Summary
About 8 copies of the DNA sequence IS1 (which consists of 800 nucleotide pairs) and about 5 copies of the DNA sequence IS2 (1400 nucleotide pairs) have been detected by DNA-DNA hybridization in the chromosome of E. coli K-12. No homology is observed between IS1 and IS2. Both IS1 and IS2 are also found in the DNA of the F plasmid.
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Communicated by G. Bertani
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Saedler, H., Heiß, B. Multiple copies of the insertion-DNA sequences IS1 and IS2 in the chromosome of E. coli K-12. Molec. Gen. Genet. 122, 267–277 (1973). https://doi.org/10.1007/BF00278602
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DOI: https://doi.org/10.1007/BF00278602