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Lysozyme Buffer – Genomic DNA Extraction from Gram-Positive Bacteria (Experimental Reagent)

Product description

Product Name: Lysozyme Cell Lysis Buffer for Gram-Positive Bacteria

Product Summary

The Lysozyme Buffer is a specialized, crucial component in the workflow for Genomic DNA (gDNA) extraction from Gram-Positive Bacteria. Unlike Gram-negative bacteria, Gram-positive species possess a thick, rigid Peptidoglycan Layer in their cell wall, which makes them highly resistant to standard chemical or enzymatic lysis methods.

Key Features and Specifications

Feature CategorySpecification
Reagent TypeEnzymatic Lysis Buffer (Experimental Reagent)
FunctionCell Wall Digestion of Gram-Positive Bacteria
Key ComponentLysozyme Enzyme (often supplied separately or reconstituted immediately before use)
Buffer ComponentsTris-HCl, EDTA (Chelates divalent cations to further destabilize the cell wall), and sometimes Sucrose
Target MicroorganismBacteria with a thick peptidoglycan layer (e.g., Staphylococcus, Bacillus, Streptococcus)
Output QualityHigh-quality, intact Genomic DNA suitable for PCR, sequencing, and other molecular applications
Key AdvantageEssential for overcoming the robust cell wall barrier of Gram-positive organisms.
  1. Genomic DNA Extraction:

    • Pre-Lysis Step: Used as the first incubation step in gDNA isolation protocols to break down the cell wall before adding standard lysis reagents (like Proteinase K or detergents).

    • Challenging Samples: Crucial for research involving environmental or clinical isolates of Gram-positive organisms (e.g., Staphylococcus aureus or Clostridium species) where complete cell lysis is difficult.

  2. Molecular Biology:

    • PCR and Sequencing: Ensures the yield of highly pure gDNA, free from contaminants that could inhibit downstream molecular reactions such as PCR amplification, cloning, and Next-Generation Sequencing (NGS) library preparation.

  3. Research & Development:

    • Strain Characterization: Used to prepare genomic DNA for genotyping, phylogenetic analysis, and molecular identification of bacterial strains.

Usage Protocol Notes

  • Incubation: Requires an optimized incubation time (typically 30–60 minutes) and temperature (usually 37°C) to allow the Lysozyme enzyme sufficient time to digest the peptidoglycan layer effectively.

  • Storage: Lysozyme is a temperature-sensitive enzyme. The buffer or the reconstituted enzyme should be stored at the recommended low temperature ( or ) to maintain its enzymatic activity.

Color

Blue

Size

30, 32, 34, 36

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