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  • Title: All nod genes of Rhizobium meliloti are involved in alfalfa nodulation by exo mutants.
    Author: Klein S, Walker GC, Signer ER.
    Journal: J Bacteriol; 1988 Feb; 170(2):1003-6. PubMed ID: 3338972.
    Abstract:
    Nodulation of alfalfa by exoB mutants of Rhizobium meliloti occurred without root hair curling or infection thread formation. nod exoB double mutants had the same nodulation deficiency as single nod mutants. Therefore, all the known nod genes are involved in nodule induction by exoB mutants, which apparently occurs via intercellular invasion.
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