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  • Title: Identification and characterization of the nodD gene in Rhizobium leguminosarum strain 1001.
    Author: Squartini A, van Veen RJ, Regensburg-Tuink T, Hooykaas PJ, Nuti MP.
    Journal: Mol Plant Microbe Interact; 1988 Mar; 1(3):145-9. PubMed ID: 2979909.
    Abstract:
    A gene library of the symbiotic 240-kb plasmid of Rhizobium leguminosarum strain 1001 was constructed in pUC18. The clones showing homology with a 6.6-kb fragment containing nodEFDABC from the Sym plasmid pRLlJI were detected by colony hybridization. Additional probes from the symbiotic region of pRLlJI were used to localize the corresponding genes on the map of pRle1001a. The relative positions of nod and nif gene clusters are different than those of pRLlJI. A comparison of the amino acid sequence for NodD from pRle1001a with NodD proteins from other Rhizobium species showed a high degree of sequence conservation at the amino terminus of the protein.
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