DESCRIPTION OF SPECIES OF STREPTOMYCES 22] 



Grundy, W. E. Antibiotics & Chemother- Antagonistic properties: Produces hy- 



apy 1:309 317, L951). droxystreptomycin. 



Morphology: Sporulation occurs besl on a Type culture: [MRU 3557; ATCC 12,628. 



carbon-free sail agar, to which 0.5 per ecu , ()() streptomyces griseochromogenes Fuku- 



soluble starch has been added. Sporophores naga tf ^ ,,,-- , Fukunagaj K>> Misat0] T< 



straight, forming no spirals. Spores coccoid Mui _ , ;m(1 Asakawa> M . B ull. Agr. Chem 



fcooval > Ll fc0 1-6 by O. 1 : to 1.1 m. Soc. Japan L9: L81 L88, L955). 



Agar media: Aerial mycelium on some Morphology: Sporophores form closed spi- 



media powdery, becoming gray, bul no spor- ralg ())1 gtarch agar . th( , n . are 1|(( s))iraU ny 



illation. When sporulation ..ecus the myce- only curling tipSj t(imi( , ( , ()M sum)S(i liilr;it( . 



Il,1,n becomes lighl pmk. ;m( j g i UC0S e-asparagine agars. Spores spheri- 



Suen.se nitrate agar: Growth limited, ca i or oval, about 1.0 to 1.5 M - 



white. Aerial mycelium white, no sporula- Surms(1 m11 . al( . agar . ( ;,. mvth spreadingj 



" <)IK orange-cinnamon. Aerial mycelium white or 



Glucose-asparagine agar: Growth moder- light neut ral gray. No soluble pigment. 



ate. Aerial mycelium powdery, white, no Glucose-asparagine agar: Growth .<- 



sporulation. stricted, ivory-yellow, penetrating into the 



Calcium malate agar: Growth moderate, medium . No aeria] myce i mmj i ater white. 



white. Aerial mycelium white, no sporula- No soluble pigment. 



"' ,n ' Nutrient agar: Growth restricted, opales- 



Nutrient agar: Growth moderate, cream- cent Nq ;i( ,,. |;(| mycelium- Soluble pigment 



colored. No aerial mycelium. Soluble pig- brown 



met lighl yellow-brown. ,, ()tat(): Qrowth abundantj wri „kl,,l. 



Oatmeal agar: Growth luxuriant, brown. snuff „ brown . Ama) myce lium white to 



Aerial mycelium abundant, fluffy, white; no mouse _ gray . Color of plug dark brown to 



sporulation. No soluble pigment. 1)1;(rk ;(1 . (mn(1 growth 



Potato: Growth cream-colored. Aerial my- Gelatin: Growth wrinkled, yellowish in 



cehum gray. Soluble pigment light brown, liquefied portion . Aeria] myC elium whit,-. 



turning dark brown. S( . :mt Lique f actioi] medium. Soluble pig- 

 Gelatin: Growth cream-colored to brown. m( , nt ( lark brown to black. 



Rapid liquefaction. Soluble pigmenl dark Milk: Growth as surface ring, brown. No 



,rown - coagulation; peptonization begins in 8 days 



Milk: Growth .lark brown to black. No ;i , :i7 - r:11()t completed in 21 days. 



coagulation; rapid peptonization. Soluble Nitrate reduction: Positive. 



I ,1 -" 1< ' 1 " brown - Cellulose: No growth. 



Starch: Hydrolysis. Tyrosine agar: Growth orange-colored. No 



Carl.,,,, utilization: Glucose, dextrin, so i ub i e pigment . 



-larch, glycerol, calcium malate, and sodium rnvprtas •' 1* «itivp 



succinate rapidly utilized. Mannose, mal- Carbon utilization: (duc.se, D-fructose, 



tose, mositol, and sodium acetate utilized D _ galactosej ma i t0 se, lactose, raffinose, d- 



slowly. Xylose, galactose, sorbose, sucrose, ma nnitol, DL-inositol utilized. Rhamnose, 



cellobiose, melibiose, lactose, mannitol, sor- iliu | uii D . sor bitol, dulcitol, salicin, sodium 



bitol, sodium citrate, and potassium sodium acetate, sodium citrate, sodium succinate not 



tartrate not utilized. ut ilized. 



Nitrate reduction : Negative. Antagonistic properties: Produce- blasti- 



Production of IIS: Positive. cidinsA, B, and C, active againsl fungi. 



