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Literature summary for 2.7.7.48 extracted from

  • Liao, Y.; Liu, Y.; Liang, J.; Wang, W.; Zhou, J.; Xia, X.; Zhou, Y.; Yu, J.; Shi, K.
    The relationship between the plant-encoded RNA-dependent RNA polymerase 1 and alternative oxidase in tomato basal defense against Tobacco mosaic virus (2014), Planta, 241, 641-650.
No PubMed abstract available
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Cloned(Commentary)

Cloned (Comment) Organism
gene RdRP, phylogenetic analysis, quantitative real-time PCR enzyme expression analysis, Agrobacterium-mediated virus infection of Solanum lycopersicum plants into cotyledons Solanum lycopersicum

Protein Variants

Protein Variants Comment Organism
additional information TMV-induced SlRDR1 expression is blocked by SlAOX1a silencing and enhanced by AOX activator, but SlRDR1 silencing does not influence TMV-induced SlAOX1a activation Solanum lycopersicum

Organism

Organism UniProt Comment Textmining
Solanum lycopersicum Q9ZR58
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-

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
 Solanum lycopersicum
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Synonyms

Synonyms Comment Organism
plant-encoded RNA-dependent RNA polymerase 1
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 Solanum lycopersicum
RDR1
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 Solanum lycopersicum
RDRP
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 Solanum lycopersicum

Expression

Organism Comment Expression
Solanum lycopersicum tobacco mosaic virus inoculation onto Solanum lycopersicum leaves induces an increase in SlRDR1 gene expression in the upper uninoculated leaves. Expression of alternative oxidase SlAOX1a is more rapidly induced. Application of an exogenous AOX activator on empty vector-silenced control plants greatly induces the accumulation of SlRDR1 and SlAOX1a transcript and reduces tobacco mosaic virus viral RNA accumulation, but failed to have such effects on SlRDR1-silenced plants up

General Information

General Information Comment Organism
malfunction silencing SlRDR1 using virus-induced gene silencing system significantly reduces SlRDR1 expression and tomato defense against tobacco mosaic virus but has no evident effect on alternative oxidase SlAOX1a transcription Solanum lycopersicum
metabolism the salicylic acid-induced viral defense in plants is distinct from the pathways mediating bacterial and fungal defense, which is pathogenesis-related protein-independent but involves an RNA-dependent RNA polymerase 1 (RDR1)-mediated RNA silencing mechanism and/or an alternative oxidase (AOX)-associated defense pathway. As the RDR1-mediated RNA silencing pathway and the AOX-regulated pathway are both involved in the salicylic acid-induced defense against viruses but are independent of pathogenesis-related protein genes, crosstalk between these two antiviral pathways may exist Solanum lycopersicum
physiological function enzyme RDR1 is involved in the AOXmediated defense pathway against tobacco mosaic virus infection and plays a crucial role in enhancing RNA silencing to limit virus systemic spread Solanum lycopersicum