Electrophoretic mobility anomalies associated with PCR amplification of the intergenic spacer region between 16S and 23S ribosomal RNA genes of Fusobacterium necrophorum. |
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| Authors: | S K Narayanan T G Nagaraja M M Chengappa G C Stewart |
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| Affiliation: | Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, 1800 Denison Ave., 66506, Manhattan, KS, USA. |
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| Abstract: | PCR amplification of the intergenic spacer region (ISR) between 16S and 23S rRNA genes among subspecies of the anaerobic bacterium Fusobacterium necrophorum gave identical patterns, with two forms of ISR identified. However, extra bands resulting from anomalous electrophoretic mobility of amplified DNA fragments with certain primer combinations were encountered. Therefore, PCR assays relying solely on banding patterns may be unreliable, and supporting sequence analysis is essential for correct culture identification. |
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