Temperature and genotypic effects on life history and fluctuating asymmetry in a field strain of Culex pipiens

Heredity
M MphoG J Holloway

Abstract

Fluctuating asymmetry (FA) has been proposed as a tool to measure levels of stress experienced by populations of organisms during development. To be of value as a bio-marker to highlight conditions at particular sites, it is important that variation in FA is due to environmental (eg pollution) variation and not genetic variation among populations and families, in other words heritability for FA should be very close to zero. A full-sib design was set up in which families of Culex pipiens mosquitoes collected from the field were reared at three different developmental temperatures. The effects of temperature and family on developmental rate, egg to adult survival and four wing morphological measures were assessed. There was both a temperature and a family effect on development rate and survival. Temperature affected all four wing traits, but an influence of family was only evident in two of the wing traits. Two separate measures of FA for each of the wing traits were obtained. The mean estimates of FA were mainly around 1% of the value of the character measured. There was evidence of an increase in FA with increase in temperature stress. Heritability was estimated for the wing traits and wing trait FA's using restricted estimatio...Continue Reading

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Citations

May 17, 2006·Trends in Ecology & Evolution·Heather M FergusonBart G J Knols
May 8, 2004·Proceedings. Biological Sciences·Marjorie J WonhamMark A Lewis
Jul 21, 2012·Journal of Economic Entomology·Joanna K KonopkaJeremy N McNeil
Mar 13, 2014·Journal of Medical Entomology·Alexander T CiotaLaura D Kramer
Jun 4, 2008·Origins of Life and Evolution of the Biosphere : the Journal of the International Society for the Study of the Origin of Life·Béla BarabásGyula Pályi
Nov 7, 2019·Viruses·Alexander T Ciota, Alexander C Keyel
Apr 19, 2017·Bulletin of Entomological Research·V PetersenL Suesdek
Dec 23, 2006·Environmental Health Perspectives·Elsa CasimiroSari Kovats
May 25, 2021·The Journal of Experimental Biology·Natalie R EpsteinMatthew L Aardema
May 23, 2021·Zoology : Analysis of Complex Systems, ZACS·Giulia SimbulaAntigoni Kaliontzopoulou
Jul 25, 2021·International Journal of Environmental Research and Public Health·Thomas P AgyekumJulius N Fobil

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