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  • Title: The large nonsymbiotic plasmid pRmeGR4a of Rhizobium meliloti GR4 encodes a protein involved in replication that has homology with the RepC protein of Agrobacterium plasmids.
    Author: Mercado-Blanco J, Olivares J.
    Journal: Plasmid; 1994 Jul; 32(1):75-9. PubMed ID: 7991675.
    Abstract:
    The large plasmid, pRmeGR4a, of Rhizobium meliloti GR4 is a nonsymbiotic, self-transmissible replicon that shows a high degree of stability. Plasmid replication and stabilization functions are located on a 4.8-kb PstI fragment. Analysis of the nucleotide sequence of this DNA region revealed the presence of six open reading frames (ORFs) with coding capabilities; all are transcribed in the same direction. Only one of the ORFs (ORF3) seems to be essential for replication. Its predicted protein sequence shows homology with RepC, a protein that has been suggested to be involved in the replication of Agrobacterium Ri and Ti plasmids.
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