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Cytopathic effects in Mimivirus infection: understanding the kinetics of virus-cell interaction.
Nunes, Gabriel Henrique Pereira; Oliveira, Juliana Dos Santos; Essus, Victor Alejandro; Guimarães, Allan J; Pontes, Bruno; Cortines, Juliana Reis.
Afiliação
  • Nunes GHP; Universidade Federal do Rio de Janeiro, Instituto de Microbiologia Paulo de Góes, Departamento de Virologia, Laboratório de Virologia e Espectrometria de Massas, Rio de Janeiro, RJ, Brasil.
  • Oliveira JDS; Universidade Federal do Rio de Janeiro, Instituto de Microbiologia Paulo de Góes, Departamento de Virologia, Laboratório de Virologia e Espectrometria de Massas, Rio de Janeiro, RJ, Brasil.
  • Essus VA; Universidade Federal do Rio de Janeiro, Instituto de Microbiologia Paulo de Góes, Departamento de Virologia, Laboratório de Virologia e Espectrometria de Massas, Rio de Janeiro, RJ, Brasil.
  • Guimarães AJ; Universidade Federal Fluminense, Instituto Biomédico, Departamento de Microbiologia e Parasitologia, Niterói, RJ, Brasil.
  • Pontes B; Universidade Federal do Rio de Janeiro, Instituto de Ciências Biomédicas & Centro Nacional de Biologia Estrutural e Bioimagem, Rio de Janeiro, RJ, Brasil.
  • Cortines JR; Universidade Federal do Rio de Janeiro, Instituto de Microbiologia Paulo de Góes, Departamento de Virologia, Laboratório de Virologia e Espectrometria de Massas, Rio de Janeiro, RJ, Brasil.
Mem Inst Oswaldo Cruz ; 119: e230186, 2024.
Article em En | MEDLINE | ID: mdl-39045993
ABSTRACT

BACKGROUND:

Giant viruses have brought new insights into different aspects of virus-cell interactions. The resulting cytopathic effects from these interactions are one of the main aspects of infection assessment in a laboratory routine, mainly reflecting on the morphological features of an infected cell.

OBJECTIVES:

In this work, we follow the entire kinetics of the cytopathic effect in cells infected by viruses of the Mimiviridae family, spatiotemporally quantifying typical features such as cell roundness, loss of motility, decrease in cell area and cell lysis.

METHODS:

Infections by Acanthamoeba polyphaga mimivirus (APMV), Tupanvirus (TPV) and M4 were carried out at multiplicity of infection (MOI) 1 and MOI 10 in Acanthamoeba castellanii. Monitoring of infections was carried out using time lapse microscopy for up to 72 hours. The images were analyzed using ImageJ software.

FINDINGS:

The data obtained indicate that APMV is the slowest virus in inducing the cytopathic effects of rounding, decrease in cell area, mobility and cell lysis. However, it is the only virus whose MOI increase accelerates the lysis process of infected cells. In turn, TPV and M4 rapidly induce morphological and behavioral changes. MAIN

CONCLUSIONS:

Our results indicate that mimiviruses induce different temporal responses within the host cell and that it is possible to use these kinetic data to facilitate the understanding of infection by these viruses.
Assuntos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Efeito Citopatogênico Viral / Acanthamoeba castellanii / Mimiviridae Idioma: En Revista: Mem Inst Oswaldo Cruz Ano de publicação: 2024 Tipo de documento: Article País de afiliação: Brasil País de publicação: Brasil

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Efeito Citopatogênico Viral / Acanthamoeba castellanii / Mimiviridae Idioma: En Revista: Mem Inst Oswaldo Cruz Ano de publicação: 2024 Tipo de documento: Article País de afiliação: Brasil País de publicação: Brasil