Mouthpart Deformity and Developmental Retardation Exposure of Chironomus plumosus (Diptera: Chironomidae) to Tebufenozide

Kwak, Ihn‐Sil; Lee, Wonchoel

doi:10.1007/s00128-005-0829-2

Cited by 18 publications

(5 citation statements)

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“…In laboratory assays, larger percentages than the present study have been observed in control condition. In test control, Hudson and Ciborowski (1996a) observed until 7.4% of deformity for C. salinarius; a very similar result (until 7.3%) was obtained by Arambourou and coworkers (2015) for C. riparius; Kwak and Lee (2005) found 18.2% for C. plumosus, Bonani (2010), when exposing organisms of C. sancticaroli to the test control sediment obtained a mean deformity of 20.2% and 13% at Viveiros (2012). On the other hand, Dornfeld (2006); evaluating the toxicity of cadmium and copper in C. xanthus assays, observed only 2.0% deformity in control larvae.…”

Section: Resultssupporting

confidence: 79%

Frequency of mentum deformity in Chironomus sancticaroli (Diptera: Chironomidae) in a laboratory culture

Silva¹,

Marigo²,

Viveiros³

et al. 2019

Rev. ambiente água

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The midge Chironomus sancticaroli (Diptera: Chironomidae) has been used in ecotoxicological tests because it is sensitive to a variety of inorganic pollutants. Among the parameters used to evaluate the toxicity of a substance is the frequency of mentum deformity, which is part of the oral system of this organism. However, there is still no consensus on the baseline level (percentage) of acceptable deformities in laboratory cultures not exposed to pollutants. The determination of this variable is important to ensure the validity of bioassays and to compare cultures from different research and teaching institutions. Once this value is established, it will also be used to monitor the quality of organisms cultured, since factors such as inbreeding could increase the frequency of mentum deformity. Thus, the objective of this study was to quantify the percentage of mentum deformity in the fourth instar of C. sancticaroli larvae from the culture of the Laboratory of Aquatic Ecosystems, at Embrapa Meio Ambiente. The average frequency of mentum deformity obtained was 6,63%. It is believed that factors such as the renewal of the culture with the inclusion of spawns from the laboratories of other institutions, as well as the control of the quality of the dilution water and the sediment of the breeding may have contributed to a low frequency of mentum deformity of the culture observed in this study.

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Section: Resultssupporting

confidence: 79%

Frequency of mentum deformity in Chironomus sancticaroli (Diptera: Chironomidae) in a laboratory culture

Silva¹,

Marigo²,

Viveiros³

et al. 2019

Rev. ambiente água

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“…The results of the present study are in good agreement with those of other studies which showed that significant increases in the frequency of mouthpart deformities could not be induced in chironomids by exposure to substances like azaarenes, 17 α-ethynylestradiol, lead, mercury and β-sisterol (Bleeker et al 1999;Vermeulen et al 2000a). Additionally, a linear concentration response, which would simplify the quantification of pollutants in sediment or water, has not yet been found (Dias et al 2008;Kwak and Lee 2005;Martinez et al 2001;Martinez et al 2003;Watts et al 2003). As well, it would be very desirable to find a connection between a specific deformity pattern and a special pollutant for the further use of deformities as indicators of water contamination.…”

Section: Discussionmentioning

confidence: 96%

Can mouth part deformities of Chironomus riparius serve as indicators for water and sediment pollution? A laboratory approach

Langer-Jaesrich

Köhler

Gerhardt³

2010

J Soils Sediments

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Purpose The significance of chironomids mouthpart deformities as suitable indicators for pollutant contamination of natural waters and sediments has been investigated and discussed for several decades. Uncertainties still exist as further laboratory studies, with different pollutants and with the same experimental design are required. Materials and methods In this study, the effects of four substances (i.e., nickel chloride, chlorpyrifos, imidacloprid and thiacloprid) were tested on the mouthpart deformity rates and patterns in Chironomus riparius. These compounds were investigated either individually or in mixtures. Results and discussion No significant increase in the frequency of mouthpart deformities was found using different single substance treatments when compared to the controls. Consequently no concentration-effect relationships between substance concentration and deformity frequency were detected. In mixture experiments an increase in mouthpart deformities of C. riparius exposed to imidacloprid-thiacloprid mixtures was detected. This indicated that the effects of single substances and mixtures on mouthpart deformity frequency may differ considerably. Conclusions The findings in this study from different laboratory approaches in combination with the published literature questions the reliability of chironomids mouthpart deformities as indicators of freshwater and sediment contamination by toxic substances.

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“…Given that they are benthic macroinvertebrates, chronomids can also be used for evaluation of sediment and water toxicity (Ibrahim et al, 1998). Indeed, morphological abnormalities have been observed in Chironomus larvae exposed to heavy metals and endocrine disrupting chemicals (Martinez et al, 2001(Martinez et al, , 2003Kwak and Lee, 2005;Park and Kwak, 2008;. Thus, Chironomids are a good aquatic model for assessment of the toxicity of freshwater that has been contaminated with heavy metals.…”

Section: Introductionmentioning

confidence: 99%

Ribosomal protein S3 gene expression of Chironomus riparius under cadmium, copper and lead stress

Park¹

2011

J. Toxicol. Environ. Health Sci.

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Heavy metals are of interest because they are often present at significant levels in the environment and can have severe effects on the aquatic environment. To examine the effects of oxidative stress induced by heavy metals on chironomids, the full-length cDNA of ribosomal protein S3 (RpS3) from Chironomus riparius was determined using molecular cloning. The basal expression of the RpS3 gene was not affected by changes in environmental rearing conditions such as temperature, media, and sediment type. However, RpS3 gene expression in C. riparius increased significantly in response to exposure to cadmium, copper, and lead, regardless of the exposure level. These results suggest that expression of the RpS3 gene, which is associated with the DNA repair process, may be used as an indicator of oxidative stress induced by heavy metals during environmental risk assessment.

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Mouthpart Deformity and Developmental Retardation Exposure of Chironomus plumosus (Diptera: Chironomidae) to Tebufenozide

Cited by 18 publications

References 0 publications

Frequency of mentum deformity in Chironomus sancticaroli (Diptera: Chironomidae) in a laboratory culture

Frequency of mentum deformity in Chironomus sancticaroli (Diptera: Chironomidae) in a laboratory culture

Can mouth part deformities of Chironomus riparius serve as indicators for water and sediment pollution? A laboratory approach

Ribosomal protein S3 gene expression of Chironomus riparius under cadmium, copper and lead stress

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