Proteomic Analysis of Cucumber Defense Responses Induced by Propamocarb

Propamocarb is an agricultural chemical that has been widely used to protect cucumber plants from downy mildew. To understand the mechanisms of cucumber defense responses to propamocarb, we investigated the physiological and proteomic responses of the cucumber line D0351 with propamocarb application...

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Main Authors: Peng WU, Zhi-wei QIN, Tao WU, Xiu-yan ZHOU, Ming XIN, Qian-qian GUO
Format: Article
Language:English
Published: Elsevier 2013-11-01
Series:Journal of Integrative Agriculture
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2095311913603706
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author Peng WU
Zhi-wei QIN
Tao WU
Xiu-yan ZHOU
Ming XIN
Qian-qian GUO
author_facet Peng WU
Zhi-wei QIN
Tao WU
Xiu-yan ZHOU
Ming XIN
Qian-qian GUO
author_sort Peng WU
collection DOAJ
description Propamocarb is an agricultural chemical that has been widely used to protect cucumber plants from downy mildew. To understand the mechanisms of cucumber defense responses to propamocarb, we investigated the physiological and proteomic responses of the cucumber line D0351 with propamocarb application. We found that after treatment with propamocarb, the activities of detoxifying enzymes (glutathione reductase, GR; glutathione S-tramsferase, GST) and soluble sugar content of cucumber fruit were significantly increased, but malonaldehyde (MDA) content was significantly reduced. To identify components of propamocarb responsive signaling, we compared the high resolution two-dimensional gel electrophoresis (2-DE) protein profiles of control and propamocarb-treated fruits, and identified 18 differentially expressed (13 up-regulated and 5 down-regulated) proteins induced by propamocarb which were determined by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS). The majority of the proteins had functions related to detoxication, energy and transport, protein biosynthesis, regulating reactions and defending against stresses. A real-time quantitative reverse transcriptional-polymerase chain reaction (qRT-PCR) was used to compare transcript and protein accumulation patterns for 18 candidate proteins, and the expression of 14 was consistent at both transcript and protein levels. The responses of cucumber proteome to propamocarb seemed complex; the identified proteins may play an important role in regulating adaptation activities following exposure to propamocarb. Data presented herein may shed light on understanding cucumber fruit defense responses under propamocarb treatment.
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spelling doaj.art-3fb3824449584c2cbd32c80d0bd49d732022-12-21T21:25:53ZengElsevierJournal of Integrative Agriculture2095-31192013-11-01121120222035Proteomic Analysis of Cucumber Defense Responses Induced by PropamocarbPeng WU0Zhi-wei QIN1Tao WU2Xiu-yan ZHOU3Ming XIN4Qian-qian GUO5College of Horticulture, Northeast Agricultural University, Harbin 150030, P.R. ChinaCorrespondence QIN Zhi-wei, Tel: +86-451-55190058, Fax: +86-451-55190058; College of Horticulture, Northeast Agricultural University, Harbin 150030, P.R. ChinaCollege of Horticulture, Northeast Agricultural University, Harbin 150030, P.R. ChinaCollege of Horticulture, Northeast Agricultural University, Harbin 150030, P.R. ChinaCollege of Horticulture, Northeast Agricultural University, Harbin 150030, P.R. ChinaCollege of Horticulture, Northeast Agricultural University, Harbin 150030, P.R. ChinaPropamocarb is an agricultural chemical that has been widely used to protect cucumber plants from downy mildew. To understand the mechanisms of cucumber defense responses to propamocarb, we investigated the physiological and proteomic responses of the cucumber line D0351 with propamocarb application. We found that after treatment with propamocarb, the activities of detoxifying enzymes (glutathione reductase, GR; glutathione S-tramsferase, GST) and soluble sugar content of cucumber fruit were significantly increased, but malonaldehyde (MDA) content was significantly reduced. To identify components of propamocarb responsive signaling, we compared the high resolution two-dimensional gel electrophoresis (2-DE) protein profiles of control and propamocarb-treated fruits, and identified 18 differentially expressed (13 up-regulated and 5 down-regulated) proteins induced by propamocarb which were determined by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS). The majority of the proteins had functions related to detoxication, energy and transport, protein biosynthesis, regulating reactions and defending against stresses. A real-time quantitative reverse transcriptional-polymerase chain reaction (qRT-PCR) was used to compare transcript and protein accumulation patterns for 18 candidate proteins, and the expression of 14 was consistent at both transcript and protein levels. The responses of cucumber proteome to propamocarb seemed complex; the identified proteins may play an important role in regulating adaptation activities following exposure to propamocarb. Data presented herein may shed light on understanding cucumber fruit defense responses under propamocarb treatment.http://www.sciencedirect.com/science/article/pii/S2095311913603706cucumberfungicidepropamocarbproteomicsqRT-PCR
spellingShingle Peng WU
Zhi-wei QIN
Tao WU
Xiu-yan ZHOU
Ming XIN
Qian-qian GUO
Proteomic Analysis of Cucumber Defense Responses Induced by Propamocarb
Journal of Integrative Agriculture
cucumber
fungicide
propamocarb
proteomics
qRT-PCR
title Proteomic Analysis of Cucumber Defense Responses Induced by Propamocarb
title_full Proteomic Analysis of Cucumber Defense Responses Induced by Propamocarb
title_fullStr Proteomic Analysis of Cucumber Defense Responses Induced by Propamocarb
title_full_unstemmed Proteomic Analysis of Cucumber Defense Responses Induced by Propamocarb
title_short Proteomic Analysis of Cucumber Defense Responses Induced by Propamocarb
title_sort proteomic analysis of cucumber defense responses induced by propamocarb
topic cucumber
fungicide
propamocarb
proteomics
qRT-PCR
url http://www.sciencedirect.com/science/article/pii/S2095311913603706
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AT xiuyanzhou proteomicanalysisofcucumberdefenseresponsesinducedbypropamocarb
AT mingxin proteomicanalysisofcucumberdefenseresponsesinducedbypropamocarb
AT qianqianguo proteomicanalysisofcucumberdefenseresponsesinducedbypropamocarb