Molecular cloning of ictacalcin: a novel calcium-binding protein from the channel catfish, Ictalurus punctatus.


Calcium is essential for a variety of functions in animals, including signal transduction, transmission of nerve impulses, and bone and scale growth. In freshwater adapted teleosts, blood calcium levels are maintained constant (2-4 mM) even at low external calcium concentration (< 0.01 mM). Epithelial cells in skin and gill have been implicated in calcium… (More)


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