Morphological alterations in the freshwater rotifer Brachionus calyciflorus Pallas 1766 (Rotifera : Monogononta) caused by vinclozolin chronic exposure

Vinclozolin (VZ) is a dicarboximide fungicide widely used on fruits, vegetables and wines, effective against fungi plagues. In this study we characterized the effects of VZ using a 4-day reproductive chronic assay with the freshwater rotifer Brachionus calyciflorus. The assay included observations o...

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Veröffentlicht in:Ecotoxicology (London, England). - 1992. - 24(2015), 4 vom: 28. Mai, Seite 915-25
1. Verfasser: Alvarado-Flores, Jesús (VerfasserIn)
Weitere Verfasser: Rico-Martínez, Roberto, Adabache-Ortíz, Araceli, Silva-Briano, Marcelo
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Ecotoxicology (London, England)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Endocrine Disruptors Fungicides, Industrial Oxazoles Water Pollutants, Chemical vinclozolin JJ258EZN1I
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520 |a Vinclozolin (VZ) is a dicarboximide fungicide widely used on fruits, vegetables and wines, effective against fungi plagues. In this study we characterized the effects of VZ using a 4-day reproductive chronic assay with the freshwater rotifer Brachionus calyciflorus. The assay included observations of several features of asexual and sexual reproduction. Our results indicate that VZ: (a) increased asexual and sexual reproduction, (b) caused severe abnormality in females and (c) these abnormalities were inherited by sexual and asexual reproduction. At 1.2 mg/L three abnormal females were found out of 457 total females (0.66 %). This low percentage is consistent and reproducible according to further analysis, where we increased the number of replicates and total females exposed to 1.2 mg/L of VZ, and found 18 abnormal females out of 2868 total females (0.63 % abnormality). Interestingly, abnormal females found at 5.6 mg/L VZ exposure, were able to show mating behavior. Our results suggest that VZ behaves as a strong endocrine disruptor whose effects show the characteristic inverted-U-shape exposure concentration response curve regarding the intrinsic population increase and the percentage of abnormalities as endpoints 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 7 |a Endocrine Disruptors  |2 NLM 
650 7 |a Fungicides, Industrial  |2 NLM 
650 7 |a Oxazoles  |2 NLM 
650 7 |a Water Pollutants, Chemical  |2 NLM 
650 7 |a vinclozolin  |2 NLM 
650 7 |a JJ258EZN1I  |2 NLM 
700 1 |a Rico-Martínez, Roberto  |e verfasserin  |4 aut 
700 1 |a Adabache-Ortíz, Araceli  |e verfasserin  |4 aut 
700 1 |a Silva-Briano, Marcelo  |e verfasserin  |4 aut 
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