The prevalence of the fish pathogen Yersinia ruckeri among representatives of the marine flora and fauna of the Sea of Okhotsk

The prevalence of the fish pathogen Yersinia ruckeri among representatives of the marine flora... This study investigates the spreading of the Gram-negative bacterium Yersinia ruckeri, pathogenic for fish, among representatives of the marine flora and fauna of the Sea of Okhotsk. The enzyme-linked immunosorbent assay (ELISA) revealed the presence of Y. ruckeri outer membrane antigens in 9 of the 29 samples obtained by washing the internal organs of fish, shellfish, crustaceans, and surfaces of algal thalli. Using lipopolysaccharide (LPS) containing a fluorescent label we detected LPS-binding proteins, which are a component of the innate immune system of invertebrates, in half of the samples studied. However, the simultaneous presence of Y. ruckeri and LPS-binding proteins was found only in brachiopods, scallops, and shrimps. It is assumed that this may be indicative of a particular response of the immune system of these animals to infection and/or manifestation of a toxic effect of Y. ruckeri. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Marine Biology Springer Journals

The prevalence of the fish pathogen Yersinia ruckeri among representatives of the marine flora and fauna of the Sea of Okhotsk

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Publisher
Pleiades Publishing
Copyright
Copyright © 2017 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Freshwater & Marine Ecology
ISSN
1063-0740
eISSN
1608-3377
D.O.I.
10.1134/S1063074017030038
Publisher site
See Article on Publisher Site

Abstract

This study investigates the spreading of the Gram-negative bacterium Yersinia ruckeri, pathogenic for fish, among representatives of the marine flora and fauna of the Sea of Okhotsk. The enzyme-linked immunosorbent assay (ELISA) revealed the presence of Y. ruckeri outer membrane antigens in 9 of the 29 samples obtained by washing the internal organs of fish, shellfish, crustaceans, and surfaces of algal thalli. Using lipopolysaccharide (LPS) containing a fluorescent label we detected LPS-binding proteins, which are a component of the innate immune system of invertebrates, in half of the samples studied. However, the simultaneous presence of Y. ruckeri and LPS-binding proteins was found only in brachiopods, scallops, and shrimps. It is assumed that this may be indicative of a particular response of the immune system of these animals to infection and/or manifestation of a toxic effect of Y. ruckeri.

Journal

Russian Journal of Marine BiologySpringer Journals

Published: Jul 2, 2017

References

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