File:DNA uptake by Gram-negative bacteria.jpg
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Summary
| Description |
English: A diagram of the mechanism of DNA uptake by Gram-negative bacteria. Bacteria that become 'naturally competent' are able to bring DNA fragments across their membranes into the cell.
In this image, a DNA fragment from the environment of a naturally competent Gram-negative bacterial cell is transported across the cell's two membranes into its cytoplasm. The steps of uptake are 1. Initiation of uptake at the cell surface; 2. Uptake of the DNA across the outer membrane (o.m.); 3. Translocation of a single DNA strand across the cell's inner membrane (i.m.); 4. Recombination of the incoming strand with homologous sequences in the cell's chromosome. |
| Date | |
| Source | Own work |
| Author | Rosieredfield |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:30, 13 December 2013 | | 979 × 972 (171 KB) | Rosieredfield | User created page with UploadWizard |
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