Application of different test systems and biochemical indicators for environmental monitoring of the Troitsa Bay, Sea of Japan

Application of different test systems and biochemical indicators for environmental monitoring of... The DNase express test system and the SF-bioassay (sea urchin sperm fertilization bioassay) were used to assess the quality of sea and bottom sediment water sampled at 8 stations of the Troitsa Bay (Possyet Bay, Sea of Japan). The specific activities of 8 enzymes (alkaline and acid DNases, RNases, phosphatases and phosphodiesterases) were determined for the liver and gill tissues of the mussel Crenomytilus grayanus sampled at the same stations. The activities of all enzymes were higher in the liver than in the gills, and the activity of acid nucleases in both tissues was significantly higher than that of alkaline nucleases. The specific activities of some nucleases in the mussel tissues correlated to the level of seawater pollution. The activities of acid RNases and phosphodiesterases decreased in both tissues upon an increase in water pollution, up to 1.5–3 times in the gills, while the activities of alkaline and acid phosphatases and phosphodiesterases increased 1.5–4 times. Thus, the specific activities of acid RNases, phosphatases and phosphodiesterases from mussel liver can be a useful indicator of marine pollution. This approach can be used for biotesting of ocean water and for assessment of the biological condition of invertebrates adapting to various ecological and anthropogenic effects. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Marine Biology Springer Journals

Application of different test systems and biochemical indicators for environmental monitoring of the Troitsa Bay, Sea of Japan

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2007 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Freshwater & Marine Ecology
ISSN
1063-0740
eISSN
1608-3377
D.O.I.
10.1134/S106307400702006X
Publisher site
See Article on Publisher Site

Abstract

The DNase express test system and the SF-bioassay (sea urchin sperm fertilization bioassay) were used to assess the quality of sea and bottom sediment water sampled at 8 stations of the Troitsa Bay (Possyet Bay, Sea of Japan). The specific activities of 8 enzymes (alkaline and acid DNases, RNases, phosphatases and phosphodiesterases) were determined for the liver and gill tissues of the mussel Crenomytilus grayanus sampled at the same stations. The activities of all enzymes were higher in the liver than in the gills, and the activity of acid nucleases in both tissues was significantly higher than that of alkaline nucleases. The specific activities of some nucleases in the mussel tissues correlated to the level of seawater pollution. The activities of acid RNases and phosphodiesterases decreased in both tissues upon an increase in water pollution, up to 1.5–3 times in the gills, while the activities of alkaline and acid phosphatases and phosphodiesterases increased 1.5–4 times. Thus, the specific activities of acid RNases, phosphatases and phosphodiesterases from mussel liver can be a useful indicator of marine pollution. This approach can be used for biotesting of ocean water and for assessment of the biological condition of invertebrates adapting to various ecological and anthropogenic effects.

Journal

Russian Journal of Marine BiologySpringer Journals

Published: May 10, 2007

References

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