DESCRIPTION OF SPECIES OF STREPTOM1 CES L93 



son, L. E. Antibiotics iV Chemotherapy 6 : and Tomiyama, Y. J. Antibiotics (Japan) 



•Jill 298, L956). 1 1 A: si 83, L958). 



Morphology: Aerial hyphae branch pro- Morphology: Sporophores wavy, produc- 

 fusely producing closed or open spirals, ing numerous small spirals, 

 sinistrorse and dextrorse, depending on com- Sucrose nitrate agar: Growth slow, pene- 

 position of medium. Spiral chain- consist of trating into medium, yellow reverse. At firsl 

 3 to 7 turns. Spores powdery, blue-gray to no aerial mycelium; later mycelium pro- 

 blue-green, depending on the medium. Mos1 duced, white becoming gray, then reddish- 

 spirals occur singly; a few are found in gray or black-buff. Soluble pigmenl slighl 

 groups of two or three measuring 5 to 20 m yellow. 



in length and -\ to 5 m in width. Spores Nutrient agar: Growth good. Reverse 



spherical to oval, 1.0 to L .5 \i in diameter. cream-colored or yellow. Aerial mycelium 



Sucrose nitrate agar: Growth profuse, powdery, white. Soluble pigmenl absent or 



raised and somewhat wrinkled, honey-col- slightly yellow. 



ored. Aerial mycelium of young colonies Glucose-asparagine agar: Growth good, 



white to pale gray; older colonies have blue yellow, later becoming brown. Aerial myce- 



center. hum powdery, white, later becoming dark 



Glucose-asparagine agar: Growth profuse, brown. Soluble pigmenl yellow, 

 blue-gray. Soluble pigment yellow. Starchagar: Growth good, white, later lie- 

 Starch agar: Growth profuse. Center of coming olive-yellow. Strong hydrolysis of 

 colonies blue-green, edges white. No soluble starch. 

 pigment. Good hydrolysis. Potato: Growth good, raised. Aerial mv- 



Xutrient agar: Growth profuse. Center of celium white or cream-colored, powdery. No 



colonies blue-gray, edges powdery white. No change in color of plug, 



soluble pigmenl . ( lelatin: ( irowth on surface and in medium 



Potato: Growth light, raised with some poor. No aerial mycelium. Liquefaction ab- 



wrinkling. Center of colonies blue-gray with sent or limited. Melanin-negative. 



white edges. No soluble pigment. Milk: Growth good; white to cream-col- 



( lelatin: Growth blue-green in center with ored pellicle. No aerial mycelium. No soluble 



white edges. Soluble pigment yellow -green pigment. Peptonization slow. 



to black. Slow liquefaction. Melanin-posi- Carbon sources: Utilizes readily a variety 



tive. of carbon sources, but not intllin. 



Milk: Growth moderate, blue-gray and Antagonistic properties: Produces anti- 

 white. Slow peptonization. bid ic cellocidin, active against gram-posit ive 



Nitrate broth: Blue-green ring and white and gram-negative bacteria; this antibiotic 



pellicle. Soluble pigment yellow-tan. Nitrate also possesses ant icancer properties, 



strongly reduced. Habitat : Soil in Japan. 



Production of IPS: Positive. Remarks: The organism is closely related 



Antagonistic properties: Produces ami- to S. flavus. 



biotic chartreusin. - L strepiomyces chrysomallus Lindenbein, 



Remarks: EttlingereUZ. (1958) considered ,,,-._, , Un ,| ( , lh( . iM< w . Arch. Mikrobiol. 17: 



this species to be related to S. viridochromo- ogi qqq J.,--) 



'■'""*■ Morphology: Sub-irate growth soft, con- 



50. Streptomyces chibaensis Suzuki et al., sisting of long, branching hyphae, with mi- 



1958 (Suzuki, S., Nakamura, G., Okuma, K., merous staining granules. Sporophores long. 



