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How many light adaptation mechanisms are there?

Published online by Cambridge University Press:  04 February 2010

M. Deric Bownds
Affiliation:
Laboratory of Molecular Biology, University of Wisconsin, Madison WI 53706. mdbownds@facstaff.wisc.edu
Vadim Y. Arshavsky
Affiliation:
Laboratory of Molecular Biology, University of Wisconsin, Madison WI 53706. vadim@macc.wisc.edu.

Abstract

The generally positive response to our target article indicates that most of the commentators accept our contention that light adaptation consists of multiple and possibly redundant mechanisms. The commentaries fall into three general categories. The first deals with putative mechanisms that we chose not to emphasize. The second is a more extended discussion of the role of calcium in adaptation. Finally, additional aspects of cGMP involvement in adaptation are considered. We discuss each of these points in turn.

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