Article
Spontaneous mutation reveals influence of exopolysaccharide on Lactobacillus johnsonii surface characteristics.
PloS one - 1 Jan 2013
Horn Nikki, Wegmann Udo, Dertli Enes, Mulholland Francis, Collins Samuel R A, Waldron Keith W, Bongaerts Roy J, Mayer Melinda J, Narbad Arjan
Abstract excerpt
As a competitive exclusion agent, Lactobacillus johnsonii FI9785 has been shown to prevent the colonization of selected pathogenic bacteria from the chicken gastrointestinal tract. During growth of the bacterium a rare but consistent emergence of an altered phenotype was noted, generating smooth colonies in contrast to the wild type rough form. A smooth colony variant was isolated and two-dimensional gel analysis...
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