Streptomyces hygroscopicus and use thereof
A technology of Streptomyces hygroscopicus and strains, applied in the direction of bacteria, microorganisms, biochemical equipment and methods, etc., can solve the problems of many fermentation by-products, difficult chromatographic separation, low product yield, etc., and achieve less fermentation by-products, reduce Difficulty, the effect of stabilizing production capacity
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Embodiment 1
[0031] Example 1: The culture characteristics of the bacterial strain whose preservation number is CCTCC NO: M 207200
[0032] The medium recommended by the International Streptomyces Program and the medium recommended by Waksman were used to describe the culture characteristics. The strain with the preservation number CCTCC NO: M 207200 was cultured at 25-30°C for 7, 14, and 28 days to observe the results. The description of color adopts "chromatogram" published by Science Press in 1957.
[0033] The preservation number is CCTCC NO: M 207200. The air filament growth of the bacterial strain is poor-medium, white-medium gray (IX44'), and black water-absorbing spots appear after 2 to 3 weeks of cultivation. The base filaments are well developed, colorless-beige (Ic34') on inorganic medium, and light mango yellow-light turtle gray (Ia33'-Ic54') on organic medium. There are beige soluble pigments only on glycerol-calcium malate agar.
[0034] Culture characteristics of the stra...
Embodiment 2
[0036] Example 2: Physiological and biochemical characteristics
[0037] Physiological and biochemical properties used standard methods in the classification of Streptomyces.
[0038] The strain with the preservation number CCTCC NO: M 207200 can utilize cellulose, hydrolyze starch, liquefy gelatin, freeze and coagulate milk, reduce nitrate, and do not produce H 2 S; growth pH 5 ~ 9, growth temperature 15 ~ 40 ℃.
Embodiment 3
[0039] Example 3: Carbon source utilization
[0040] The carbon source utilization test used Chapeauer and Goose No. 1 agar without carbon source as the basic medium, added 2% of various carbon sources respectively, and inserted into the strain with the preservation number of CCTCC NO: M 207200, cultured at 25-30°C for 10 , 20 days observation results.
[0041] The strain with the preservation number CCTCC NO: M 207200 can utilize most carbon sources such as glucose, mannose, fructose, sucrose, glycerin, raffinose, starch, etc., and does not utilize carbon sources such as sorbose and rhamnose.
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