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Myxomycota
plasmodial slime molds, now in protista
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Phylum labyrinthulomycota
net slime molds
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Labyrinthula macrocystis
thought to cause a serious disease of ellgrass (Zoastera marina), which had a serious impact on brant, redhead, flounders, cod and scallop.
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Where can slime molds be found?
The plasmodial stage is found on rotting logs, leaf litter, or in moist, shaded soil.
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importance of slime molds?
some are serious plant pests. ex: cabbage clubroot disease cause by Plasmodiophora brassicae, an endophytic parasite.
slime molds are significant decomposers, and thus contribute to the maintenance of nutrient cycling.
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Plasmodium
is a multinucleate, pigmented, naked protoplast in the vegetative state.
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sclerotium
hardened form of the plasmodium when temperature or moisture are reduced below acceptable levels.
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macrocysts
dormant stage of sclerotium that is composed of irregular hardened masses.
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Peridium
typically a sporangium consists of an outer wall, which may be either delicate or firm.
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capillitium
a delicate network of hair-like structures among which one finds the spores.
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sporangiophore
the stipe or stalk of the sporangium.
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hypothallus
a thin membranous structure
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plasmodiocarps
hardened vein-like structures that form spores
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aethelia
miniature puff-ball-like structure that forms spores.
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swarm cells
cells with two flagella that are used in swimming in an aquatic medium for germination.
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myxamoebae
naked protoplasts that form with dry conditions. not flagellated.
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