1932

Abstract

Abstract

The phylum of the domain Bacteria consists of budding, peptidoglycan-less organisms important for understanding the origins of complex cell organization. Their significance for cell biology lies in their possession of intracellular membrane compartmentation. All planctomycetes share a unique cell plan, in which the cell cytoplasm is divided into compartments by one or more membranes, including a major cell compartment containing the nucleoid. Of special significance is , in which the nucleoid is enveloped in two membranes to form a nuclear body that is analogous to the structure of a eukaryotic nucleus. Planctomycete compartmentation may have functional physiological roles, as in the case of anaerobic ammonium-oxidizing anammox planctomycetes, in which the anammoxosome harbors specialized enzymes and is wrapped in an envelope possessing unique ladderane lipids. Organisms in phyla other than the phylum may possess compartmentation similar to that of some planctomycetes, as in the case of members of the phylum from marine sponges.

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/content/journals/10.1146/annurev.micro.59.030804.121258
2005-10-13
2024-03-28
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  • Article Type: Review Article
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