Flavonoids from Kalanchoe ×laetivirens Impair Survival and Immunity of Atta sexdens (Hymenoptera: Formicidae)

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Autor(es): dc.contributorFederal University of Tocantins-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorMelo, Márcio Silva-
Autor(es): dc.creatorSilva, Cynthia Lhourrana Santos-
Autor(es): dc.creatorTenório, Amanda Caroline Teles-
Autor(es): dc.creatorMelo, Bruno Silva-
Autor(es): dc.creatorBarbosa, Rone da Silva-
Autor(es): dc.creatorSarmento, Renato Almeida-
Autor(es): dc.creatorHolzbach, Juliana Cristina-
Autor(es): dc.creatorCruz, Állefe Barbosa-
Autor(es): dc.creatorNascimento, Isabele Rodrigues-
Autor(es): dc.creatorde Souza, Danival José-
Data de aceite: dc.date.accessioned2025-08-21T18:41:15Z-
Data de disponibilização: dc.date.available2025-08-21T18:41:15Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2023-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.2174/2210315514666230808142940-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/300932-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/300932-
Descrição: dc.descriptionBackground: The active secondary metabolites of various Kalanchoe species are promising for controlling insects and other agricultural pests. Objective: This study aimed to evaluate the mortality and immune responses of the leafcutter ant Atta sexdens (L.) after treatment with Kalanchoe ×laetivirens (Desc.) aqueous extract. The effects on an aquatic organism used as a bioindicator, Chironomus xanthus (Rempel), were also evaluated. Methods: Different K. ×laetivirens concentrations were prepared by dilution in honey to assess the toxicity and determine the median lethal concentration (LC50) for A. sexdens workers. The haemocytes of workers treated with a sublethal concentration (0.005 g/mL) were counted. Results: The plant extracts induced high mortality in A. sexdens workers. All concentrations, except 0.001 g/mL, increased mortality rates. The sublethal concentration negatively affected the immune system of A. sexdens workers 48 and 72 h after ingestion. The flavonoids 4″″-acetylsagittatin A, sagittatin A and the nucleosides uridine and adenosine were identified. The LC50 of the K. ×laetivirens (128.1 mg/L) was determined for the non-target organism, C. xanthus. Conclusion: These natural compounds can be used in future research to plan alternative control strategies for leafcutter ants in forests and other agroecosystems.-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionGraduate Program in Plant Production Federal University of Tocantins, Gurupi Campus, TO-
Descrição: dc.descriptionGraduate Program in Environmental Chemistry Federal University of Tocantins, Gurupi Campus, TO-
Descrição: dc.descriptionInstitute of Chemistry São Paulo State University (Unesp), Araraquara campus, SP-
Descrição: dc.descriptionInstitute of Chemistry São Paulo State University (Unesp), Araraquara campus, SP-
Descrição: dc.descriptionCNPq: 420109/2021-8-
Formato: dc.format21-30-
Idioma: dc.languageen-
Relação: dc.relationNatural Products Journal-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectBiological control-
Palavras-chave: dc.subjectcertification-
Palavras-chave: dc.subjectentomology-
Palavras-chave: dc.subjectflavonoids-
Palavras-chave: dc.subjectforests-
Palavras-chave: dc.subjectplant extract-
Título: dc.titleFlavonoids from Kalanchoe ×laetivirens Impair Survival and Immunity of Atta sexdens (Hymenoptera: Formicidae)-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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