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Susana Merino, Alicia Aguilar, Xavier Rubires, Dolores Simon-Pujol, Francisco Congregado, Juan M. Tomás, The role of the capsular polysaccharide of Aeromonas salmonicida in the adherence and invasion of fish cell lines, FEMS Microbiology Letters, Volume 142, Issue 2-3, September 1996, Pages 185–189, https://doi.org/10.1111/j.1574-6968.1996.tb08428.x
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Abstract
The ability of several Aeromonas salmonicida strains grown under different conditions (capsulated and non-capsulated) to adhere to and invade two fish cell lines was compared. The level of adherence was slightly higher when the strains were grown under conditions promoting capsule formation than when the same strains were grown under conditions which did not promote capsule formation. However, the most significant difference among the wild-type strains grown under conditions promoting capsule formation was the ability to invade fish cell lines, which was significantly higher than when the same strains were grown under conditions which did not promote capsule formation. From these results we conclude that the capsular polysaccharide, in these strains, is an important factor for intracellular invasion.