PMID: 9193894May 1, 1997Paper

Life history evolution in guppies (Poecilia reticulata): guppies as a model for studying the evolutionary biology of aging

Experimental Gerontology
David N Reznick

Abstract

Natural populations of guppies can be found with different communities of predators. We have contrasted the early life history of guppies from high and low predation localities. Life history theory predicts that such differences in mortality pattern will select for evolutionary changes in the guppy's life history. Specifically, guppies in high-predation localities are predicted to mature at an earlier age and devote more of their resources to reproduction. We have demonstrated the predicted differences in life history patterns with experiments and observations on guppies from each type of locality. We have also selected for the predicted changes in the life history by manipulating mortality patterns in natural populations. Theories for the evolution of senescence predict that these same mortality patterns will also select for changes in the rate of aging. Specifically, guppies from high-predation localities should have higher rates of aging than their counterparts from low-predation localities. Experiments that select for changes in the early life history should also select for changes in the rate of aging. The existing work on guppies, therefore, presents the opportunity to use them as a new experimental system for studying th...Continue Reading

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Citations

Jul 1, 1996·Experimental Gerontology·S N Austad
Mar 1, 2002·Mechanisms of Ageing and Development·David ReznickLeonard Nunney
Jun 19, 2001·Experimental Gerontology·V P Skulachev
Sep 6, 2002·Experimental Gerontology·Glenn S GerhardKeith C Cheng
Jul 12, 2003·Experimental Gerontology·Shuji KishiStephanie B Tsai
Jun 18, 2002·Ageing Research Reviews·Kurt Heininger
Jan 13, 2009·Zebrafish·Namita TripathiChristine Dreyer
Dec 4, 2015·Proceedings. Biological Sciences·Thor Harald RingsbyPat Monaghan
Oct 16, 2010·PloS One·E Loys RichardsJoanne Cable
May 8, 2015·Balsaeng'gwa saengsig·LiLi Liu, Ki-Young Lee
Feb 6, 2016·Journal of Evolutionary Biology·E K FischerK L Hoke
Dec 24, 2005·Developmental Dynamics : an Official Publication of the American Association of Anatomists·Ulrike MartynChristine Dreyer
May 16, 2019·Biology Letters·Alexander KotrschalNiclas Kolm
Oct 1, 2014·Behavioral Ecology and Sociobiology·Lauren M PintorAlison M Bell
Jan 23, 2020·Biology Letters·David J MitchellAlexander Kotrschal
Apr 11, 2012·Evolution; International Journal of Organic Evolution·Andrew I FurnessDavid N Reznick
May 3, 2019·Scientific Reports·Nora MitchellKenneth D Whitney
Apr 27, 2002·Annals of the New York Academy of Sciences·Vladimir P Skulachev
Feb 2, 2021·Molecular Ecology·Eva K FischerKim L Hoke
Dec 6, 2012·Biology Open·Bethanie Carney AlmrothHelen Nilsson Sköld

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