Flaviviridae and mitochondria: Everything you always wanted to know about their relationship but were afraid to ask

Area of Science:

• Virology
• Cell Biology
• Public Health

Background:

• Flaviviridae infections pose significant global health threats.
• Limited therapeutic options exist for many flaviviruses, including Zika and Hepatitis C viruses.
• These viruses exploit host cell machinery for replication.

Purpose of the Study:

• To review the relationship between Flaviviridae and host cell mitochondria.
• To elucidate how viral interactions with mitochondria facilitate replication.
• To highlight the role of mitochondria in flavivirus pathogenesis.

Main Methods:

• Literature review of scientific publications.
• Analysis of molecular mechanisms of viral-mitochondrial interactions.
• Synthesis of current knowledge on flavivirus replication strategies.

Main Results:

• Flaviviruses induce significant morphological changes in mitochondria.
• Viruses co-opt mitochondrial functions in apoptosis, immunity, and metabolism.
• Endoplasmic reticulum remodeling is also crucial for viral replication and assembly.

Conclusions:

• Flaviviridae extensively remodel host cell organelles, particularly mitochondria.
• Mitochondrial alterations create a favorable cytoplasmic environment for viral replication.
• Understanding these interactions is key to developing new antiviral strategies.