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After identifying regions of cDNA conserved between the symbiotic gene DMI1 of the model species Medicago truncatula and the homologous genomic region of Arabidopsis thaliana, universal primers were designed from 8 of 12 exons to allow the routine amplification of plant homologs. As an example, the complete homologous sequence from the pea (Pisum sativum(More)
Symbiotic gene mutated in the pea (Pisum sativum L.) line RisfixC is a determinant of the number of symbiotic root nodules. In parallel to a sharp increase in nodule number, its mutational inactivation brings about the insensitivity of nodulation to the ambient nitrate level (Nts trait). Using the established localization to the SYM2-NOD3 region of the pea(More)
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