Cryo-EM of surface-layer on an AMD plasma cell from the Richmond Mine. Insets show a higher magnification. Arrows point to putative surface-layer proteins. Panel A and panel B show evidence of proteinaceous surface layers in two different cells collected from the Richmond Mine AMD.
Yelton et al. BMC Genomics 2013 14:485 doi:10.1186/1471-2164-14-485