| 词条 | Citrobacter sedlakii |
| 释义 |
| color = lightgrey | name = Citrobacter sedlakii | regnum = Bacteria | phylum = Proteobacteria | classis = Gammaproteobacteria | ordo = Enterobacteriales | familia = Enterobacteriaceae | genus = Citrobacter | species = C. sedlakii | binomial = Citrobacter sedlakii | binomial_authority = Brenner et al. 1993 }} Citrobacter sedlakii is a species of Gram-negative bacteria.[1] It has been described as causing human disease, but is generally found as a non-pathogenic organism in human stools. HistoryC. sedlakii was originally isolated from human stool and wounds as strains of Citrobacter freundii.[1] However, in 1993 six strains of C. freundii were identified as a separate species based on DNA hybridization, and were named C. sedlakii to honor Czech microbiologist Jiri Sedlak.[1]DescriptionC. sedlakii is a rod-shaped gram-negative bacterium. It can be distinguished from other Citrobacter species by its ability to produce indole, arginine dihydrolase activity, and ornithine decarboxylase activity.[1]Role in diseaseC. sedlakii was originally isolated from human stool and wounds and was suggested to be pathogenic in humans.[1] While some reports have described C. sedlakii as causing illness in humans, it is frequently found in stool and is not thought to be pathogenic in most cases.[2] C. sedlakii can express the O157 antigen which is commonly found on pathogenic E. coli, however this does not cause disease.[3]References1. ^1 2 3 4 {{cite journal|last1=Brenner|first1=D. J.|last2=Grimont|first2=P. A. D.|last3=Steigerwalt|first3=A. G.|last4=Fanning|first4=G. R.|last5=Ageron|first5=E.|last6=Riddle|first6=C. F.|title=Classification of Citrobacteria by DNA Hybridization: Designation of Citrobacter farmeri sp. nov., Citrobacter youngae sp. nov., Citrobacter braakii sp. nov., Citrobacter werkmanii sp. nov., Citrobacter sedlakii sp. nov., and Three Unnamed Citrobacter Genomospecies|journal=International Journal of Systematic Bacteriology|volume=43|issue=4|year=1993|pages=645–658|issn=0020-7713|doi=10.1099/00207713-43-4-645|pmid=8240948}} 2. ^{{cite journal |url=http://jcm.asm.org/content/35/10/2686.full.pdf |title=Citrobacter sedlakii Meningitis and Brain Abscess in a Premature Infant |author1=James Dyer |author2=Karen C. Hayani |author3=William M. Janda |author4=Paul C. Schreckenberger |date=10 July 1997 |journal=Journal of Clinical Microbiology |publisher=American Society for Microbiology |volume=35 |issue=10 |pages=2686–2688 |accessdate=19 December 2016 |archiveurl=https://web.archive.org/web/20161220040027/http://jcm.asm.org/content/35/10/2686.full.pdf |archivedate=20 December 2016 |deadurl=no |pmid=9316937 |pmc=230040 |df= }} 3. ^{{cite journal |url=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC104838/pdf/jm001408.pdf |title=Isolation of a Nonpathogenic Strain of Citrobacter sedlakii Which Expresses Escherichia coli O157 Antigen |author1=C.H. Park |author2=E.A. Martin |author3=E.L. White |journal=Journal of Clinical Microbiology |publisher=American Society for Microbiology |date=27 January 1998 |volume=36 |issue=5 |pages=1408–1409 |pmc=104838 |pmid=9574715 |accessdate=19 December 2016}} External links
2 : Citrobacter|Bacteria described in 1993 |
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