Previous Image | Next Image |
Description: (a) The type III secretion system functions as a syringe to inject proteins into host cells, thereby starting a disease process. (b) The type IV secretion system forms a channel through which DNA can be transmitted from a pathogen to a host cell, in this case from the bacterium Agrobacterium tumifaciens into a plant cell.
Picture Stats: Views: 1448 Filesize: 200.32kB Height: 1309 Width: 850 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=763 |