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Identification and differentiation of species and strains of Arthrobacter and Microbacterium barkeri isolated from smear cheeses with Amplified Ribosmal DNA Restriction Analysis (ARDRA) and pulsed field gel electrophoresis (PFGE)


, : Identification and differentiation of species and strains of Arthrobacter and Microbacterium barkeri isolated from smear cheeses with Amplified Ribosmal DNA Restriction Analysis (ARDRA) and pulsed field gel electrophoresis (PFGE). Systematic and Applied Microbiology 26(3): 438-444

ARDRA (Amplified Ribosomal-DNA Restriction Analysis) was used to differentiate among species and genera of Arthrobacter and Microbacteria. Species-specific restriction patterns of PCR-products were obtained with NciI for Arthrobacter citreus (DSM 20133T), A. sulfureus (DSM 20167T), A. globiformis (DSM 20124T) and A. nicotianae strains (DSM 20123T, MGE 10D, CA13, CA14, isolate 95293, 95294, and 95299), A. rhombi CCUG 38813T, and CCUG 38812, and Microbacterium barkeri strains (DSM 30123T, MGE 10D, CA12 and CA15, isolate 95292, and isolate 95207). All yellow pigmented coryneforme bacteria isolated from the smear of surface ripened cheeses were identified as either A. nicotianae or M. barkeri strains. Using pulsed field gel electrophoresis (PFGE) strain specific restriction pattern for all Arthrobacter species and Microbacteria tested were obtained with restriction enzymes AscI and SpeI.

US$19.90

PMID: 14529187

DOI: 10.1078/072320203322497473


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