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Statements

Subject Item
n2:RIV%2F61389030%3A_____%2F14%3A00433554%21RIV15-GA0-61389030
rdf:type
n14:Vysledek skos:Concept
dcterms:description
According to general model, jasmonic acid (JA) and ethylene (ET) signaling pathways are induced in Arabidopsis after an attack of necrotroph, Sclerotinia sclerotiorum (Lib.) de Bary. However, abscisic acid (ABA) and salicylic acid (SA) also seem to play a role. While signaling events in Arabidopsis have been intensively studied recently, information for the natural host Brassica napus is limited. In this study, multiple plant hormone quantification and expression analysis of marker genes of the signaling pathways was used to gain a complete view of the interaction of B. napus with S. sclerotiorum. Strong response of ET biosynthetic gene ACS2 was observed, accompanied by increases of SA and JA levels that correspond to the elevated expression of marker genes PR1 and LOX3. Interestingly, the level of ABA and the expression of its marker gene RD26 were also elevated. Furthermore, induction of the SA-dependent defense decreased disease symptoms. In addition, SA signaling is suggested as a possible target for manipulation by S. sclerotiorum. A gene for putative chorismate mutase SS1G_14320 was identified that is highly expressed during infection but not in vitro. Our results bring the evidence of SA involvement in the interaction of plant with the necrotroph that conflict with the current model. According to general model, jasmonic acid (JA) and ethylene (ET) signaling pathways are induced in Arabidopsis after an attack of necrotroph, Sclerotinia sclerotiorum (Lib.) de Bary. However, abscisic acid (ABA) and salicylic acid (SA) also seem to play a role. While signaling events in Arabidopsis have been intensively studied recently, information for the natural host Brassica napus is limited. In this study, multiple plant hormone quantification and expression analysis of marker genes of the signaling pathways was used to gain a complete view of the interaction of B. napus with S. sclerotiorum. Strong response of ET biosynthetic gene ACS2 was observed, accompanied by increases of SA and JA levels that correspond to the elevated expression of marker genes PR1 and LOX3. Interestingly, the level of ABA and the expression of its marker gene RD26 were also elevated. Furthermore, induction of the SA-dependent defense decreased disease symptoms. In addition, SA signaling is suggested as a possible target for manipulation by S. sclerotiorum. A gene for putative chorismate mutase SS1G_14320 was identified that is highly expressed during infection but not in vitro. Our results bring the evidence of SA involvement in the interaction of plant with the necrotroph that conflict with the current model.
dcterms:title
Plant hormones in defense response of Brassica napus to Sclerotinia sclerotiorum - Reassessing the role of salicylic acid in the interaction with a necrotroph Plant hormones in defense response of Brassica napus to Sclerotinia sclerotiorum - Reassessing the role of salicylic acid in the interaction with a necrotroph
skos:prefLabel
Plant hormones in defense response of Brassica napus to Sclerotinia sclerotiorum - Reassessing the role of salicylic acid in the interaction with a necrotroph Plant hormones in defense response of Brassica napus to Sclerotinia sclerotiorum - Reassessing the role of salicylic acid in the interaction with a necrotroph
skos:notation
RIV/61389030:_____/14:00433554!RIV15-GA0-61389030
n3:aktivita
n10:S n10:P n10:I
n3:aktivity
I, P(GA13-26798S), S
n3:cisloPeriodika
JUL 2014
n3:dodaniDat
n13:2015
n3:domaciTvurceVysledku
n5:3469689 n5:5421144 n5:4739841 n5:4495349
n3:druhVysledku
n7:J
n3:duvernostUdaju
n4:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
36759
n3:idVysledku
RIV/61389030:_____/14:00433554
n3:jazykVysledku
n15:eng
n3:klicovaSlova
Brassica napus; Chorismate mutase; Defense signaling pathways
n3:klicoveSlovo
n9:Defense%20signaling%20pathways n9:Chorismate%20mutase n9:Brassica%20napus
n3:kodStatuVydavatele
FR - Francouzská republika
n3:kontrolniKodProRIV
[21AA2F426A8A]
n3:nazevZdroje
Plant Physiology and Biochemistry
n3:obor
n18:GF
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
5
n3:projekt
n12:GA13-26798S
n3:rokUplatneniVysledku
n13:2014
n3:svazekPeriodika
80
n3:tvurceVysledku
Dobrev, Petre Burketová, Lenka Valentová, O. Nováková, Miroslava Šašek, Vladimír
n3:wos
000338004600037
s:issn
0981-9428
s:numberOfPages
10
n17:doi
10.1016/j.plaphy.2014.04.019