Potential of Bacillus isolates as bio-control agents against some fungal phytopathogens

El-Bendary, Magda A.; Hamed, Hoda A.; Moharam, Maysa E.

doi:10.1016/j.bcab.2016.02.001

Cited by 25 publications

(7 citation statements)

References 27 publications

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“…Also, cell wall-degrading enzymes are produced by Bacillus spp such as proteases and chitinases. ( El-Bendary et al, 2016 , Schönbichler et al, 2020 ). The main factors limiting the biological activity of bacteria in the soil are: water deficit, extreme pH and temperatures, and nutrient deficiencies ( Pandey et al, 2017 ).…”

Section: Discussionmentioning

confidence: 99%

Diversity of rhizospheric and endophytic bacteria isolated from dried fruit of Ficus carica

Abid

Smiri

Federici

et al. 2022

Saudi Journal of Biological Sciences

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Section: Discussionmentioning

confidence: 99%

Diversity of rhizospheric and endophytic bacteria isolated from dried fruit of Ficus carica

Abid

Smiri

Federici

et al. 2022

Saudi Journal of Biological Sciences

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“…velezensis, B. amyloliquefaciens, B. thuringiensis, B. subtilis, etc. (Roy et al 2013;El-Bendary et al 2016;Jiang et al 2018;Chun-Hao Jiang et al 2019). Bacilli spp.…”

Section: Introductionmentioning

confidence: 99%

Antagonistic activity of glucanolytic bacteria Bacillus subtilis W3.15 against Fusarium oxysporum and its enzyme characterization

et al. 2021

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Abstract. Putri RE, Mubarik NR, Ambarsari L, Wahyudi AT. 2021. Antagonistic activity of glucanolytic bacteria Bacillus subtilis W3.15 against Fusarium oxysporum and its enzyme characterization. Biodiversitas 22: 4067-4077. Biocontrol of Fusarium oxysporum, a phytopathogenic fungus that causes plant wilt can be approached with cell-wall degrading enzymes such as ?-glucanase. The aim of this study was to evaluate the prospective ability in glucanase production from several soil bacterial isolates and to characterize its ?-glucanase activity of ammonium sulfate precipitation, and to determine its antifungal activity against F. oxysporum in vitro. Twenty bacterial isolates were screened qualitatively and quantitatively as ?-glucanase producers. The results showed that the prospective isolate W3.15 can produce ?-glucanase on glucan agar as the selection medium. From 16S rRNA sequences identification, the isolate belongs to the genus Bacillus, closely related to Bacillus subtilis. The enzyme activity of the ammonium sulfate fraction of isolate W3.15 is optimum at a pH of 7 and temperature range of 60-80oC. B. subtilis W3.15 exhibits high inhibition against the mycelial growth of F. oxysporum and significantly reduced fungal biomass.

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“…Moreover, Bacillus spp. produces a range of other metabolites including cell wall-degrading enzymes such as chitinases, β -glucanases, and proteases [ 29 , 30 ]. The number of antibiotics produced by the bacilli class, including the antifungal ones, was approaching 167, being 66 derived from B. subtilis , 23 from B. brevis , and the remaining antibiotic peptides are produced by other species of Bacillus [ 17 ].…”

Section: Introductionmentioning

confidence: 99%

Two Novel Bacillus Strains (subtilis and simplex Species) with Promising Potential for the Biocontrol of Zymoseptoria tritici, the Causal Agent of Septoria Tritici Blotch of Wheat

Allioui

Driss

Dhouib

et al. 2021

BioMed Research International

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Two novel Algerian field-collected isolates were selected for their antifungal activity against Zymoseptoria tritici (teleomorph Mycosphaerella graminicola). The novel strains, termed Alg.24B1 and Alg.24B2, were identified as Bacillus subtilis and Bacillus simplex since their respective nucleotide sequences of the 16S rRNA gene were 100% and 99.93% identical to those of B. subtilis and B. simplex, respectively. The antifungal activities of Alg.24B1 and Alg.24B2 were evaluated by the well diffusion method and compared to those of other Bacillus species. The maximum activity was obtained after two days of confrontation of the bacterial strain supernatants with the fungus for Alg.24B1 and three days for Alg.24B2. Furthermore, the metabolites responsible for the antifungal activity of both strains were detected by the investigation of either gene presence (PCR) or molecule production (activity detection of lytic enzymes and HPLC detection of lipopeptides). Overall, this study showed that in addition to their ability to produce lytic enzymes (protease and β-glucanase), both strains coproduce three types of lipopeptides viz. surfactin, iturin, and fengycin. Thus, the biofungicide activity of both strains may be a result of a combination of different mechanisms. Therefore, they had a great potential to be used as biocontrol agents to effectively manage septoria tritici blotch of wheat (STB).

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Potential of Bacillus isolates as bio-control agents against some fungal phytopathogens

Cited by 25 publications

References 27 publications

Diversity of rhizospheric and endophytic bacteria isolated from dried fruit of Ficus carica

Diversity of rhizospheric and endophytic bacteria isolated from dried fruit of Ficus carica

Antagonistic activity of glucanolytic bacteria Bacillus subtilis W3.15 against Fusarium oxysporum and its enzyme characterization

Two Novel Bacillus Strains (subtilis and simplex Species) with Promising Potential for the Biocontrol of Zymoseptoria tritici, the Causal Agent of Septoria Tritici Blotch of Wheat

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