2020
DOI: 10.1016/j.ecoenv.2020.110357
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Consequences of trace metal cocktail exposure in zebra finch (Taeniopygia guttata) and effect of calcium supplementation

Abstract: Trace metal elements are significant stressors in urban areas. Their harmful effects on physiological parameters are demonstrated, but current laboratory studies are not representative of wild chronic exposure to a trace metal cocktail. Calcium can reduce the accumulation and toxicity of several metals, but soil acidification in cities leads to a decrease in bioavailability of this mineral. The objective of this study was to investigate the accumulation and toxicity of a trace metal cocktail representative of … Show more

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Cited by 15 publications
(6 citation statements)
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“…In humans, the shortening effect of ethanol appears to be mediated by oxidative stress ( Figure 2 ), mainly induced by alcohol dehydrogenase [ 69 , 71 ]. Nevertheless, zebra finches exposed to trace metal elements exhibit decreased TL with no change in oxidative stress [ 72 ]. Overall, the effect of chemical stress on TL varies depending upon the nature of the chemical, the mode and duration of exposure and the organism exposed.…”
Section: Telomere Response To Stressmentioning
confidence: 99%
“…In humans, the shortening effect of ethanol appears to be mediated by oxidative stress ( Figure 2 ), mainly induced by alcohol dehydrogenase [ 69 , 71 ]. Nevertheless, zebra finches exposed to trace metal elements exhibit decreased TL with no change in oxidative stress [ 72 ]. Overall, the effect of chemical stress on TL varies depending upon the nature of the chemical, the mode and duration of exposure and the organism exposed.…”
Section: Telomere Response To Stressmentioning
confidence: 99%
“…Telomeres are repeated DNA sequences at the end of chromosomes that play a key role in maintaining genome integrity (Gomes, Shay, & Wright, 2010). Telomere length can shorten over time in response to both cell division and stressors (including environmental stressors, psychosocial stressors or poor early life conditions) (Boonekamp, Mulder, Salomons, Dijkstra, & Verhulst, 2014; Chatelin, Drobniak, & Szulkin, 2019; Hanssen, Schutte, Malouff, & Epel, 2017; Levy, Allsopp, Futcher, Greider, & Harley, 1992; Noguera & Velando, 2019; Tomiyama et al., 2012; Saulnier et al., 2020; but see Cerchiara et al., 2017). As a consequence, telomere lengths and their dynamics have been related to individual health and stress at a proximate level (Verhulst et al., 2016) and to fitness outcomes at various life history stages (Bauch, Becker, & Verhulst, 2013; Bize, Criscuolo, Metcalfe, Nasir, & Monaghan, 2009; Heidinger et al., 2012; Salomons et al., 2009).…”
Section: Introductionmentioning
confidence: 99%
“…Selection of toxic elements was based on earlier information on the emission profile of the smelter [35,37]. Calcium was included because it interacts with toxic metals, and therefore it is often measured together with the other metals [46,47]. These concentrations were first log 10 transformed to make them better conform to normal distribution, which was confirmed by visual inspection of histograms.…”
Section: Statisticsmentioning
confidence: 99%