Restriction-modification systems determined by Pseudomonas plasmids |
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Authors: | G.A. Jacoby L. Sutton |
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Affiliation: | Massachusetts General Hospital, Boston, Massachusetts 02114 USA |
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Abstract: | Four additional Pseudomonas R plasmids determining the PaeR7 restriction-modification system have been detected. All are transfer deficient and appear to belong to the same incompatibility group. The Pseudomonas fertility plasmid FP110 determines a different restriction-modification system and also inhibits the propagation of phage B39 by a separate mechanism. Pseudomonas R plasmid pMG73 has a third distinct restriction-modification specificity. PaeFP110 and PaeR73 are proposed as designations for these new plasmid-determined systems for restriction and modification. |
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