Whole genome sequence analysis of Yersinia pseudotuberculosis strains isolated in Japan

Kawasaki Disease Overview: KD is a multi-systemic vasculitis primarily affecting young children, with unclear etiology. Etiology and Triggers: Believed to involve genetic predisposition and environmental factors, but exact triggers are unknown. YPT Link: Yersinia pseudotuberculosis (YPT), a Gram-negative bacterium, is suspected to be linked to KD, especially in Japan. Historical Context and Global Incidence of KD - English Key Points Identification: KD was first identified in 1967 by Dr. Tomisaku Kawasaki in Japan. Symptoms and Risks: Characterized by prolonged fever, rash, and risk of coronary artery aneurysms. Global Incidence: Highest incidence in East Asia, but reported worldwide. YPT and Its Association with KD Traditional Association: YPT is traditionally linked to gastroenteritis. Epidemiological Links: Correlations between YPT outbreaks and increased KD cases were noted, particularly in Japan. Lack of Genomic Analysis: Detailed genomic analysis of YPT strains associated with KD is limited. Novelty and Aim of the Current Study Study Novelty: First detailed genomic study of YPT strains from KD patients. Methodology: Whole-genome sequencing of 11 YPT strains isolated from KD patients in Japan. Study Aim: To identify unique genomic features of KD-associated YPT strains and position them within global YPT phylogeny. Significance: Aims to enhance understanding of YPT's potential role in KD pathogenesis.