Allen, A. E., Vardi, A., Bowler, C.
An Ecological and Evolutionary Context for Integrated Nitrogen Metabolism and Related Signaling Pathways In Marine Diatoms
Curr Opin Plant Biol. 2006 Jun 01; 9(3): 264-73.
Whole-genome sequence analysis has revealed that diatoms contain genes and pathways that are novel in photosynthetic eukaryotes. More generally, the unique evolutionary footprint of the chromalveolates, which includes a genome fusion between a heterotrophic protist and a red alga in addition to a major prokaryotic influence, has fostered their inheritance of a unique complement of metabolic capabilities. Many aspects of nitrogen metabolism and cell signaling appear to be linked in diatoms. This new perspective provides a basis for understanding the ecological dominance of diatoms in contemporary oceans.
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