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Dictyostelium discoideum
''Dictyostelium discoideum'' is a species of soil-living amoeba belonging to the phylum Amoebozoa, infraphylum Mycetozoa. Commonly referred to as slime mold, ''D. discoideum'' is a eukaryote that transitions from a collection of unicellular amoebae into a multicellular slug and then into a fruiting body within its lifetime. Its unique asexual lifecycle consists of four stages: vegetative, aggregation, migration, and culmination. The lifecycle of ''D. discoideum'' is relatively short, which allows for timely viewing of all stages. The cells involved in the lifecycle undergo movement, chemical signaling, and development, which are applicable to human cancer research. The simplicity of its lifecycle makes ''D. discoideum'' a valuable model organism to study genetic, cellular, and biochemical processes in other organisms.
==Natural habitat and diet==
In the wild, ''D. discoideum'' can be found in soil and moist leaf litter. Its primary diet consists of bacteria, such as ''Escherichia coli,'' found in the soil and decaying organic matter. Uninucleate amoebae of ''D. discoideum'' consume bacteria found in its natural habitat, which includes deciduous forest soil and decaying leaves.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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