Sea Urchin DNA Sequence Variation and Reduced Interspecies Differences of the Less Variable DNA Sequences

Creators: Grula, J. W.; Hall, T. J.; Hunt, J. A.; Giugni, T. D.; Graham, G. J.; Davidson, E. H.; Britten, R. J.

Abstract

Individual sea urchins of the species Stronglyocentrotus purpuratus differ from each other in about 4% of the nucleotide pairs of their single copy DNA sequences (Britten et al., 1978). In the past we have referred to single copy DNA sequence polymorphism (Britten et al., 1978), but for purposes of clarity we use here the term sequence variation which is defined as the percent difference in sequence between individual genomes averaged for a population and averaged over all of the single copy DNA.

Additional Information

© 1982 The Society for the Study of Evolution. Manuscript Revised: 2 Nov 1981. Manuscript Received: 6 Jul 1981. Corresponding Editor: R. D. Milkman. The authors thank Dr. Michael J. Smith of Simon Fraser University, University of British Columbia, Canada, for providing S. droebachiensis DNA and Dr. V. A. Bry- kov of the Far East Science Center, Academy of Sciences of the USSR, Vladivostok, USSR, for providing S. intermedius DNA. Dr. A. Pudovkin of the Institute of Marine Biology, Academy of Sciences of the USSR, Vladivostok, USSR, kindly furnished the S. intermedius protein polymorphism data before publication. We are also grateful to Yara Lewin for assistance in preparing the manuscript. This research was supported by NIH Grant (GM-20927). J.W.G. was supported by an ACS Postdoctoral Fellowship (PF-1494) and a N.I.H. Postdoctoral Fellowship (GM06865-01). T.J.H. was supported by N.I.H. Postdoctoral Fellowships (GM06575; GM07401).

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Sea Urchin DNA Sequence Variation and Reduced Interspecies Differences of the Less Variable DNA Sequences

Abstract

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