You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Nocardia is differentiated from Actinomyces by ? and explain in detail?
Ans. is 'b' i.e. Z.N. Stain Differences between Actinomyces and Nocardia Actinomyces Nocardia . Anaerobic or microaeroph i I ic . Non-acid fast . Strict aerobe . Acid fast (N. astroides and N. brasilensis) . Natural habitat mouth, . Natural habitat -- Soil intestine, vagina . Most infections are endogenous . Most infections are exogenous . Grows at 35 - 37degC . Can grow at wide range of temperature . Causes Actinomycosis . Causes Nocardiasis . Can occur with normal host . More common with deficient CMI immunity . T/t --> Penicillin . T/t ---> Sulfonamide . Nocardia is acid fast, can be differentiated from Actinomyces by Ziehl Neelsen (Z.N.) stain. . Both can cause actinomycetoma. . Both are gram positive so can not be differentiated by Gram stain.