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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 nonfunctional copies of LIPOR genes in cryptophytes suggests that light-independent chlorophyll biosynthesis is a(More)
The cryptomonads are an enigmatic group of marine and freshwater unicellular algae that acquired their plastids through the engulfment and retention of a eukaryotic ("secondary") endosymbiont. Together with the chlorarachniophyte algae, the cryptomonads are unusual in that they have retained the nucleus of their endosymbiont in a miniaturized form called a(More)
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