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Key Documents

SBR00068

Sigma-Aldrich

Streptomycin Ready Made Solution

100 mg/mL in water

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About This Item

CAS號碼:
分類程式碼代碼:
51281624
NACRES:
NA.76

形狀

liquid

品質等級

比活性

(Antibacterial)

濃度

100 mg/mL in water

抗生素活性譜

Gram-negative bacteria
Gram-positive bacteria
mycobacteria

作用方式

protein synthesis | interferes

儲存溫度

−20°C

一般說明

Chemical structure: aminoglycoside

應用

Streptomycin is used to study mechanisms of streptomycin resistance and is often used together with penicillin and other agents to inhibit bacterial contamination in cell culture applications. It is recommended for use in molecular biology applications at 25-50 μg/mL, in cell culture applications at 100 mg/L and in embryo culture at 50 mg/L.

生化/生理作用

Mode of Action: Streptomycin acts by inhibiting prokaryote protein synthesis by binding to the S12 protein of the 30S ribosomal subunit, thus preventing the transition from imitation complex to chain-elongating ribosome. This causes miscoding or inhibits initiation.

Mode of Resistance: A mutation in rpsL, a gene for S12 ribosomal protein, prevents binding of streptomycin to the ribosome. An aminoglycoside phosphotransferase also inactivates streptomycin.

Antimicrobial spectrum: Streptomycin acts against gram-negative and gram-positive bacteria.

儲存和穩定性

  • Streptomycin ready made solution contains 100 mg/mL streptomycin sulfate in water.
  • Streptomycin: sulfate salt ratio is 1:1.5.
  • The product is packed under aseptic conditions.

象形圖

Health hazard

訊號詞

Warning

危險聲明

危險分類

Repr. 2

儲存類別代碼

10 - Combustible liquids

水污染物質分類(WGK)

WGK 3


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