2013
DOI: 10.1007/s11103-013-0083-7
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The floral transition is not the developmental switch that confers competence for the Arabidopsis age-related resistance response to Pseudomonas syringae pv. tomato

Abstract: Age-related resistance (ARR) is a plant defense response characterized by enhanced resistance to certain pathogens in mature plants relative to young plants. In Arabidopsis thaliana the transition to flowering is associated with ARR competence, suggesting that this developmental event is the switch that initiates ARR competence in mature plants (Rusterucci et al. in Physiol Mol Plant Pathol 66:222–231, 2005). The association of ARR and the floral transition was examined using flowering-time mutants and photope… Show more

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Cited by 27 publications
(27 citation statements)
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“…In A. thaliana, the effectiveness of defense is indeed regulated by plant development: the onset of age-related resistance in A. thaliana provides a defense barrier against a broad spectrum of pathogens (Rusterucci et al, 2005). In agreement with our findings, the timing of age-related resistance had been reported not to stand under the direct control of flowering time (Wilson et al, 2013). The subset of genes, whose expression variation in natural populations correlated with flowering time, were also enriched among age-regulated genes (hypergeometric test, p= 7.2e-11).…”
Section: Age-regulated Defense Genes Often Show Positive Co-variationsupporting
confidence: 90%
“…In A. thaliana, the effectiveness of defense is indeed regulated by plant development: the onset of age-related resistance in A. thaliana provides a defense barrier against a broad spectrum of pathogens (Rusterucci et al, 2005). In agreement with our findings, the timing of age-related resistance had been reported not to stand under the direct control of flowering time (Wilson et al, 2013). The subset of genes, whose expression variation in natural populations correlated with flowering time, were also enriched among age-regulated genes (hypergeometric test, p= 7.2e-11).…”
Section: Age-regulated Defense Genes Often Show Positive Co-variationsupporting
confidence: 90%
“…4). Age-related resistance, whereby plants become less susceptible to pathogens as they mature, has been described in Arabidopsis (Kus et al, 2002;Wilson et al, 2013). However, most evidence suggests that high CO 2 does not accelerate senescence.…”
mentioning
confidence: 99%
“…MTFs are regulatory hubs for a plethora of physiological processes in plants, including plant immunity (comparable to animal HOX genes); several MTFs appear to (in)directly regulate cytokinin and jasmonic acid (JA) synthesis and response genes 11 , which affect plant-insect interactions 15-18 , such as that of the AY-WB leafhopper vector M. quadrilineatus 19 . In addition, MTFs regulate age-related resistance responses to pests 20 . Therefore, SAP54-mediated degradation of MTFs may modulate plant immunity leading to attraction of the leafhoppers.…”
Section: Resultsmentioning
confidence: 99%