Stepan D E, Johnson R C
Infect Immun. 1981 May;32(2):937-40. doi: 10.1128/iai.32.2.937-940.1981.
Borrelia turicatae (mouse virulent) and Treponema denticola, a small oral treponeme, formed right-handed helices as determined by scanning electron microscopy. Treponema pallidum (Nichols strain), Treponema paraluis-cuniculi, and two unidentified oral spirochetes displayed left-handed helices.
通过扫描电子显微镜观察发现,杜氏疏螺旋体(对小鼠致病)和口腔小螺旋体齿垢密螺旋体呈右手螺旋。梅毒螺旋体(Nichols株)、兔梅毒螺旋体和两种未鉴定的口腔螺旋体呈左手螺旋。