You could have an infection caused by bacteria, yeast, or viruses. Chemicals in soaps, sprays, or even clothing that come in contact with this area could be irritating the delicate skin and tissues. It's not always easy to figure out what's going on, though.
They produce over two-thirds of the clinically useful antibiotics of natural origin (e.g., neomycin, cypemycin, grisemycin, bottromycins and chloramphenicol). The now uncommonly used streptomycin takes its name directly from Streptomyces.treptomyces is the largest antibiotic-producing genus, producing antibacterial, antifungal, and antiparasitic drugs, and also a wide range of other bioactive compounds, such as immunosuppressants.
Antibiotic produced by Streptomyces caespitosus, variants of which are designated mitomycin A, mitomycin B, etc.; mitomycin C is an antineoplastic agent and a bacteriocide; inhibits DNA synthesis. mitomycin. 1. any of a group of antitumor antibiotics (e.g., mitomycin A, B, C) produced by Streptomyces caespitosus. 2. mitomycin C, which inhibits DNA and RNA synthesis by causing cross-linking of DNA. It is effective against cancers of the breast, lung, cervix, bladder, and gastrointestinal tract but because of its toxicity is mainly used for palliative treatment of patients who have not responded to other treatment.