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Parental and offspring larval diets interact to influence life-history traits and infection with dengue virus in Aedes aegypti

The environmental conditions experienced by parents can influence offspring phenotype along with the conditions experienced by offspring. These parental effects are clear in organisms that display parental care and are less clear in other organisms. Here, we consider effects of parental and offsprin...

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Autores principales: Zirbel, Kylie, Eastmond, Bradley, Alto, Barry W.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Royal Society Publishing 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6083674/
https://www.ncbi.nlm.nih.gov/pubmed/30109101
http://dx.doi.org/10.1098/rsos.180539
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author Zirbel, Kylie
Eastmond, Bradley
Alto, Barry W.
author_facet Zirbel, Kylie
Eastmond, Bradley
Alto, Barry W.
author_sort Zirbel, Kylie
collection PubMed
description The environmental conditions experienced by parents can influence offspring phenotype along with the conditions experienced by offspring. These parental effects are clear in organisms that display parental care and are less clear in other organisms. Here, we consider effects of parental and offspring larval nutrition on offspring development time, survivorship and infection with dengue virus in Aedes aegypti, the mosquito vector of dengue, chikungunya, yellow fever and Zika. Parents were raised on either high or low larval detritus inputs with subsequent offspring being divided into two groups, one receiving high nutrients and the other low. Low nutrient females from low nutrient parents (LL) developed significantly slower than those from high nutrient parents (HL). Females from all parent by offspring nutrient treatment groups were equally likely to become infected with dengue virus at 24 h, 3 days and 14 days. After 14 days, high nutrient females from low nutrient parents (LH) had 11 times higher viral titres and more disseminated infections than high nutrient females from high nutrient parents (HH). These results suggest that carry-over environmental stress from the parental generation can influence life histories and arbovirus infection in Ae. aegypti females. We found males to be robust to the life-history parameters measured, suggesting sex-specific differences which may relate to their lower nutrient requirements for metamorphosis.
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spelling pubmed-60836742018-08-14 Parental and offspring larval diets interact to influence life-history traits and infection with dengue virus in Aedes aegypti Zirbel, Kylie Eastmond, Bradley Alto, Barry W. R Soc Open Sci Biology (Whole Organism) The environmental conditions experienced by parents can influence offspring phenotype along with the conditions experienced by offspring. These parental effects are clear in organisms that display parental care and are less clear in other organisms. Here, we consider effects of parental and offspring larval nutrition on offspring development time, survivorship and infection with dengue virus in Aedes aegypti, the mosquito vector of dengue, chikungunya, yellow fever and Zika. Parents were raised on either high or low larval detritus inputs with subsequent offspring being divided into two groups, one receiving high nutrients and the other low. Low nutrient females from low nutrient parents (LL) developed significantly slower than those from high nutrient parents (HL). Females from all parent by offspring nutrient treatment groups were equally likely to become infected with dengue virus at 24 h, 3 days and 14 days. After 14 days, high nutrient females from low nutrient parents (LH) had 11 times higher viral titres and more disseminated infections than high nutrient females from high nutrient parents (HH). These results suggest that carry-over environmental stress from the parental generation can influence life histories and arbovirus infection in Ae. aegypti females. We found males to be robust to the life-history parameters measured, suggesting sex-specific differences which may relate to their lower nutrient requirements for metamorphosis. The Royal Society Publishing 2018-07-18 /pmc/articles/PMC6083674/ /pubmed/30109101 http://dx.doi.org/10.1098/rsos.180539 Text en © 2018 The Authors. http://creativecommons.org/licenses/by/4.0/ Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.
spellingShingle Biology (Whole Organism)
Zirbel, Kylie
Eastmond, Bradley
Alto, Barry W.
Parental and offspring larval diets interact to influence life-history traits and infection with dengue virus in Aedes aegypti
title Parental and offspring larval diets interact to influence life-history traits and infection with dengue virus in Aedes aegypti
title_full Parental and offspring larval diets interact to influence life-history traits and infection with dengue virus in Aedes aegypti
title_fullStr Parental and offspring larval diets interact to influence life-history traits and infection with dengue virus in Aedes aegypti
title_full_unstemmed Parental and offspring larval diets interact to influence life-history traits and infection with dengue virus in Aedes aegypti
title_short Parental and offspring larval diets interact to influence life-history traits and infection with dengue virus in Aedes aegypti
title_sort parental and offspring larval diets interact to influence life-history traits and infection with dengue virus in aedes aegypti
topic Biology (Whole Organism)
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6083674/
https://www.ncbi.nlm.nih.gov/pubmed/30109101
http://dx.doi.org/10.1098/rsos.180539
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