Silver-stained profiles of glycolipid of Treponema phagedenis-like organisms isolated from cattle with PDD. Lanes and isolates are as follows: M, prestained molecular mass marker shown in kilodaltons; 1, T. phagedenis type strain ATCC 27087; 2, HT201; 3, YG3903R; 4, YG5618; 5, HG42; 6, IZ6-2; 7, IZ7-2; 8, CH6; 9, CH9.