{"title":"Effects of both inorganic and organic mercury on the ATPase activity of Westiellopsis prolifica, Janet","authors":"P. Rath, A.K. Panigrahi, B.N. Misra","doi":"10.1016/0143-1471(86)90003-6","DOIUrl":null,"url":null,"abstract":"<div><p>Effects of Emisan-6 (2-methoxy ethyl mercury chloride or MEMC) and mercuric chloride (HgCl<sub>2</sub>) on the ATPase activity of <em>Westiellopsis prolifica</em> were studied. At low concentrations of mercuric chloride the total ATPase (Mg<sup>2+</sup>, Na<sup>+</sup>, K<sup>+</sup>-dependent ATPase) activity decreased in the initial period of exposure, but increased with an increase in exposure time. With both the test materials, the enzyme activity then showed significant enhancement when compared to control values. However, after the 6th day of exposure to Emisan-6, and after the 9th day for HgCl<sub>2</sub>, the level of activity declined with an increase in the period of exposure. When both the exposed cultures were transferred to toxicant-free nutrient medium, a significant recovery was observed, in all cases.</p></div>","PeriodicalId":100483,"journal":{"name":"Environmental Pollution Series A, Ecological and Biological","volume":"42 2","pages":"Pages 143-149"},"PeriodicalIF":0.0000,"publicationDate":"1986-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0143-1471(86)90003-6","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Environmental Pollution Series A, Ecological and Biological","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0143147186900036","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 3
Abstract
Effects of Emisan-6 (2-methoxy ethyl mercury chloride or MEMC) and mercuric chloride (HgCl2) on the ATPase activity of Westiellopsis prolifica were studied. At low concentrations of mercuric chloride the total ATPase (Mg2+, Na+, K+-dependent ATPase) activity decreased in the initial period of exposure, but increased with an increase in exposure time. With both the test materials, the enzyme activity then showed significant enhancement when compared to control values. However, after the 6th day of exposure to Emisan-6, and after the 9th day for HgCl2, the level of activity declined with an increase in the period of exposure. When both the exposed cultures were transferred to toxicant-free nutrient medium, a significant recovery was observed, in all cases.
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