Photomicrographs of strain HZ254^T.

(a) Phase contrast micrograph; (b) fluorescence (left) and bright field (right) micrographs of the lens-shaped colony in the same field of view; transmission electron micrograph of (c) a thin section and of (d) negatively stained cells with flagellum; Bars, 10 µm (a); 0.5 mm (b); 500 nm (c); 1 µm (d).