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Type: Journal article
Title: The genetic diversity of lactic acid producing bacteria in the equine gastrointestinal tract
Author: al Jassim, R.
Scott, P.
Trebbin, A.
Trott, D.
Pollitt, C.
Citation: FEMS Microbiology Letters, 2005; 248(1):75-81
Publisher: Elsevier Science BV
Issue Date: 2005
ISSN: 0378-1097
Statement of
Rafat A.M. Al Jassim, Paul T. Scott, Andrea L. Trebbin, Darren Trott, Christopher C. Pollitt
Abstract: Seventy-two lactic acid producing bacterial isolates (excluding streptococci) were cultured from the gastrointestinal tract of six horses. Two of the horses were orally dosed with raftilose to induce lactic acidosis and laminitis while the remaining four were maintained on a roughage diet. Near complete 16S rDNA was amplified by PCR from the genomic DNA of each isolate. Following RFLP analysis with the restriction enzymes MboI, HhaI and HinfI, the PCR products from the 18 isolates that produced L- and/or D-lactate were subsequently cloned and sequenced. DNA sequence analysis indicated that the majority of the isolates were closely related to species within the genus Lactobacillus, including Lactobacillus salivarius, Lactobacillus mucosae and Lactobacillus delbrueckii. Four isolates were closely related to Mitsuokella jalaludinii. Lactic acid producing bacteria (LAB) from the equine gastrointestinal tract was dominated by representatives from the genus Lactobacillus, but also included D-lactate-producing bacteria closely related to M. jalaludinii. Identification and characterization of LAB from the equine gastrointestinal tract should contribute to our understanding and management of fermentative acidosis, ulceration of the stomach and laminitis.
Keywords: Lactic acid producing bacteria
L. salivarius
L. mucosae
L. delbrueckii
Mitsuokella jalaludinii
Rights: © 2005 Federation of European Microbiological Societies. Published by Elsevier B.V. All rights reserved.
DOI: 10.1016/j.femsle.2005.05.023
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Appears in Collections:Animal and Veterinary Sciences publications
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