DH5a λpir Escherichia coli Strains

The DH5α λpir E. coli strain is a highly competent laboratory bacterial strain widely used in molecular cloning, plasmid propagation, and genetic engineering applications. Engineered for stable replication of plasmids containing R6K origins of replication, this strain combines the DH5α genetic background with the λpir gene, enabling efficient plasmid maintenance, high transformation efficiency, and reliable DNA amplification.

🔹 Key Features:

• Genetic background: DH5α for high transformation efficiency and plasmid stability
• λpir positive: Supports replication of R6K origin plasmids
• High competency: Ideal for molecular cloning and plasmid propagation
• Research-grade strain: Optimized for reproducible laboratory performance

🔹 Applications:

• Plasmid cloning and propagation of R6K origin-containing vectors
• Molecular biology research requiring high transformation efficiency
• Recombinant DNA technology and genetic engineering studies
• DNA amplification and library construction
• Synthetic biology and functional genomics workflows

🔹 Specifications:

• Product name: DH5α λpir Escherichia coli Strain
• Host species: Escherichia coli
• Genotype: DH5α λpir
• Format: Frozen glycerol stock or agar stab (as provided)
• Use: For research purposes only (RUO)

The DH5α λpir E. coli strain is an essential tool for researchers performing high-efficiency cloning, plasmid maintenance, and advanced molecular biology applications, providing reliable and reproducible results in every experiment.