The bent-end morphology of Treponema phagedenis is associated with short, left-handed, periplasmic flagella.

Abstract excerpt

Treponema phagedenis Kazan 5 is a spirochete with multiple periplasmic flagella attached near each end of the cell cylinder. Dark-field microscopy revealed that most of the cell is right-handed (helix diameter, 0.23 micron; helix pitch, 1.74 microns), and the ends appear bent. These ends could move and gyrate while the central part of the cell remained stationary. The present study examines the basis for the...

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