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Reproductive Status Modulates Mortality Rate, Lifespan and Egg Production, but Do Not the Physiological Aging in the Field Cricket Gryllus assimilis (Fabricius, 1775) (Orthoptera: Gryllidae).
Limberger, Guilherme Martins; Nery, Luiz Eduardo Maia; Fonseca, Duane Barros da.
Afiliação
  • Limberger GM; Programa de Pós-graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Univ Federal do Rio Grande - FURG, Rio Grande, RS, Brazil. guilhermelimberger@gmail.com.
  • Nery LEM; Programa de Pós-graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Univ Federal do Rio Grande - FURG, Rio Grande, RS, Brazil.
  • Fonseca DBD; Instituto de Ciências Biológicas, Univ Federal do Rio Grande - FURG, Rio Grande, Brazil.
Neotrop Entomol ; 50(2): 237-246, 2021 Apr.
Article em En | MEDLINE | ID: mdl-33594663
The effects of reproduction are variable among insects, as well as the time of mate. In animals, a trade-off is usually observed between reproduction and self-maintenance, mostly in females because of egg producing costs. In the present investigation, manifestations of aging and senescence at population and cellular levels were studied associated with the mating opportunities. The main goal of this study was to evaluate the effect of mating on lifespan and also on the physiological aging in adult Jamaican field cricket females, Gryllus assimilis (Fabricius, 1775). Three experimental groups were set: virgin, normal-mated (14 days old), and late-mated (30 days old) insects. Lifespan, age-specific mortality rate, number of eggs laid, and in situ amount of the age-pigment neurolipofuscin were quantified. Results showed a trade-off between reproductive females and lifespan, with the strongest effects found in late-mated. Age-specific mortality showed a faster increase for late-mated females from 35 to 50 days old, followed by normal-mated females (35 to 60 days old). Virgins had the lowest age-specific mortality of all, increasing just from 65 to 73 days old. Normal-mated had the highest number of eggs laid, followed by late-mated and virgins, respectively. Neurolipofuscin accumulation rate was similar among groups, which was reflected in similar physiological rate of aging. Results indicate that reproductive status did affect the life-history of these field cricket females.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Gryllidae / Envelhecimento Limite: Animals Idioma: En Revista: Neotrop Entomol Assunto da revista: BIOLOGIA Ano de publicação: 2021 Tipo de documento: Article País de afiliação: Brasil País de publicação: Holanda
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Gryllidae / Envelhecimento Limite: Animals Idioma: En Revista: Neotrop Entomol Assunto da revista: BIOLOGIA Ano de publicação: 2021 Tipo de documento: Article País de afiliação: Brasil País de publicação: Holanda