Isolation and Evaluation of New Antagonist Bacillus Strains for the Control of Pathogenic and Mycotoxigenic Fungi of Fig Orchards

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dc.authoridELTEM, RENGIN/0000-0002-0642-7676
dc.authoridOztopuz, Ozlem/0000-0002-1373-6311
dc.contributor.authorOztopuz, Ozlem
dc.contributor.authorPekin, Gulseren
dc.contributor.authorPark, Ro Dong
dc.contributor.authorEltem, Rengin
dc.date.accessioned2025-01-27T20:45:42Z
dc.date.available2025-01-27T20:45:42Z
dc.date.issued2018
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractBacillus is an antagonistic bacteria that shows high effectiveness against different phytopathogenic fungi and produces various lytic enzymes, such as chitosanase, chitinase, protease, and gluconase. The aim of this study is to determine Bacillus spp. for lytic enzyme production and to evaluate the antifungal effects of the selected strains for biocontrol of mycotoxigenic and phytopathogenic fungi. A total of 92 endospore-forming bacterial isolates from the 24 fig orchard soil samples were screened for chitosanase production, and six best chitosanolytic isolates were selected to determine chitinase, protease, and N-acetyl-beta-hexos-aminidase activity and molecularly identified. The antagonistic activities of six Bacillus strains against Aspergillus niger EGE-K-213, Aspergillus foetidus EGE-K-211, Aspergillus ochraceus EGE-K-217, and Fusarium solani KCTC 6328 were evaluated. Fungal spore germination inhibition and biomass inhibition activities were also measured against A. niger EGE-K-213. The results demonstrated that Bacillus mojavensis EGE-B-5.2i and Bacillus thuringiensis EGE-B-14.1i were more efficient antifungal agents against A. niger EGE-K-213. B. mojavensis EGE-B-5.2i has shown maximum inhibition of the biomass (30.4%), and B. thuringiensis EGE-B-14.1i has shown maximum inhibition of spore germination (33.1%) at 12 h. This is the first study reporting the potential of antagonist Bacillus strains as biocontrol agents against mycotoxigenic fungi of fig orchads.
dc.description.sponsorshipTubitak [104O339] Funding Source: Medline
dc.identifier.doi10.1007/s12010-018-2764-9
dc.identifier.endpage711
dc.identifier.issn0273-2289
dc.identifier.issn1559-0291
dc.identifier.issue3
dc.identifier.pmid29721823
dc.identifier.scopus2-s2.0-85054230187
dc.identifier.scopusqualityQ2
dc.identifier.startpage692
dc.identifier.urihttps://doi.org/10.1007/s12010-018-2764-9
dc.identifier.urihttps://hdl.handle.net/20.500.12428/24688
dc.identifier.volume186
dc.identifier.wosWOS:000448468200014
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofApplied Biochemistry and Biotechnology
dc.relation.publicationcategoryinfo:eu-repo/semantics/openAccess
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectLytic enzymes
dc.subjectBacillus
dc.subjectBiocontrol
dc.subjectMycotoxigenic fungi
dc.titleIsolation and Evaluation of New Antagonist Bacillus Strains for the Control of Pathogenic and Mycotoxigenic Fungi of Fig Orchards
dc.typeArticle

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