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Updated: Jan 23, 2026

Laboratory Simulation of an IronII-rich Precambrian Marine Upwelling System to Explore the Growth of Photosynthetic Bacteria
Published on: July 24, 2016
Features of Bacteriochlorophylls Axial Ligation in the Photosynthetic Reaction Center of Purple Bacteria
T Yu Fufina1, M M Leonova1, R A Khatypov1
1Institute of Basic Biological Problems, Pushchino, Moscow Region, 142290, Russia.
Abstract:
This review focuses on recent experimental data obtained by site-directed mutagenesis of the reaction center in purple nonsulfur bacteria. The role of axial ligation of (bacterio)chlorophylls in the regulation of spectral and redox properties of these pigments, as well as correlation between the structure of chromophores and nature of their ligands, are discussed. Cofactor ligation in various types of reaction centers is compared, and possible reasons for observed differences are examined in the light of modern ideas on the evolution of photosynthesis.
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