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dc.contributor.author
Santos, Thainá Rodrigues
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Santos Da Paixao, Flavia Regina
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Catão, Alaine Maria Lopes
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Muniz, Elen Regozino
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Ribeiro-Silva, Cárita Souza
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Taveira, Stephania Fleury
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Luz, Christian
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Mascarin, Gabriel Moura
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Fernandes, Éverton Kort Kamp
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Marreto, Ricardo Neves
dc.date.available
2023-07-26T17:22:16Z
dc.date.issued
2021-06
dc.identifier.citation
Santos, Thainá Rodrigues; Santos Da Paixao, Flavia Regina; Catão, Alaine Maria Lopes; Muniz, Elen Regozino; Ribeiro-Silva, Cárita Souza; et al.; Inorganic pellets containing microsclerotia of Metarhizium anisopliae: a new technological platform for the biological control of the cattle tick Rhipicephalus microplus; Springer; Applied Microbiology and Biotechnology; 105; 12; 6-2021; 5001-5012
dc.identifier.issn
0175-7598
dc.identifier.uri
http://hdl.handle.net/11336/205649
dc.description.abstract
This study was sought to devise pellets containing inorganic materials and microsclerotia of Metarhizium anisopliae strain IP 119 for biological control of Rhipicephalus microplus, the most economically important tick in Brazilian cattle industry. In addition, we evaluated the storage stability of the pellets, their tolerance to ultraviolet radiation (UV-B), and efficacy against ticks under laboratory conditions. Fungal microsclerotia were produced by liquid culture fermentation and mixed with pre-selected inorganic matrices: vermiculite powder, diatomaceous earth, and colloidal silicon dioxide (78:20:2, w/w/w). The microsclerotial pellets were then prepared by a two-stage process involving extrusion and spheronization. Pellet size averaged 525.53 ± 7.74 μm, with a sphericity index of 0.72 ± 0.01, while biomass constituents did not affect the wet mass properties. Conidial production from microsclerotial pellets upon rehydration ranged from 1.85 × 109 to 1.97 × 109 conidia g−1 with conidial viability ≥ 93%. Conidial production from pellets stored at 4 °C was invariable for up to 21 days. Unformulated microsclerotia and microsclerotial pellets were extremely tolerant to UV-B compared with aerial conidia. Engorged tick females exposed to conidia from sporulated pellets applied to soil samples and upon optimal rehydration exhibited shorter oviposition time length, shorter life span, and reduced number of hatched larvae. In summary, microsclerotial pellets of M. anisopliae IP 119 effectively suppressed R. microplus and showed outstanding UV-B tolerance in laboratory tests. Prospectively, this formulation prototype is promising for targeting the non-parasitic stage of this tick on outdoor pasture fields and may offer a novel mycoacaricide for its sustainable management.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
BIOEFFICACY
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CATTLE TICK
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ENTOMOPATHOGENIC FUNGI
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MICROSCLEROTIAL FORMULATION
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PELLETS
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UV-B
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Otros Tópicos Biológicos
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Inorganic pellets containing microsclerotia of Metarhizium anisopliae: a new technological platform for the biological control of the cattle tick Rhipicephalus microplus
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-09-20T18:40:34Z
dc.journal.volume
105
dc.journal.number
12
dc.journal.pagination
5001-5012
dc.journal.pais
Alemania
dc.description.fil
Fil: Santos, Thainá Rodrigues. Universidade Federal de Goiás; Brasil
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Fil: Santos Da Paixao, Flavia Regina. Universidade Federal de Goiás; Brasil. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Investigaciones Bioquímicas de La Plata "Prof. Dr. Rodolfo R. Brenner". Universidad Nacional de la Plata. Facultad de Ciencias Médicas. Instituto de Investigaciones Bioquímicas de La Plata "Prof. Dr. Rodolfo R. Brenner"; Argentina
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Fil: Catão, Alaine Maria Lopes. Universidade Federal de Goiás; Brasil
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Fil: Muniz, Elen Regozino. Universidade Federal de Goiás; Brasil
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Fil: Ribeiro-Silva, Cárita Souza. Universidade Federal de Goiás; Brasil
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Fil: Taveira, Stephania Fleury. Universidade Federal de Goiás; Brasil
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Fil: Luz, Christian. Universidade Federal de Goiás; Brasil
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Fil: Mascarin, Gabriel Moura. Ministerio da Agricultura Pecuaria e Abastecimento de Brasil. Empresa Brasileira de Pesquisa Agropecuaria; Brasil
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Fil: Fernandes, Éverton Kort Kamp. Universidade Federal de Goiás; Brasil
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Fil: Marreto, Ricardo Neves. Universidade Federal de Goiás; Brasil
dc.journal.title
Applied Microbiology and Biotechnology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s00253-021-11372-1
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007/s00253-021-11372-1
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