GENETIC SELECTION OF HOMOZYGOTE ALLOZYME GENOTYPES IN MARINE GASTROPODS EXPOSED TO CADMIUM POLLUTION

被引：48

作者：

LAVIE, B

NEVO, E

机构：

[1] Univ of Haifa, Haifa, Isr, Univ of Haifa, Haifa, Isr

来源：

SCIENCE OF THE TOTAL ENVIRONMENT | 1986年 / 57卷

关键词：

BIOCHEMISTRY - MARINE BIOLOGY - WATER POLLUTION - Marine Pollution;

D O I：

10.1016/0048-9697(86)90013-6

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Five species of marine gastropods (Monodonta turbinata, M. turbiformis, Cerithium scabridum, Littorina punctata and L. neritoides) were exposed to cadmium in the laboratory. The enzyme phosphoglucose isomerase (PGI) tested electrophoretically showed for all five species a statistically signficant higher proportion of heterozygotes among the dead animals than among the survivors in the range of concentration tested. This pattern seems to have been established by natural selection. Further, it could be used in developing biological monitors of present and past cadmium pollution based on the genetic response of natural populations to this species pollutant.

引用

页码：91 / 98

页数：8

共 30 条

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