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. 1976 Sep;3(9):2293–2301. doi: 10.1093/nar/3.9.2293

Protection of particular cleavage sites of restriction endonucleases by distamycin A and actinomycin D.

V V Nosikov, E A Braga, A V Karlishev, A L Zhuze, O L Polyanovsky
PMCID: PMC343084  PMID: 967694

Abstract

It is shown here that distamycin A and actinomycin D can protect the recognition sites of endo R.EcoRI, EcoRII, HindII, HindIII, HpaI and HpaII from the attack of these restriction endonucleases. At proper distamycin concentrations only two endo R.EcoRI sites of phage lambda DNA are available for the restriction enzyme--sRI1 and sRI4. This phenomenon results in the appearance of larger DNA fragments comprising several consecutive fragments of endo R.EcoRI complete cleavage. The distamycin fragments isolated from the agarose gels can be subsequently cleaved by endo R.EcoRI with the yield of the fragments of complete digestion. We have compared the effect of distamycin A and actinomycin D on a number of restriction endonucleases having different nucleotide sequences in the recognition sites and established that antibiotic action depends on the nucleotide sequences of the recognition sites and their closest environment

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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