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Systematic analysis of protein identity between Zika virus and other arthropod-borne viruses

Identifieur interne : 001A96 ( Ncbi/Curation ); précédent : 001A95; suivant : 001A97

Systematic analysis of protein identity between Zika virus and other arthropod-borne viruses

Auteurs : Hsiao-Han Chang ; Roland G. Huber [Singapour] ; Peter J. Bond [Singapour] ; Yonatan H. Grad [États-Unis] ; David Camerini [États-Unis] ; Sebastian Maurer-Stroh [Singapour] ; Marc Lipsitch

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RBID : PMC:5487971

Descripteurs français

English descriptors

Abstract

AbstractObjective

To analyse the proportions of protein identity between Zika virus and dengue, Japanese encephalitis, yellow fever, West Nile and chikungunya viruses as well as polymorphism between different Zika virus strains.

Methods

We used published protein sequences for the Zika virus and obtained protein sequences for the other viruses from the National Center for Biotechnology Information (NCBI) protein database or the NCBI virus variation resource. We used BLASTP to find regions of identity between viruses. We quantified the identity between the Zika virus and each of the other viruses, as well as within-Zika virus polymorphism for all amino acid k-mers across the proteome, with k ranging from 6 to 100. We assessed accessibility of protein fragments by calculating the solvent accessible surface area for the envelope and nonstructural-1 (NS1) proteins.

Findings

In total, we identified 294 Zika virus protein fragments with both low proportion of identity with other viruses and low levels of polymorphisms among Zika virus strains. The list includes protein fragments from all Zika virus proteins, except NS3. NS4A has the highest number (190 k-mers) of protein fragments on the list.

Conclusion

We provide a candidate list of protein fragments that could be used when developing a sensitive and specific serological test to detect previous Zika virus infections.


Url:
DOI: 10.2471/BLT.16.182105
PubMed: 28670016
PubMed Central: 5487971

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Hsiao-Han Chang
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Marc Lipsitch
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<nlm:aff id="aff1">Department of Epidemiology, Center for Communicable Disease Dynamics, Harvard TH Chan School of Public Health, 677 Huntington Ave, Boston, Massachusetts, 02115, United States of America (USA).</nlm:aff>
<wicri:noCountry code="subfield">United States of America (USA).</wicri:noCountry>
</affiliation>

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<title>Abstract</title>
<sec>
<title>Objective</title>
<p>To analyse the proportions of protein identity between Zika virus and dengue, Japanese encephalitis, yellow fever, West Nile and chikungunya viruses as well as polymorphism between different Zika virus strains.</p>
</sec>
<sec>
<title>Methods</title>
<p>We used published protein sequences for the Zika virus and obtained protein sequences for the other viruses from the National Center for Biotechnology Information (NCBI) protein database or the NCBI virus variation resource. We used BLASTP to find regions of identity between viruses. We quantified the identity between the Zika virus and each of the other viruses, as well as within-Zika virus polymorphism for all amino acid
<italic>k</italic>
-mers across the proteome, with
<italic>k</italic>
ranging from 6 to 100. We assessed accessibility of protein fragments by calculating the solvent accessible surface area for the envelope and nonstructural-1 (NS1) proteins. </p>
</sec>
<sec>
<title>Findings</title>
<p>In total, we identified 294 Zika virus protein fragments with both low proportion of identity with other viruses and low levels of polymorphisms among Zika virus strains. The list includes protein fragments from all Zika virus proteins, except NS3. NS4A has the highest number (190
<italic>k</italic>
-mers) of protein fragments on the list. </p>
</sec>
<sec>
<title>Conclusion</title>
<p>We provide a candidate list of protein fragments that could be used when developing a sensitive and specific serological test to detect previous Zika virus infections.</p>
</sec>
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