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Title: Allozyme genotype in mosquitofish, Gambusia holbrooki, during mercury exposure: Temporal stability, concentration effects and field verification

Abstract

Genotype frequencies at nine enzyme loci were examined in a population of mosquito fish, Gambusia holbrooki, during acute inorganic mercury exposure at three concentration. Genotype at one locus, glucose phosphate isomerase-2 (Gpi-2), was correlated with time to death (TTD) at the low mercury concentration, but genotypes at none of the nine loci were related to TTD at the medium or the high mercury concentration. A survey of mosquitofish from a mercury-contaminated canal was undertaken to determine if the results of laboratory exposures could be used to predict accurately the genetic profile of mercury-contaminated field populations. Mosquitofish collected from the contaminated canal had a significantly lower frequency of the Gpi-2[sup 38] allele than mosquitofish collected from the adjacent noncontaminated river. The Gpi-2 allozymes may be useful as an indicator of pollutant stress if used in conjunction with a thorough understanding of the structure and history of the population.

Authors:
 [1]
  1. Univ. of Georgia, Aiken, SC (United States) Rutgers, The State Univ. of New Jersey, New Brunswick (United States)
Publication Date:
OSTI Identifier:
6389872
DOE Contract Number:  
AC09-76SR00819
Resource Type:
Journal Article
Journal Name:
Environmental Toxicology and Chemistry; (United States)
Additional Journal Information:
Journal Volume: 12:2; Journal ID: ISSN 0730-7268
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; 63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.; FISHES; SENSITIVITY; MERCURY; TOXICITY; WATER POLLUTION; BIOLOGICAL INDICATORS; ACUTE EXPOSURE; FORECASTING; GENOTYPE; ISOMERASES; ANIMALS; AQUATIC ORGANISMS; ELEMENTS; ENZYMES; METALS; ORGANIC COMPOUNDS; POLLUTION; PROTEINS; VERTEBRATES; 540320* - Environment, Aquatic- Chemicals Monitoring & Transport- (1990-); 560300 - Chemicals Metabolism & Toxicology

Citation Formats

Heagler, M G. Allozyme genotype in mosquitofish, Gambusia holbrooki, during mercury exposure: Temporal stability, concentration effects and field verification. United States: N. p., 1993. Web. doi:10.1897/1552-8618(1993)12[385:AGIMGH]2.0.CO;2.
Heagler, M G. Allozyme genotype in mosquitofish, Gambusia holbrooki, during mercury exposure: Temporal stability, concentration effects and field verification. United States. https://doi.org/10.1897/1552-8618(1993)12[385:AGIMGH]2.0.CO;2
Heagler, M G. 1993. "Allozyme genotype in mosquitofish, Gambusia holbrooki, during mercury exposure: Temporal stability, concentration effects and field verification". United States. https://doi.org/10.1897/1552-8618(1993)12[385:AGIMGH]2.0.CO;2.
@article{osti_6389872,
title = {Allozyme genotype in mosquitofish, Gambusia holbrooki, during mercury exposure: Temporal stability, concentration effects and field verification},
author = {Heagler, M G},
abstractNote = {Genotype frequencies at nine enzyme loci were examined in a population of mosquito fish, Gambusia holbrooki, during acute inorganic mercury exposure at three concentration. Genotype at one locus, glucose phosphate isomerase-2 (Gpi-2), was correlated with time to death (TTD) at the low mercury concentration, but genotypes at none of the nine loci were related to TTD at the medium or the high mercury concentration. A survey of mosquitofish from a mercury-contaminated canal was undertaken to determine if the results of laboratory exposures could be used to predict accurately the genetic profile of mercury-contaminated field populations. Mosquitofish collected from the contaminated canal had a significantly lower frequency of the Gpi-2[sup 38] allele than mosquitofish collected from the adjacent noncontaminated river. The Gpi-2 allozymes may be useful as an indicator of pollutant stress if used in conjunction with a thorough understanding of the structure and history of the population.},
doi = {10.1897/1552-8618(1993)12[385:AGIMGH]2.0.CO;2},
url = {https://www.osti.gov/biblio/6389872}, journal = {Environmental Toxicology and Chemistry; (United States)},
issn = {0730-7268},
number = ,
volume = 12:2,
place = {United States},
year = {Mon Feb 01 00:00:00 EST 1993},
month = {Mon Feb 01 00:00:00 EST 1993}
}