Characterization of Legionella pneumophila isolated from environmental water and ashiyu foot spa

Masato Tachibana, Masaya Nakamoto, Yui Kimura, Takashi Shimizu, Masahisa Watarai

研究成果査読

11 被引用数 (Scopus)

抄録

Hot springs are the most common infectious source of Legionella pneumophila in Japan. However, little is known about the association between L. pneumophila and environmental waters other than hot springs. In this study, water samples from 22 environmental water sites were surveyed; of the 22 samples, five were L. pneumophila positive (23%). L. pneumophila was mainly isolated from ashiyu foot spas, a type of hot spring for the feet (3/8, 38%). These isolates had genetic loci or genes that encoded the virulence factors of L. pneumophila. Moreover, these isolates showed higher intracellular growth and stronger cytotoxicity compared with the reference strain. These results suggest that ashiyu foot spa can be the original source for L. pneumophila infection.

本文言語English
論文番号514395
ジャーナルBioMed research international
2013
DOI
出版ステータスPublished - 2013
外部発表はい

ASJC Scopus subject areas

  • 生化学、遺伝学、分子生物学一般
  • 免疫学および微生物学一般

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