Evaluation of antifungal, phosphate solubilisation, and siderophore and chitinase release activities of endophytic fungi from Pistacia vera

Dolatabad, Hossein Kari; Javan‐Nikkhah, Mohammad; Shier, W. Thomas

doi:10.1007/s11557-017-1315-z

Cited by 48 publications

(13 citation statements)

References 75 publications

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“…Lecanicillium spp. are well-known entomopathogenic and nematophagous fungi with antagonistic activity against several plant pathogens [ 9 , 10 , 12 , 29 ]. They have also been described as beneficial plant endophytes [ 30 ].…”

Section: Resultsmentioning

confidence: 99%

“…Lecanicillium lecanii has been reported as a natural endophyte in Ammophila arenaria [ 31 ], Dactylis glomerata [ 32 ], Deschampsia flexuosa [ 33 ], Elymus farctus [ 31 ], Laretia acaulis [ 34 ], Pinus sylvestris [ 35 ], and Taxus baccata [ 36 ] and the species whose colonization can be induced (triggered) by artificial inoculation. The latter aspect is mainly related to crops such as Cucurbita maxima [ 37 ], Gossypium hirsutum [ 38 ], Solanum lycopersicum [ 37 ], Phaseolus vulgaris [ 37 , 39 ], Pistacia vera [ 10 ], Triticum aestivum [ 37 ], Vitis vinifera [ 40 ], and Zea mays [ 37 ]. To the best of our knowledge, other than the recent study of Gromadzka et al [ 4 ], there are no data on the natural endophytism of Lecanicillium lecanii in maize.…”

Section: Resultsmentioning

confidence: 99%

“…There is accumulating evidence that entomopathogenic, nematophagous Lecanicillium spp. may demonstrate activity against fungal plant pathogens [ 9 , 10 ]. However, to the best of our knowledge, no studies have investigated how the seed-associated Lecanicillium species interact with maize plants.…”

Section: Introductionmentioning

confidence: 99%

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Sarocladium and Lecanicillium Associated with Maize Seeds and Their Potential to Form Selected Secondary Metabolites

et al. 2021

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The occurrence and diversity of Lecanicillium and Sarocladium in maize seeds and their role in this cereal are poorly understood. Therefore, the present study aimed to investigate Sarocladium and Lecanicillium communities found in endosphere of maize seeds collected from fields in Poland and their potential to form selected bioactive substances. The sequencing of the internally transcribed spacer regions 1 (ITS 1) and 2 (ITS2) and the large-subunit (LSU, 28S) of the rRNA gene cluster resulted in the identification of 17 Sarocladium zeae strains, three Sarocladium strictum and five Lecanicillium lecanii isolates. The assay on solid substrate showed that S. zeae and S. strictum can synthesize bassianolide, vertilecanin A, vertilecanin A methyl ester, 2-decenedioic acid and 10-hydroxy-8-decenoic acid. This is also the first study revealing the ability of these two species to produce beauvericin and enniatin B1, respectively. Moreover, for the first time in the present investigation, pyrrocidine A and/or B have been annotated as metabolites of S. strictum and L. lecanii. The production of toxic, insecticidal and antibacterial compounds in cultures of S. strictum, S. zeae and L. lecanii suggests the requirement to revise the approach to study the biological role of fungi inhabiting maize seeds.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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Sarocladium and Lecanicillium Associated with Maize Seeds and Their Potential to Form Selected Secondary Metabolites

et al. 2021

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“…The amplified PCR products were subjected to gel electrophoresis to check the purity of amplicons, and specific band was purified and sequenced. The sequences obtained were compared for homology using BLASTN (NCBI) database 26 . The ITS sequence was subjected to multiple sequence alignment followed by phylogenetic analysis for molecular identification.…”

Section: Identification Of Potential Fungal Isolate Through Sequencingmentioning

confidence: 99%

Untitled

2020

IJPSR

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Pseudomonas aeruginosa is one of the most emerging multidrug-resistant opportunistic pathogens, which poses a threat to immunocompromised patients. Treatment of P. aeruginosa in the affected patients has become difficult because of its ability to develop resistant strains against most of the conventional therapeutic antibiotics. Quorum sensing plays a crucial role in the virulence nature of P. aeruginosa as it helps the bacteria to produce virulence factors and biofilm formation. In the present study, we studied the quorum quenching potential of fungal secondary metabolites from the well-known fungus Phoma multirostrata PUTY3 strain isolated from Carica papaya. In this study, we have carried out both in-vitro and in-silico analyses of fungal secondary metabolites from P. multrirostrata against P. aeruginasa. The in-vitro analysis showed a marked decrease in the production of virulence factors such as pyocyanin, rhamnolipids, protease, elastase, exopolysaccharides, HCN gas production and biofilm formation. In addition to this, a significant inhibition in the motility factors of P. aeruginosa such as swimming, swarming, twitching was also observed. In-silico studies further validated the results, in which, docking of molecules, present in the GCMS analysis of fungal secondary metabolites, were carried out with the two main quorum sensing regulating proteins, viz., LasR and RhlR. These findings indicate a new anti-infective and alternative therapeutic approaches to combat the virulence factors of Pseudomonas aeruginosa and explore further the potential of fungal secondary metabolites from other saprophytic fungi colonizing decaying substrata of medicinal plants.

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“…Numerous microorganisms promote growth by producing hormones and improving mineral nutrient uptake in plants by promoting fixation of nitrogen, solubilization of phosphorus, and mineralization of organic matter [1][2][3]. Microorganisms can also induce the production or accumulation of plant metabolites that can improve tolerance of plants to stresses [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Investigating the Role of Endophytic Fungi in Gentiana scabra bge. by Cross-Growth Period Inoculation

Wang

et al. 2018

Indian J Microbiol

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Bge. (gentian) is a Chinese medicinal plant. Endophytic fungi from the roots of gentian were isolated and cross-growth period inoculation was performed to study the roles of three spp. strains (F1, F2, and F9) in their original host plant. In treatments inoculated with F1, F2, and F9, gentiopicroside content increased 33.6, 23.7 and 13% than that in the control. Strains F1, F2, and F9 could also improve polysaccharide content by more than 6.6, 18.7 and 30% compared to the control. The incidence of spot blight in gentian inoculated with F1, F2, and F9 decreased by 31.2, 26.7 and 8.5%. Inconsistent changes in the activity of the three enzymes (superoxide dismutase, catalase and peroxidase) were observed when the plants were attacked by pathogens or inoculated with fungi. High enzymatic activity did not reflect mild disease. Cross-growth period inoculation, which takes into account the original living environment (gentian plant as "substrate" and different microorganisms as symbionts) of endophytic fungi, provides a new idea for studying effects of endophytes on their original hosts. This is the first research about the role of endophytic fungi in bge. in vivo.

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Evaluation of antifungal, phosphate solubilisation, and siderophore and chitinase release activities of endophytic fungi from Pistacia vera

Cited by 48 publications

References 75 publications

Sarocladium and Lecanicillium Associated with Maize Seeds and Their Potential to Form Selected Secondary Metabolites

Sarocladium and Lecanicillium Associated with Maize Seeds and Their Potential to Form Selected Secondary Metabolites

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Investigating the Role of Endophytic Fungi in Gentiana scabra bge. by Cross-Growth Period Inoculation

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