Lactobacilli and other lactic acid-related bacteria in the mucosal proximal gastrointestinal tract of pigs: a review of ecology for two derivative approaches for isolation of novel species

This chapter reviews some ecological aspects of the gut microbiota of pigs, with particular emphasis on indigenous lactobacilli and other lactic acid related bacteria (LARB) in the mucosal microhabitats of the stomach and jejunum. It depicts the way these bacteria make their living in the digestive and interdigestive proximal gastrointestinal tract and how oxygen as an omnipresent physicochemical environmental factor determines their mucosal niches. Overall, the chapter outlines the theoretical background of two new approaches for isolation of novel species of mucosa associated lactobacilli and LARB.