Evolutionary Variation of the Monkeypox Virus Detected for the First Time in Nantong, Jiangsu

Overview

Journal Virol J

Publisher Biomed Central

Specialty Microbiology

Date 2024 Dec 24

PMID 39716235

Authors

Xingpei Ji

Ruyue Liang

Chao Bao

Xiuli Cai

Shiyao Chen

Lu Chen

Li Li

Xiaolei Ji

Affiliations

Soon will be listed here.

Abstract

Monkeypox (MPOX) is a zoonotic disease caused by Orthopoxvirus monkeypox (MPXV), belonging to the Orthopoxvirus genus, and exhibits symptoms similar to smallpox. In 2024, the monkeypox outbreak in the Democratic Republic of the Congo continued to develop, raising widespread global public health concerns. In September 2023, the first local monkeypox outbreak was reported in Nantong, Jiangsu Province, China. Whole-genome sequencing of samples from seven confirmed patients identified a new lineage, C.1.1, which may be related to imported cases from Japan. Evolutionary analysis of MPXV showed fewer mutations mediated by Apolipoprotein B mRNA Editing Catalytic polypeptide-like 3 (APOBEC3). Additionally, mutations in the N2L protein disrupted transcription initiation, while changes in the Cytomegalovirus-encoded immunomodulatory protein B (CrmB) led to structural instability of the protein. It is hoped that these findings will provide insights for future research on the evolutionary mechanisms of the monkeypox virus and the development of vaccines.

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