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Gene action in fish of tetraploid origin. V. Cellular RNA and protein content and enzyme activities in cyprinid, clupeoid, and salmonoid species

✍ Scribed by J. Schmidtke; B. Schulte; P. Kuhl; W. Engel

Publisher: Springer
Year: 1976
Tongue: English
Weight: 330 KB
Volume: 14
Category: Article
ISSN: 0006-2928
DOI: 10.1007/bf00485129

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✦ Synopsis

The ratio of cellular RNA and protein content is about 1:1 between phylogenetically diploid and tetraploid species of the teleost family Cyprinidae, but is roughly in proportion to ploidy in species of the teleost order Isospondyli. Enzyme activities do not unequivocally comply with this scheme. These findings are discussed in view of the hypothesis that a regulatory mechanism which reduces genic activity has evolved in the tetraploid cyprinids but not in the tetraploid species of the order Isopondyli.

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