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Multifunctional properties of a bacillus thuringiensis strain (BST-122): beyond the parasporal crystal

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dc.contributor.authorUnzue Pozas, Argiñe
dc.contributor.authorCaballero, Carlos J.
dc.contributor.authorVillanueva, Maite
dc.contributor.authorFernández González, Ana Beatriz
dc.contributor.authorCaballero Murillo, Primitivo
dc.contributor.departmentInstitute for Multidisciplinary Research in Applied Biology - IMABen
dc.date.accessioned2023-04-11T17:02:20Z
dc.date.available2023-04-11T17:02:20Z
dc.date.issued2022
dc.date.updated2023-04-11T16:58:37Z
dc.description.abstractChemical products still represent the most common form of controlling crop pests and diseases. However, their extensive use has led to the selection of resistances. This makes the finding of new solutions paramount to countering the economic losses that pests and diseases represent in modern agriculture. Bacillus thuringiensis (Bt) is one of the most reliable alternatives to chemical-based solutions. In this study, we aimed to further expand the global applicability of Bt strains beyond their spores and crystals. To this end, we selected a new Bt strain (BST-122) with relevant toxicity factors and tested its activity against species belonging to different phyla. The spore and crystal mixture showed toxicity to coleopterans. Additionally, a novel Cry5-like protein proved active against the two-spotted spider mite. In vivo and plant assays revealed significant control of the parasitic nematode, Meloidogyne incognita. Surprisingly, our data indicated that the nematocidal determinants may be secreted. When evaluated against phytopathogenic fungi, the strain seemed to decelerate their growth. Overall, our research has highlighted the potential of Bt strains, expanding their use beyond the confinements of spores and crystals. However, further studies are required to pinpoint the factors responsible for the wide host range properties of the BST-122 strain.en
dc.description.sponsorshipA. Unzue Doctorados Industriales predoctoral contract was cofounded by Gobierno de Navarra (0011-1408-2017-000027) and Bioinsectis SL. A. B. Fernández contract was cofounded by the Program Torres Quevedo (Ministerio de Ciencia, Innovación y Universidades, Gobierno de España) (PTQ-2018-010091) and Bioinsectis SL.en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationUnzue, A., Caballero, C., Villanueva, M., Fernández, A., & Caballero, P. (2022). Multifunctional properties of a bacillus thuringiensis strain (BST-122): Beyond the parasporal crystal. Toxins, 14(11), 768. https://doi.org/10.3390/toxins14110768en
dc.identifier.doi10.3390/toxins14110768
dc.identifier.issn2072-6651
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/45095
dc.language.isoengen
dc.publisherMDPIen
dc.relation.ispartofToxins 2022, 14(11), 768en
dc.relation.projectIDinfo:eu-repo/grantAgreement/MICIU//PTQ-2018-010091en
dc.relation.projectIDinfo:eu-repo/grantAgreement/Gobierno de Navarra//0011-1408-2017-000027en
dc.relation.publisherversionhttps://doi.org/10.3390/toxins14110768
dc.rights© 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.en
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectBacillus thuringiensisen
dc.subjectBioassaysen
dc.subjectColeopteraen
dc.subjectMiteen
dc.subjectMultifunctionalen
dc.subjectPhytopathogenic fungien
dc.subjectPlant-parasitic nematodeen
dc.subjectToxicityen
dc.titleMultifunctional properties of a bacillus thuringiensis strain (BST-122): beyond the parasporal crystalen
dc.typeinfo:eu-repo/semantics/article
dc.type.versionVersión publicada / Argitaratu den bertsioaes
dc.type.versioninfo:eu-repo/semantics/publishedVersionen
dspace.entity.typePublication
relation.isAuthorOfPublication35e83314-7926-412b-b84a-44745466ee0a
relation.isAuthorOfPublication8109ee0c-6969-4db1-b5e3-846b2466b2c6
relation.isAuthorOfPublicationecde8e03-14c2-46a3-9e89-ae3b2c668297
relation.isAuthorOfPublication.latestForDiscovery8109ee0c-6969-4db1-b5e3-846b2466b2c6

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