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THE ACTINOMYCETES, Vol. II 



Figure 38. Sporophores of S. diastaticus, X 15,000 (Courtesy of E. Baldacci, University of Milan. 

 Italy). 



uble pigment brown. Liquefaction fairly Habitat: Very common in soil. 



rapid. 



Starch: Hydrolysis weak. 

 Cellulose: No growth. 

 Nitrate: Reduction to nitrite strong. 

 Tyrosinase reaction: Positive. 

 Temperature: Optimum 35°C. 

 Antagonistic properties: Very strong. 



Remarks: Krassilnikov (1949) considered 

 this species as a variety of A. chromogenes. 

 Type culture: ATCC 12,309. 



()7. Streptomyces echinatus Corbaz el al., 

 1957 (Corbaz, R., Ettlinger, L., Gasmann, 

 Iv, Keller-Schierlein, W., Kradolfer, F., 

 Xeipp, L., Prelog, \ T ., Reusser, P., and 



