Ellis Ellis Patents Centaur Cable Saddles - Ellis Patents Electrical Product Catalogue
David Ellis - adelaide.edu.au
Transcript of David Ellis - adelaide.edu.au
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Zygomycetes
David EllisSchool of Biological Sciences
University of Adelaide, Australia.
Mycology Online | www.mycology.adelaide.edu.au
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ZygomycetesThe zygomycota are fast growing fungi with primitive coenocytic (mostly aseptate)
hyphae. Asexual sporangiospores contained in sporangia borne on simple or branched sporangiophores. Sexual reproduction is isogamous producing a thick-
walled sexual resting spore called a zygospore.
Zygospore of Rhizopus homothallicus
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Apophysomyces elegansSporangia have a distinctive funnel-shaped apophyses, columellae, and a
conspicuous pigmented sub-apical thickening which constricts the lumen of the sporangiophore below the apophysis.
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Cunninghamella bertholletiaeSimple sporangiophores forming a swollen, terminal vesicle around which single-
celled, globose to ovoid sporangiola develop on swollen denticles.
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Lichtheimia corymbiferaSmall pyriform-shaped sporangia with a characteristic conical-
shaped columellae and pronounced apophysis.
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Mortierella wolfiiRapid growth at 40C (thermotolerant), characteristic delicate acrotonous
(terminal) branching sporangia without columellae and rhizoids.
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Mucor speciesLarge, spherical, non-apophysate sporangia with pronounced columellae and
conspicuous collarette the base of the columella following sporangiospore dispersal.
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Rhizomucor pusillusGrowth at 45C (thermophilic), poorly developed stolons and rhizoids, branching sporangiophores with a septum below the sporangium, dark-coloured sporangia without apophyses and smooth-walled globose to subglobose sporangiospores.
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Rhizopus speciesThe genus is characterized by the presence of stolons and pigmented rhizoids, the
formation of sporangiophores, singly or in groups from nodes directly above the rhizoids, and apophysate, columellate, multispored, generally globose sporangia.
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Saksenaea vasiformisUnique flask-shaped sporangia, failure to sporulate on primary isolation media.
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Syncephalastrum racemosumSympodially branching sporangiophores with terminal vesicles
bearing merosporangia.
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Conidiobolus coronatusForcibly discharged conidia with hair-like appendages
(villae) and prominent papillae.
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Basidiobolus ranarumCulture displaying satellite colonies that are often formed by germinating
conidia ejected from the primary colony, "beaked" zygospores, conidia and a sporophore with a distinct swollen area just below the conidium.