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- Artificially constructed cloning vector containing the cos gene of phage lambda. Cosmids can be packaged in lambda phage particles for infection into E. coli; this permits cloning of larger DNA fragments (up to 45kb) than can be introduced into bacterial hosts in plasmid vectors.
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- bacterial artificial chromosome (BAC), bacteriophage, cloning vector, gene transfer, P1-derived artificial chromosome (PAC), phage, plasmid, Retroviral infection, Transfection, Vector, Virus, yeast artificial chromosome (YAC)