Modeling the effects of Aedes aegypti's larval environment on adult body mass at emergence.

Mosquitoes vector harmful pathogens that infect millions of people every year, and developing approaches to effectively control mosquitoes is a topic of great interest. However, the success of many control measures is highly dependent upon ecological, physiological, and life history traits of mosqui...

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Autores principales:	Melody Walker, Karthikeyan Chandrasegaran, Clément Vinauger, Michael A Robert, Lauren M Childs
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/f63ed70f41c84bfdace9971f40287b78
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spelling	oai:doaj.org-article:f63ed70f41c84bfdace9971f40287b782021-12-02T19:58:11ZModeling the effects of Aedes aegypti's larval environment on adult body mass at emergence.1553-734X1553-735810.1371/journal.pcbi.1009102https://doaj.org/article/f63ed70f41c84bfdace9971f40287b782021-11-01T00:00:00Zhttps://doi.org/10.1371/journal.pcbi.1009102https://doaj.org/toc/1553-734Xhttps://doaj.org/toc/1553-7358Mosquitoes vector harmful pathogens that infect millions of people every year, and developing approaches to effectively control mosquitoes is a topic of great interest. However, the success of many control measures is highly dependent upon ecological, physiological, and life history traits of mosquito species. The behavior of mosquitoes and their potential to vector pathogens can also be impacted by these traits. One trait of interest is mosquito body mass, which depends upon many factors associated with the environment in which juvenile mosquitoes develop. Our experiments examined the impact of larval density on the body mass of Aedes aegypti mosquitoes, which are important vectors of dengue, Zika, yellow fever, and other pathogens. To investigate the interactions between the larval environment and mosquito body mass, we built a discrete time mathematical model that incorporates body mass, larval density, and food availability and fit the model to our experimental data. We considered three categories of model complexity informed by data, and selected the best model within each category using Akaike's Information Criterion. We found that the larval environment is an important determinant of the body mass of mosquitoes upon emergence. Furthermore, we found that larval density has greater impact on body mass of adults at emergence than on development time, and that inclusion of density dependence in the survival of female aquatic stages in models is important. We discuss the implications of our results for the control of Aedes mosquitoes and on their potential to spread disease.Melody WalkerKarthikeyan ChandrasegaranClément VinaugerMichael A RobertLauren M ChildsPublic Library of Science (PLoS)articleBiology (General)QH301-705.5ENPLoS Computational Biology, Vol 17, Iss 11, p e1009102 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Biology (General) QH301-705.5
spellingShingle	Biology (General) QH301-705.5 Melody Walker Karthikeyan Chandrasegaran Clément Vinauger Michael A Robert Lauren M Childs Modeling the effects of Aedes aegypti's larval environment on adult body mass at emergence.
description	Mosquitoes vector harmful pathogens that infect millions of people every year, and developing approaches to effectively control mosquitoes is a topic of great interest. However, the success of many control measures is highly dependent upon ecological, physiological, and life history traits of mosquito species. The behavior of mosquitoes and their potential to vector pathogens can also be impacted by these traits. One trait of interest is mosquito body mass, which depends upon many factors associated with the environment in which juvenile mosquitoes develop. Our experiments examined the impact of larval density on the body mass of Aedes aegypti mosquitoes, which are important vectors of dengue, Zika, yellow fever, and other pathogens. To investigate the interactions between the larval environment and mosquito body mass, we built a discrete time mathematical model that incorporates body mass, larval density, and food availability and fit the model to our experimental data. We considered three categories of model complexity informed by data, and selected the best model within each category using Akaike's Information Criterion. We found that the larval environment is an important determinant of the body mass of mosquitoes upon emergence. Furthermore, we found that larval density has greater impact on body mass of adults at emergence than on development time, and that inclusion of density dependence in the survival of female aquatic stages in models is important. We discuss the implications of our results for the control of Aedes mosquitoes and on their potential to spread disease.
format	article
author	Melody Walker Karthikeyan Chandrasegaran Clément Vinauger Michael A Robert Lauren M Childs
author_facet	Melody Walker Karthikeyan Chandrasegaran Clément Vinauger Michael A Robert Lauren M Childs
author_sort	Melody Walker
title	Modeling the effects of Aedes aegypti's larval environment on adult body mass at emergence.
title_short	Modeling the effects of Aedes aegypti's larval environment on adult body mass at emergence.
title_full	Modeling the effects of Aedes aegypti's larval environment on adult body mass at emergence.
title_fullStr	Modeling the effects of Aedes aegypti's larval environment on adult body mass at emergence.
title_full_unstemmed	Modeling the effects of Aedes aegypti's larval environment on adult body mass at emergence.
title_sort	modeling the effects of aedes aegypti's larval environment on adult body mass at emergence.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/f63ed70f41c84bfdace9971f40287b78
work_keys_str_mv	AT melodywalker modelingtheeffectsofaedesaegyptislarvalenvironmentonadultbodymassatemergence AT karthikeyanchandrasegaran modelingtheeffectsofaedesaegyptislarvalenvironmentonadultbodymassatemergence AT clementvinauger modelingtheeffectsofaedesaegyptislarvalenvironmentonadultbodymassatemergence AT michaelarobert modelingtheeffectsofaedesaegyptislarvalenvironmentonadultbodymassatemergence AT laurenmchilds modelingtheeffectsofaedesaegyptislarvalenvironmentonadultbodymassatemergence
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Modeling the effects of Aedes aegypti's larval environment on adult body mass at emergence.

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