Abstract
【Objective】 The objective of this investigation was to study whether exogenous jasmonic acid treatment to the aboveground(or underground) could systemically affect the defense response of underground(or aboveground) in corn,and to find out whether the effect of defense response was related with the signal transduction of jasmonic acid.【Method】 Both chemical analysis and gene expression analysis were employed to study the role of jasmonic acid on the induced defense response of aboveground and underground in corn cultivar Gaoyou 115 by comparative studies prior to using the inhibitor salicylhydroxamic acid(SHAM) in jasmonic acid signaling pathway.【Result】 The results showed that exogenous jasmonic acid applied to the aboveground of corn could systemically affect the content of defense chemicals and the expression of defense-related genes of underground,and vice versa.Jasmonic acid treatment to either aboveground or underground could result in much more obvious defense response in the leaves as compared to the roots,while jasmonic acid treatment to the aboveground could lead to much stronger induction in the same parts of corn than to the underground.Through activating the synthesis of jasmonic acid itself,aboveground application of jasmonia acid could induce the expression of Bx1,Bx9,PAL,PR-1,MPI,FPS and TPS genes,increase DIMBOA content and decrease caffeic acid content in leaves;on the other hand,the systematic induction of gene expression of Bx6,Bx9、PAL and PR-2a,increase of contents of coumaric acid and caffeic acid,and decrease of syringic acid content in the roots were related with the activating of jasmonic acid synthesis in the aboveground.Likewise,after the underground of corn was treated with jasmonic acid,the induced expression of Bx6,PR-2a and MPI genes as well as the decrease of total phenolics in the roots were achieved through activating the synthesis of jasmonic acid itself;while the indirect induction of expression of Bx6,Bx9,PAL,FPS and TPS genes as well as the increase in the contents of DIMBOA,coumaric acid,caffeic acid,and syringic acid in the leaves were related with the activating of jasmonic acid synthesis in the underground.【Conclusion】 These findings indicate that exogenous jamonic acid application to the aboveground can systematically affect the defense response in the underground of corn,and vice versa.Leaves show much stronger induced defense to jasmonic acid application than roots.Application of jasmonic acid to the aboveground of corn has stronger induction than to the underground.The effects of jasmonic acid treatment to aboveground or underground on the defense response in treated parts of corn are acquired mainly by activating the synthesis of corn internal jasmonic acid,and the effects on the defense response in non-treated parts are related with the activating of jasmonic acid synthesis in the treated parts.
Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 15
Claim · model-written summary
Aboveground jasmonic acid altered defense chemical content and defense gene expression underground.
- Taxon
- corn
Zea mays subsp. mayse0 - Treatment
- exogenous jasmonic acid applied to the abovegrounde0
- Outcome
- content of defense chemicals and the expression of defense-related genes of undergrounde0
- Direction
- affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous jasmonic acid applied to the aboveground of corn could systemically affect the content of defense chemicals and the expression of defense-related genes of underground”
Claim · model-written summary
Underground jasmonic acid altered aboveground defense responses.
- Taxon
- cornZea mays subsp. mayst0
- Outcome
- defense responsee1
Not reportedTreatmentComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“underground,and vice versa”
e1“defense response in the leaves”
t0“corn (Zea mays)”
Claim · model-written summary
Jasmonic acid induced a stronger defense response in leaves than roots.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- Jasmonic acid treatment to either aboveground or undergrounde0
- Outcome
- defense response in the leavese0
- Direction
- much more obviouse0
- Comparator
- the rootse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Jasmonic acid treatment to either aboveground or underground could result in much more obvious defense response in the leaves as compared to the roots”
t0“corn (Zea mays)”
Claim · model-written summary
Aboveground application of jasmonic acid produced stronger local induction than underground application.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- jasmonic acid treatment to the abovegrounde0
- Outcome
- induction in the same parts of corne0
- Direction
- much strongere0
- Comparator
- the undergrounde0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“jasmonic acid treatment to the aboveground could lead to much stronger induction in the same parts of corn than to the underground”
Claim · model-written summary
Aboveground jasmonic acid induced Bx1, Bx9, PAL, PR-1, MPI, FPS and TPS expression in leaves through activation of endogenous jasmonic acid synthesis.
