Safety pin appearance is seen in -: (A) Vibrio vulnificus, (B) Vibrio parahemolyticus, (C) Pseudomonas aeuroginosa, (D) H. influenzae
Answer is B. Ans. is 'b' i.e., Vibrio parahemolyticus Bipolar staining (safety pin appearance)o Some bacteria display a safety pin appearance due to the accumulation of dye at the poles of the cells,o This characteristic is called bipolar staining.o Bacteria showing bipolar staining are-1. Caiymmatobacter granulomatis (Donovani granuiomads)2. Pseudomonas mallei3. Pseudomonas pseudomallei4. Vibrio parahemolyticus5. Yersinia pestis6. H. ducreyi