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231223s2011 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2010.12.015
|2 doi
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|a pubmed24n0687.xml
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|a (NLM)21342714
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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 Libik-Konieczny, Marta
|e verfasserin
|4 aut
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|a Effects of Botrytis cinerea and Pseudomonas syringae infection on the antioxidant profile of Mesembryanthemum crystallinum C3/CAM intermediate plant
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|c 2011
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 17.09.2012
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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 © 2011 Elsevier GmbH. All rights reserved.
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|a Mesembryathemum crystallinum plants performing C(3) or CAM (crassulacean acid metabolism) appear to be highly resistant to Botrytis cinerea as well as to Pseudomonas syringae. Fungal hyphae growth was restricted to 48h post-inoculation (hpi) in both metabolic types and morphology of hyphae differed between those growing in C(3) and CAM plants. Growth of bacteria was inhibited significantly 24 hpi in both C(3) and CAM plants. B. cinerea and P. syringae infection led to an increase in the concentration of H(2)O(2) in C(3) plants 3 hpi, while a decrease in H(2)O(2) content was observed in CAM performing plants. The concentration of H(2)O(2) returned to the control level 24 and 48 hpi. Changes in H(2)O(2) content corresponded with the activity of guaiacol peroxidase (POD), mostly 3 hpi. We noted that its activity decreased significantly in C(3) plants and increased in CAM plants in response to inoculation with both pathogens. On the contrary, changes in the activity of CAT did not correlate with H(2)O(2) level. It increased significantly after interaction of C(3) plants with B. cinerea or P. syringae, but in CAM performing plants, the activity of this enzyme was unchanged. Inoculation with B. cinerea or P. syringae led to an increase in the total SOD activity in C(3) plants while CAM plants did not exhibit changes in the total SOD activity after interaction with both pathogens. In conclusion, the pathogen-induced changes in H(2)O(2) content and in SOD, POD and CAT activities in M. crystallinum leaves, were related to the photosynthetic metabolism type of the stressed plants rather than to the lifestyle of the invading pathogen
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Antioxidants
|2 NLM
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|a Hydrogen Peroxide
|2 NLM
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|a BBX060AN9V
|2 NLM
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|a guaiacol peroxidase
|2 NLM
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|a EC 1.11.1.-
|2 NLM
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|a Catalase
|2 NLM
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|a EC 1.11.1.6
|2 NLM
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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 Surówka, Ewa
|e verfasserin
|4 aut
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|a Kuźniak, Elżbieta
|e verfasserin
|4 aut
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|a Nosek, Michał
|e verfasserin
|4 aut
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|a Miszalski, Zbigniew
|e verfasserin
|4 aut
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 168(2011), 10 vom: 01. Juli, Seite 1052-9
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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|g volume:168
|g year:2011
|g number:10
|g day:01
|g month:07
|g pages:1052-9
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|u http://dx.doi.org/10.1016/j.jplph.2010.12.015
|3 Volltext
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