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Virulence and resistance adaptation of Streptococcus agalactiae Ib/ST261 infecting bullfrogs in Hainan, China between 2019 and 2023.

Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] - 15 Mar 2026

Guo Guiying, Di Zihao, Huang Sheng, Li Xuesong, Yang Nuo, Fan Lixia, Xie Jun, Cai Xiuqing, Meng Yuqi, Yan Fei, Zheng Jiping

Abstract excerpt

Serotype Ib and sequence type 261 (Ib/ST261) of Streptococcus agalactiae has emerged as a specific pathogen causing high mortality of bullfrogs (Rana catesbeiana) in Hainan, China, since 2019. However, its virulence gene profile and antimicrobial resistance (AMR) patterns remain poorly characterized. This study is aimed to characterize the virulence gene profile, resistance-associated mutations, and dynamic...

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Identifiers

PMID: 41832305
DOI: 10.1007/s42770-026-01902-2
PMCID: PMC12988923

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