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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2011.03.018
|2 doi
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|a pubmed25n0693.xml
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|a (DE-627)NLM207828520
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|a (NLM)21530290
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Song, Weiwei
|e verfasserin
|4 aut
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|a Abscisic acid enhances resistance to Alternaria solani in tomato seedlings
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|c 2011
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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 07.05.2012
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|a Date Revised 07.12.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2011 Elsevier Masson SAS. All rights reserved.
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|a The plant hormone abscisic acid (ABA) is an important regulator in many aspects of plant growth and development, as well as stress resistance. Here, we investigated the effects of exogenous ABA application on the interaction between tomato (Solanum lycopersicon L.) and Alternaria solani (early blight). Foliar spraying of 7.58 μM ABA was effective in reducing disease severity in tomato plants. Previously, increased activities of phenylalanine ammonia-lyase (PAL), polyphenol oxidase (PPO) and peroxidase (POD) were observed in exogenous ABA-treated tomato leaves. Moreover, these enzyme activities were maintained at higher levels in ABA-pretreated and A. solani challenged tomato plants. Tomato defense genes, such as PR1, β-1, 3-glucanase (GLU), PPO, POD, and superoxide dismutase (SOD), were rapidly and significantly up-regulated by exogenous ABA treatment. Furthermore, a subsequent challenge of ABA-pretreated plants with the pathogen A. solani resulted in higher expression of defense genes, compared to water-treated or A. solani inoculated plants. Therefore, our results suggest that exogenous ABA could enhance disease resistance against A. solani infection in tomato through the activation of defense genes and via the enhancement of defense-related enzymatic activities
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a DNA, Complementary
|2 NLM
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|a Plant Growth Regulators
|2 NLM
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|a Plant Proteins
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|a RNA, Messenger
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|a RNA, Plant
|2 NLM
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|a pathogenesis-related proteins, plant
|2 NLM
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|a Abscisic Acid
|2 NLM
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|a 72S9A8J5GW
|2 NLM
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|a Catechol Oxidase
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|a EC 1.10.3.1
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|a Peroxidase
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|a EC 1.11.1.7
|2 NLM
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|a Superoxide Dismutase
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|a EC 1.15.1.1
|2 NLM
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|a Glucan 1,3-beta-Glucosidase
|2 NLM
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|a EC 3.2.1.58
|2 NLM
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|a Phenylalanine Ammonia-Lyase
|2 NLM
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|a EC 4.3.1.24
|2 NLM
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|a Ma, Xinrong
|e verfasserin
|4 aut
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|a Tan, Hong
|e verfasserin
|4 aut
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|a Zhou, Jinyan
|e verfasserin
|4 aut
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 49(2011), 7 vom: 15. Juli, Seite 693-700
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:49
|g year:2011
|g number:7
|g day:15
|g month:07
|g pages:693-700
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|u http://dx.doi.org/10.1016/j.plaphy.2011.03.018
|3 Volltext
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|d 49
|j 2011
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|h 693-700
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