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Data · dataset · 2015

Proteomic investigation of glucosinolate systematically changes in Arabidopsis Rosette leaves to exogenous methyl jasmonate

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Defense responses of plants are activated not only in the wounded tissues but also in the remote parts of the plants.

Description

Two different methyl jasmonate (MeJA) treatments were conducted, i.e., MeJA solution spraying of entire rosettes leaves and pasting leaf surface with lanolin squares containing MeJA. Glucosinolate profiles in leaves were similar using the two methods of MeJA treatment except for indole glucosinolates.

The glucosinolate profiles in local and systemic leaves showed that the accumulation of glucosinolates in systemic leaves were delayed comparing with those in local treated leaves. Comparative proteomics were used to investigate the molecular processes underlying the glucosinolate changes in response to local and systemic MeJA induction. A total of 83 unique proteins were detected as differentially expressed between the local and systemic leaves.

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Functional analysis showed that redirection of metabolism from growth to defense was differentially regulated in local and systemic MeJA induction. The higher contents of indole glucosinolates in systemic leaves might arise from the induction of a long-distance signal produced in local leaves as well as from JA synthesized in systemic leaves.

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Life Sciences
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Mass spectrometry 65%

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Provenance · 1 source records, 12 field assertions
SourceKeyLast seenRaw
DataCite10.6084/m9.figshare.825940.v212 d agoJSON v1
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concepts[field].fos:biological-sciencessource · DataCiteconnector:datacite@1.0.0
concepts[field].fos:clinical-medicinesource · DataCiteconnector:datacite@1.0.0
concepts[field].local:field:life-sciencesmapping · DataCitevocabulary-mapper@1.0.0keywords['Biological Sciences']
concepts[modality].local:modality:mass-spectrometryenrichment · DataCitekeyword-concept-rules@1.0.0title+description (65%)
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