Quantitative strain of Micrococcus luteus|BNCC361908 |BNCC

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Quantitative strain of Micrococcus luteus-BNCC
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  • Micrococcus luteus-BNCC

Micrococcus luteus

  • Price： Contact
  • number：BNCC361908
  • Packing：penicillin bottle;(1.9±0.2)× 10 3CFU/bottle
  • Form：
    The colony diameter is 1-2mm, round, with neat edges, opaque, yellow on the front, yellow on the back, convex in the middle, smooth and bright surface, moist texture, easy to stir up, G + (blue-purple), cocci, purity: pure
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Micrococcus luteus
Culture medium Nutritional gravy medium (English name: NA/NB): beef paste 3.0g, peptone 10.0g,NaCl 5.0g, agar 20.0g (not included in liquid medium), distilled water 1.0L,pH 7.0. Sterilization at 121 ℃ for 15min. [Note] Adding 5 mg MnSO4 · H2O to culture Bacillus is beneficial to produce spores.
Subculture procedure (1) According to the culture conditions, the bacteria are first cultured into a bacterial suspension; ② Measure the absorbance of the bacterial suspension and calculate the initial concentration of the bacterial suspension according to the standard formula; (3) The initial concentration multiplied by the survival rate is the actual concentration after freeze-drying; (4) Dilute the bacterial suspension according to the actual concentration after freeze-drying to obtain the target concentration, and then subpack and freeze-dry;
Growth conditions 37 ℃;18-24h; Aerobic;
Storage conditions -80 ℃
morphology The colony diameter is 1-2mm, round, with neat edges, opaque, yellow on the front, yellow on the back, convex in the middle, smooth and bright surface, moist texture, easy to stir up, G + (blue-purple), cocci, purity: pure
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