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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2017.04.008
|2 doi
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|a pubmed24n0903.xml
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|a (DE-627)NLM270997962
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|a (NLM)28412634
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|a (PII)S0981-9428(17)30128-6
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Chandra, Swarnendu
|e verfasserin
|4 aut
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|a Chitosan-induced immunity in Camellia sinensis (L.) O. Kuntze against blister blight disease is mediated by nitric-oxide
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|c 2017
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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 29.12.2017
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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 © 2017 Elsevier Masson SAS. All rights reserved.
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|a Blister blight disease, caused by an obligate biotrophic fungal pathogen, Exobasidium vexans Massee is posing a serious threat for tea cultivation in Asia. As the use of chemical pesticides on tea leaves substantially increases the toxic risks of tea consumption, serious attempts are being made to control such pathogens by boosting the intrinsic natural defense responses against invading pathogens in tea plants. In this study, the nature and durability of resistance offered by chitosan and the possible mechanism of chitosan-induced defense induction in Camellia sinensis (L.) O. Kuntze plants against blister blight disease were investigated. Foliar application of 0.01% chitosan solution at 15 days interval not only reduced the blister blight incidence for two seasons, but also maintained the induced expressions of different defense related enzymes and total phenol content compared to the control. Defense responses induced by chitosan were found to be down regulated under nitric oxide (NO) deficient conditions in vivo, indicating that the observed chitosan-induced resistance is probably activated via NO signaling. Such role of NO in host defense response was further established by application of the NO donor, sodium nitroprusside (SNP), which produced similar defense responses accomplished through chitosan treatment. Taken together, our results suggest that increased production of NO in chitosan-treated tea plants may play a critical role in triggering the innate defense responses effective against plant pathogens, including that causing the blister blight disease
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|a Journal Article
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|a Blister blight disease
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|a Chitosan
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|a Innate immunity
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|a Nitric oxide
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|a Plant defense
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|a Phenols
|2 NLM
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|a Nitroprusside
|2 NLM
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|a 169D1260KM
|2 NLM
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|a Nitric Oxide
|2 NLM
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|a 31C4KY9ESH
|2 NLM
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| 650 |
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|a Chitosan
|2 NLM
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| 650 |
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|a 9012-76-4
|2 NLM
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| 700 |
1 |
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|a Chakraborty, Nilanjan
|e verfasserin
|4 aut
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1 |
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|a Panda, Koustubh
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Acharya, Krishnendu
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 115(2017) vom: 15. Juni, Seite 298-307
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:115
|g year:2017
|g day:15
|g month:06
|g pages:298-307
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|u http://dx.doi.org/10.1016/j.plaphy.2017.04.008
|3 Volltext
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