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Updated: Jul 16, 2026

Identification of Rare Bacterial Pathogens by 16S rRNA Gene Sequencing and MALDI-TOF MS
Published on: July 11, 2016
Description of Pseudochrobactrum kiredjianiae sp. nov
Peter Kämpfer1, Holger Scholz2, Birgit Huber3
1Institut für Angewandte Mikrobiologie, Justus-Liebig-Universität Giessen, D-35392 Giessen, Germany.
Abstract:
A Gram-negative, rod-shaped, oxidase-positive, non-spore-forming, non-motile bacterium (strain CCUG 49584(T)), isolated from a seafood processing plant sample in New Zealand, was subjected to a polyphasic taxonomic study. On the basis of 16S rRNA and recA gene sequence similarities, the isolate was allocated to the genus Pseudochrobactrum. This was confirmed by fatty acid data (major fatty acids: C(18 : 1)omega7c and C(19 : 0) cyclo omega8c), a polar lipid profile exhibiting major characteristics of Pseudochrobactrum (phosphatidylethanolamine, phosphatidylmonomethylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, phosphatidylcholine), quinone system Q-10 and a polyamine pattern with the predominant compounds spermidine and putrescine. DNA-DNA hybridization with the type strains of the two established species of Pseudochrobactrum and physiological and biochemical data clearly differentiated the isolate from established Pseudochrobactrum species. As a consequence, this organism represents a novel species, for which the name Pseudochrobactrum kiredjianiae sp. nov. is proposed, with the type strain CCUG 49584(T) (=CIP 109227(T)).
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