Effects of acaricidal essential oils from Lippia sidoides and Lippia gracilis and their main components on vitellogenesis in Rhipicephalus microplus (Canestrini, 1888) (Acari: Ixodidae)

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Autor(es): dc.contributorUniversidade Federal do Maranhão-
Autor(es): dc.contributorCidade Universitária Paulo VI-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade Federal de Sergipe (UFS)-
Autor(es): dc.creatorPenha, Tatiane-
Autor(es): dc.creatorCosta, Anderson Cássio Campelo-
Autor(es): dc.creatorLima, Aldilene da Silva-
Autor(es): dc.creatorCamargo-Mathias, Maria Izabel-
Autor(es): dc.creatorBlank, Arie Fitzgerald-
Autor(es): dc.creatorAbreu-Silva, Ana Lúcia-
Autor(es): dc.creatorCosta-Júnior, Livio Martins-
Data de aceite: dc.date.accessioned2025-08-21T17:40:53Z-
Data de disponibilização: dc.date.available2025-08-21T17:40:53Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2021-10-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.vetpar.2021.109584-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/222489-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/222489-
Descrição: dc.descriptionRhipicephalus microplus is an important cattle tick, and resistant strains to synthetic compounds have been widespread. The combined effects of different essential oil compounds enhance biological activity and reduce selection for the development of target organism resistance. Essential oils of two different genotypes of each of Lippia sidoides and Lippia gracilis and their main components, the isomers thymol and carvacrol, have acted as acaricides against R. microplus. Little is known about the effects of the essential oils of L. sidoides and L. gracilis and thymol and carvacrol on the morphophysiology of R. microplus ovaries. This study aimed to identify the morphological changes in the ovaries of R. microplus females treated with essential oils from two different genotypes of each of L. sidoides (102 and 103) and L. gracilis (106 and 201) and the terpenes thymol and carvacrol through histological techniques. The LC50 and LC75 of essential oils and thymol and carvacrol were used for Adult Immersion Test (AIT) with groups of five fully engorged females of R. microplus. A negative control (DMSO 3% solution) was performed. Seven days after the AIT, the ticks were dissected to collect ovaries and their histologic analysis. Only the group treated with the essential oil of L. gracilis genotype 106 at the LC50 had no change compared with the control. The other groups showed the following changes in oocytes I to V: vacuolation, chorion deformation, disorganization of yolk granules, and irregularities at the cell periphery, causing incomplete process of vitellogenesis. Thus, the essential oils tested in this study may be potent products for the control of cattle ticks and thereby preventing further life cycles.-
Descrição: dc.descriptionDepartamento de Patologia Universidade Federal do Maranhão, Av. dos Portugueses-
Descrição: dc.descriptionDepartamento de Patologia Universidade Estadual do Maranhão Cidade Universitária Paulo VI-
Descrição: dc.descriptionDepartamento de Química Universidade Federal do Maranhão, Av. dos Portugueses-
Descrição: dc.descriptionDepartamento de Biologia I.B UNESP, Avenida 24 A, 1515, Cx. Postal 199-
Descrição: dc.descriptionDepartamento de Agronomia Universidade Federal de Sergipe Av. Marechal Rondon S/N-
Descrição: dc.descriptionDepartamento de Biologia I.B UNESP, Avenida 24 A, 1515, Cx. Postal 199-
Idioma: dc.languageen-
Relação: dc.relationVeterinary Parasitology-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectAction mode-
Palavras-chave: dc.subjectCarvacrol-
Palavras-chave: dc.subjectEssential oil-
Palavras-chave: dc.subjectOvary-
Palavras-chave: dc.subjectThymol-
Palavras-chave: dc.subjectTicks-
Título: dc.titleEffects of acaricidal essential oils from Lippia sidoides and Lippia gracilis and their main components on vitellogenesis in Rhipicephalus microplus (Canestrini, 1888) (Acari: Ixodidae)-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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