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[Complete sequence analysis on potato virus M infecting Solanum muricatum]
Hongying Zheng1, Jiong Chen, Jianping Chen
1Department of Virology and Biotechnology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China.
Wei Sheng Wu Xue Bao = Acta Microbiologica Sinica
|November 11, 2005
Summary
The complete genetic sequence of Potato virus M (PVM) from Solanum muricatum was determined. This study reveals PVM
Area of Science:
- Plant virology
- Molecular biology
- Genomics
Context:
- Potato virus M (PVM) is a significant pathogen affecting potato crops.
- The genetic diversity and evolutionary relationships of PVM isolates are crucial for disease management.
- This study focuses on PVM found in Solanum muricatum, a novel host.
Purpose:
- To determine the complete genomic sequence of PVM from Solanum muricatum.
- To analyze the genome organization and identify open reading frames (ORFs).
- To compare PVM isolates and understand their genetic variability and phylogenetic relationships.
Summary:
- The complete genomic RNA sequence of PVM from Solanum muricatum is 8526 nucleotides, featuring six ORFs typical of the Carlavirus genus.
- Sequence analysis revealed high nucleotide (62.5%–97.2%) and amino acid (60.9%–97.4%) identities among PVM isolates.
- The coat protein gene is highly conserved, while the TGB3 gene exhibits significant variability. Phylogenetic analysis indicates PVM-Id as a distinct strain.
Impact:
- Provides the first genomic data of PVM from Solanum muricatum, expanding knowledge of its host range.
- Highlights the genetic variability within PVM, particularly in the TGB3 gene, which could influence viral evolution and pathogenicity.
- Contributes to a better understanding of PVM evolution and epidemiology, aiding in the development of control strategies.