Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/98167
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Type: Journal article
Title: Microbial diversity and parasitic load in tropical fish of different environmental conditions
Author: Hennersdorf, P.
Kleinertz, S.
Theisen, S.
Abdul-Aziz, M.
Mrotzek, G.
Palm, H.
Saluz, H.
Citation: PLoS ONE, 2016; 11(3):e0151594-1-e0151594-18
Publisher: Public Library of Science
Issue Date: 2016
ISSN: 1932-6203
1932-6203
Statement of
Responsibility: 
Philipp Hennersdorf, Sonja Kleinertz, Stefan Theisen, Muslihudeen A. Abdul-Aziz, Grit Mrotzek, Harry W. Palm, Hans Peter Saluz
Abstract: In this study we analysed fecal bacterial communities and parasites of three important Indonesian fish species, Epinephelus fuscoguttatus, Epinephelus sexfasciatus and Atule mate. We then compared the biodiversity of bacterial communities and parasites of these three fish species collected in highly polluted Jakarta Bay with those collected in less polluted Indonesian areas of Cilacap (E. sexfasciatus, A. mate) and Thousand Islands (E. fuscoguttatus). In addition, E. fuscoguttatus from net cages in an open water mariculture facility was compared with free living E. fuscoguttatus from its surroundings. Both core and shared microbiomes were investigated. Our results reveal that, while the core microbiomes of all three fish species were composed of fairly the same classes of bacteria, the proportions of these bacterial classes strongly varied. The microbial composition of phylogenetically distant fish species, i.e. A. mate and E. sexfasciatus from Jakarta Bay and Cilacap were more closely related than the microbial composition of more phylogentically closer species, i.e. E. fuscoguttatus, E. sexfasciatus from Jakarta Bay, Cilacap and Thousand Islands. In addition, we detected a weak negative correlation between the load of selected bacterial pathogens, i.e. Vibrio sp. and Photobacterium sp. and the number of endoparasites. In the case of Flavobacterium sp. the opposite was observed, i.e. a weak positive correlation. Of the three recorded pathogenic bacterial genera, Vibrio sp. was commonly found in E. fuscoguttatus from mariculture, and lessly in the vicinity of the net cages and rarely in the fishes from the heavily polluted waters from Jakarta Bay. Flavobacterium sp. showed higher counts in mariculture fish and Photobacteria sp. was the most prominent in fish inside and close to the net cages.
Keywords: Animals; Perciformes; Bacteria; Flavobacterium; Photobacterium; Vibrio; Fish Diseases; RNA, Ribosomal, 16S; Colony Count, Microbial; Sequence Analysis, DNA; Biodiversity; Environmental Pollution; Species Specificity; Geography; Aquaculture; Indonesia; Host-Parasite Interactions; Host-Pathogen Interactions; Parasite Load; Microbiota
Rights: © 2016 Hennersdorf et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
RMID: 0030045773
DOI: 10.1371/journal.pone.0151594
Appears in Collections:Genetics publications

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