Distinct difference of flaA genotypes of Legionella pneumophila between isolates from bath water and cooling tower water.
To investigate the genetic difference of Legionella pneumophila in human-made environments, we collected isolates of L. pneumophila from bath water (n = 167) and cooling tower water (n = 128) primarily in the Kanto region in 2001 and 2005. The environmental isolates were serogrouped and sequenced for a target region of flaA. A total of 14 types of flaA genotypes were found: 10 from cooling tower water and nine from bath water. The flaA genotypes of isolates from cooling tower water were quite different from those of bath water.
Amemura-Maekawa
Junko
J
Department of Bacteriology, National Institute of Infectious Diseases, Tokyo, Japan. jmaekawa@nih.go.jp
Kura
Fumiaki
F
Chang
Bin
B
Suzuki-Hashimoto
Atsuko
A
Ichinose
Masayuki
M
Endo
Takuro
T
Watanabe
Haruo
H
D000389:Air Conditioning / Q000295:instrumentation*; D000595:Amino Acid Sequence; D015373:Bacterial Typing Techniques; D001483:Base Sequence; D005408:Flagellin / Q000737:chemistry / Q000235:genetics*; D005838:Genotype; D006801:Humans; D016952:Legionella pneumophila / Q000145:classification* / Q000235:genetics / Q000302:isolation & purification; D008969:Molecular Sequence Data; D016133:Polymerase Chain Reaction; D017422:Sequence Analysis, DNA; D012703:Serotyping; D014871:Water Microbiology; D014881:Water Supply
D005408:Flagellin; C067138:flaA protein, bacteria