Plant Virus–Host Interaction. Molecular Approaches and Viral by R.K. Gaur, Thomas Hohn, Pradeep Sharma

By R.K. Gaur, Thomas Hohn, Pradeep Sharma

Plant Virus-Host Interaction includes state of the art examine in plant molecular virology, together with pathogenic viroids and shipping via insect vectors, interference with transmission to regulate viruses, and synergism, with pivotal assurance of RNA silencing and the counter-defensive techniques utilized by viruses to beat the silencing reaction in crops.

With a transparent specialise in plant virus evolution, together with quantitative and inhabitants genetics, Plant Virus-Host Interaction presents insights at the significant components favoring illness emergence, similar to genetic swap in pathogen and host populations and alterations in host ecology and atmosphere. The booklet additionally examines socioeconomic implications of frequent plant viral brokers. Contributions from prime specialists around the world supply diverse views, whereas accomplished insurance guarantees an entire examine this intriguing field.

  • Covers the emergence of recent viral diseases
  • Provides molecular methods for virus-host interaction
  • Highlights RNA silencing and counter-defensive strategies
  • Discusses socioeconomic implications of viral unfold and mitigation techniques

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2. 1. bReferences. in ORMV-infected Arabidopsis, CMV- or TAV-infected tomato, and PVYor PVX-infected N. benthamiana (Cillo et al 2009, Feng et al 2009, 2012, Hu et al 2011, Pacheco et al 2012). These TF targets included squamosa promoter binding protein-like TF (SPL), growth-regulating factor (GRF), ARF16/17, NAC1, HD-ZIP, TCP4, MYB and SCL6-IV. For the non-TF targets, CSD, pentatricopeptide (PPR), 1-4-beta glucanase (GLU) and TIRNBS-LRR class R gene (LRR), elevated expression levels of both the mRNA targets and the corresponding miRNAs were observed in PVY- or PVXinfected N.

MicroRNA binding sites in Arabidopsis class III ­HD-ZIP mRNAs are required for methylation of the template chromosome. Developmental Cell 7, 653–662. , 2004. MicroRNAs: genomics, biogenesis, mechanism, and function. Cell 116, 281–297. , 2005. Arabidopsis ARGONAUTE1 is an RNA Slicer that selectively recruits microRNAs and short interfering RNAs. Proceedings of the National Academy of Sciences of the United States of America 102, 11928–11933. , 2007. Infection and coaccumulation of tobacco mosaic virus proteins alter microRNA levels, correlating with symptom and plant development.

In Nicotiana benthamiana, miR156 was downregulated by the bipartite DNA begomoviruses African cassava mosaic virus (ACMV) and Cabbage leaf curl virus (CbLCuV), but up-regulated by the monopartite DNA begomoviruses Cotton leaf curl Multan virus (CLCuMV) and Tomato yellow leaf curl virus (TYLCV) and the RNA virus Potato virus X (PVX) (Amin et al 2011). CLCuMV, CbLCuV or TYLCV infection resulted in a slight increase, while ACMV and PVX infection resulted in down-regulation of miR160 (Amin et al 2011).

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