Abstract
The estimated levels of genetic variation are reported for 6 Crassostrea and 3 Saccostrea species. The estimates are based on examination of 25 to 34 genetic loci. The average heterozygosities ranged from 6 to 22% for the Crassostrea species and from 17 to 19% for the Saccostrea species. A new sibling species (S. manilai) from the Philippines has been identified by means of protein electrophoresis. The genetic similarity and distance between species has been computed for each genus. Also, a pairwise comparison of loci and a dendrogram of the phylogenetic relationship of species has been constructed from the two genera. Some of the taxonomic levels during oyster speciation have been computed from the data of the electrophoretic study of the two lineages. The possibilities of oyster superspecies (e. g. C. gigas, C. virginica and S. cucullata) are discussed based on our population genetic study.
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Communicated by M.R. Tripp, Newark
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Buroker, N.E., Hershberger, W.K. & Chew, K.K. Population genetics of the family ostreidae. II. Interspecific studies of the genera Crassostrea and Saccostrea . Mar. Biol. 54, 171–184 (1979). https://doi.org/10.1007/BF00386596
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DOI: https://doi.org/10.1007/BF00386596