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Science 27 March 1964:
Vol. 143. no. 3613, pp. 1442 - 1443
DOI: 10.1126/science.143.3613.1442
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Articles

Polymer Similar to Polydeoxyadenylate-Thymidylate in Various Tissues of a Marine Crab

Ts'ai-ying Cheng 1 and Noboru Sueoka 1

1 Department of Biology, Princeton University, Princeton, New Jersey

Several species of a genus Cancer have a DNA that has a light buoyant density and that contains mainly deoxyadenylate and thymidylate. The presence of this polymer was demonstrated previously in testes and vas deferens. By a modified procedure for isolating DNA, the muscles, liver, and eggs of Cancer borealis are also shown to contain the deoxyadenylate-thymidylate-like polymer.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)