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<lom:identifier>
  
<lom:catalog>DOI</lom:catalog>

  
<lom:entry>
  
<lom:langstring xml:lang="x-none">10.1186/s13073-025-01550-5</lom:langstring>

  
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</lom:identifier>

  
<lom:title>
  
<lom:langstring xml:lang="en">Novel multiplex family-wide PCR and Nanopore sequencing of amplicons (FP-NSA) approach for surveillance of influenza- and coronaviruses in humans and animals</lom:langstring>

  
</lom:title>

  
<lom:description>
  
<lom:langstring xml:lang="en">Background
Recent outbreaks of zoonotic diseases like Ebola, Mpox, dengue fever, and COVID-19 highlight gaps in surveillance and early detection at disease hotspots. Virus family-wide diagnostic assays offer a cost-effective and sensitive alternative to metagenomics for initial virus identification. This study introduces a multiplex family-wide PCR coupled with Nanopore sequencing of amplicons (FP-NSA) for surveillance of novel and known zoonotic respiratory viruses, including influenza A and D viruses (IAV and IDV), alpha (α-), beta (β-), and gamma (γ-) coronaviruses (CoVs).

Methods
This assay utilized primers in conserved regions of each virus group for multiplex reverse transcription (RT)-PCR coupled with the portable MinION device for rapid Nanopore sequencing. The FP-NSA was optimized using seven IAV subtypes, IDVs, and α- and β-CoVs. The analytical sensitivity of the FP-NSA was assessed using positive controls of known concentrations from each targeted viral family and validated using clinical samples and cell culture isolates from various host species and geographical origins. Potential novel viruses detected in the clinical samples, based on the FP-NSA, were further analyzed using metagenomics sequencing with the Sequence-Independent Single Primer Amplification (SISPA) approach.

Results
The optimized FP-NSA assay efficiently detected all the targeted viruses singly as well as in co-infection scenarios of multiple respiratory viruses. Evaluation of the assay on 78 selected clinical and cell culture samples (from 184 initially screened) successfully detected IAVs; α-CoVs: porcine epidemic diarrhea virus (PEDV), human coronavirus (HCoV) NL63, and HCoV-229E; β-CoVs: HCoV-OC43, severe acute respiratory syndrome (SARS)-CoV-(1), SARS-CoV-2, and MERS-CoV; and γ-CoV infectious bronchitis virus (γ-CoV_IBV) infections. Additionally, the FP-NSA assay discovered a novel γ-CoV_IBV from Guinea that is phylogenetically distant from known genotypes using a SISPA metagenomics approach.

Conclusions
The assay’s short PCR amplicons enable screening of samples within 4 h, from PCR to sequencing and bioinformatics analysis, providing an adequate number of pathogens’ reads. The portable MinION device makes the assay suitable for pathogen surveillance in disease hotspots and resource-limited regions such as low- and middle-income countries. Thus, the FP-NSA assay is a valuable tool for detecting potential novel and known zoonotic respiratory viruses in the targeted families across various host species.</lom:langstring>

  
</lom:description>

  
<lom:language>eng</lom:language>

  
<lom:keyword>
  
<lom:langstring xml:lang="en">Zoonotic Respiratory Viruses</lom:langstring>

  
</lom:keyword>

  
<lom:keyword>
  
<lom:langstring xml:lang="en">FP-NSA</lom:langstring>

  
</lom:keyword>

  
<lom:keyword>
  
<lom:langstring xml:lang="en">Nanopore Sequencing</lom:langstring>

  
</lom:keyword>

  
<lom:keyword>
  
<lom:langstring xml:lang="en">Multiplex RT-PCR</lom:langstring>

  
</lom:keyword>

  
<lom:keyword>
  
<lom:langstring xml:lang="en">Surveillance</lom:langstring>

  
</lom:keyword>

  
</lom:general>

  
<lom:lifecycle>
  
<lom:datetime>2026-05-11T07:57:42.827Z</lom:datetime>

  
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<lom:centity>
  
<lom:vcard>BEGIN:VCARD
VERSION:3.0
N:Meki;Irene Kasindi;
FN:Irene Kasindi Meki
END:VCARD</lom:vcard>

  
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N:Ahn;Ki Bum;
FN:Ki Bum Ahn
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<lom:vcard>BEGIN:VCARD
VERSION:3.0
N:Dundon;William G.;
FN:William G. Dundon
END:VCARD</lom:vcard>

  
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<lom:vcard>BEGIN:VCARD
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N:Settypalli;Tirumala Bharani K.;
FN:Tirumala Bharani K. Settypalli
END:VCARD</lom:vcard>

  
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N:Leth;Christoph;
FN:Christoph Leth
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VERSION:3.0
N:Steinrigl;Adi;
FN:Adi Steinrigl
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VERSION:3.0
N:Revilla-Fernández;Sandra;
FN:Sandra Revilla-Fernández
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<lom:vcard>BEGIN:VCARD
VERSION:3.0
N:Schmoll;Friedrich;
FN:Friedrich Schmoll
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<lom:vcard>BEGIN:VCARD
VERSION:3.0
N:Ceglie;Letizia;
FN:Letizia Ceglie
END:VCARD</lom:vcard>

  
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<lom:vcard>BEGIN:VCARD
VERSION:3.0
N:Berete;Kouramoudou;
FN:Kouramoudou Berete
END:VCARD</lom:vcard>

  
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<lom:vcard>BEGIN:VCARD
VERSION:3.0
N:Metlin;Artem;
FN:Artem Metlin
END:VCARD</lom:vcard>

  
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<lom:vcard>BEGIN:VCARD
VERSION:3.0
N:Dhingra;Madhur;
FN:Madhur Dhingra
END:VCARD</lom:vcard>

  
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VERSION:3.0
N:Nowotny;Norbert;
FN:Norbert Nowotny
X-ORCID:https://orcid.org/0000-0002-3548-571X
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<lom:vcard>BEGIN:VCARD
VERSION:3.0
N:Cattoli;Giovanni;
FN:Giovanni Cattoli
END:VCARD</lom:vcard>

  
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<lom:centity>
  
<lom:vcard>BEGIN:VCARD
VERSION:3.0
N:Lamien;Charles Euloge;
FN:Charles Euloge Lamien
END:VCARD</lom:vcard>

  
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