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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1007/s10646-022-02588-6
|2 doi
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|a pubmed24n1156.xml
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|a (DE-627)NLM346890500
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|a (NLM)36173496
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Pompka, Anna
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Starvation and cadmium affect energy reserves and oxidative stress in individuals of Spodoptera exigua
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 15.11.2022
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|a Date Revised 16.11.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2022. The Author(s).
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|a Different factors, such as starvation and metal exposure, may affect development and cause oxidative stress in insects. Some host plants may contain a high concentration of cadmium due to their hyperaccumulating property. The negative effects of metals and hunger may be manifested by low availability of energetic substrates. This study aimed to assess whether the insect population with a history of long metal exposure may better manage metal stress or/and starvation at different developmental stages, with the use of energetic substrates. Two strains of Spodoptera exigua model organism were tested: control strain and cadmium strain (treated continuously for over 200 generations with subtoxic amounts of cadmium). The effects of different factors, individually and in combination, on the tested strains were assessed, first by determining the body weight of larvae and pupae and then by estimating the concentration of biomolecules (proteins, carbohydrates, lipids, or glycogen) in the 4th and 5th larval stages and in pupae, and the total antioxidant capacity and lipid peroxidation level in the 4th larval stage. Compared to control strain, cadmium strain individuals exhibited changes in the concentration of soluble carbohydrates and protein. This was partly related to earlier 1-day starvation. In particular, changes in carbohydrate concentration seemed to be a sensitive biomarker of metal stress, independent of the age of individuals and period of starvation. However, the increase in the total antioxidant capacity and the concentration of lipid peroxidation products in the 4th larval stage under the effect of cadmium was dependent on strain origin
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|a Journal Article
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|a Energy biomolecules
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|a Free radicals
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| 650 |
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|a Herbivore insect
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| 650 |
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|a Metal
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| 650 |
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4 |
|a Starvation
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| 650 |
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7 |
|a Cadmium
|2 NLM
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| 650 |
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7 |
|a 00BH33GNGH
|2 NLM
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| 650 |
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|a Antioxidants
|2 NLM
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| 650 |
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|a Carbohydrates
|2 NLM
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| 700 |
1 |
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|a Szulińska, Elżbieta
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kafel, Alina
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Ecotoxicology (London, England)
|d 1992
|g 31(2022), 9 vom: 29. Nov., Seite 1346-1355
|w (DE-627)NLM098212214
|x 1573-3017
|7 nnns
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| 773 |
1 |
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|g volume:31
|g year:2022
|g number:9
|g day:29
|g month:11
|g pages:1346-1355
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|u http://dx.doi.org/10.1007/s10646-022-02588-6
|3 Volltext
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