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Biochem Biophys Res Commun. 1998 Sep 18;250(2):403-8.

Use of fluorescein labelled antibody and fluorescence activated cell sorter for rapid identification of Mycobacterium species.

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School and Graduate Institute of Medical Technology, College of Medicine, National Taiwan University, Taipei, R.O.C.


A fluorescein labelled antibody (Ab)/Fluorescence Activated Cell Sorter (FACS)-based assay was developed for detection of a wide range of mycobacterial species directly from bacterial culture and sputum specimens. The whole process could be completed within 3 hours and had a high specificity and sensitivity for cultured bacteria. The method was also shown to be applicable for direct identification from clinical specimens. This study showed that pretesting of clinical specimens for mycobacteria to the genus level with an antibody to Mycobacterium species offers the routine clinical laboratory a single convenient test for the detection of tuberculous and nontuberculous mycobacteria. Depending on the availability of species-specific antibody, the identification of Mycobacterium to the species level can be achieved.

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