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Published on: October 11, 2013
Multifunctionality of matrix protein in the replication and pathogenesis of Newcastle disease virus: A review
Zhiqiang Duan1, Qianyong Zhang1, Menglan Liu1
1Key Laboratory of Animal Genetics, Breeding and Reproduction in The Plateau Mountainous Region, Ministry of Education, Guizhou University, Guiyang, China; College of Animal Science, Guizhou University, Guiyang, China.
Abstract:
As an important structural protein in virion morphogenesis, the matrix (M) protein of Newcastle disease virus (NDV) is demonstrated to be a nuclear-cytoplasmic trafficking protein and plays essential roles in viral assembly and budding. In recent years, increasing lines of evidence have indicated that the M protein has obvious influence on the pathotypes of NDV, and the interaction of M protein with cellular proteins is also closely associated with the replication and pathogenicity of NDV. Although substantial progress has been made in the past 40 years towards understanding the structure and function of NDV M protein, the available information is scattered. Therefore, this review article summarizes and updates the research progress on the structural feature, virulence and pathotype correlation, and nucleocytoplasmic transport mechanism of NDV M protein, as well as the functions of M protein and cellular protein interactions in M's intracellular localization, viral RNA synthesis and transcription, viral protein synthesis, viral immune evasion, and viral budding and release, which will provide an in-depth understanding of the biological functions of M protein in the replication and pathogenesis of NDV, and also contribute to the development of effective antiviral strategies aiming at blocking the early or late steps of NDV lifecycles.
Insights
The Newcastle disease virus (NDV) matrix (M) protein is crucial for viral assembly and pathogenesis. This review consolidates research on M protein
Area of Science:
- Virology
- Molecular Biology
- Immunology
Background:
- The matrix (M) protein of Newcastle disease virus (NDV) is essential for viral structure and replication.
- M protein influences NDV pathotypes and interacts with host cellular proteins, impacting viral pathogenicity.
- Existing knowledge on NDV M protein is fragmented, necessitating a comprehensive review.
Purpose of the Study:
- To consolidate and update research on the structural features, virulence, and nucleocytoplasmic transport of NDV M protein.
- To elucidate the functions of M protein and its interactions with cellular proteins in viral lifecycle.
- To provide insights for developing antiviral strategies against NDV.
Main Methods:
- Literature review and synthesis of existing research on NDV M protein.
- Analysis of studies on M protein structure, function, and interactions.
- Compilation of data on M protein's role in viral replication and pathogenesis.
Main Results:
- NDV M protein is a nuclear-cytoplasmic trafficking protein vital for viral assembly and budding.
- M protein interactions with cellular proteins are critical for viral RNA/protein synthesis, immune evasion, and release.
- M protein significantly influences NDV virulence and pathotype.
Conclusions:
- A comprehensive understanding of NDV M protein's functions is essential for controlling NDV.
- Targeting M protein-host interactions offers potential antiviral strategies.
- Further research on M protein will advance NDV pathogenesis and therapeutic development.
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