonostachys Sp. ZBS49 filamentous fungus with high production of betulinic acid and its inhibitory effect on liver cancer cells.Microbial cell factories · 2025Article
- Inside out: New root endophyticFungal systematics and evolution · 2025Article
- Core Mycorrhizal Fungi Promote Seedling Growth inPlants (Basel, Switzerland) · 2025Article
- Extract from endophyticCommunicative & integrative biology · 2025Article
- Genotype-dependent responses of pepper endophytes to soil microbial community shifts induced by allyl isothiocyanate fumigation.Frontiers in microbiology · 2025Article
- Investigating the growth-promoting effects of entophytic fungi isolated fromFrontiers in microbiology · 2025Article
- Enhancing drought tolerance in Malva parviflora plants through metabolic and genetic modulation using Beauveria bassiana inoculation.BMC plant biology · 2024Article
- Perspective and challenges of mycorrhizal symbiosis in orchid medicinal plants.Chinese herbal medicines · 2024Review
- Identification and Characterization of a Plant Endophytic FungusJournal of fungi (Basel, Switzerland) · 2024Article
- Effects of the epiphytic patterns on endophytes and metabolites ofFrontiers in plant science · 2024Article
- Developmental Characteristics and Auxin Response of Epiphytic Root inFrontiers in plant science · 2022Article
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Authors and funding
7 authors at 4 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundSymbiotic associations of endophytic fungi have been proved by possessing an ability to produce hormones and metabolites for their host plant. Members of the Orchidaceae are obligate mycorrhizal species but a non-mycorrhizal association needs more investigation for their ability to promote plant growth and produce plant growth hormones. In the present study, endophytic fungi were isolated from the roots of Dendrobium longicornu Lindl., to investigate the root colonizing activity and role in plant growth and development.
resultsAmong 23 fungal isolates were identified both by morphological and molecular technique as Penicillium sp., Fusarium sp., Coniochaeta sp., Alternaria sp., and Cladosporium sp. The dominate species were Coniochaeta sp. and Cladosporium sp. The dominant species as per the isolation was Coniochaeta sp. These fungal strains were screened for growth-promoting activity of Cymbidium aloifolium (plantlet) consider as cross genus interaction and Dendrobium longicornu (protocorms) as a host plant in in-vitro condition. Importantly, Cladosporium sp., and Coniochaeta sp. showed successful colonization and peloton formation with roots of C. aloifolium. Moreover, it also enhanced acclimatization of plantlets. Fungal elicitors from nine fungal isolates enhanced the growth of the in vitro grown protocorms of D. longicornu. Key bioactive compounds detected in the fungal colonized plant extract were 2H-pyran-2-one, Cyclopropanecarboxylic acid, Oleic Acid and d-Mannitol, which may have a potential role in plant-microbe interaction. All fungal endophytes were able to synthesize the indole acetic acid (IAA) in presence of tryptophan. Moreover, fungal extract DLCCR7 treated with DL-tryptophan yielded a greater IAA concentration of 43 μg per ml than the other extracts. The iaaM gene involved in IAA synthesis pathway was amplified using iaaM gene primers successfully from Alternaria sp., Cladosporium sp., and Coniochaeta sp.
conclusionsHence, this study confirms the production of IAA by endophytes and demonstrated their host as well as cross-genus plant growth-promoting potential by producing metabolites required for the growth of the plant.
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