The Tree of Life David R. Maddison I think that I shall never see A thing so awesome as the Tree That links us all in paths of genes Down into depths of time unseen; Whose many branches spreading wide House wondrous creatures of the tide, Ocean deep and mountain tall, Darkened cave and waterfall. …
December 2012 archive
Dec 04
Algal genomes reveal evolutionary mosaicism and the fate of nucleomorphs
Cryptophyte and chlorarachniophyte algae are transitional forms in the widespread secondary endosymbiotic acquisition of photosynthesis by engulfment of eukaryotic algae. Unlike most secondary plastid-bearing algae, miniaturized versions of the endosymbiont nuclei (nucleomorphs) persist in cryptophytes and chlorarachniophytes. To determine why, and to address other fundamental questions about eukaryote-eukaryote endosymbiosis, we sequenced the nuclear genomes of the cryptophyte Guillardia theta…
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