Cytokinin response induces immunity and fungal pathogen resistance in tomato by modulating cellular trafficking of PRRs

Gupta, Rupali; Pizarro, Lorena; Leibman‐Markus, Meirav; Marash, Iftah; Bar, Maya

doi:10.1101/2020.03.23.003822

Cited by 3 publications

(1 citation statement)

References 67 publications

(6 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…To examine the underlying factors modulating disease susceptibility following virus infection, we next assayed immune system activation and defense gene expression following infection with ToMV and ToBRFV. Both viruses increased ROS production in response to elicitation with the bacterial flagellin peptide flg-22 (Pizarro et al, 2020) (Figures 3A, B), while pre-infection by ToMV also promoted ROS production in response to the fungal elicitor EIX (ethylene-inducing xylanase (Anand et al, 2021), Figures 3D, E). ToMV caused an increase in basal conductivity (Figure 3C), and both viruses increased conductivity in response to EIX treatment (Figure 3F).…”

Section: Infection With Tobamoviruses Affects Cellular Immunity and D...mentioning

confidence: 99%

Tobamovirus infection aggravates gray mold disease caused by Botrytis cinerea by manipulating the salicylic acid pathway in tomato

et al. 2023

View full text Add to dashboard Cite

Botrytis cinerea is the causative agent of gray mold disease, and infects more than 1400 plant species, including important crop plants. In tomato, B. cinerea causes severe damage in greenhouses and post-harvest storage and transport. Plant viruses of the Tobamovirus genus cause significant damage to various crop species. In recent years, the tobamovirus tomato brown rugose fruit virus (ToBRFV) has significantly affected the global tomato industry. Most studies of plant-microbe interactions focus on the interaction between the plant host and a single pathogen, however, in agricultural or natural environments, plants are routinely exposed to multiple pathogens. Here, we examined how preceding tobamovirus infection affects the response of tomato to subsequent infection by B. cinerea. We found that infection with the tobamoviruses tomato mosaic virus (ToMV) or ToBRFV resulted in increased susceptibility to B. cinerea. Analysis of the immune response of tobamovirus-infected plants revealed hyper-accumulation of endogenous salicylic acid (SA), upregulation of SA-responsive transcripts, and activation of SA-mediated immunity. Deficiency in SA biosynthesis decreased tobamovirus-mediated susceptibility to B. cinerea, while exogenous application of SA enhanced B. cinerea symptoms. These results suggest that tobamovirus-mediated accumulation of SA increases the plants’ susceptibility to B. cinerea, and provide evidence for a new risk caused by tobamovirus infection in agriculture.

show abstract

Section: Infection With Tobamoviruses Affects Cellular Immunity and D...mentioning

confidence: 99%

Tobamovirus infection aggravates gray mold disease caused by Botrytis cinerea by manipulating the salicylic acid pathway in tomato

et al. 2023

View full text Add to dashboard Cite

show abstract

Trichoderma Synthesizes Cytokinins and Alters Cytokinin Dynamics of Inoculated Arabidopsis Seedlings

Bean

Kisiała

Morrison

et al. 2021

J Plant Growth Regul

View full text Add to dashboard Cite

The Hulks and the Deadpools of the Cytokinin Universe: A Dual Strategy for Cytokinin Production, Translocation, and Signal Transduction

2021

View full text Add to dashboard Cite

Cytokinins are plant hormones, derivatives of adenine with a side chain at the N6-position. They are involved in many physiological processes. While the metabolism of trans-zeatin and isopentenyladenine, which are considered to be highly active cytokinins, has been extensively studied, there are others with less obvious functions, such as cis-zeatin, dihydrozeatin, and aromatic cytokinins, which have been comparatively neglected. To help explain this duality, we present a novel hypothesis metaphorically comparing various cytokinin forms, enzymes of CK metabolism, and their signalling and transporter functions to the comics superheroes Hulk and Deadpool. Hulk is a powerful but short-lived creation, whilst Deadpool presents a more subtle and enduring force. With this dual framework in mind, this review compares different cytokinin metabolites, and their biosynthesis, translocation, and sensing to illustrate the different mechanisms behind the two CK strategies. This is put together and applied to a plant developmental scale and, beyond plants, to interactions with organisms of other kingdoms, to highlight where future study can benefit the understanding of plant fitness and productivity.

show abstract

Cytokinin response induces immunity and fungal pathogen resistance in tomato by modulating cellular trafficking of PRRs

Abstract: 12

Cited by 3 publications

References 67 publications

Tobamovirus infection aggravates gray mold disease caused by Botrytis cinerea by manipulating the salicylic acid pathway in tomato

Tobamovirus infection aggravates gray mold disease caused by Botrytis cinerea by manipulating the salicylic acid pathway in tomato

Trichoderma Synthesizes Cytokinins and Alters Cytokinin Dynamics of Inoculated Arabidopsis Seedlings

The Hulks and the Deadpools of the Cytokinin Universe: A Dual Strategy for Cytokinin Production, Translocation, and Signal Transduction

Contact Info

Product

Resources

About