DICTYOSTELIIDA Meaning and
Definition
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Dictyosteliida is a taxonomic group or subclass within the phylum Amoebozoa. It encompasses a diverse group of eukaryotic organisms composed of singular cells that can aggregate together to form multicellular structures under specific conditions. Dictyosteliids are commonly known as cellular slime molds.
As individual organisms, dictyosteliids exist as solitary, free-living amoebae, characterized by their amoeboid movement enabled by pseudopodia. However, when faced with adverse environmental conditions, such as depletion of food resources or desiccation, these cells undergo a process called aggregation. During aggregation, a cascade of chemical signals, called chemotaxis, attracts individual amoebae towards each other, leading to their clustering and formation of a multicellular slug-like structure called a pseudoplasmodium.
Once formed, the pseudoplasmodium exhibits an extraordinary behavior known as streaming, where the cells migrate collectively towards more favorable conditions, primarily towards light and moisture. As the cells specialize into different types, including stalk cells and spore cells, the pseudoplasmodium eventually culminates in the formation of a fruiting body, or sorocarp. This sorocarp consists of a stalk supporting spore-filled structures atop, allowing for dispersal of spores.
Dictyosteliida species display significant diversity in their molecular, cellular, and developmental characteristics, making them a valuable model organism for studying various biological processes and evolutionary principles. Moreover, their unique mode of multicellular aggregation and development has captured the attention of researchers studying cell communication, pattern formation, developmental differentiation, and ecological interactions.
Common Misspellings for DICTYOSTELIIDA
- sictyosteliida
- xictyosteliida
- cictyosteliida
- fictyosteliida
- rictyosteliida
- eictyosteliida
- ductyosteliida
- djctyosteliida
- dkctyosteliida
- doctyosteliida
- d9ctyosteliida
- d8ctyosteliida
- dixtyosteliida
- divtyosteliida
- diftyosteliida
- didtyosteliida
- dicryosteliida
- dicfyosteliida
- dicgyosteliida
- dicyyosteliida
Etymology of DICTYOSTELIIDA
The word "Dictyosteliida" is derived from Greek and consists of two parts: "dictyo-" and "steliida".
The prefix "dictyo-" comes from the Greek word "diktys", which means "net" or "network". This prefix is commonly used in scientific terms to denote a net-like or network-like structure or organization.
The suffix "-steliida" is derived from the Greek word "stelis", which means "column" or "pillar". It is added to the end of the word to indicate the taxonomic order or group to which Dictyosteliida belongs. In this case, it refers to an order of organisms within the class Dictyostelia.
Therefore, the word "Dictyosteliida" refers to the order of organisms that belong to the class Dictyostelia and implies a net-like or network-like structure in their organization.
Similar spelling word for DICTYOSTELIIDA
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