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Leaky Scanning

Leaky Scanning

During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA. Marilyn Kozak discovered that the sequence RCCAUGG (where R...

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Viruses with RNA Genomes

RNA viruses are categorized into positive-strand, negative-strand, or double-stranded groups based on their genomic structure and replication mechanisms. This classification dictates how they exploit host cellular machinery for protein synthesis and replication. Some RNA viruses also utilize reverse transcription as part of their life cycle, further diversifying their replication strategies.Positive-Strand RNA VirusesPositive-strand RNA viruses have genomes that function directly as messenger...

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Related Experiment Video

Updated: Mar 29, 2026

Arbovirus Infections As Screening Tools for the Identification of Viral Immunomodulators and Host Antiviral Factors

Arbovirus Infections As Screening Tools for the Identification of Viral Immunomodulators and Host Antiviral Factors

Published on: September 13, 2018

Comparative Transcriptomic Analysis Reveals Divergent Host Cell Responses to Classical and Variant Pseudorabies Virus

Zihan Yang^1,2, Xi Yang^1,2, Yuqing Duan^1,2

¹College of Animal Science and Technology, Yangtze University, Jingzhou 434025, China.

Veterinary Sciences

|March 27, 2026

Summary

Pseudorabies virus (PRV), a type 1 alphaherpesvirus, infects swine. This study investigates PRV, providing insights into its characteristics and impact.

Keywords:

CYP1A1 and PCNA classical and variant strains comparative transcriptomic analysis pseudorabies virus (suid alphaherpesvirus 1)

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Last Updated: Mar 29, 2026

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Published on: September 13, 2018

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Vaccinia Virus Infection & Temporal Analysis of Virus Gene Expression: Part 1

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Published on: April 8, 2009

Area of Science:

Virology
Molecular Biology
Genomics

Background:

Pseudorabies virus (PRV), or suid alphaherpesvirus 1, is a significant pathogen in swine populations.
PRV belongs to the subfamily Alphaherpsvirinae within the Herpesviridae family.
It is characterized as a double-stranded linear DNA virus.

Purpose of the Study:

To provide a comprehensive overview of Pseudorabies virus.
To detail the genomic and structural characteristics of PRV.
To discuss the implications of PRV infection in swine.

Main Methods:

Literature review and data synthesis.
Bioinformatic analysis of PRV genome.
Comparative genomics with related herpesviruses.

Main Results:

Detailed characterization of the PRV genome and key viral proteins.
Identification of unique genetic features of PRV.
Analysis of PRV's evolutionary relationship within the Alphaherpsvirinae subfamily.

Conclusions:

PRV possesses distinct genetic attributes that influence its pathogenesis.
Understanding PRV's molecular biology is crucial for disease control.
Further research into PRV can aid in developing targeted interventions.