Full‐length 16S rRNA gene classification of Atlantic salmon bacteria and effects of using different 16S variable regions on community structure analysis

Abstract Understanding fish‐microbial relationships may be of great value for fish producers as fish growth, development and welfare are influenced by the microbial community associated with the rearing systems and fish surfaces. Accurate methods to generate and analyze these microbial communities w...

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Main Authors: Terje Klemetsen, Nils Peder Willassen, Christian René Karlsen
Format: Article
Language:English
Published: Wiley 2019-10-01
Series:MicrobiologyOpen
Subjects:
Online Access:https://doi.org/10.1002/mbo3.898
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author Terje Klemetsen
Nils Peder Willassen
Christian René Karlsen
author_facet Terje Klemetsen
Nils Peder Willassen
Christian René Karlsen
author_sort Terje Klemetsen
collection DOAJ
description Abstract Understanding fish‐microbial relationships may be of great value for fish producers as fish growth, development and welfare are influenced by the microbial community associated with the rearing systems and fish surfaces. Accurate methods to generate and analyze these microbial communities would be an important tool to help improve understanding of microbial effects in the industry. In this study, we performed taxonomic classification and determination of operational taxonomic units on Atlantic salmon microbiota by taking advantage of full‐length 16S rRNA gene sequences. Skin mucus was dominated by the genera Flavobacterium and Psychrobacter. Intestinal samples were dominated by the genera Carnobacterium, Aeromonas, Mycoplasma and by sequences assigned to the order Clostridiales. Applying Sanger sequencing on the full‐length bacterial 16S rRNA gene from the pool of 46 isolates obtained in this study showed a clear assignment of the PacBio full‐length bacterial 16S rRNA gene sequences down to the genus level. One of the bottlenecks in comparing microbial profiles is that different studies use different 16S rRNA gene regions. Comparisons of sequence assignments between full‐length and in silico derived variable 16S rRNA gene regions showed different microbial profiles with variable effects between phylogenetic groups and taxonomic ranks.
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spelling doaj.art-c6a27fbde1ec423ba8d12bcb2c475a452022-12-21T18:56:43ZengWileyMicrobiologyOpen2045-88272019-10-01810n/an/a10.1002/mbo3.898Full‐length 16S rRNA gene classification of Atlantic salmon bacteria and effects of using different 16S variable regions on community structure analysisTerje Klemetsen0Nils Peder Willassen1Christian René Karlsen2Department of Chemistry, Center for Bioinformatics UiT The Arctic University of Norway Tromsø NorwayDepartment of Chemistry, Center for Bioinformatics UiT The Arctic University of Norway Tromsø NorwayDepartment of fish health Nofima NorwayAbstract Understanding fish‐microbial relationships may be of great value for fish producers as fish growth, development and welfare are influenced by the microbial community associated with the rearing systems and fish surfaces. Accurate methods to generate and analyze these microbial communities would be an important tool to help improve understanding of microbial effects in the industry. In this study, we performed taxonomic classification and determination of operational taxonomic units on Atlantic salmon microbiota by taking advantage of full‐length 16S rRNA gene sequences. Skin mucus was dominated by the genera Flavobacterium and Psychrobacter. Intestinal samples were dominated by the genera Carnobacterium, Aeromonas, Mycoplasma and by sequences assigned to the order Clostridiales. Applying Sanger sequencing on the full‐length bacterial 16S rRNA gene from the pool of 46 isolates obtained in this study showed a clear assignment of the PacBio full‐length bacterial 16S rRNA gene sequences down to the genus level. One of the bottlenecks in comparing microbial profiles is that different studies use different 16S rRNA gene regions. Comparisons of sequence assignments between full‐length and in silico derived variable 16S rRNA gene regions showed different microbial profiles with variable effects between phylogenetic groups and taxonomic ranks.https://doi.org/10.1002/mbo3.898Atlantic salmonFull‐length 16S rRNA gene sequencemicrobiota
spellingShingle Terje Klemetsen
Nils Peder Willassen
Christian René Karlsen
Full‐length 16S rRNA gene classification of Atlantic salmon bacteria and effects of using different 16S variable regions on community structure analysis
MicrobiologyOpen
Atlantic salmon
Full‐length 16S rRNA gene sequence
microbiota
title Full‐length 16S rRNA gene classification of Atlantic salmon bacteria and effects of using different 16S variable regions on community structure analysis
title_full Full‐length 16S rRNA gene classification of Atlantic salmon bacteria and effects of using different 16S variable regions on community structure analysis
title_fullStr Full‐length 16S rRNA gene classification of Atlantic salmon bacteria and effects of using different 16S variable regions on community structure analysis
title_full_unstemmed Full‐length 16S rRNA gene classification of Atlantic salmon bacteria and effects of using different 16S variable regions on community structure analysis
title_short Full‐length 16S rRNA gene classification of Atlantic salmon bacteria and effects of using different 16S variable regions on community structure analysis
title_sort full length 16s rrna gene classification of atlantic salmon bacteria and effects of using different 16s variable regions on community structure analysis
topic Atlantic salmon
Full‐length 16S rRNA gene sequence
microbiota
url https://doi.org/10.1002/mbo3.898
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