Abstract
The microflora of the colon is an extraordinarly complex ecologic niche, consisting of both aerobic and anaerobic bacteria. Extensive microbiologic studies have revealed that a single individual harbors more than 400 different bacterial species in the colonic flora.1 Characterization of such a heterogenous mixture by classic bacteriologic techniques is a monumental task; it has been estimated that a complete microbiologic analysis of a single fecal specimen requires up to 1 year to complete. Fortunately, a reasonable description of the colonic microflora is possible to construct by considering only the most representative microorganisms (Table 1).
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Simon, G.L., Gorbach, S.L. (1983). Bacteriology of the Colon. In: Bustos-Fernández, L. (eds) Colon. Topics in Gastroenterology. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-0307-8_6
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