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Eukaryotic Cell doi:10.1128/EC.00396-07
Copyright (c) 2008, American Society for Microbiology and/or the Listed Authors/Institutions. All Rights Reserved.

Evolutionary dynamics of light-independent protochlorophyllide oxidoreductase (LIPOR) genes in the secondary plastids of cryptophyte algae

The Canadian Institute for Advanced Research, Integrated Microbial Biodiversity Program, Department of Biochemistry and Molecular Biology, Dalhousie University, Halifax, Nova Scotia CANADA

^* To whom correspondence should be addressed. Email: john.archibald{at}dal.ca.

	Abstract

Plastid genes encoding light-independent protochlorophyllide oxidoreductase (LIPOR) subunits were isolated from cryptophyte algae, the first example of such genes in plastids of secondary endosymbiotic origin. The presence of functional and non-functional copies of LIPOR genes in cryptophytes suggests that light-independent chlorophyll biosynthesis is a non-essential pathway in these organisms.