Document Detail


Bacteria associated with Artemia spp. along the salinity gradient of the solar salterns at Eilat (Israel).
MedLine Citation:
PMID:  21492196     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The crustacean genus Artemia naturally inhabits various saline and hypersaline environments and is the most frequently laboratory-hatched animal for live feed in mari- and aquaculture. Due to its high economy importance Artemia-bacteria interactions were so far studied mostly on laboratory strains. In this study we focused our attention on the Artemia-associated microbiota in its natural environment in the solar salterns of Eilat, Israel. We applied a culture-independent method (clone libraries) to investigate the bacterial community structure associated with Artemia in five evaporation ponds with salinities from slightly above seawater (5%) to the point of saturation (32%), in two different developmental stages: in nauplii and in the intestine of adult animals. Bacteria found in naupliar and adult stages were classified within the Proteobacteria, Bacteroidetes, Firmicutes, Actinobacteria and Cyanobacteria. The halophilic proteobacterial genera Halomonas sp. and Salinivibrio sp. dominated the Artemia microbiota in both stages in all ponds. We also analysed a clone library of entire adult animals, revealing a novel bacterial phylogenetic lineage. This is the first molecular study of bacteria associated with two developmental stages of Artemia along a salinity gradient.
Authors:
Rok Tkavc; Luka Ausec; Aharon Oren; Nina Gunde-Cimerman
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-4-14
Journal Detail:
Title:  FEMS microbiology ecology     Volume:  -     ISSN:  1574-6941     ISO Abbreviation:  -     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-4-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8901229     Medline TA:  FEMS Microbiol Ecol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2011 Federation of European Microbiological Societies. Published by Blackwell Publishing Ltd. All rights reserved.
Affiliation:
Department of Biology, Biotechnical Faculty, University of Ljubljana, Večna pot 111, SI-1111 Ljubljana, Slovenia Department of Food Technology, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, SI-1111 Ljubljana, Slovenia Division of Plant and Environmental Sciences, Institute of Life Sciences, and the Moshe Shilo Minerva Centre for Marine Biogeochemistry, The Hebrew University of Jerusalem, IL-91904 Jerusalem, Israel.
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