Diversity of electron transport chains in anaerobic protists.

Ryan M R Gawryluk, Courtney W Stairs

Biochimica et biophysica acta. Bioenergetics 2021 Jan 01

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Eukaryotic microbes (protists) that occupy low-oxygen environments often have drastically different mitochondrial metabolism compared to their aerobic relatives. A common theme among many anaerobic protists is the serial loss of components of the electron transport chain (ETC). Here, we discuss the diversity of the ETC across the tree of eukaryotes and review hypotheses for how ETCs are modified, and ultimately lost, in protists. We find that while protists have converged to some of the same metabolism as anaerobic animals, there are clear protist-specific strategies to thrive without oxygen. Copyright © 2020 The Authors. Published by Elsevier B.V. All rights reserved.

Citation

Ryan M R Gawryluk, Courtney W Stairs. Diversity of electron transport chains in anaerobic protists. Biochimica et biophysica acta. Bioenergetics. 2021 Jan 01;1862(1):148334