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(Referência obtida automaticamente do Web of Science, por meio da informação sobre o financiamento pela FAPESP e o número do processo correspondente, incluída na publicação pelos autores.)

Plant Metabolites Involved in the Differential Development of a Heliantheae-Specialist Insect

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Autor(es):
Gallon, Marilia Elias [1] ; Gobbo-Neto, Leonardo [1]
Número total de Autores: 2
Afiliação do(s) autor(es):
[1] Univ Sao Paulo, Sch Pharmaceut Sci Ribeirao Preto, Nucleo Pesquisa Prod Nat & Sintet, Av Cafe S-N, BR-14040903 Ribeirao Preto, SP - Brazil
Número total de Afiliações: 1
Tipo de documento: Artigo Científico
Fonte: METABOLITES; v. 11, n. 3 MAR 2021.
Citações Web of Science: 0
Resumo

Balanced nutritional intake is essential to ensure that insects undergo adequate larval development and metamorphosis. Integrative multidisciplinary approaches have contributed valuable insights regarding the ecological and evolutionary outcomes of plant-insect interactions. To address the plant metabolites involved in the larval development of a specialist insect, we investigated the development of Chlosyne lacinia caterpillars fed on Heliantheae species (Tithonia diversifolia, Tridax procumbens and Aldama robusta) leaves and determined the chemical profile of plants and insects using a metabolomic approach. By means of LC-MS and GC-MS combined analyses, 51 metabolites were putatively identified in Heliantheae species and C. lacinia caterpillars and frass; these metabolites included flavonoids, sesquiterpene lactones, monoterpenoids, sesquiterpenoids, diterpenes, triterpenes, oxygenated terpene derivatives, steroids and lipid derivatives. The leading discriminant metabolites were diterpenes, which were detected only in A. robusta leaves and insects that were fed on this plant-based diet. Additionally, caterpillars fed on A. robusta leaves took longer to complete their development to the adult phase and exhibited a greater diapause rate. Hence, we hypothesized that diterpenes may be involved in the differential larval development. Our findings shed light on the plant metabolites that play roles in insect development and metabolism, opening new research avenues for integrative studies of insect nutritional ecology. (AU)

Processo FAPESP: 17/17023-4 - Avaliação das repostas induzidas por herbivoria e das interações ecoquímicas entre plantas da família Asteraceae e insetos herbívoros generalista e especialista da tribo Heliantheae utilizando abordagem ecometabolômica
Beneficiário:Marilia Elias Gallon
Linha de fomento: Bolsas no Brasil - Doutorado