Protoplast of moss,Physcomitrella
Numéro d’image : 11523572
| 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 | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Burgess, Dr. Jeremy |
| Taille de l’image : | 4168 px × 4397 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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