Chemical nature of steroid hormones

The serendipitous discovery and subsequent clinical success of penicillin prompted a large-scale search for other environmental microorganisms that might produce anti-infective natural products. Soil and water samples were collected from all over the world, leading to the discovery of streptomycin (derived from Streptomyces griseus ), and the realization that bacteria , not just fungi, represent an important source of pharmacologically active natural products. [26] This, in turn, led to the development of an impressive arsenal of antibacterial and antifungal agents including amphotericin B , chloramphenicol , daptomycin and tetracycline (from Streptomyces spp. ), [27] the polymyxins (from Paenibacillus polymyxa ), [28] and the rifamycins (from Amycolatopsis rifamycinica ). [29]

Chemical nature of steroid hormones

chemical nature of steroid hormones

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