| Western Blot Analysis of the Exotoxins Components from Bacillus anthracis Separated by Isoelectric Focusing Gel Electrophoresis (1998) | |||||||||||
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| The components of the Bacillus anthracis exotoxins, protective antigen (PA), lethal factor (LF), and edema factor (EF), from 24 isolates were separated by isoelectric focusing gel electrophoresis and detected by Western blot with monoclonal antibodies. Only two isoforms each were observed for PA and EF. Four isoforms were identified for LF. The biological activities of both lethal toxin and edema toxin were measured by using in vitro cell-based assays. This study provides another method of characterizing various isolates of B. anthracis by determining the isoelectric points of the exotoxin components and may be useful in the development of protective vaccines against B. anthracis infection.. Pub. in Biochemical Biophysical Research Communication, v317, p294-300, 2004. | |||||||||||
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