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Viral Genome Resequencing


Next-generation sequencing (NGS) technology has revolutionized the field of microbial genomics by enabling the production of large amount of sequencing data. However, viral genomes are relatively small and their abundance is relatively low in relation to the host genome. Here we provide a robust viral genome resequencing using NGS and/or long-read sequencing for clinical research and epidemiology.

Our Advantages:
  • Provide standardized laboratory methods and quality assurance processes.
  • Keep up with the frontiers of molecular epidemiology, evolutionary genomics and bioinformatics analysis.
  • Next-generation and long-read sequencing platforms are available for viral genome resequencing.
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Introduction to our viral genome resequencing platform

Whole-genome sequencing of pathogens is becoming increasingly important for both basic research and clinical science & practice. Viral genome resequencing refers to the sequencing of all genetic information of viruses in a time-saving and cost-effective way, identifying sequence variants and providing insight into viral phylogeny and evolution, and pathogenesis. With the availability of reference sequences, reads trimming & filtering and genome assembly become more efficient and accurate. We have established standardized viral genome resequencing platform based on NGS, PacBio and Oxford nanopore instruments. PacBio SMRT sequencing and Oxford nanopore sequencing can generate much longer reads, and detect epigenetic modifications in a single sequencing run.

Viral genome resequencing is important to increase the power of molecular epidemiology, thus accelerating the development of novel treatments and vaccines. Although the progress of viral genome resequencing for clinical practice has been slow, its importance has been gradually accepted, particularly for tracking disease outbreaks, identifying routes of viral transmission, and the detection of all known and novel drug-resistant variants.

Viral genome resequencing workflow

Bioinformatics analysis

Our bioinformatics analysis includes genome assembly, functional annotation and comparative genomic analysis, which is flexible to your needs. Please feel free to contact us to discuss your project.

Bioinformatics Analysis Details
Genome Assembly Read quality assessment, trimming and filtering
Sequence alignment with viral references and outcome evaluation
Functional Annotation NR, GO, COG, KEGG, SwissProt, TrEMBL, Pfam, TCDB, SignalP, CAZy
Detection and prediction of resistance genes
Comparative Genomics Analysis Detection of SNPs, InDels, SVs and translocation
Phylogenetic analysis

Sample requirement

Sampling kits: we provide a range of microbial sampling kits for clients, including MicroCollect™ oral sample microbial collection products and MicroCollect™ stool sample collection products.

Deliverables: Raw sequencing data, assembled and annotated sequences, quality-control dashboard, and the customized bioinformatics report.

References

  1. Houldcroft C J, Beale M A, Breuer J. Clinical and biological insights from viral genome sequencing. Nature Reviews Microbiology, 2017, 15(3): 183.
  2. Berthet N, Descorps-Declère S, Nkili-Meyong A A, et al. Improved assembly procedure of viral RNA genomes amplified with Phi29 polymerase from new generation sequencing data. Biological research, 2016, 49(1): 39.
  3. Marston D A, McElhinney L M, Ellis R J, et al. Next generation sequencing of viral RNA genomes. BMC genomics, 2013, 14(1): 444.
* For Research Use Only. Not for use in diagnostic procedures.

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