Evaluation of erythrocyte 5-aminolevulinic acid dehydratase activity in the blood of crucian carp, Carassius auratus langsdorfii, as an indicator in fish of water lead pollution

Hisaki Nakagawa, Toshihiro Tajima, Tsutomu Sato, Midori Watanabe

Research output: Contribution to journalReview article

4 Citations (Scopus)

Abstract

The activity of 5-aminolevulinic acid dehydratase (ALA-D) in the blood of crucian carp, Carassius auratus langsdorfii, was measured under a variety of lead exposure conditions. A three-week exposure of crucian carp to water lead concentrations of 3, 10, and 30 ppb inhibited their ALA-D activities with increasing water lead concentrations. When crucian carp were exposed to a water lead concentration of 30 ppb, depressed activity of ALA-D became visible after two days, and this activity became even more depressed with increasing exposure periods. The ALA-D activity of crucian carp after the fish were transferred from a water lead concentration of 100 ppb (two weeks of exposure) to lead-free water recovered to only 40% of the value seen in the fish at the beginning of the exposure test, even after four weeks. Therefore, these characteristics concerning ALA-D in crucian carp blood indicate that this enzyme is useful as an indicator of lead pollution in fresh water.

Original languageEnglish
Pages (from-to)205-213
Number of pages9
JournalJournal of the Faculty of Agriculture, Kyushu University
Volume41
Issue number3-4
Publication statusPublished - Mar 1 1997

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Agronomy and Crop Science

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