Titel
Anoxygenic photosynthesis with emphasis on green sulfur bacteria and a perspective for hydrogen sulfide detoxification of anoxic environments
Autor*in
Ivan Kushkevych
Department of Experimental Biology, Faculty of Science, Masaryk University
Vít Procházka
Department of Experimental Biology, Faculty of Science, Masaryk University
Monika Vítězová
Department of Experimental Biology, Faculty of Science, Masaryk University
... show all
Abstract
The bacterial light-dependent energy metabolism can be divided into two types: oxygenic and anoxygenic photosynthesis. Bacterial oxygenic photosynthesis is similar to plants and is characteristic for cyanobacteria. Bacterial anoxygenic photosynthesis is performed by anoxygenic phototrophs, especially green sulfur bacteria (GSB; family Chlorobiaceae) and purple sulfur bacteria (PSB; family Chromatiaceae). In anoxygenic photosynthesis, hydrogen sulfide (H2S) is used as the main electron donor, which differs from plants or cyanobacteria where water is the main source of electrons. This review mainly focuses on the microbiology of GSB, which may be found in water or soil ecosystems where H2S is abundant. GSB oxidize H2S to elemental sulfur. GSB possess special structures—chlorosomes—wherein photosynthetic pigments are located. Chlorosomes are vesicles that are surrounded by a lipid monolayer that serve as light-collecting antennas. The carbon source of GSB is carbon dioxide, which is assimilated through the reverse tricarboxylic acid cycle. Our review provides a thorough introduction to the comparative eco-physiology of GSB and discusses selected application possibilities of anoxygenic phototrophs in the fields of environmental management, bioremediation, and biotechnology.
Stichwort
bacterial photosynthesisanoxygenic bacteriabacterial physiologymicrobiologyanaerobesbiotechnology
Objekt-Typ
Sprache
Englisch [eng]
Persistent identifier
phaidra.univie.ac.at/o:2085930
Erschienen in
Titel
Frontiers in Microbiology
Band
15
ISSN
1664-302X
Erscheinungsdatum
2024
Publication
Frontiers Media SA
Erscheinungsdatum
2024
Zugänglichkeit
Rechte
Rechteangabe
© 2024 Kushkevych, Procházka, Vítězová, Dordević, Abd El-Salam and Rittmann
Universität Wien | Universitätsring 1 | 1010 Wien | T
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