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Soft Agar Gelatin Overlay
[所属分类:培养基配方] [发布时间:2021-12-16] [发布人:网站管理员2] [阅读次数:] [返回]
Soft Agar Gelatin Overlay
山东拓普生物工程有限公司 培养基配方 http://www.topbiol.com
Composition per plate:
Base agar....................................................... 15.0mL
Soft agar gelatin overlay................................. 2.5mL
pH 7.0 ± 0.2 at 25°C
Base Agar:
Composition per liter:
Agar ..................................................................15.0g
Peptone................................................................5.0g
NaCl....................................................................5.0g
Beef extract.........................................................3.0g
MnSO4·H2O ......................................................0.05g
Preparation of Base Agar: Add components to
distilled/deionized water and bring volume to 1.0L.
Mix thoroughly. Gently heat and bring to boiling.
Autoclave for 15 min at 15 psi pressure–121°C. Cool
to 45°–50°C.
Soft Agar Gelatin Overlay:
Composition per liter:
Gelatin...............................................................15.0g
Agar ....................................................................8.0g
Peptone................................................................5.0g
NaCl....................................................................5.0g
Beef extract.........................................................3.0g
MnSO4·H2O ......................................................0.05g
Preparation of Soft Agar Gelatin Overlay:
Add components to distilled/deionized water and
bring volume to 1.0L. Mix thoroughly. Gently heat
and bring to boiling. Autoclave for 15 min at 15 psi
pressure–121°C. Cool to 45°–50°C.
Preparation of Medium: Aseptically pour
cooled, sterile base agar into sterile Petri dishes in
15.0mL volumes. Allow agar to solidify. Inoculate
plates with samples. Overlay each plate with 2.5mL
of soft agar gelatin overlay.
Use: For the cultivation and differentiation of micro
organisms based on proteolytic activity.