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( Planctomycetes)
Gemmata
Isosphera
Pirellula
Planctomyces
candidatus Brocadia
candidatus Kuenenia
candidatus Scalindua
candidatus Anammoxoglobus
The organisms belonging to this group lack murein in their cell wall. Murein is an important heteropolymer present in most bacterial cell walls that serves as a protective component in the cell wall skeleton. Instead their walls are made up of glycoprotein rich in glutamate. Planctomycetes have internal structures that are more complex than would be typically expected in prokaryotes. While they don't have a nucleus in the eukaryotic sense, the nuclear material can sometimes be enclosed in a double membrane. In addition to this nucleoid, there are two other membrane-separated compartments; the pirellulosome or riboplasm, which contains the ribosome and related proteins, and the ribosome-free paryphoplasm (Glockner, 2003). The life cycle involves alternation between sessile cells and flagellated swarmer cells. The sessile cells bud to form the flagellated swarmer cells which swim for a while before settling down to attach and begin reproduction. name="External_links" id="External_links">
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Planctomycetes Subcategories
Planctomycetes Articles
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