An insight of Streptococcus pneumoniae serotype 3 genomic profile in Indonesia.

IF 4.5 2区医学 Q2 IMMUNOLOGY

Journal of Microbiology Immunology and Infection Pub Date : 2025-02-11 DOI:10.1016/j.jmii.2025.01.007

Ratna Fathma Sari, Fadilah Fadilah, Yustinus Maladan, Rosantia Sarassari, Miftahuddin Majid Khoeri, Kuntjoro Harimurti, Lindawati Alimsardjono, Dodi Safari

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引用次数: 0

Abstract

Background: Streptococcus pneumoniae Serotype 3 (SPN3) remains a significant cause of morbidity and mortality worldwide despite of pneumococcal conjugate vaccine (PCV) implementation. We explored genomic profile of SPN3 from children and adult groups to understand population structure and evolution dynamics of SPN3 in Indonesia.

Methods: We undertook whole genome sequencing (WGS) from 19 isolates of SPN3 in Indonesia between 2017 and 2021 prior to PCV introduction. This study assessed sequence types (STs), global pneumococcal sequence cluster (GPSC), genome prediction of antimicrobial resistance (AMR) profile, pangenome analysis, phylogenetic tree, and genome comparative of capsular polysaccharide (cps) locus.

Results: We identified ST451-GPSC234 (n = 5) and ST180-GPSC12 (n = 4), ST458-GPSC51 (n = 2), ST3805-GPSC12 (n = 2), ST4909-GPSC363 (n = 2), ST700-GPSC10 (n = 1), ST5292-GPSC309 (n = 1), ST505-GPSC12 (n = 1), and ST4233 (n = 1). Genome prediction of AMR discover isolates were resistant to tetracycline (n = 5); co-resistant of chloramphenicol and tetracycline (n = 2); co-trimoxazole and tetracycline (n = 1). We observed SPN3 possess closed pangenome characteristic, indicates more stable genetic repertoire. We found 5 absent genes in cps locus including cpsABCD and tnp in ST700-GPSC10 lineage.

Conclusions: SPN3 has potential genomic profile to enhance the ability of this strain to endure selective pressure such as PCV introduction.

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来源期刊

Journal of Microbiology Immunology and Infection IMMUNOLOGY-INFECTIOUS DISEASES

CiteScore

15.90

自引率

5.40%

发文量

159

审稿时长

67 days

期刊介绍： Journal of Microbiology Immunology and Infection is an open access journal, committed to disseminating information on the latest trends and advances in microbiology, immunology, infectious diseases and parasitology. Article types considered include perspectives, review articles, original articles, brief reports and correspondence. With the aim of promoting effective and accurate scientific information, an expert panel of referees constitutes the backbone of the peer-review process in evaluating the quality and content of manuscripts submitted for publication.