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The hemoglobins of Artemia salina. V. Genetic variation in hemoglobin 1, hemoglobin 2, and hemoglobin 3

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Abstract

Electrophoretic mobilities of three hemoglobins (Hb1, Hb2, and Hb3) were studied in 15 populations of brine shrimps. Genetic segregation data support the model that Hb2 contains n α-polypeptides and n β-polypeptides; Hb1 contains 2n α-polypeptides. Hb3 contains neither α- nor β-polypeptides. There is no evidence of linkage of α and β loci with each other or with the locus (or loci) which governs Hb3 or with the nonhomologous portion of the sex chromosomes. Hemoglobins of different populations may be hybridized in vitro by incubation at high temperature. Reversible dissociation to subunits which contain only one (α or β) polypeptide occurs at 40 C (for Hb1) and at 50 C (for Hb2).

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Authors and Affiliations

  1. Department of Biology, San Francisco State University, 1600 Holloway, 94132, San Francisco, California

    Gery Sterling & Sarane T. Bowen

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  1. Gery Sterling
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  2. Sarane T. Bowen
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Supported by Grant HD-11445 from the National Institutes of Health.

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Sterling, G., Bowen, S.T. The hemoglobins of Artemia salina. V. Genetic variation in hemoglobin 1, hemoglobin 2, and hemoglobin 3. Biochem Genet 15, 423–437 (1977). https://doi.org/10.1007/BF00520188

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  • DOI: https://doi.org/10.1007/BF00520188

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