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Affinity Purification of Influenza Virus Ribonucleoprotein Complexes from the Chromatin of Infected Cells
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Structure and Function of Influenza Virus Ribonucleoprotein
Chun-Yeung Lo1, Yun-Sang Tang1, Pang-Chui Shaw2
1Centre for Protein Science and Crystallography, School of Life Sciences, The Chinese University of Hong Kong, Shatin, N.T, Hong Kong, China.
Sub-Cellular Biochemistry
|June 15, 2018
Summary
Influenza virus ribonucleoprotein (RNP) complexes, essential for viral replication, are detailed. Recent structural studies illuminate the functions and mechanisms of the RNA-dependent RNA polymerase (RdRP) and nucleoprotein (NP) subunits.
Area of Science:
- Virology
- Structural Biology
- Molecular Biology
Background:
- Influenza virus is a negative-sense single-stranded RNA virus with a segmented genome.
- The viral genome is encapsidated by ribonucleoprotein (RNP) complexes.
- RNP complexes are critical for viral transcription and replication.
Purpose of the Study:
- To review the current understanding of the influenza virus RNP complex structure.
- To summarize the structures of individual RNP subunits.
- To discuss the crucial functions of the RNP complex in the viral life cycle.
Main Methods:
- Review of recent structural characterization studies of influenza virus RdRP and RNP.
- Analysis of published data on RNP subunit structures.
- Synthesis of information on RNP complex functions.
Main Results:
- Detailed structural insights into the influenza virus RNP complex have been obtained.
- The structures of the RNA-dependent RNA polymerase (RdRP) and nucleoprotein (NP) have been elucidated.
- Understanding of the RNP complex's role in viral transcription and replication has advanced.
Conclusions:
- The structural characterization of influenza RNP complexes provides a mechanistic basis for their functions.
- Further research into RNP structure and function will enhance our understanding of influenza virus replication.
- This review consolidates current knowledge on influenza RNP structure and function.
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