BeNa Culture Collection
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| Culture medium | BNCC352238 |
| Description | MRS agar medium |
| Composition | Peptone:10.0g, Beef Extract Powder:8.0g, Yeast Powder:4.0g, Glucose:20.0g, MgSO4:0.2g, CH3COONa:5.0g, C6H8O7.(NH4)2:2.0g, K2HPO4:2.0g, MnSO4:0.04g, Tween 80:1.0g, Agar:14.0g, pH:5.7±0.2(25℃) |
| Growth conditions | 30°C; 18-24h; aerobic |
| Subculture procedure | ① Prepare 1 tube containing 5-10mL liquid medium and 2 plates; ② Open in a safety cabinet, cauterize the top with an alcohol lamp, then quickly add sterile water to rupture it; break it into pieces with forceps; ③ Pipette 0.5 mL of liquid medium into the freeze-dried vial, dissolve completely, then return to the liquid test tube and mix thoroughly; ④ Pipette 0.2 mL of bacterial suspension onto a Agar plate, spread evenly; repeat twice to obtain two plates; ⑤ Incubate all liquid tubes and plates under the specified conditions. The culture is ready for use once growth appears. |
| Storage conditions | 2-8°C |
| Safety level | 1 |
| morphology | Colony diameter: 0.5–1 mm; circular, with neat edges; opaque, grayish-white on top; centrally raised; smooth surface; easily liftable; Gram-positive (blue-violet); cocci |
| Sharing mode | Public welfare sharing |
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