Figure 7.

VdNRS/ER (NRS/ER, nucleotide‐rhamnose synthase/epimerase‐reductase) is required for the colonization of tomato roots. Roots of 10‐day‐old tomato cultivar MoneyMaker seedlings were immersed in one‐fifth potato dextrose broth (PDB) containing 10⁶ conidia/mL of wild‐type Verticillium dahliae (WT), random transformant (RM‐389), an ectopic transformant (EC) and two VdNRS/ER deletion strains (Δ6010‐1 and Δ6010‐2) for 72–96 h. (A) Roots were rinsed with water and photographed under a microscope. (B) Real‐time polymerase chain reaction quantification of fungal biomass on the roots. Different letters indicate significant differences (P < 0.05).