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Accurate differentiation of Escherichia coli and Shigella serogroups: challenges and strategies

Identifieur interne : 000934 ( Pmc/Checkpoint ); précédent : 000933; suivant : 000935

Accurate differentiation of Escherichia coli and Shigella serogroups: challenges and strategies

Auteurs : N. K. Devanga Ragupathi ; D. P. Muthuirulandi Sethuvel ; F. Y. Inbanathan ; B. Veeraraghavan

Source :

RBID : PMC:5711669

Abstract

Shigella spp. and Escherichia coli are closely related; both belong to the family Enterobacteriaceae. Phenotypically, Shigella spp. and E. coli share many common characteristics, yet they have separate entities in epidemiology and clinical disease, which poses a diagnostic challenge. We collated information for the best possible approach to differentiate clinically relevant E. coli from Shigella spp. We found that a molecular approach is required for confirmation. High discriminatory potential is seen with whole genome sequencing analysed for k-mers and single nucleotide polymorphism. Among these, identification using single nucleotide polymorphism is easy to perform and analyse, and it thus appears more promising. Among the nonmolecular methods, matrix-assisted desorption ionization–time of flight mass spectrometry may be applicable when data analysis is assisted with advanced analytic tools.


Url:
DOI: 10.1016/j.nmni.2017.09.003
PubMed: 29204286
PubMed Central: 5711669


Affiliations:


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PMC:5711669

Le document en format XML

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from
<italic>Shigella</italic>
spp. We found that a molecular approach is required for confirmation. High discriminatory potential is seen with whole genome sequencing analysed for k-mers and single nucleotide polymorphism. Among these, identification using single nucleotide polymorphism is easy to perform and analyse, and it thus appears more promising. Among the nonmolecular methods, matrix-assisted desorption ionization–time of flight mass spectrometry may be applicable when data analysis is assisted with advanced analytic tools.</p>
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<article-id pub-id-type="pmid">29204286</article-id>
<article-id pub-id-type="pmc">5711669</article-id>
<article-id pub-id-type="publisher-id">S2052-2975(17)30074-4</article-id>
<article-id pub-id-type="doi">10.1016/j.nmni.2017.09.003</article-id>
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<subject>Mini-Review</subject>
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</article-categories>
<title-group>
<article-title>Accurate differentiation of
<italic>Escherichia coli</italic>
and
<italic>Shigella</italic>
serogroups: challenges and strategies</article-title>
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<contrib-group>
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<name>
<surname>Devanga Ragupathi</surname>
<given-names>N.K.</given-names>
</name>
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<contrib contrib-type="author">
<name>
<surname>Muthuirulandi Sethuvel</surname>
<given-names>D.P.</given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Inbanathan</surname>
<given-names>F.Y.</given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Veeraraghavan</surname>
<given-names>B.</given-names>
</name>
<email>vbalaji@cmcvellore.ac.in</email>
<xref rid="cor1" ref-type="corresp"></xref>
</contrib>
</contrib-group>
<aff id="aff1">Department of Clinical Microbiology, Christian Medical College, Vellore, India</aff>
<author-notes>
<corresp id="cor1">
<label></label>
Corresponding author. B. Veeraraghavan, Department of Clinical Microbiology, Christian Medical College, Vellore 4, IndiaDepartment of Clinical MicrobiologyChristian Medical CollegeVellore4India
<email>vbalaji@cmcvellore.ac.in</email>
</corresp>
</author-notes>
<pub-date pub-type="pmc-release">
<day>23</day>
<month>9</month>
<year>2017</year>
</pub-date>
<pmc-comment> PMC Release delay is 0 months and 0 days and was based on .</pmc-comment>
<pub-date pub-type="collection">
<month>1</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>23</day>
<month>9</month>
<year>2017</year>
</pub-date>
<volume>21</volume>
<fpage>58</fpage>
<lpage>62</lpage>
<history>
<date date-type="received">
<day>28</day>
<month>6</month>
<year>2017</year>
</date>
<date date-type="rev-recd">
<day>7</day>
<month>9</month>
<year>2017</year>
</date>
<date date-type="accepted">
<day>19</day>
<month>9</month>
<year>2017</year>
</date>
</history>
<permissions>
<copyright-statement>© 2017 The Authors</copyright-statement>
<copyright-year>2017</copyright-year>
<license license-type="CC BY-NC-ND" xlink:href="http://creativecommons.org/licenses/by-nc-nd/4.0/">
<license-p>This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).</license-p>
</license>
</permissions>
<abstract id="abs0010">
<p>
<italic>Shigella</italic>
spp. and
<italic>Escherichia coli</italic>
are closely related; both belong to the family
<italic>Enterobacteriaceae.</italic>
Phenotypically,
<italic>Shigella</italic>
spp. and
<italic>E. coli</italic>
share many common characteristics, yet they have separate entities in epidemiology and clinical disease, which poses a diagnostic challenge. We collated information for the best possible approach to differentiate clinically relevant
<italic>E. coli</italic>
from
<italic>Shigella</italic>
spp. We found that a molecular approach is required for confirmation. High discriminatory potential is seen with whole genome sequencing analysed for k-mers and single nucleotide polymorphism. Among these, identification using single nucleotide polymorphism is easy to perform and analyse, and it thus appears more promising. Among the nonmolecular methods, matrix-assisted desorption ionization–time of flight mass spectrometry may be applicable when data analysis is assisted with advanced analytic tools.</p>
</abstract>
<kwd-group id="kwrds0010">
<title>Keywords</title>
<kwd>16S rRNA</kwd>
<kwd>k-mer</kwd>
<kwd>MALDI-TOF MS</kwd>
<kwd>single nucleotide polymorphism</kwd>
<kwd>whole genome sequencing</kwd>
</kwd-group>
</article-meta>
</front>
</pmc>
<affiliations>
<list></list>
<tree>
<noCountry>
<name sortKey="Devanga Ragupathi, N K" sort="Devanga Ragupathi, N K" uniqKey="Devanga Ragupathi N" first="N. K." last="Devanga Ragupathi">N. K. Devanga Ragupathi</name>
<name sortKey="Inbanathan, F Y" sort="Inbanathan, F Y" uniqKey="Inbanathan F" first="F. Y." last="Inbanathan">F. Y. Inbanathan</name>
<name sortKey="Muthuirulandi Sethuvel, D P" sort="Muthuirulandi Sethuvel, D P" uniqKey="Muthuirulandi Sethuvel D" first="D. P." last="Muthuirulandi Sethuvel">D. P. Muthuirulandi Sethuvel</name>
<name sortKey="Veeraraghavan, B" sort="Veeraraghavan, B" uniqKey="Veeraraghavan B" first="B." last="Veeraraghavan">B. Veeraraghavan</name>
</noCountry>
</tree>
</affiliations>
</record>

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