Ecotoxicological evaluation of tributyltin toxicity to the equilateral venus clam, Gomphina veneriformis (Bivalvia: Veneridae)

Park, Kiyun; Kim, Rosa; Park, Jung Jun; Shin, Hyun-Chool; Lee, Jung Sick; Cho, Hyeon Seo; Lee, Yeon Gyu; Kim, Jong-Kyu; Kwak, Ihn‐Sil

doi:10.1016/j.fsi.2011.11.031

Cited by 19 publications

(14 citation statements)

References 65 publications

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“…In the current study, intersexuality began to increase by 12 weeks of exposure, at even the lowest concentration of 0.4 μg L −1 , although a significantly higher frequency occurred for the females than the males. This is in agreement with Park et al (2012), in which a higher ratio of intersexuality of G. veneriformis females was detected, although in this study, lower TBT concentrations and shorter durations induced intersex in males. This difference may be attributed to genetic differences, although more investigations are warranted.…”

Section: Discussionsupporting

confidence: 92%

“…In studies using a histological indicator, testicular tissue or spermatogenesis was observed in female gonadal tissue (Thain 1986;Horiguchi et al 2000;Park et al 2012). In this study, a small amount of testicular tissue which is mainly composed of sperm was observed in female gonadal tissue of G. veneriformis.…”

Section: Discussionmentioning

confidence: 50%

“…In bivalves, numerous previous papers reported on intersexuality, but the results of those paper were about biological responses studies from EDCs contaminants area for environmental assessment (Delgado & Camacho 2002;Hellou et al 2003;Chesman & Langston 2006;Gagné et al 2006;Ortiz-Zarragoitia & Cajaraville 2010;FossiTankoua et al 2012). Intersexuality study by the exposed to TBT single dose was rare (Thain 1986;Park et al 2012). It is likely that altered sex ratios can also have implications to population declines.…”

Section: Discussionmentioning

confidence: 99%

“…Intersexuality was determined based on the definitive presence of male germ cells in females, and oocytes in males. Intersex gonads were determined as either females with male characteristics or males with female characteristics, such as individuals with oocytes along with sperm and spermatocytes from male clams according to Park et al (2012).…”

Section: Histological Analysismentioning

confidence: 99%

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Reproductive impairment and intersexuality inGomphina veneriformis(Bivalvia: Veneridae) by the tributyltin compound

Park

Shin

Hung

et al. 2015

Animal Cells and Systems

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A well-established xenoandrogen, tributyltin (TBT) causes sexual interferences in various animal models including gastropods. In bivalves, the disrupting effects of TBT on reproduction are largely unevaluated. In this study, we carried out a test on reproduction of the bivalve (Gomphina veneriformis) affected by TBT (0.4, 0.6, and 0.8 μg L −1 ). The experimental period was 36 weeks, starting in October during the inactive stage of the clam's reproductive cycle. The sex ratio (F:M) was 1:1.00 in the control group but changed to 1:1.37 in all the exposed groups with 0.8 μg L −1 TBT, leading to significantly higher values in male (1:1.54; P = 0.009). Gonadal maturity (ripe stage frequency) of males in the exposure groups was higher than females. The gonad index (GI) of females significantly decreased when exposed to 0.6 and 0.8 μg L −1 TBT. The prevalence of intersex was significantly different between males and females in all exposure groups, which became significantly different (P < 0.001) after 20 weeks. A high prevalence of intersex (67.80%) was detected in 0.8 μg L −1 after 36 weeks. These results suggest that TBT, a xenoandrogen, may lead to skewed sex ratio toward males, inhibit sexual maturation of the females, and also induce intersex in G. veneriformis as an imposex of gastropods. Therefore, reproductive indicators (sex ratio, gonadal development, and intersexuality) of bivalves may be used as useful bioindicators in monitoring marine pollution by TBT compounds.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 50%

Section: Discussionmentioning

confidence: 99%

Section: Histological Analysismentioning

confidence: 99%

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Reproductive impairment and intersexuality inGomphina veneriformis(Bivalvia: Veneridae) by the tributyltin compound

Park

Shin

Hung

et al. 2015

Animal Cells and Systems

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“…biomagnification) become evident in the 1970s when high concentrations of TBT were detected in micro and macro algae, mollusks, and also in fish, birds and mammals, in particular in the vicinity of ports, marinas, and harbors. The consequences of TBT exposure in exposed organisms include endocrinal changes and reproductive alterations, genotoxicity, histopathology, stunted growth, and immunosuppression, often producing detrimental and irreversible effects on the exposed populations (Kevin et al, 1999;Park et al, 2012;Prime et al, 2006).…”

Section: Biocides In the Antifouling Coatingsmentioning

confidence: 99%

Ecotoxicological risk assessment of antifouling emissions in a cruise ship port

Carić

Klobučar

Štambuk

2016

Journal of Cleaner Production

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Spatial and temporal differences in gonad development, sex ratios and reproductive output, influence the sustainability of exploited populations of the European oyster, Ostrea edulis

Eagling

Ashton

Jensen

et al. 2017

Aquatic Conservation

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The European native oyster, Ostrea edulis, has been in severe decline since the early 1900s across Europe with many fisheries now declared commercially extinct. In light of this broad scale population decline, the UK has listed O. edulis as a threatened species, requiring conservation action under the Biodiversity Action Plan (BAP). In addition to this designation, in Scotland O. edulis beds is a search feature (SF) and a priority marine feature (PMF) for MPA site selection. These sites are also listed as a feature of conservation importance and included on the OSPAR list of threatened/declining species and habitats. Recent studies have identified O. edulis populations with heavily male‐skewed sex ratios, which may have contributed to fisheries decline due to reduced levels of fertilization. This species is a protandrous alternating hermaphrodite and individuals may change sex in response to local conditions. This study aimed to assess how sex ratios vary temporally and if this is correlated with temperature, by studying two exploited populations in Loch Ryan, Scotland and Chichester Harbour, England. This study suggests that the proportion of male phase oysters is positively correlated with water temperature and that the study population in cooler waters had a more balanced sex ratio overall (the Loch Ryan population was significantly similar to 1:1 for 10 of 13 months, whereas in Chichester only 1 of the 7 months was significantly similar). This study provides evidence to suggest that a critical temperature threshold for sex determination exists in O. edulis and for the Loch Ryan population we suggest that this is 16.5°C. However, further work is required to assess how this threshold may change between sites and how future climate change scenarios might affect the sex ratio of native oyster populations.

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Ecotoxicological evaluation of tributyltin toxicity to the equilateral venus clam, Gomphina veneriformis (Bivalvia: Veneridae)

Cited by 19 publications

References 65 publications

Reproductive impairment and intersexuality inGomphina veneriformis(Bivalvia: Veneridae) by the tributyltin compound

Reproductive impairment and intersexuality inGomphina veneriformis(Bivalvia: Veneridae) by the tributyltin compound

Ecotoxicological risk assessment of antifouling emissions in a cruise ship port

Spatial and temporal differences in gonad development, sex ratios and reproductive output, influence the sustainability of exploited populations of the European oyster, Ostrea edulis

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