Final Answer:
Bacillus anthracis Nonhemolytic exhibits gamma hemolysis. Catalase is positive, and motility is nonmotile. Capsules are seen in cerebrospinal fluid (CSF) smears.
Step-by-step explanation:
Bacillus anthracis is characterized by its nonhemolytic nature, indicating gamma hemolysis. This means there is no hemolysis of red blood cells, as opposed to alpha or beta hemolysis. The lack of observable hemolysis is a key diagnostic feature for identifying the organism. In the context of catalase, Bacillus anthracis is catalase positive, meaning it produces the enzyme catalase, which catalyzes the breakdown of hydrogen peroxide into water and oxygen. This characteristic is useful in differentiating it from other bacteria.
Motility is an important aspect in bacterial identification. Bacillus anthracis is nonmotile, meaning it does not exhibit active movement. This lack of motility is a distinguishing feature that aids in the classification of the bacterium. Finally, the presence of capsules in cerebrospinal fluid (CSF) smears is a significant finding. Capsules are protective layers around bacteria that contribute to their virulence. Detecting capsules in CSF smears can be indicative of the ability of the bacterium to cause severe infections, emphasizing the importance of this observation in clinical settings. Overall, the combination of these characteristics provides a comprehensive profile for identifying Bacillus anthracis Nonhemolytic in a laboratory setting.