1. The pathogen is Treponema pallidum, the organism that causes syphilis. 2. Digital dermatitis is caused by the bacteria from the genus Treponema . 3. In 1905 the cause of syphilis ( Treponema pallidum ) was identified. 4. All three diseases are spread by the Treponema microorganism. 5. Syphilis is caused by a bacterial organism called " Treponema pallidum ." 6. Primary syphilis caused by Treponema pallidum. 7. "Treponema pallidum " invades the nervous system within three to eighteen months after the primary infection. 8. The causative organism, " Treponema pallidum ", was first identified by Fritz Schaudinn and Erich Hoffmann in 1905. 9. "' Treponema isoptericolens "'is a spirochaete from the hindgut of the termite " Incisitermes tabogae ". 10. Anaerobic bacteria, including spirochetes of the genus " Treponema ", are found in the lesions associated with the infection.