Abstract
BLOOD plasma arylesterase in pigs is controlled genetically by a set of alleles, each determining a plasma arylesterase activity of 0, 25, 50, 75 and 1001. The distinguishable phenotypes are the manifestation of an additive effect of a pair of these alleles. The plasma of new-born piglets has no arylesterase activity, and differentiation into groups of various esterase activities begins on the second to fourth day of life, adult values being reached at the age of about 50 days. There are no sex differences for the biosynthesis of this enzyme, which, however, is influenced by sex hormones, as will be briefly reported here.
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References
Augustinsson, K.-B., and Olsson, B., Nature, 187, 924 (1960).
Hereditas, 47, 1 (1961).
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AUGUSTINSSON, KB., OLSSON, B. Sex Hormones as a Possible Factor controlling Biosynthesis of Arylesterase. Nature 192, 969–970 (1961). https://doi.org/10.1038/192969b0
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DOI: https://doi.org/10.1038/192969b0
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