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What is plasmodial slime mold?

Updated: 8/11/2023
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6y ago

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is a broad term describing Protistthat use spores to reproduce. Slime molds were formerly classified as fungi, but are no longer considered part of this kingdom. Their common name refers to part of some of these organisms' life cycles where they can appear as gelatinous "slime". This is mostly seen with the Myxomycetes, which are the only macroscopic slime molds. For this reason, these organisms are usually found in Soil, Lawn, and on the Forest_floor, commonly on Deciduouslogs.

In Myxomycetes, the plasmoidal portion of the life cycle only occurs after Syngamy, which is the fusion of cytoplasm and Cell_nucleusof myxoamoebae or swarm cells. Therefore, all of the nuclei are Diploidat this stage and mitosis occurs simultaneously throughout the organism. Myxomycete plasmodia are multinucleate masses of Protoplasmthat move by cytoplasmic streaming. In order for the plasmodium to move, cytoplasm must be diverted towards the leading edge from the lagging end. This process results in the plasmodium advancing in fan-like fronts. As it moves, plasmodium also gains nutrients through the Phagocytosisof bacteria and small pieces of organic matter.

The Myxomycete plasmodium also has the ability to subdivide and establish separate plasmodia. Conversely, separate plasmodia that are genetically similar and compatible can fuse together to create a larger plasmodium. In the event that conditions become dry, the plasmodium will form a sclerotium, essentially a dry and dormant state. In the event that conditions become moist again the sclerotium absorbs water and an active plasmodium is restored. When the food supply wanes, the Myxomycete plasmodium will enter the next stage of its life cycle forming haploid Spores, often in a well-defined Sporangiumor other spore-bearing structure.

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Ladarius Brekke

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2y ago
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13y ago

plasmodial has one cell wall with millions of nuclei and celular one only has a lot of cells.

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Q: What is plasmodial slime mold?
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