ISSN:
1420-9071
Keywords:
Key words. Goldfish; temperature; polyamines; ornithine decarboxylase.
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
,
Medicine
Notes:
Abstract. Goldfish exposed to the cold (5 °C) for a week exhibited modifications in polyamines metabolism, as shown by the increase of putrescine levels in liver, heart, muscle and brain, whereas the content of spermidine and spermine was unchanged. Putrescine increases in tissues considered were concomitant with a remarkable rise in ornithine decarboxylase activity. Kinetic analysis of brain enzyme activity showed that the apparent K m was unchanged by cold exposure, whereas V max was strongly increased.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/s000180050150
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