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Root zone warming represses foliar diseases in tomato by inducing systemic immunity
Year:
2021
Source of publication :
Plant, Cell and Environment
Authors :
Bar, Maya
;
.
Elad, Yigal
;
.
Gupta, Rupali K.
;
.
Leibman-Markus, Meirav
;
.
Rav David, Dalia
;
.
Volume :
44
Co-Authors:

Rupali Gupta
Meirav Leibman-Markus
Iftah Marash
Neta Kovetz
Dalia Rav-David
 Yigal Elad
 Maya Bar 

Facilitators :
From page:
0
To page:
0
(
Total pages:
1
)
Abstract:

Plants employ systemic-induced resistance as part of their defence arsenal against pathogens. In recent years, the application of mild heating has been found to induce resistance against several pathogens. In the present study, we investigated the effect of root zone warming (RZW) in promoting tomato's resistance against the necrotrophic fungus Botrytis cinerea (Bc), the hemibiotrophic bacterium Xanthomonas campestris pv. vesicatoria (Xcv) and the biotrophic fungus Oidium neolycopersici (On). We demonstrate that RZW enhances tomato's resistance to Bc, On and Xcv through a process that is dependent on salicylic acid and ethylene. RZW induced tomato immunity, resulting in increased defence gene expression, reactive oxygen species (ROS) and ethylene output when plants were challenged, even in the absence of pathogens. Overall, the results provide novel insights into the underlying mechanisms of warming-induced immune responses against phytopathogens with different lifestyles in tomato.

Note:
Related Files :
Botrytis cinerea
disease resistance
Oidium neolycopersici
plant-pathogen interaction
plant immunity
Xanthomonas campestris
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Related Content
More details
DOI :
10.1111/pce.14006
Article number:
0
Affiliations:
Database:
PubMed
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
58237
Last updated date:
14/03/2022 17:06
Creation date:
14/03/2022 17:04
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Scientific Publication
Root zone warming represses foliar diseases in tomato by inducing systemic immunity
44

Rupali Gupta
Meirav Leibman-Markus
Iftah Marash
Neta Kovetz
Dalia Rav-David
 Yigal Elad
 Maya Bar 

Root zone warming represses foliar diseases in tomato by inducing systemic immunity

Plants employ systemic-induced resistance as part of their defence arsenal against pathogens. In recent years, the application of mild heating has been found to induce resistance against several pathogens. In the present study, we investigated the effect of root zone warming (RZW) in promoting tomato's resistance against the necrotrophic fungus Botrytis cinerea (Bc), the hemibiotrophic bacterium Xanthomonas campestris pv. vesicatoria (Xcv) and the biotrophic fungus Oidium neolycopersici (On). We demonstrate that RZW enhances tomato's resistance to Bc, On and Xcv through a process that is dependent on salicylic acid and ethylene. RZW induced tomato immunity, resulting in increased defence gene expression, reactive oxygen species (ROS) and ethylene output when plants were challenged, even in the absence of pathogens. Overall, the results provide novel insights into the underlying mechanisms of warming-induced immune responses against phytopathogens with different lifestyles in tomato.

Scientific Publication
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