Alterations of biochemical parameters in malformed Indian rice frogs, Rana limnocharis from Southern Taiwan

Yuh Wen Chiu, Shu Yin Wang, Jui Pin Wu, Da Ji Huang

研究成果: Article同行評審

1 引文 斯高帕斯(Scopus)

摘要

The purpose of this study is to investigate the factors that cause malformed frogs in upstream Kaoping river (KP site) and Tungkang river (T site) of Southern Taiwan. In this experiment, the activities of monooxygenase (MO), glutathione-S-transferase (GST), acetylcholinesterase (AchE) as well as the concentration of vitellogenin (Vg) in the liver were measured. Results show that activities of MO, GST and AchE, and Vg levels in normal frogs (male/female) were 0.09±0.02/0.09±0.01 ΔA min-1 mg-1 protein, 0.12±0.04/0.13±0.04ΔA min-1 mg -1 protein, 6.13±2.69/6.01±2.09 U mg-1 protein and 0.87±0.42/2.18±0.50 μg mg-1 protein, respectively. Activities of MO, GST and AchE, and Vg levels in malformed frogs (male/female) were 0.15±0.04/0.21±0.07ΔA min-1 mg-1 protein, 0.27±0.08/0.30±0.12ΔA min -1 mg-1 protein, 4.59±2.71/5.19±3.74 U mg-1 protein and 1.46±0.61/3.15±0.88μg mg -1 protein, respectively in KP site, and were 0.16±0.69/0. 18±0.07ΔA min-1 mg-1 protein, 0.21±0.07/0.24±0.08ΔA min-1 mg-1 protein, 5.13±4.58/3.94±1.33 U mg-1 protein and 2.23±1.47/4.11±1.63 μg mg-1 protein, respectively in T site. These results indicate that male and female malformed frogs in both rivers upstream are found with higher activities. No significant difference in AchE activity was found between normal and malformed frogs in this investigation. It is therefore reasonable to speculate that the organic chemicals released from agricultural activities are presumable the main factors that lead to the malformation of frogs.

原文English
頁(從 - 到)807-812
頁數6
期刊Journal of Environmental Biology
32
發行號6
出版狀態Published - 2011 十一月

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Toxicology
  • Health, Toxicology and Mutagenesis

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