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Enterobacter pulveris sp. nov., isolated from fruit powder, infant formula and an infant formula production environment

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Abstract
Six Gram-negative, facultatively anaerobic, non-spore-forming, coccoid rod-shaped isolates were obtained from fruit powder (n=3), infant formula (n=2) and an infant formula production environment (n=1) and investigated in a polyphasic taxonomic study. Comparative 16S rRNA gene sequence analysis combined with rpoB gene sequence analysis allocated the isolates to the family Enterobacteriaceae. The highest rpoB gene sequence similarities (91.2 - 95.8%) were obtained with Enterobacter helveticus, Enterobacter radicincitans, Enterobacter turicensis and Enterobacter sakazakii and the phylogenetic branch formed by these species was supported by a high bootstrap value. Biochemical data revealed that the isolates could be differentiated from their nearest neighbours by their ability to utilize melibiose, sucrose, D-arabitol, mucate and 1-O-methyl-alpha-galactopyranoside and their negative reactions for D-sorbitol utilization and the Voges-Proskauer test. On the basis of the phylogenetic analyses, DNA - DNA hybridization data, and unique physiological and biochemical characteristics, it is proposed that the isolates represent a novel species of the genus Enterobacter, Enterobacter pulveris sp. nov. The type strain is 601/05(T) (=LMG 24057(T)=DSM 19144(T)).

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Chicago
Stephan, Roger, Stefanie Van Trappen, Ilse Cleenwerck, Carol Iversen, Han Joosten, Paul De Vos, and Angelika Lehner. 2008. “Enterobacter Pulveris Sp. Nov., Isolated from Fruit Powder, Infant Formula and an Infant Formula Production Environment.” International Journal of Systematic and Evolutionary Microbiology 58 (1): 237–241.
APA
Stephan, R., Van Trappen, S., Cleenwerck, I., Iversen, C., Joosten, H., De Vos, P., & Lehner, A. (2008). Enterobacter pulveris sp. nov., isolated from fruit powder, infant formula and an infant formula production environment. International Journal of Systematic and Evolutionary Microbiology, 58(1), 237–241.
Vancouver
1.
Stephan R, Van Trappen S, Cleenwerck I, Iversen C, Joosten H, De Vos P, et al. Enterobacter pulveris sp. nov., isolated from fruit powder, infant formula and an infant formula production environment. International Journal of Systematic and Evolutionary Microbiology. 2008;58(1):237–41.
MLA
Stephan, Roger, Stefanie Van Trappen, Ilse Cleenwerck, et al. “Enterobacter Pulveris Sp. Nov., Isolated from Fruit Powder, Infant Formula and an Infant Formula Production Environment.” International Journal of Systematic and Evolutionary Microbiology 58.1 (2008): 237–241. Print.
@article{626869,
  abstract     = {Six Gram-negative, facultatively anaerobic, non-spore-forming, coccoid rod-shaped isolates were obtained from fruit powder (n=3), infant formula (n=2) and an infant formula production environment (n=1) and investigated in a polyphasic taxonomic study. Comparative 16S rRNA gene sequence analysis combined with rpoB gene sequence analysis allocated the isolates to the family Enterobacteriaceae. The highest rpoB gene sequence similarities (91.2 - 95.8\%) were obtained with Enterobacter helveticus, Enterobacter radicincitans, Enterobacter turicensis and Enterobacter sakazakii and the phylogenetic branch formed by these species was supported by a high bootstrap value. Biochemical data revealed that the isolates could be differentiated from their nearest neighbours by their ability to utilize melibiose, sucrose, D-arabitol, mucate and 1-O-methyl-alpha-galactopyranoside and their negative reactions for D-sorbitol utilization and the Voges-Proskauer test. On the basis of the phylogenetic analyses, DNA - DNA hybridization data, and unique physiological and biochemical characteristics, it is proposed that the isolates represent a novel species of the genus Enterobacter, Enterobacter pulveris sp. nov. The type strain is 601/05(T) (=LMG 24057(T)=DSM 19144(T)).},
  author       = {Stephan, Roger and Van Trappen, Stefanie and Cleenwerck, Ilse and Iversen, Carol and Joosten, Han and De Vos, Paul and Lehner, Angelika},
  issn         = {1466-5026},
  journal      = {International Journal of Systematic and Evolutionary Microbiology},
  language     = {eng},
  number       = {1},
  pages        = {237--241},
  title        = {Enterobacter pulveris sp. nov., isolated from fruit powder, infant formula and an infant formula production environment},
  url          = {http://dx.doi.org/10.1099/ijs.0.65427-0},
  volume       = {58},
  year         = {2008},
}

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