Abstract
The reduction and specialization of the energy metabolism system is a common trait in the evolution of intracellular parasites. One group of fungi-related parasites, the Microsporidia, seems to have developed this trait far more than other eukaryotes. As an extreme adaptation for a parasitic lifestyle, some of them have completely lost the ability to synthesize ATP, relying heavily upon the metabolic processes of host cells to ensure their own development and reproduction. For a long time, only fragmentary data on the functioning and evolution of the energy metabolism system in microsporidia was available. However, the recent discovery of microsporidia-related microorganisms, the Cryptomycota and Aphelida, alongside with the genome sequencing and new data about basal groups in the Microsporidia has shed new light on this problem. Here, we review recent data about functioning of the energy metabolism system in microsporidia and closely related organisms, and discuss possible evolutionary pathways in the group.
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Acknowledgments
The authors thank Daria Matvienko from Bioline (Russia) for her help in preparing the illustrations.
Funding
This work was supported by Russian Foundation of Basic Research (RFBR grant no. 18-34-00265mol_a) and Russian Science Foundation (RSF grant no. 18-16-00054).
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Timofeev, S., Tokarev, Y. & Dolgikh, V. Energy metabolism and its evolution in Microsporidia and allied taxa. Parasitol Res 119, 1433–1441 (2020). https://doi.org/10.1007/s00436-020-06657-9
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DOI: https://doi.org/10.1007/s00436-020-06657-9