Table III.

Phenotypes of Medicago truncatula nodulation mutants

Mutant Name	Gene Name	Infection Phenotype	Nodule Primordia Phenotype	Reference
Poodle	pdl	Wild-type nos. of infections; rare progression of infections past epidermis	None	R.V. Penmetsa and D.R. Cook, unpublished data
Lumpy infections	lin	Reduced nos. of infections; infections arrest soon after infection thread formation	Nodule primordia evident; no infection threads in nodule primordia	R.V. Penmetsa and D.R. Cook, unpublished data
Doesn't make infections	dmil	None	None	Penmetsa and Cook (1997); Catoira et al. (2000)