File:Prokaryotic genomes and membranes.jpg
Prokaryotic genomes and membranes
(a) Transmission electron micrograph of prokaryotic cyanobacteria depicting significant bioenergetic membrane surface area expansion as internal thylakoid membranes. Cyanobacteria however are small enough to ensure that a few copies of the genome are enough to maintain control over chemiosmotic couples. (b) Transmission election micrograph of intracellular bacteria residing within free-living cyanobacteria. This is an extremely rare example of a prokaryote inside a walled prokaryote. This phenomenon has occurred without the use of phagocytosis. (c) Numerous copies of nucleoids each containing the complete Thiomargarita genome stained with DAPI, with a giant vacuole above. (d) Extreme polyploidy in Epulopiscium, highlighting peri-membrane location of nucleoids.
Nick Lane, Energetics and genetics across the prokaryote-eukaryote divide. Biol. Direct: 2011, 6:35 
Nick Lane, Energetics and genetics across the prokaryote-eukaryote divide. Biol. Direct: 2011, 6:35  (PubMed link)
© Lane; licensee BioMed Central Ltd. 2011
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|current||22:02, 14 March 2016||1,200 × 1,133 (205 KB)||Z5015719||==Prokaryotic genomes and membranes== (a)) Transmission electron micrograph of prokaryotic cyanobacteria depicting significant bioenergetic membrane surface area expansion as internal thylakoid membranes. Cyanobacteria however are small enough to ensur...|
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