Klebsiella michiganensis

Klebsiella michiganensis is a species of bacteria in the genus Klebsiella and is one of the nine species in the Klebsiella oxytoca complex. It is closely related to the species K. oxytoca except K. michiganensis is negative in the pectin degradation test and negative by PCR for polygalacturonase gene pehX. The name K. michiganensis comes from the United States' state of Michigan, where the species was originally isolated from a toothbrush holder. It is capable of biofilm formation.

References

1. Yang J, Long H, Hu Y, Feng Y, McNally A, Zong Z. Klebsiella oxytoca Complex: Update on Taxonomy, Antimicrobial Resistance, and Virulence. Clin Microbiol Rev. 2022 Jan 19;35(1):e0000621. doi: 10.1128/CMR.00006-21.

2. Saha R, Farrance CE, Verghese B, Hong S, Donofrio RS. Klebsiella michiganensis sp. nov., a new bacterium isolated from a tooth brush holder. Curr Microbiol. 2013 Jan;66(1):72-8. doi: 10.1007/s00284-012-0245-x.

3. Saha, R., Saha, N., Atwain, A. et al. Evaluation of disinfection efficacy of ozone and chlorinated disinfectant against the biofilm of Klebsiella michiganensis and Pseudomonas aeruginosa . Ann Microbiol 64, 1607–1613 (2014). https://doi.org/10.1007/s13213-014-0804-4