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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1007/s10646-015-1463-3
|2 doi
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|a eng
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|a Laskowski, Ryszard
|e verfasserin
|4 aut
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| 245 |
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|a Population growth rate and genetic variability of small and large populations of Red flour beetle (Tribolium castaneum) following multigenerational exposure to copper
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|c 2015
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a Date Completed 29.02.2016
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a We reared large (1000 individuals) and small (20 individuals) populations of Tribolium castaneum on diet contaminated with copper in order to determine if the size of a population affects its ability to adapt to adverse environmental conditions. After 10 generations, we used microsatellite markers to estimate and subsequently compare the genetic variability of the copper-treated populations with that of the control populations, which were reared on uncontaminated medium. Additionally, we conducted a full cross-factorial experiment which evaluated the effects of 10 generations of "pre-exposure" to copper on a population's fitness in control and copper-contaminated environments. In order to distinguish results potentially arising from genetic adaptation from those due to non-genetic effects associated to parental exposure to copper, we subjected also F11 generation, originating from parents not exposed to copper, to the same cross-factorial experiment. The effects of long-term exposure to copper depended on population size: the growth rates of small populations that were pre-exposed to copper were inhibited compared to those of small populations reared in uncontaminated environments. Large Cu-exposed populations had a higher growth rate in the F10 generation compared to the control groups, while the growth rate of the F11 generation was unaffected by copper exposure history. The only factor that had a significant effect on genetic variability was population size, but this was to be expected given the large difference in the number of individuals between large and small populations. Neither copper contamination nor its interaction with population size affected the number of microsatellite alleles retained in the F10 generation
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Copper
|2 NLM
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|a 789U1901C5
|2 NLM
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| 700 |
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|a Radwan, Jacek
|e verfasserin
|4 aut
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|a Kuduk, Katarzyna
|e verfasserin
|4 aut
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| 700 |
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|a Mendrok, Magdalena
|e verfasserin
|4 aut
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| 700 |
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|a Kramarz, Paulina
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Ecotoxicology (London, England)
|d 1992
|g 24(2015), 5 vom: 03. Juli, Seite 1162-70
|w (DE-627)NLM098212214
|x 1573-3017
|7 nnns
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| 773 |
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|g volume:24
|g year:2015
|g number:5
|g day:03
|g month:07
|g pages:1162-70
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|u http://dx.doi.org/10.1007/s10646-015-1463-3
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