Surface layer protein EA1 is not a component of Bacillus anthracis spores but is a persistent contaminant in spore preparations.
EA1 is an abundant, highly antigenic, surface layer protein of Bacillus anthracis vegetative cells. Recent studies indicate that EA1 is also a component of B. anthracis spores and a potential marker for spore detection. We show here that EA1 is not a spore component but a persistent contaminant in spore preparations.
Williams
David D
DD
Department of Microbiology, University of Alabama at Birmingham, Birmingham, Alabama 35294, USA.
Turnbough
Charles L
CL
D001408:Bacillus anthracis / Q000737:chemistry*; D001426:Bacterial Proteins; D008562:Membrane Glycoproteins / Q000032:analysis*; D013171:Spores, Bacterial / Q000737:chemistry*
D001426:Bacterial Proteins; D008562:Membrane Glycoproteins; C055764:S-layer proteins