Non–acid-fast aerobic actinomycetes include:
a. Nocardia.
b. Rhodococcus.
c. Streptomyces.
d. Gordona.
C
Streptomyces, Actinomadura, Dermatophilus, Nocardiopsis, and the thermophilic Actinomycetes are gram-positive, branching filaments that do not have mycolic acids present in their cell enve-lopes and are therefore non–acid-fast.
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Imagine that a cell can be treated with a drug that prevents proteins from undergoing large conformational changes. Which transport proteins would be unaffected by this drug treatment?
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