Comparison of phenotypes produced in response to transient expression of genes encoded by four distinct begomoviruses in Nicotiana benthamiana and their correlation with the levels of developmental miRNAs
2011

Effects of Begomovirus Genes on Plant Development and MicroRNA Levels

publication Evidence: moderate

Author Information

Author(s): Amin Imran, Patil Basavaprabhu L, Briddon Rob W, Mansoor Shahid, Fauquet Claude M

Primary Institution: National Institute for Biotechnology and Genetic Engineering (NIBGE)

Hypothesis

The study investigates how genes from different begomoviruses affect developmental microRNAs in Nicotiana benthamiana.

Conclusion

The study identifies symptom determinants encoded by begomoviruses and shows that their expression correlates with changes in developmental miRNA levels.

Supporting Evidence

  • All genes from four distinct begomoviruses were expressed in plants to study their effects.
  • Changes in miRNA levels were measured using northern blotting.
  • Distinct symptoms were observed based on the specific begomovirus gene expressed.

Takeaway

Scientists looked at how certain plant viruses change the way plants grow by affecting tiny molecules called microRNAs.

Methodology

The study used a Potato virus X vector to express genes from four begomoviruses in Nicotiana benthamiana and analyzed the resulting phenotypes and miRNA levels.

Limitations

The study was conducted in a heterologous host, which may not fully represent the natural interactions in the virus's typical host plants.

Digital Object Identifier (DOI)

10.1186/1743-422X-8-238

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