Which of the following antibiotic is active against fungus

Options

A. Streptomycin
B. Polyenes
C. Tetracycline
D. Neomycin

Answer

B

Explanation

Polyene antibiotics are obtained from some species of streptomyces bacteria. The Polyenes bind to ergosterol in the fungal cell membrane and thus weaken it, causing leakage of `K^(+)` and `Na^(+)` ions.