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Protoplast of moss, Physcomitrella

Protoplast of moss, Physcomitrella

B060/0015

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52.4 MB (52.0 MB compressed)

4168 x 4397 pixels

35.3 x 37.3 cm ⏐ 13.9 x 14.7 in (300dpi)

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Credit

DR JEREMY BURGESS / SCIENCE PHOTO LIBRARY DR JEREMY BURGESS / SCIENCE PHOTO LIBRARY

Caption

False-colour scanning electron micrograph of a protoplast of the moss Physcomitrella patens. A protoplast is an intact cell which has been chem- ically treated to remove the outer cellulose wall, leaving only the delicate plasma membrane binding the cell contents together. Here, the cell wall is regrowing (yellow fibres) after 4 hours in a nutrient medium. Protoplast technology has enabled 2 types of genetic experimentation: nuclear fusion - where the cytoplasm & nuclei of 2 cells are encouraged to fuse - & DNA microinjection - where genes are injected directly into a cell. Regrowth of the cell wall is essential to this. Magnificat- ion: x725 at 35mm size, x1200 at 6x6cm size. Full colour version: green & yellow.

Release details

Model release not required. Property release not required.

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