Cross tolerance in beet armyworm : long-term selection by cadmium broadens tolerance to other stressors

Long lasting exposure of animals to stressing factor may lead to the selection of population able to cope with the stressor at lower cost than unexposed individuals. The aim of this study was to assess whether 130-generational selection of a beet armyworm to cadmium in food might have induced tolera...

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Veröffentlicht in:Ecotoxicology (London, England). - 1992. - 26(2017), 10 vom: 23. Dez., Seite 1408-1418
1. Verfasser: Augustyniak, Maria (VerfasserIn)
Weitere Verfasser: Tarnawska, Monika, Babczyńska, Agnieszka, Kafel, Alina, Zawisza-Raszka, Agnieszka, Adamek, Bogumiła, Płachetka-Bożek, Anna
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Ecotoxicology (London, England)
Schlagworte:Journal Article ATP content and ADP/ATP ratio Cadmium DNA damage HSP70 Spodoptera exigua HSP70 Heat-Shock Proteins Soil Pollutants 00BH33GNGH
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520 |a Long lasting exposure of animals to stressing factor may lead to the selection of population able to cope with the stressor at lower cost than unexposed individuals. The aim of this study was to assess whether 130-generational selection of a beet armyworm to cadmium in food might have induced tolerance also to other stressors. The potential tolerance was assessed by means of unspecific stress markers: HSP70 concentration, DNA damage level, and energy budget indices in L5 larval instars of beet armyworm. The animals originated from Cd-exposed and control strains exposed additionally in a short-term experiment to high/low temperature or pesticide-spinosad. The application of the additional stressors caused, in general, an increase in the levels of studied parameters, in a strain-dependent manner. The most significant increase was found in HSP70 level in the individuals from the Cd-strain exposed to various spinosad concentration. Therefore, multigenerational contact with cadmium caused several changes that enable the insect to survive under a chronic stress, preparing the organism to the contact with an additional, new stressor. This relationship may be described as a sort of cross tolerance. This may, possibly, increase the probability of population survivorship and, at the same time, decrease the efficiency of pesticide-based plant protection efforts 
650 4 |a Journal Article 
650 4 |a ATP content and ADP/ATP ratio 
650 4 |a Cadmium 
650 4 |a DNA damage 
650 4 |a HSP70 
650 4 |a Spodoptera exigua 
650 7 |a HSP70 Heat-Shock Proteins  |2 NLM 
650 7 |a Soil Pollutants  |2 NLM 
650 7 |a Cadmium  |2 NLM 
650 7 |a 00BH33GNGH  |2 NLM 
700 1 |a Tarnawska, Monika  |e verfasserin  |4 aut 
700 1 |a Babczyńska, Agnieszka  |e verfasserin  |4 aut 
700 1 |a Kafel, Alina  |e verfasserin  |4 aut 
700 1 |a Zawisza-Raszka, Agnieszka  |e verfasserin  |4 aut 
700 1 |a Adamek, Bogumiła  |e verfasserin  |4 aut 
700 1 |a Płachetka-Bożek, Anna  |e verfasserin  |4 aut 
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773 1 8 |g volume:26  |g year:2017  |g number:10  |g day:23  |g month:12  |g pages:1408-1418 
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