Retrospective analysis of <em>Vibrio</em> spp. isolated from marketed crustaceans using multilocus sequence analysis

The genus Vibrio includes bacteria with different morphological and metabolic characteristics responsible for different human and animal diseases. An accurate identification is essential to assess the risks in regard to aquatic organisms and consequently to public health. The Multilocus Sequence An...

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Main Authors: Mohammad Shamsur Rahman, Sarah Currò, Lisa Carraro, Barbara Cardazzo, Stefania Balzan, Enrico Novelli, Federico Fontana, Greta Caburlotto, Amedeo Manfrin, Luca Fasolato
Format: Article
Language:English
Published: PAGEPress Publications 2023-03-01
Series:Italian Journal of Food Safety
Subjects:
Online Access:https://www.pagepressjournals.org/index.php/ijfs/article/view/11045
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author Mohammad Shamsur Rahman
Sarah Currò
Lisa Carraro
Barbara Cardazzo
Stefania Balzan
Enrico Novelli
Federico Fontana
Greta Caburlotto
Amedeo Manfrin
Luca Fasolato
author_facet Mohammad Shamsur Rahman
Sarah Currò
Lisa Carraro
Barbara Cardazzo
Stefania Balzan
Enrico Novelli
Federico Fontana
Greta Caburlotto
Amedeo Manfrin
Luca Fasolato
author_sort Mohammad Shamsur Rahman
collection DOAJ
description The genus Vibrio includes bacteria with different morphological and metabolic characteristics responsible for different human and animal diseases. An accurate identification is essential to assess the risks in regard to aquatic organisms and consequently to public health. The Multilocus Sequence Analysis (MLSA) scheme developed on the basis of 4 housekeeping genes (gyrB, pyrH, recA and atpA) was applied to identify 92 Vibrio strains isolated from crustaceans in 2011. Concatenated sequences were used for the phylogenetic and population analyses and the results were compared with those from biochemical identification tests. From the phylogenetic analysis, 10 clusters and 4 singletons emerged, whereas the population analysis highlighted 12 subpopulations that were well supported by phylogeny with few exceptions. The retrospective analysis allowed correct re-attribution of isolated species, indicating how, for some pathogens, there may be an overestimation of phenotypic identification (e.g. V. parahaemolyticus). Use of the PubMLST Vibrio database highlighted a possible genetic link between Sequence Type (ST) 529 and ST195 (V. alginolyticus) isolated from a human case in Norway during 2018. In addition to the identification of major risk groups of V. cholerae, V. vulnificus and V. parahaemolyticus, MLSA could be a valid support for species considered a minor risk, such as V. alginolyticus, V. mimicus and V. fluvialis. Due to the increased incidence of vibriosis in Europe, the application of different tools will also have to be considered to investigate the possible epidemiological links of the various species in the perspective of Open Science to protect the consumer.
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spelling doaj.art-930681a033084d27a938ffae4d1e0d212023-03-08T22:43:29ZengPAGEPress PublicationsItalian Journal of Food Safety2239-71322023-03-0112110.4081/ijfs.2023.11045Retrospective analysis of <em>Vibrio</em> spp. isolated from marketed crustaceans using multilocus sequence analysisMohammad Shamsur Rahman0Sarah Currò1Lisa Carraro2Barbara Cardazzo3Stefania Balzan4Enrico Novelli5Federico Fontana6Greta Caburlotto7Amedeo Manfrin8Luca Fasolato9Aquatic Animal Health Group, Department of Fisheries, Faculty of Biological Sciences, University of Dhaka, DhakaDepartment of Comparative Biomedicine and Food Science, University of Padua, LegnaroDepartment of Comparative Biomedicine and Food Science, University of Padua, LegnaroDepartment of Comparative Biomedicine and Food Science, University of Padua, LegnaroDepartment of Comparative Biomedicine and Food Science, University of Padua, LegnaroDepartment of Comparative Biomedicine and Food Science, University of Padua, LegnaroDepartment of Comparative Biomedicine and Food Science, University of Padua, LegnaroNational Reference Laboratory for Fish, Crustacean and Mollusc Pathologies, Istituto Zooprofilattico Sperimentale delle Venezie, PadovaNational Reference Laboratory for Fish, Crustacean and Mollusc Pathologies, Istituto Zooprofilattico Sperimentale delle Venezie, PadovaDepartment of Comparative Biomedicine and Food Science, University of Padua, Legnaro The genus Vibrio includes bacteria with different morphological and metabolic characteristics responsible for different human and animal diseases. An accurate identification is essential to assess the risks in regard to aquatic organisms and consequently to public health. The Multilocus Sequence Analysis (MLSA) scheme developed on the basis of 4 housekeeping genes (gyrB, pyrH, recA and atpA) was applied to identify 92 Vibrio strains isolated from crustaceans in 2011. Concatenated sequences were used for the phylogenetic and population analyses and the results were compared with those from biochemical identification tests. From the phylogenetic analysis, 10 clusters and 4 singletons emerged, whereas the population analysis highlighted 12 subpopulations that were well supported by phylogeny with few exceptions. The retrospective analysis allowed correct re-attribution of isolated species, indicating how, for some pathogens, there may be an overestimation of phenotypic identification (e.g. V. parahaemolyticus). Use of the PubMLST Vibrio database highlighted a possible genetic link between Sequence Type (ST) 529 and ST195 (V. alginolyticus) isolated from a human case in Norway during 2018. In addition to the identification of major risk groups of V. cholerae, V. vulnificus and V. parahaemolyticus, MLSA could be a valid support for species considered a minor risk, such as V. alginolyticus, V. mimicus and V. fluvialis. Due to the increased incidence of vibriosis in Europe, the application of different tools will also have to be considered to investigate the possible epidemiological links of the various species in the perspective of Open Science to protect the consumer. https://www.pagepressjournals.org/index.php/ijfs/article/view/11045Vibrio spp.crustaceanMLSAemerging risks
spellingShingle Mohammad Shamsur Rahman
Sarah Currò
Lisa Carraro
Barbara Cardazzo
Stefania Balzan
Enrico Novelli
Federico Fontana
Greta Caburlotto
Amedeo Manfrin
Luca Fasolato
Retrospective analysis of <em>Vibrio</em> spp. isolated from marketed crustaceans using multilocus sequence analysis
Italian Journal of Food Safety
Vibrio spp.
crustacean
MLSA
emerging risks
title Retrospective analysis of <em>Vibrio</em> spp. isolated from marketed crustaceans using multilocus sequence analysis
title_full Retrospective analysis of <em>Vibrio</em> spp. isolated from marketed crustaceans using multilocus sequence analysis
title_fullStr Retrospective analysis of <em>Vibrio</em> spp. isolated from marketed crustaceans using multilocus sequence analysis
title_full_unstemmed Retrospective analysis of <em>Vibrio</em> spp. isolated from marketed crustaceans using multilocus sequence analysis
title_short Retrospective analysis of <em>Vibrio</em> spp. isolated from marketed crustaceans using multilocus sequence analysis
title_sort retrospective analysis of em vibrio em spp isolated from marketed crustaceans using multilocus sequence analysis
topic Vibrio spp.
crustacean
MLSA
emerging risks
url https://www.pagepressjournals.org/index.php/ijfs/article/view/11045
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