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. 2008 Feb 1;7(6):1029–1040. doi: 10.1128/EC.00380-07

FIG. 2.

FIG. 2.

Phenotype of the A. nidulans transformant UI412 with resident ΔmatA and ectopic A. fumigatus mat1-2 at 6 days postinduction of the sexual cycle. (A) Dark purple-pigmented WT cleistothecia (black arrows) and mature green conidiophores. (B) Contents of broken WT cleistothecium at 6 days postinduction. A, mature ascospores; AH, ascogenous hyphae; IAc, immature transparent ascus; MAc, mature red-pigmented ascus with ascospores. (C) Clusters of white Hülle cells (white arrow) in UI414 at 6 days postinduction. (D) UI414 protocleistothecium within a cluster of Hülle cells under higher magnification. H, individual Hülle cells; VH, vegetative hyphae; Pc, protocleistothecium. Magnification, 700 μm (A and C) and 20 μm (B and D).