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Journal of Cell Science, Vol 10, 335-338, Copyright © 1972 by Company of Biologists

Submitted on August 6, 1971

Variation in the Nuclear Sodium Concentration of Newt Oocytes During Maturation

C. MUIR 1 and J. E. WHITLEY 2

1 Zoology Department, St Andrews University, Scotland
2 Scottish Research Reactor Centre, East Kilbride, Scotland

Measurements of the sodium content of single oocyte nuclei of Triturus cristatus carnifex at various stages of maturation, show a rise in concentration in eggs of the size 0.5-0.6 mm diameter. When the nuclei are isolated rapidly under paraffin, the absolute values obtained for the concentration are much lower than have been previously reported for this species.

Submitted on August 6, 1971






© The Company of Biologists Ltd 1972