ArticleApplied and environmental microbiology2014
Distribution of sequence-based types of legionella pneumophila serogroup 1 strains isolated from cooling towers, hot springs, and potable water systems in China.
Article in Applied and environmental microbiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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23 citing papers in PubMed, 37 citations in OpenAlex.
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- Legionnaires' Disease Mortality in Guinea Pigs Involves the p45 Mobile Genomic Element.The Journal of infectious diseases · 2019Article
- Viewing Legionella pneumophila Pathogenesis through an Immunological Lens.Journal of molecular biology · 2019Review
- Antibiotic Resistance and Azithromycin Resistance Mechanism of Legionella pneumophila Serogroup 1 in China.Antimicrobial agents and chemotherapy · 2019Article
- Analysis of Genetic Characterization and Clonality ofInternational journal of environmental research and public health · 2019Article
- Antimicrobial agent susceptibilities of Legionella pneumophila MLVA-8 genotypes.Scientific reports · 2019Article
- Legionella pneumophila p45 element influences host cell entry and sensitivity to sodium.PloS one · 2019Article
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- Article
- Legionella Risk Management and Control in Potable Water Systems: Argument for the Abolishment of Routine Testing.International journal of environmental research and public health · 2016Article
- Multiplication of Legionella pneumophila Sequence Types 1, 47, and 62 in Buffered Yeast Extract Broth and Biofilms Exposed to Flowing Tap Water at Temperatures of 38°C to 42°C.Applied and environmental microbiology · 2016Article
- Combined use of real-time PCR and nested sequence-based typing in survey of human Legionella infection.Epidemiology and infection · 2016Article
- Population structure and minimum core genome typing of Legionella pneumophila.Scientific reports · 2016Article
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Legionella pneumophila serogroup 1 causes Legionnaires' disease. Water systems contaminated with Legionella are the implicated sources of Legionnaires' disease. This study analyzed L. pneumophila serogroup 1 strains in China using sequence-based typing. Strains were isolated from cooling towers (n = 96), hot springs (n = 42), and potable water systems (n = 26). Isolates from cooling towers, hot springs, and potable water systems were divided into 25 sequence types (STs; index of discrimination [IOD], 0.711), 19 STs (IOD, 0.934), and 3 STs (IOD, 0.151), respectively. The genetic variation among the potable water isolates was lower than that among cooling tower and hot spring isolates. ST1 was the predominant type, accounting for 49.4% of analyzed strains (n = 81), followed by ST154. With the exception of two strains, all potable water isolates (92.3%) belonged to ST1. In contrast, 53.1% (51/96) and only 14.3% (6/42) of cooling tower and hot spring, respectively, isolates belonged to ST1. There were differences in the distributions of clone groups among the water sources. The comparisons among L. pneumophila strains isolated in China, Japan, and South Korea revealed that similar clones (ST1 complex and ST154 complex) exist in these countries. In conclusion, in China, STs had several unique allelic profiles, and ST1 was the most prevalent sequence type of environmental L. pneumophila serogroup 1 isolates, similar to its prevalence in Japan and South Korea.
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