Neisseria meningitidis|378155 |BNCC

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Neisseria meningitidis (Albrecht and Ghon) Murray

Culture medium	BNCC352241
Description	Columbia blood agar plate
Composition	Special Peptone:23.0g, Soluble Starch:1.0g, NaCl:5.0g, Agar:10.0g, Defibrinated Sheep Blood:5%(added at 50℃), pH:7.3±0.2(25℃)
Growth conditions	37°C; 48-72h; 5% CO₂
Subculture procedure	① Prepare 1-2 fresh plates as described above; ② Open in a safety cabinet, cauterize the top with an alcohol lamp, then quickly add sterile water to break it open; use forceps to crush it; ③ Pipette 0.5 mL sterile water into the freeze-dried vial, dissolve completely, and mix thoroughly; ④ Pipette 0.2 mL of the suspension onto the Agar plate and spread evenly; repeat twice to obtain two plates; ⑤ Incubate under the specified conditions; the strain is ready for use once colonies emerge.
Storage conditions	2-8°C
Safety level	2
morphology	Colony diameter: 1-2 mm; circular, with neat edges; opaque, grayish-white on top; centrally convex; smooth surface; glossy appearance; moist texture; Gram-negative (red); cocci; Purity: Pure
Sharing mode	Public welfare sharing