Enterobacter kobei
| Enterobacter kobei | |
|---|---|
Scientific classification 
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| Missing taxonomy template (fix): | Enterobacter |
| Species: | Template:Taxonomy/EnterobacterE. kobei
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| Binomial name | |
| Template:Taxonomy/EnterobacterEnterobacter kobei Kosako et al. 1997[1]
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Enterobacter kobei is a species of Gram-negative, facultatively anaerobic, motile, rod-shaped bacterium in the family Enterobacteriaceae. It belongs to the Enterobacter cloacae complex, whose members can be difficult to distinguish using routine phenotypic tests or 16S rRNA gene sequencing.[2] Strains have been recovered from human clinical specimens and environmental samples.[3][4]
Taxonomy
The specific epithet kobei means "of Kobe", referring to Kobe, Japan.[1] The type strain, NIH 1485-79 (DSM 13645; JCM 8580), was isolated from the blood of a patient with diabetes.[5]
Characteristics
Cells are Gram-negative, motile rods, and the species is facultatively anaerobic.[3][5] The type-strain culture has been reported to grow between 10 and 41 °C. Reported metabolic characteristics include fermentation of glucose and lactose, utilization of citrate, and reduction of nitrate.[5]
Species-level identification within the E. cloacae complex may require analysis of genes such as hsp60 or whole-genome sequencing. In a study of 183 clinical isolates of the complex collected from eight hospitals in South Korea, 25 isolates were identified as E. kobei by hsp60 sequence analysis.[2]
Clinical significance and antimicrobial resistance
Enterobacter kobei has been associated with hospital-acquired bloodstream and urinary tract infections. During an outbreak in a neonatal intensive care unit in Nepal, the bacterium was recovered from the blood cultures of 11 neonates, five of whom died. Whole-genome sequencing showed that 10 of the 11 isolates were clonal. The outbreak isolates carried antimicrobial resistance genes including blaAmpC and mcr-10 and displayed reduced susceptibility to carbapenems and colistin.[6]
Antimicrobial resistance genes do not necessarily produce the same susceptibility phenotype in every strain. An environmental strain isolated from a domestic kitchen sink in China carried plasmid-borne mcr-10.1 but remained susceptible to colistin; it was resistant to several other antibiotics, including cefazolin, cefoxitin, and fosfomycin.[4]
References
- ↑ 1.0 1.1 "Species: Enterobacter kobei". List of Prokaryotic names with Standing in Nomenclature. Leibniz Institute DSMZ. Retrieved 16 August 2026.
- ↑ 2.0 2.1 Ganbold, Michidmaral; Seo, Jungyu; Wi, Yu Mi; Kwon, Ki Tae; Ko, Kwan Soo (2023). "Species identification, antibiotic resistance, and virulence in Enterobacter cloacae complex clinical isolates from South Korea". Frontiers in Microbiology. 14. doi:10.3389/fmicb.2023.1122691. PMC 10076837 Check
|pmc=value (help). PMID 37032871 Check|pmid=value (help). Unknown parameter|article-number=ignored (help) - ↑ 3.0 3.1 Kosako, Yoshimasa; Tamura, Kazumichi; Sakazaki, Riichi; Miki, Kanzi (1996). "Enterobacter kobei sp. nov., a new species of the family Enterobacteriaceae resembling Enterobacter cloacae". Current Microbiology. 33 (4): 261–265. doi:10.1007/s002849900110. PMID 8824173.
- ↑ 4.0 4.1 Liu, Xuejuan; Li, Ping; Yan, Yong; Gao, Lei; Jia, Miaomiao; Wang, Shan; He, Peiyan; Zhu, Guoying; Chen, Zhongwen (2026). "First report and genomic characterization of an mcr-10.1-carrying Enterobacter kobei strain isolated from a domestic kitchen sink in China". BMC Microbiology. 26. doi:10.1186/s12866-026-05205-2. Unknown parameter
|article-number=ignored (help) - ↑ 5.0 5.1 5.2 "Enterobacter kobei DSM 13645". BacDive. Leibniz Institute DSMZ. Retrieved 16 August 2026.
- ↑ Manandhar, Sulochana; Nguyen, Quynh; Pham, Duc T.; Amatya, Prativa; Rabaa, Maia; Dongol, Sabina; Basnyat, Buddha; Dixit, Sameer Mani; Baker, Stephen; Karkey, Abhilasha (2022). "A fatal outbreak of neonatal sepsis caused by mcr-10-carrying Enterobacter kobei in a tertiary care hospital in Nepal". Journal of Hospital Infection. 125: 60–66. doi:10.1016/j.jhin.2022.03.015. PMID 35460799 Check
|pmid=value (help).
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