Capnocytophaga: New genus of Gram-negative gliding bacteria. II. Morphology and ultrastructure |
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Authors: | Stanley C. Holt E. R. Leadbetter S. S. Socransky |
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Affiliation: | (1) Department of Microbiology, University of Massachusetts at Amherst, 01003 Amherst;(2) Biology, Amherst College, 01002 Amherst, USA;(3) Forsyth Dental Center, 02115 Boston, Massachusetts, USA |
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Abstract: | Gram-negative, anaerobic gliding bacteria were isolated from normal supragingival plaque and from periodontal lesions. Isolates could be divided into two size classes: small 2.4–4.2 m×0.38–0.5 m and large 4.8–5.8 m×0.42–0.6 m cells. The outer membrane was either loose-fitting and wavy, or taut, and of variable thickness. An electron-dense fuzz was discernible on several of the isolates. The periplasmic region was of variable electron-density. The genus Capnocytophaga has been proposed for these organisms based on morphological and cultural characteristics. |
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Keywords: | Gliding bacteria CO2-requiring Periodontal disease Gram-negative Ultrastructure Capnocytophaga |
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