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Genetic selection of homozygote allozyme genotypes in marine gastropods exposed to cadmium pollution

Research output: Contribution to journalArticlepeer-review

Abstract

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 phosphoglocose isomerase (PGI) tested electrophoretically showed for all five species a statistically significant 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 specific pollutant.

Original languageEnglish
Pages (from-to)91-98
Number of pages8
JournalScience of the Total Environment
Volume57
Issue numberC
DOIs
StatePublished - 1 Dec 1986

Bibliographical note

Funding Information:
We thank Shimeon Simson for field and laboratory assistance and Avigdor Beiles and Rachel Ben-Shlomo for commenting on the manuscript. We wish to extend our deep gratitude for financial support to FAO/UNEP, to the Israel Discount Bank Chair of Evolutionary Biology and to the "Ancell-Teicher Research Foundation for Genetics and Molecular Evolution" established by Florence and Theodore Baumritter of New York.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 14 - Life Below Water
    SDG 14 Life Below Water

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution

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