TEM of Escherichia coli

Numéro d’image : 11524646
TEM of Escherichia coli
Transmission electron micrograph (TEM) of a male Escherichia coli bacterium (bottom left) conjugat- ing with two females. Sex between bacteria was discovered in 1946,& involves transfer of DNA. Maleness in E. coli is associated with long,hollow surface hairs called F-pili. This male has attached 2 F-pili to each of the females & DNA is transferred between them through their hollow cores. The tiny bodies that cover the F-pili are MS2 bacteriophages,a type of virus that attacks bacteria & binds specifically to F-pili. Magnification: x5000 at 35mm size,x35,000 at 8x10-inch size. Reference: MICROCOSMOS,figure 5.11,page 94
Licence : Droits gérés
Crédit: Science Photo Library / Caro, Dr. L.
Taille de l’image : 4069 px × 4488 px
Model Release : Non requis
Property Release : Non requis
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