Transfusion‐associated Yersinia enterocolitica

Transfusion‐associated Yersinia enterocolitica Number 3 Editorials Transfusion-associated Yersinia enterocolitica Yersinia enterocolitica is an emerging enteric pathogen associated with a wide spectrum of clinical and immunologic manifestations.’ There has been a rather dramatic increase in the frequency of isolation of this organism from both clinical and nonclinical specimens over the past two decades. I n several countries (Netherlands, Belgium, Canada, and Australia), Y. enterocolitica has surpassed Skigella and rivals Salnionella and Carnpylobacter as a cause of acute bacterial gastroenteritis. Y. enterocolitica is a facultatively anaerobic, gramnegative coccoid bacillus that is motile at 25°C but nonmotile at 37”C.2 Although the organisms multiply most rapidly at higher temperatures (25-37”C), they continue to do so at lower temperatures (e.g., 4°C) as well. Hence, their detection can be “enhanced” by incubating specimens at lower temperature^.^ Colonies of Y. enterocolitica grow slowly (48 hours) on routine enteric media and do not ferment lactose on media containing bile Salk2 Typical strains give positive reactions in Christensen’s urea agar. Strains previously termed “atypical Y. enterocolitica ” or ‘Y. enterocolitica-like organisms” have now been classified as separate species (Y. intermedia, Y. kristensenii, and Y. frederiksenii). Y. enterocolitica can be characterized by biochemical testing (five biotypes), serotyping (39 0 and 19 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Transfusion Wiley

Transfusion‐associated Yersinia enterocolitica

Transfusion, Volume 30 (3) – Mar 4, 1990

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Publisher
Wiley
Copyright
1990 AABB
ISSN
0041-1132
eISSN
1537-2995
DOI
10.1046/j.1537-2995.1990.30390194335.x
Publisher site
See Article on Publisher Site

Abstract

Number 3 Editorials Transfusion-associated Yersinia enterocolitica Yersinia enterocolitica is an emerging enteric pathogen associated with a wide spectrum of clinical and immunologic manifestations.’ There has been a rather dramatic increase in the frequency of isolation of this organism from both clinical and nonclinical specimens over the past two decades. I n several countries (Netherlands, Belgium, Canada, and Australia), Y. enterocolitica has surpassed Skigella and rivals Salnionella and Carnpylobacter as a cause of acute bacterial gastroenteritis. Y. enterocolitica is a facultatively anaerobic, gramnegative coccoid bacillus that is motile at 25°C but nonmotile at 37”C.2 Although the organisms multiply most rapidly at higher temperatures (25-37”C), they continue to do so at lower temperatures (e.g., 4°C) as well. Hence, their detection can be “enhanced” by incubating specimens at lower temperature^.^ Colonies of Y. enterocolitica grow slowly (48 hours) on routine enteric media and do not ferment lactose on media containing bile Salk2 Typical strains give positive reactions in Christensen’s urea agar. Strains previously termed “atypical Y. enterocolitica ” or ‘Y. enterocolitica-like organisms” have now been classified as separate species (Y. intermedia, Y. kristensenii, and Y. frederiksenii). Y. enterocolitica can be characterized by biochemical testing (five biotypes), serotyping (39 0 and 19

Journal

TransfusionWiley

Published: Mar 4, 1990

References

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