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Title: An Immunochemical Study of Structural and Evolutionary Relationships among Molluscan Octopine Dehydrogenases 
Author: Baldwin, John
Date: 1982-07
Publisher: University of Hawai'i Press
Citation: Baldwin J. 1982. An immunochemical study of structural and evolutionary relationships among molluscan octopine dehydrogenases. Pac Sci 36(3): 357-363.
Abstract: Antisera produced against octopine dehydrogenases isolated
from a gastropod and a cephalopod were used to investigate structural and
evolutionary relationships of this enzyme in a range of mollusks. Antisera
against octopine dehydrogenase of the blue-ringed octopus Hapalochlaena
maculosa was most effective in inhibiting the enzyme from other octopods,
followed by the enzymes of squids and cuttlefishes. Limited inhibition also
occurred with octopine dehydrogenase of Nautilus pompilius, a representative of
the most ancient group of living cephalopods. This antisera did not inhibit
octopine dehydrogenases ofgastropods or bivalves. Antisera against the enzyme
of the gastropod Strombus luhuanus inhibited octopine dehydrogenases from
other genera of the family Strombidae, but did not inhibit the enzyme from other
families of gastropods or the enzymes from cephalopods or bivalves. It is
concluded that the octopine dehydrogenases of cephalopods possess structural
similarities and have diverged from a common ancestral gene. The structural and
evolutionary relationships among gastropod octopine dehydrogenases and the
relationships among octopine dehydrogenases from different molluscan classes
remain unresolved.
ISSN: 0030-8870
URI: http://hdl.handle.net/10125/469

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