Katharina Pawlowski, Ton Bisseling, Rhizobial and Actinorhizal Symbioses: What Are the Shared Features?, The Plant Cell, Vol. 8, No. 10, Special Review Issue on Plant-Microbe Interactions (Oct., 1996), pp. 1899-1913
No takes yet. Share an insight, caveat, or question.
Pawlowski et al. (1996) studied this question.