21. From the sample Streptomyces avermitilis, naturally produced in soil, he derived macrocylclic lactone. 22. The source of the odour was suggested to be oxygen-dependent actinobacteria and streptomyces . 23. The xylose isomerase from " Streptomyces olivochromogenes " is used in the food industry. 24. The strain EKH2 from " Streptomyces ruber " has activity against virulent fish pathogens. 25. It is a naturally occurring compound found in the soil saprotroph " Streptomyces roseosporus ". 26. Natamycin was originally named pimaricin to honor Pietermartizburg, where " Streptomyces natalensis " was acquired. 27. It is a sesquiterpenoid that was already known from the soil bacterium " Streptomyces albidoflavus ". 28. Echinomycin is isolated from various bacteria such as " Streptomyces " " lasalienis ". 29. Natamycin was first isolated in 1955 from fermentation broth of a " Streptomyces natalensis " cell culture. 30. In 2006, the biosynthesis of geosmin by a bifunctional " Streptomyces coelicolor " enzyme was unveiled.
