Home Acta Virologica 2020 Acta Virologica Vol.64, No.2, p.201-215, 2020

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Founded: 1957
ISSN 0001-723X
E-ISSN 1336-2305

Published in English

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Acta Virologica Vol.64, No.2, p.201-215, 2020

Title: Metabolic reprogramming as a feast for virus replication

Abstract: Viral replication depends entirely on the energy and biosynthetic precursors supplied by the host cell metabolic network. Viruses actively reprogram host cell metabolism to establish optimal environment for their replication and spread. They stimulate the uptake of extracellular nutrients and predominantly modulate glucose, glutamine, and fatty acid metabolism to support anabolic metabolic pathways. Some viruses activate the process of aerobic glycolysis, divert the glycolytic carbon for biosynthetic reactions, and stimulate glutamine utilization to replenish tricarboxylic cycle intermediates. Others use glutamine carbon to promote de novo fatty acid synthesis, amino acid supply or glutathione production. The unique metabolic signature and different dependence of viral life cycle on the individual metabolic processes is therefore characteristic feature of almost each virus. Deeper understanding of how viruses alter cellular metabolic pathways or their upstream regulatory circuits may lead to development of more effective antiviral treatment strategies based on targeted metabolic inhibition.

Keywords: virus infection; metabolism; glycolysis; glutamine metabolism; fatty acid synthesis; metabolic reprogramming; virus-host interaction
Published online: 04-May-2020
Year: 2020, Volume: 64, Issue: 2 Page From: 201, Page To: 215

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