(A) C. albicans WT (SC5314), mlt1Δ/Δ and mlt1Δ/Δ::MLT1 were incubated in liquid YEPD medium containing 10% serum at 37°C and images were captured after 60, 120, 180 or 240 min of incubation. (B) MLT1 mutant becomes haploinsufficient on solid hypha-inducing medium. C. albicans WT (SC5314), MLT1/mlt1Δ, mlt1Δ/Δ and mlt1Δ/Δ::MLT1 strains were spotted on to YEPD containing 10% serum agar plates and incubated at 37°C for 6 days. Scale bar, 100 μm.