Abstract
The mucus layer covering the gastrointestinal tract of mammalian species provides a natural habitat for a variety of microorganisms. The organisms most frequently found are those with traits advantageous to life in a viscous environment. These traits include a spiral morphology and/or possession of a distinctive flagella configuration suitable for movement in viscous mucus. Many of these mucus-associated organisms have now been identified as belonging to the Helicobacter genus. Indeed, since its inception in 1989, this genus has expanded rapidly (1.6 new species per year) such that it currently consists of 23 species, 7 of gastric origin, 15 of intestinal origin and one found in both sites. In addition, there is an increasing number of Candidatus and unvalidated species (list of bacterial names with standing in nomenclature, updated 19 September 2002: http://www.bacterio.cict.fr/)1,2.
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Lee, A., O’Rourke, J.L. (2003). What are the new helicobacters?. In: Hunt, R.H., Tytgat, G.N.J. (eds) Helicobactor pylori. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-1763-2_1
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DOI: https://doi.org/10.1007/978-94-017-1763-2_1
Publisher Name: Springer, Dordrecht
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