Abstract
Here, we present the draft genome sequences of three strains of Capnocytophaga cynodegmi. In contrast to the very close relationship among them, C. cynodegmi and Capnocytophaga canimorsus differ dramatically in terms of virulence in humans. Comparative genomics provided some understanding on how Capnocytophaga species may switch from being dog commensals to human pathogens.
Highlights
We present the draft genome sequences of three strains of Capnocytophaga cynodegmi
Beside subtle differences in their 16S rRNA gene sequences [4], C. cynodegmi strains can be differentiated from C. canimorsus strains by the light-yellow color displayed by colonies grown on sheep blood agar and by the capacity to ferment sucrose, raffinose, inulin, and melibiose [4]
The strains were selected as dispersed representatives of the species C. cynodegmi, according to 16S rRNA phylogenetics and limited phenotyping [9]
Summary
We present the draft genome sequences of three strains of Capnocytophaga cynodegmi. Capnocytophaga cynodegmi (formerly CDC dysgonic fermenter-2-like) is a common oral commensal of dogs and cats, with prevalence rates as high as 86% and 84%, respectively [1]. It belongs to the Bacteroidetes phylum, where it is very closely related to Capnocytophaga canimorsus, another commensal of the dog mouth [2, 3].
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