Morphology & PhysiologyGram-positive, aerobic spore-formingbailliSpores formed in culture, soil, and deadanimal tissues but not in live animalsSpores remain viable in soil for decadesSHIHEZI UNIVERSITY
Morphology & Physiology Gram-positive, aerobic, spore-forming bacilli Spores formed in culture, soil, and dead animal tissues but not in live animals Spores remain viable in soil for decades SHIHEZI UNIVERSITY
MorphologyThe typical cells, measuring I× 3-4 μmhave square ends and are arranged in longchainsI Spores are located in the center ofthenonmotile bacili
Morphology The typical cells, measuring 1 × 3–4 m have square ends and are arranged in long chains Spores are located in the center of the nonmotile bacilli
Gram positive B. anthracis in the CSFSHIHEZI UNIVERSITY
Gram positive B. anthracis in the CSF SHIHEZI UNIVERSITY
Colony: “cut glass'SHIHEZI UNIVERSITY
Colony: “cut glass” SHIHEZI UNIVERSITY
Pathogenesis: Anthrax Major disease threat to herbivores (cattlesheep, horses, hogs, goatsHumans infected by direct contact withdiseased animal, hides, wool, brushes, orbone mealInhalation of infected dust (Wool sorter'sdisease)Basis for Koch's postulateSHIHEZI UNIVERSITY
Pathogenesis: Anthrax Major disease threat to herbivores (cattle, sheep, horses, hogs, goats) Humans infected by direct contact with diseased animal, hides, wool, brushes, or bone meal Inhalation of infected dust (Wool sorter's disease) Basis for Koch’s postulate SHIHEZI UNIVERSITY