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The Journal of the Japanese Society for Clinical Microbiology |
Biblioraphy Information
| ArticleTitle |
Comparison of Klebsiella pneumoniae and Klebsiella variicola on adonitol hydrolysis ability and antimicrobial susceptibility |
| Language |
J |
| AuthorList |
Miki Kurosawa1), Tatsuya Ohno2), Tadatomo Ohyanagi1), Yoshiyuki Takahashi1), Yosuke Tanaka2), Momoko Anzai2), Tomonori Takano3), Hiroyuki Kunishima3), Hiromu Takemura4) |
| Affiliation |
1) Department of Clinical Laboratory, St. Marianna University School of Medicine
2) Department of Clinical Laboratory, St. Marianna University Yokohama Seibu Hospital
3) Department of Infectious Diseases, St. Marianna University School of Medicine
4) Department of Microbiology, St. Marianna University School of Medicine |
| Publication |
J.J.C.M.: 34 (2), 110-114, 2024 |
| Received |
June 25, 2023 |
| Accepted |
December 7, 2023 |
| Abstract |
Klebsiella pneumoniae complex includes four species, K. pneumoniae, Klebsiella variicola, Klebsiella quasipneumoniae, and Klebsiella africanensis. In this study, K. pneumoniae complex detected in blood culture-positive specimens were re-identified by MALDI-TOF MASS, and the possibility of identification of two species, K. pneumoniae and K. variicola, by using two methods, adonitol hydrolysis and antimicrobiol susceptibility testing, was investigated. Our findings revealed that 42 out of 43 isolates (97.8%) exhibiting negative adonitol hydrolysis and ampicillin susceptibility of ≤ 16 μg/mL were identified as K. variicola. However, 17 out of 59 isolates (28.8%) could not be reliably differentiated from K. variicola, suggesting that this criterion alone may not be a dependable means of identification. |
| Keywords |
Klebsiella pneumoniae complex, Klebsiella pneumoniae, Klebsiella variicola |
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