Genetically determined protein polymorphism in the rabbit nervous system.
- 1 October 1976
- journal article
- research article
- Published by Proceedings of the National Academy of Sciences in Proceedings of the National Academy of Sciences
- Vol. 73 (10) , 3641-3645
- https://doi.org/10.1073/pnas.73.10.3641
Abstract
One of the polypeptides (H1) of the rabbit nervous system occurs in an altered form (H2) in some rabbits. The electrophoretic mobility of H2 on sodium dodecyl sulfatepolyacrylamide gels is about 6% greater than that of H1 suggesting that the 2 polypeptides differ in MW by about 10,000. The alteration is genetically determined since rabbit phenotypes corresponding to all possible genotypes (H1H1, H1H2, H2H2) were present in an outbred population of rabbits, the frequency of the phenotype corresponding to the heterozygous genotype (H1H2) was smaller in partially inbred rabbit populations than in outbred populations, and all of the individuals examined from 2 partially inbred strains (WH/J and X/J) were of the phenotype that would be expected if they were homozygous (H2H2) for the rate allele of the gene. Preliminary evidence indicates that this polymorphic polypeptide is most abundant in the white matter of the nervous systems of several mammalian species, and is distributed between the soluble and particulate fractions when these tissues are extracted with buffers of low ionic strength and centrifuged at 100,000 .times. g.This publication has 14 references indexed in Scilit:
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