Absence of Age-related Ploidy Changes in a Fish With Indeterminate Growth
- 1 January 1984
- journal article
- research article
- Published by Oxford University Press (OUP) in Journal of Gerontology
- Vol. 39 (1) , 18-21
- https://doi.org/10.1093/geronj/39.1.18
Abstract
We considered the problem of age-related increase in ploidy of liver cells in the oyster toadfish Opsanus tau using a cytofluorometer. Over 90% of toadfish liver cells are diploid, and the ratio of diploid to tetraploid to octaploid cells remains constant in 3-to 11-year-old fish. The absence of ontogenetic increases in ploidy in toadfish, as opposed to mammals, correlates with fish patterns of indeterminate growth and plasticity.Keywords
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