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The complete sequence of a human parainfluenzavirus 4 genome

Carmen Yea1, Rose Cheung2, Carol Collins2

  • 1Program in Genetics and Genome Biology, Research Institute, Hospital for Sick Children, Toronto Ontario, Canada.

Viruses
|October 14, 2011
PubMed

Insights

Researchers sequenced the complete genome of human parainfluenza virus 4 (HPIV4), a respiratory virus. This provides crucial new data on its genetic makeup and longest genome in its genus.

Area of Science:

  • Virology
  • Genomics
  • Molecular Biology

Background:

  • Human parainfluenza virus 4 (HPIV4) is a known respiratory pathogen.
  • Its complete genome sequence has remained elusive, unlike other human paramyxoviruses.
  • This lack of genomic data hinders comprehensive characterization and research.

Purpose of the Study:

  • To obtain and analyze the first complete genomic sequence of HPIV4.
  • To provide a foundational resource for future HPIV4 research.
  • To contribute to the understanding of the Paramyxoviridae family.

Main Methods:

  • Isolation of HPIV4 from a clinical sample (SKPIV4).
  • Whole-genome sequencing of the HPIV4 isolate.
  • Bioinformatic analysis and comparison with existing HPIV4 partial sequences.

Main Results:

  • The first complete HPIV4 genome sequence was successfully obtained.
  • High sequence identity (95-97%) was observed in coding regions for N, P/V, M, F, and HN proteins compared to HPIV4B.
  • Novel sequence information was identified for the L protein and non-coding regions.
  • The HPIV4 genome, exceeding 17 kb, is the longest within the Rubulavirus genus.

Conclusions:

  • The complete HPIV4 genome sequence is now available.
  • This genomic data offers new insights into HPIV4 biology and evolution.
  • Facilitates further research into this understudied respiratory virus.
Keywords:
L proteincomplete genome sequencehuman parainfluenza virus 4long RT-PCR

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