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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2018.12.011
|2 doi
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|a pubmed24n0981.xml
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|a (DE-627)NLM294483284
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|a (NLM)30824008
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|a (PII)S0168-9452(18)30938-5
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Lin, Hsin-Hung
|e verfasserin
|4 aut
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| 245 |
1 |
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|a The p38-like MAP kinase modulated H2O2 accumulation in wounding signaling pathways of sweet potato
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 18.03.2019
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2018 Elsevier B.V. All rights reserved.
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|a In sweet potato (Ipomoea batatas cv Tainung 57), MAPK cascades are involved in the regulation of Ipomoelin (IPO) expression upon wounding. p38 MAPK plays an important role in plant's responses to various environmental stresses. However, the role of p38-like MAPK in wounding response is still unknown. In this study, the levels of phosphorylated-p38-like MAPK (pp38-like MAPK) in sweet potato were noticeably reduced after wounding. In addition, SB203580 (SB), a specific inhibitor blocking p38 MAPK phosphorylation, considerably decreased the accumulation of pp38-like MAPK. Expression of a wound-inducible gene IPO was elevated by SB. Moreover, it stimulated hydrogen peroxide (H2O2) production rather than cytosolic Ca2+ elevation in sweet potato leaves. However, NADPH oxidase (NOX) inhibitor diphenyleneiodonium could not inhibit IPO induction stimulated by SB. These results indicated a p38-like MAPK mechanism was involved in the regulation of IPO expression through NOX-independent H2O2 generation. In addition, the presence of the protein phosphatase inhibitor okadaic acid or the MEK1/ERK inhibitor PD98059 repressed the H2O2- or SB-induced IPO expression, demonstrating phosphatase(s) and MEK1/ERK functioning in the downstream of H2O2 and pp38-like MAPK in the signal transduction pathway stimulating IPO. Conclusively, wounding decreased the amount of pp38-like MAPK, stimulated H2O2 production, and then induced IPO expression
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|a Journal Article
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|a Hydrogen peroxide
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|a Ipomoelin
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|a Sweet potato
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|a Wounding
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|a p38-like MAPK
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|a Enzyme Inhibitors
|2 NLM
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|a Flavonoids
|2 NLM
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|a Imidazoles
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|a Onium Compounds
|2 NLM
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|a Plant Proteins
|2 NLM
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|a Pyridines
|2 NLM
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|a Okadaic Acid
|2 NLM
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|a 1W21G5Q4N2
|2 NLM
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|a diphenyleneiodonium
|2 NLM
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|a 6HJ411TU98
|2 NLM
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|a Hydrogen Peroxide
|2 NLM
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|a BBX060AN9V
|2 NLM
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|a p38 Mitogen-Activated Protein Kinases
|2 NLM
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|a EC 2.7.11.24
|2 NLM
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|a SB 203580
|2 NLM
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|a OU13V1EYWQ
|2 NLM
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|a 2-(2-amino-3-methoxyphenyl)-4H-1-benzopyran-4-one
|2 NLM
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| 650 |
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|a SJE1IO5E3I
|2 NLM
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| 700 |
1 |
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|a King, Yu-Chi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Yu-Chi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lin, Chih-Ching
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Yu-Chi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lin, Jeng-Shane
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jeng, Shih-Tong
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 280(2019) vom: 01. März, Seite 305-313
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnns
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| 773 |
1 |
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|g volume:280
|g year:2019
|g day:01
|g month:03
|g pages:305-313
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|u http://dx.doi.org/10.1016/j.plantsci.2018.12.011
|3 Volltext
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|d 280
|j 2019
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|h 305-313
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