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Single-cell Analysis of Bacillus subtilis Biofilms Using Fluorescence Microscopy and Flow Cytometry
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Transformation of Bacillus subtilis
Xiao-Zhou Zhang1, Chun You, Yi-Heng Percival Zhang
1Biological Systems Engineering Department, Virginia Tech, 304 Seitz Hall, 155 Ag Quad Lane, Blacksburg, VA, 24061, USA, xzzhang@vt.edu.
Methods in Molecular Biology (Clifton, N.J.)
|May 20, 2014
Summary
This study presents a simplified method for Bacillus subtilis genetic transformation using super-competent cells and engineered plasmids. This approach enhances transformation efficiency and bypasses the need for traditional cloning steps, benefiting molecular biology research.
Area of Science:
- Microbiology
- Molecular Biology
- Biotechnology
Background:
- Bacillus subtilis is crucial for research and industry.
- Traditional molecular cloning and transformation in B. subtilis are challenging compared to Escherichia coli.
Purpose of the Study:
- To develop a simplified, efficient protocol for Bacillus subtilis molecular cloning and transformation.
- To improve transformation efficiency and reduce procedural complexity.
Main Methods:
- Preparation of super-competent Bacillus subtilis SCK6 cells via ComK overexpression induced by xylose.
- Generation of multimeric plasmids using prolonged overlap extension-PCR.
- Transformation using the developed protocol, avoiding restriction enzymes, phosphatases, and ligases.
Main Results:
- The protocol yields high transformation efficiency: ~10^7 transformants per μg of multimeric plasmid DNA.
- Achieved efficiency for ligated plasmid DNA is ~10^4 transformants per μg.
- Eliminated the requirement for shuttle vectors between E. coli and B. subtilis.
Conclusions:
- The developed protocol offers a simple, fast, and highly efficient method for Bacillus subtilis transformation.
- This technique streamlines genetic manipulation of B. subtilis, making it more accessible for research and industrial applications.
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