Abstract
Gene-for-gene resistance to a yellow strain of cucumber mosaic virus [CMV(Y)] is conferred by the dominant RESISTANCE to CMV(Y) (RCY1) allele in the Arabidopsis thaliana ecotype C24. RCY1-conferred resistance to CMV(Y) and expression of the Pathogenesis-related 1 (PR-1) and PR-5 genes are partially compromised by the eds5 mutation and the nahG transgene that block accumulation of salicylic acid (SA). In contrast, the RCY1-conferred resistance to CMV(Y) is not affected by the jasmonic acid (JA)-insensitive coi1 and jar1 mutations. Interestingly, we report here that in contrast to the eds5 RCY1 plant, the eds5 coi1 RCY1 double-mutant plant exhibited a higher level of resistance to CMV(Y). Presence of the coi1 mutant allele also restored the CMV(Y)-activated expression of the PR-1 and PR-5 gene in the eds5 coi1 RCY1 plant. In contrast to the PR-1 and PR-5 genes, expression of the JA-dependent PLANT DEFENSIN 1.2 (PDF1.2) and HEVEIN-LIKE PROTEIN (HEL) genes was elevated in the CMV(Y)-inoculated leaves of the eds5 RCY1 plant, but not in the virus-inoculated leaves of the wild-type RCY1 and coi1 RCY1 plants. We propose that antagonistic interactions between the SA and JA signaling mechanisms modulate defense gene expression and the activation of RCY1-conferred gene-for-gene resistance to CMV(Y).
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Claims 8
Claim · model-written summary
RCY1 confers resistance to CMV(Y) in Arabidopsis C24.
- Taxon
- Arabidopsis thaliana
Arabidopsis thalianae0 - Material
- C24e0
- Interactor
- cucumber mosaic virus
cucumber mosaic cucumoviruse0pathogen - Gene
- RCY1e0
- Outcome
- resistance to a yellow strain of cucumber mosaic virus [CMV(Y)]e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Gene-for-gene resistance to a yellow strain of cucumber mosaic virus [CMV(Y)] is conferred by the dominant RESISTANCE to CMV(Y) (RCY1) allele in the Arabidopsis thaliana ecotype C24.”
Claim · model-written summary
eds5 and nahG partially compromise RCY1-mediated CMV(Y) resistance.
- Taxon
- ArabidopsisArabidopsist0
- Treatment
- eds5 mutation and the nahG transgenee0
- Interactor
- CMV(Y)cucumber mosaic cucumoviruse0pathogen
- Outcome
- RCY1-conferred resistance to CMV(Y)e0
- Direction
- partially compromisede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“RCY1-conferred resistance to CMV(Y) and expression of the Pathogenesis-related 1 (PR-1) and PR-5 genes are partially compromised by the eds5 mutation and the nahG transgene that block accumulation of salicylic acid (SA).”
t0“Arabidopsis”
Claim · model-written summary
eds5 and nahG partially compromise PR-1 and PR-5 expression.
- Taxon
- ArabidopsisArabidopsist0
- Treatment
- eds5 mutation and the nahG transgenee0
- Outcome
- expression of the Pathogenesis-related 1 (PR-1) and PR-5 genese0
- Direction
- partially compromisede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“RCY1-conferred resistance to CMV(Y) and expression of the Pathogenesis-related 1 (PR-1) and PR-5 genes are partially compromised by the eds5 mutation and the nahG transgene that block accumulation of salicylic acid (SA).”
t0“Arabidopsis”
Claim · model-written summary
coi1 and jar1 mutations do not alter RCY1-mediated CMV(Y) resistance.
- Taxon
- ArabidopsisArabidopsist0
- Treatment
- coi1 and jar1 mutationse0
- Interactor
- CMV(Y)cucumber mosaic cucumoviruse0pathogen
- Outcome
- RCY1-conferred resistance to CMV(Y)e0
- Direction
- not affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the RCY1-conferred resistance to CMV(Y) is not affected by the jasmonic acid (JA)-insensitive coi1 and jar1 mutations.”
t0“Arabidopsis”
Claim · model-written summary
The eds5 coi1 RCY1 double mutant has higher CMV(Y) resistance than eds5 RCY1.
- Taxon
- ArabidopsisArabidopsist0
- Material
- eds5 coi1 RCY1 double-mutant plante0
- Interactor
- CMV(Y)cucumber mosaic cucumoviruse0pathogen
- Outcome
- resistance to CMV(Y)e0
- Direction
- highere0
- Comparator
- eds5 RCY1 plante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in contrast to the eds5 RCY1 plant, the eds5 coi1 RCY1 double-mutant plant exhibited a higher level of resistance to CMV(Y).”
t0“Arabidopsis”
Claim · model-written summary
coi1 restores CMV(Y)-activated PR-1 and PR-5 expression in eds5 coi1 RCY1.
- Taxon
- ArabidopsisArabidopsist0
- Treatment
- coi1 mutant allelee0
- Interactor
- CMV(Y)cucumber mosaic cucumoviruse0pathogen
- Outcome
- CMV(Y)-activated expression of the PR-1 and PR-5 genee0
- Direction
- restorede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Presence of the coi1 mutant allele also restored the CMV(Y)-activated expression of the PR-1 and PR-5 gene in the eds5 coi1 RCY1 plant.”
t0“Arabidopsis”
Claim · model-written summary
PDF1.2 and HEL expression rises in infected eds5 RCY1 leaves compared with infected RCY1 and coi1 RCY1 leaves.
- Taxon
- ArabidopsisArabidopsist0
- Material
- eds5 RCY1 plante0
- Organ / stage
- leavese0
- Interactor
- CMV(Y)cucumber mosaic cucumoviruse0pathogen
- Outcome
- expression of the JA-dependent PLANT DEFENSIN 1.2 (PDF1.2) and HEVEIN-LIKE PROTEIN (HEL) genese0
- Direction
- elevatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“expression of the JA-dependent PLANT DEFENSIN 1.2 (PDF1.2) and HEVEIN-LIKE PROTEIN (HEL) genes was elevated in the CMV(Y)-inoculated leaves of the eds5 RCY1 plant, but not in the virus-inoculated leaves of the wild-type RCY1 and coi1 RCY1 plants.”
t0“Arabidopsis”
Claim · model-written summary
The authors propose SA–JA antagonism modulates defense expression and RCY1 resistance to CMV(Y).
- Taxon
- ArabidopsisArabidopsist0
- Interactor
- CMV(Y)cucumber mosaic cucumoviruse0pathogen
- Outcome
- defense gene expression and the activation of RCY1-conferred gene-for-gene resistance to CMV(Y)e0
- Qualifier
- antagonistic interactions between the SA and JA signaling mechanismse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We propose that antagonistic interactions between the SA and JA signaling mechanisms modulate defense gene expression and the activation of RCY1-conferred gene-for-gene resistance to CMV(Y).”
t0“Arabidopsis”
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