Phase contrast photomicrographs of living trichomycetes illustrating sexual and asexual reproductive structures.

Photomicrographs of Trichomycetes

Phase contrast photomicrographs illustrating sexual and asexual reproductive structures in phylum Zoopagomycota. AI. Harpellales from aquatic insect larvae. A: Orphella catalaunica, sporulating heads with attached cylindrical asexual spores. BC: Harpellomyces eccentricus, trichospores in B with their appendages visible within generative cells; C shows a zygospore arising from conjugated cells. D: Smittium culisetae, trichospores attached to fertile branchlets. E, F: Capniomyces stellatus, E = attached, biconical zygospore and immature trichospores; F, released trichospores with multiple appendages. G: Furculomyces boomerangus, released bent zygospore with a short collar. H, I: Genistelloides hibernus, H = biconical zygospores with swollen zygosporophores (similar to suspensors in other zygomycetes) attached to two conjugated branches; I = released trichospore with two appendages. J. Asellariales from a marine isopod, Asellaria ligiae, thallus attached by a holdfast cell to the hindgut cuticle and releasing small cylindrical arthrospores. Scale bars: A–I = 20 m; J = 100 m. Modified from White et al., 2006 using graphic files kindly supplied by Dr Merlin White, Boise State University, Idaho, USA. Reprinted with permission from Mycologia. The Mycological Society of America.

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This is a Resources Box from the 21st Century Guidebook to Fungi: David Moore, Geoffrey D. Robson and Anthony P. J. Trinci 2019