The Evolution of the Purple Photosynthetic Bacterial Light-Harvesting System
作者： Sarah L. Henry , Richard J. Cogdell
DOI: 10.1016/B978-0-12-397923-0.00007-2
关键词: Bacteria 、 Ecological niche 、 Gene 、 16S ribosomal RNA 、 Botany 、 Light-harvesting complex 、 Phylogenetic tree 、 Biology 、 Evolutionary biology 、 Photosynthesis
摘要: This chapter presents a discussion of what can be determined about how the purple photosynthetic bacterial light-harvesting complexes (LHs) evolved, based on detailed phylogenetic analysis. The starting hypothesis was that complex 2 (LH2) evolved from highly structurally homologous 1. could not substantiated analyses, comparing data 16S ribosomal RNA genes with those apoprotein (puc and puf). Several possible reasons for this are suggested. Proliferation puc is associated ability to synthesis LH2 different absorption spectra. appears enable bacteria multiple optimise their light harvesting suit wide variety ecological niches.
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