Modulation of mitochondria by viral proteins.

Mitochondria are dynamic cellular organelles with diverse functions including energy production, calcium homeostasis, apoptosis, host innate immune signaling, and disease progression. Several viral proteins specifically target mitochondria to subvert host defense as mitochondria stand out as the most suitable target for the invading viruses. They have acquired the capability to control apoptosis, metabolic state, and evade immune responses in host cells, by targeting mitochondria. In this way, the viruses successfully allow the spread of viral progeny and thus the infection. Viruses employ their proteins to alter mitochondrial dynamics and their specific functions by a modulation of membrane potential, reactive oxygen species, calcium homeostasis, and mitochondrial bioenergetics to help them achieve a state of persistent infection. A better understanding of such viral proteins and their impact on mitochondrial forms and functions is the main focus of this review. We also attempt to emphasize the importance of exploring the role of mitochondria in the context of SARS-CoV2 pathogenesis and identify host-virus protein interactions. Copyright © 2022 Elsevier Inc. All rights reserved.

Citation

Reshu Saxena, Priyanka Sharma, Sandeep Kumar, Niteshkumar Agrawal, Sumit Kumar Sharma, Amit Awasthi. Modulation of mitochondria by viral proteins. Life sciences. 2023 Jan 15;313:121271

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PMID: 36526048

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