- Organ / stage
- leavese0
- Outcome
- expression of Bx1,Bx9,PAL,PR-1,MPI,FPS and TPS genese0
- Qualifier
- activating the synthesis of jasmonic acid itselfe1
Not reportedTaxon
Verbatim
e0“aboveground application of jasmonia acid could induce the expression of Bx1,Bx9,PAL,PR-1,MPI,FPS and TPS genes,increase DIMBOA content and decrease caffeic acid content in leaves”
e1“Through activating the synthesis of jasmonic acid itself”
Claim · model-written summary
Aboveground jasmonic acid increased DIMBOA content in leaves.
- Organ / stage
- leavese0
- Treatment
- aboveground application of jasmonia acide0
- Outcome
- DIMBOA contente0
- Direction
- increasee0
Not reportedTaxonComparator
Verbatim
e0“aboveground application of jasmonia acid could induce the expression of Bx1,Bx9,PAL,PR-1,MPI,FPS and TPS genes,increase DIMBOA content and decrease caffeic acid content in leaves”
Claim · model-written summary
Aboveground jasmonic acid decreased caffeic acid content in leaves.
- Organ / stage
- leavese0
- Treatment
- aboveground application of jasmonia acide0
- Outcome
- caffeic acid contente0
- Direction
- decreasee0
Not reportedTaxonComparator
Verbatim
e0“aboveground application of jasmonia acid could induce the expression of Bx1,Bx9,PAL,PR-1,MPI,FPS and TPS genes,increase DIMBOA content and decrease caffeic acid content in leaves”
Claim · model-written summary
Aboveground jasmonic acid systemically induced Bx6, Bx9, PAL and PR-2a expression in roots.
Not reportedTaxonTreatmentComparator
Verbatim
e0“the systematic induction of gene expression of Bx6,Bx9、PAL and PR-2a,increase of contents of coumaric acid and caffeic acid,and decrease of syringic acid content in the roots were related with the activating of jasmonic acid synthesis in the aboveground”
Claim · model-written summary
Aboveground jasmonic acid increased coumaric and caffeic acid contents in roots.
Not reportedTaxonTreatmentComparator
Verbatim
e0“increase of contents of coumaric acid and caffeic acid,and decrease of syringic acid content in the roots”
Claim · model-written summary
Aboveground jasmonic acid decreased syringic acid content in roots.
Not reportedTaxonTreatmentComparator
Verbatim
e0“decrease of syringic acid content in the roots”
Claim · model-written summary
Underground jasmonic acid induced Bx6, PR-2a and MPI expression in roots through endogenous jasmonic acid synthesis.
- Taxon
- cornZea mays subsp. mayse0
- Treatment
- treated with jasmonic acide0
- Outcome
- expression of Bx6,PR-2a and MPI genese0
- Qualifier
- activating the synthesis of jasmonic acid itselfe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“after the underground of corn was treated with jasmonic acid,the induced expression of Bx6,PR-2a and MPI genes as well as the decrease of total phenolics in the roots were achieved through activating the synthesis of jasmonic acid itself”
Claim · model-written summary
Underground jasmonic acid decreased total phenolics in roots.
- Taxon
- cornZea mays subsp. mayse0
- Organ / stage
- rootse0
- Treatment
- treated with jasmonic acide0
- Outcome
- total phenolicse0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“after the underground of corn was treated with jasmonic acid,the induced expression of Bx6,PR-2a and MPI genes as well as the decrease of total phenolics in the roots”
Claim · model-written summary
Underground jasmonic acid indirectly induced Bx6, Bx9, PAL, FPS and TPS expression in leaves.
Not reportedTaxonTreatmentComparator
Verbatim
e0“the indirect induction of expression of Bx6,Bx9,PAL,FPS and TPS genes as well as the increase in the contents of DIMBOA,coumaric acid,caffeic acid,and syringic acid in the leaves”
Claim · model-written summary
Underground jasmonic acid increased DIMBOA, coumaric acid and caffeic acid in leaves.
Not reportedTaxonTreatmentComparator
Verbatim
e0“increase in the contents of DIMBOA,coumaric acid,caffeic acid,and syringic acid in the leaves”
Claim · model-written summary
Underground jasmonic acid increased syringic acid in leaves.
Not reportedTaxonTreatmentComparator
Verbatim
e0“increase in the contents of DIMBOA,coumaric acid,caffeic acid,and syringic acid in the leaves”
The same questions in other papers
jasmonic acid · disease · Zea mays (maize)Results agree
1 paper in the same direction as this paper
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.