Evidence map›Paper›PMID 40375345›Full record

ArticleGut pathogens2025

Genome-based analyses from four clinically-isolated strains refined the taxonomy of Proteus genomosp. 6 and revealed their underestimated role in gastrointestinal diseases.

Zhiyun Zhang, Jing He, Xueqing Liu, Linqian Huang, Zhou Zeng, Yao Peng, Xunchao Cai

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Article in Gut pathogens, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

7 authors.

Zhiyun ZhangDepartment of Clinical Laboratory, The Central Hospital of Yongzhou, Yongzhou, 425000, China.
Jing HeDepartment of Pharmacy, The Central Hospital of Yongzhou, Yongzhou, 425000, China.
Xueqing LiuDepartment of Clinical Laboratory, The Central Hospital of Yongzhou, Yongzhou, 425000, China.
Linqian HuangCollege of Life Science, Northeast Agricultural University, Harbin, 150030, China.
Zhou ZengSchool of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, China.
Yao PengDepartment of Gastroenterology and Hepatology, Shenzhen University General Hospital, Shenzhen University, Xueyuan R.D. 1298, Nanshan District, Shenzhen, 518071, China. pengy2021@szu.edu.cn.
Xunchao CaiDepartment of Gastroenterology and Hepatology, Shenzhen University General Hospital, Shenzhen University, Xueyuan R.D. 1298, Nanshan District, Shenzhen, 518071, China. cxch1224@126.com.

Funding

Shenzhen Science and Technology Program JCYJ20230808105208017Yongzhou City Instructive Science and Technology Plan Project 2023YZ091Yongzhou City Instructive Science and Technology Plan Project 2024YZ062
6 · The paper itself

Abstract

backgroundProteus spp. have long been recognized for their role in urinary tract infections, while recent evidence disclosed their implications in gastrointestinal diseases. Despite this, the taxonomy of clinically-derived Proteus spp., particularly those from gastrointestinal samples, remains understudied and is frequently mis-assigned, which limits our understanding of infections caused by these species.

resultsFour Proteus strains (i.e., DFP240708, LHD240705, TSJ240517 and WDL240414) were isolated from the appendiceal pus of patients with acute appendicitis, whole-genome average nucleotide identity (ANI) analysis identified all of them as Proteus genomosp. 6, different from that identified using the automated bacterial identification instrument (VITEK

conclusionOur study highlights inaccuracies in the taxa classification of Proteus species under clinical settings, underscoring the necessity of using genomic-based taxonomic assignment methods. We revealed that the prevalence of Proteus genomosp. 6 in clinical infections has likely been underestimated. Furthermore, given the resistance-gene absence and their sensitivity to aminoglycosides, aminoglycosides may serve as a promising first-line treatment option for infections caused by this species.

Indexed as

Acute appendicitisAntibiotic resistanceProteus columbaeProteus genomosp. 6Virulence factor

Identifiers

PMID40375345
PMCPMC12082999

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