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Review
. 2005 Jun;187(11):3607-19.
doi: 10.1128/JB.187.11.3607-3619.2005.

Neutral lipid bodies in prokaryotes: recent insights into structure, formation, and relationship to eukaryotic lipid depots

Marc Wältermann  1 , Alexander Steinbüchel
Affiliations
Review

Neutral lipid bodies in prokaryotes: recent insights into structure, formation, and relationship to eukaryotic lipid depots

Marc Wältermann et al. J Bacteriol. 2005 Jun.
No abstract available

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Figures

FIG. 1.
FIG. 1.
Intracellular lipid inclusions in prokaryotes and general structures of the lipids. (A) Cell of R. eutropha H16 accumulating PHB inclusions (109); (B) cell of R. opacus PD630 from late stationary growth phase accumulating large amounts of TAG inclusions (5); (C) cell of A. calcoaceticus ADP1 with three spherical WE inclusions; (D) Acinetobacter sp. strain HO1-N accumulating small rectangular WE inclusions (123); (E) Acinetobacter sp. strain M1 accumulating large, disclike WE inclusions (64). Abbrevations: B, boundary layer; CM, plasma membrane; ET, electron-transparent TAG inclusion; ICM, intracellular plasma membrane; OM, outer membrane; PHA, PHA inclusion; PG, peptidoglycan; W, wax ester inclusion. Bars, 0.2 μm.
FIG. 2.
FIG. 2.
Stages of the formation of TAG bodies in R. opacus PD630 and a generalized hypothetical model for the formation of neutral lipid bodies in bacteria. (A) Formation of an oleogenous layer from SLDs at the plasma membrane; (B) lipid prebody formation through conglomeration of SLDs; (C) partly released lipid prebody; (D) mature, cytoplasm-localized lipid body; (E) scheme (138).
FIG. 3.
FIG. 3.
Suggested models for the formation of PHA inclusions in bacteria. (A) The “micelle” model; (B) the “budding membrane” model (70, 129).
FIG. 4.
FIG. 4.
Model for the formation of lipid bodies in plant seeds. The model involves the accumulation of lipids between both leaflets of the ER membrane. Budding oil bodies are surrounded by a monolayer of phospholipids, which were derived from the outer leaflet of the ER and in which oleosins are embedded (100, 151).
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