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Analysis of Neurotoxin Cluster Genes in Clostridium botulinum Strains Producing Botulinum Neurotoxin Serotype A Subtypes

Neurotoxin cluster gene sequences and arrangements were elucidated for strains of Clostridium botulinum encoding botulinum neurotoxin (BoNT) subtypes A3, A4, and a unique A1-producing strain (HA(−) Orfx(+) A1). These sequences were compared to the known neurotoxin cluster sequences of C. botulinum s...

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Main Authors: Jacobson, Mark J., Lin, Guangyun, Raphael, Brian, Andreadis, Joanne, Johnson, Eric A.
Format: Artigo
Sprog:English
Udgivet: American Society for Microbiology (ASM) 2008
Fag:
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC2394882/
https://ncbi.nlm.nih.gov/pubmed/18326685
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1128/AEM.02828-07
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spelling pubmed-23948822008-09-01 Analysis of Neurotoxin Cluster Genes in Clostridium botulinum Strains Producing Botulinum Neurotoxin Serotype A Subtypes Jacobson, Mark J. Lin, Guangyun Raphael, Brian Andreadis, Joanne Johnson, Eric A. Appl Environ Microbiol Evolutionary and Genomic Microbiology Neurotoxin cluster gene sequences and arrangements were elucidated for strains of Clostridium botulinum encoding botulinum neurotoxin (BoNT) subtypes A3, A4, and a unique A1-producing strain (HA(−) Orfx(+) A1). These sequences were compared to the known neurotoxin cluster sequences of C. botulinum strains that produce BoNT/A1 and BoNT/A2 and possess either a hemagglutinin (HA) or an Orfx cluster, respectively. The A3 and HA(−) Orfx(+) A1 strains demonstrated a neurotoxin cluster arrangement similar to that found in A2. The A4 strain analyzed possessed two sets of neurotoxin clusters that were similar to what has been found in the A(B) strains: an HA cluster associated with the BoNT/B gene and an Orfx cluster associated with the BoNT/A4 gene. The nucleotide and amino acid sequences of the neurotoxin cluster-specific genes were determined for each neurotoxin cluster and compared among strains. Additionally, the ntnh gene of each strain was compared on both the nucleotide and amino acid levels. The degree of similarity of the sequences of the ntnh genes and corresponding amino acid sequences correlated with the neurotoxin cluster type to which the ntnh gene was assigned. American Society for Microbiology (ASM) 2008-05 2008-03-07 /pmc/articles/PMC2394882/ /pubmed/18326685 http://dx.doi.org/10.1128/AEM.02828-07 Text en Copyright © 2008, American Society for Microbiology
institution US National Library of Medicine
collection PubMed Central
language English
format Article
topic Evolutionary and Genomic Microbiology
spellingShingle Evolutionary and Genomic Microbiology
Jacobson, Mark J.
Lin, Guangyun
Raphael, Brian
Andreadis, Joanne
Johnson, Eric A.
Analysis of Neurotoxin Cluster Genes in Clostridium botulinum Strains Producing Botulinum Neurotoxin Serotype A Subtypes
description Neurotoxin cluster gene sequences and arrangements were elucidated for strains of Clostridium botulinum encoding botulinum neurotoxin (BoNT) subtypes A3, A4, and a unique A1-producing strain (HA(−) Orfx(+) A1). These sequences were compared to the known neurotoxin cluster sequences of C. botulinum strains that produce BoNT/A1 and BoNT/A2 and possess either a hemagglutinin (HA) or an Orfx cluster, respectively. The A3 and HA(−) Orfx(+) A1 strains demonstrated a neurotoxin cluster arrangement similar to that found in A2. The A4 strain analyzed possessed two sets of neurotoxin clusters that were similar to what has been found in the A(B) strains: an HA cluster associated with the BoNT/B gene and an Orfx cluster associated with the BoNT/A4 gene. The nucleotide and amino acid sequences of the neurotoxin cluster-specific genes were determined for each neurotoxin cluster and compared among strains. Additionally, the ntnh gene of each strain was compared on both the nucleotide and amino acid levels. The degree of similarity of the sequences of the ntnh genes and corresponding amino acid sequences correlated with the neurotoxin cluster type to which the ntnh gene was assigned.
author Jacobson, Mark J.
Lin, Guangyun
Raphael, Brian
Andreadis, Joanne
Johnson, Eric A.
author_facet Jacobson, Mark J.
Lin, Guangyun
Raphael, Brian
Andreadis, Joanne
Johnson, Eric A.
author_sort Jacobson, Mark J.
title Analysis of Neurotoxin Cluster Genes in Clostridium botulinum Strains Producing Botulinum Neurotoxin Serotype A Subtypes
title_short Analysis of Neurotoxin Cluster Genes in Clostridium botulinum Strains Producing Botulinum Neurotoxin Serotype A Subtypes
title_full Analysis of Neurotoxin Cluster Genes in Clostridium botulinum Strains Producing Botulinum Neurotoxin Serotype A Subtypes
title_fullStr Analysis of Neurotoxin Cluster Genes in Clostridium botulinum Strains Producing Botulinum Neurotoxin Serotype A Subtypes
title_full_unstemmed Analysis of Neurotoxin Cluster Genes in Clostridium botulinum Strains Producing Botulinum Neurotoxin Serotype A Subtypes
title_sort analysis of neurotoxin cluster genes in clostridium botulinum strains producing botulinum neurotoxin serotype a subtypes
publisher American Society for Microbiology (ASM)
publisher_facet American Society for Microbiology (ASM)
publishDate 2008
url https://ncbi.nlm.nih.gov/pmc/articles/PMC2394882/
https://ncbi.nlm.nih.gov/pubmed/18326685
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1128/AEM.02828-07
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