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231224s2011 xx |||||o 00| ||eng c |
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|a 10.1111/j.1529-8817.2011.01027.x
|2 doi
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|a eng
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1 |
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|a Kováčik, Jozef
|e verfasserin
|4 aut
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|a COMPARISON OF METHYL JASMONATE AND CADMIUM EFFECT ON SELECTED PHYSIOLOGICAL PARAMETERS IN SCENEDESMUS QUADRICAUDA (CHLOROPHYTA, CHLOROPHYCEAE)(1)
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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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|a Date Completed 30.03.2016
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|a Date Revised 29.03.2016
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2011 Phycological Society of America.
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|a Effect of methyl jasmonate (MeJA) in the concentrations of 10 or 100 μM on selected physiological parameters in Scenedesmus quadricauda (Turp.) Bréb. after 24 h of exposure was studied. Results were compared with the application of general toxic metal (cadmium, Cd) to identify MeJA-specific responses. Accumulation of reactive oxygen species (ROS; hydrogen peroxide and superoxide) was the most elevated by 10 μM MeJA and 100 μM Cd, while total chls showed decrease (Cd) and increase (MeJA) in these variants. The amount of carotenoids and cell viability were affected neither by MeJA nor by Cd application. The sum of free amino acids was considerably elevated by 10 μM Cd (increase in histidine, threonine, arginine, leucine, and lysine mainly) but depleted by 100 μM MeJA (14 from 17 compounds decreased), while accumulation of soluble proteins was unaffected by Cd and enhanced by MeJA. Cadmium application reduced the amount of Ca and also Mg in the case of 100 μM Cd, while MeJA had no effect on the content of mineral nutrients. Total Cd content reached 557 and 1,334 μg · g(-1) dry weight (dwt) in 10 and 100 μM Cd variant, respectively. Intracellular Cd uptake was ca. 55% from total Cd content in both Cd variants. The present findings are discussed in the context of the available literature, and possible explanations are suggested
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|a Journal Article
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|a algae
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|a amino acids
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|a calcium
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|a heavy metals
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|a oxidative stress
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1 |
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|a Klejdus, Bořivoj
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Štork, František
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hedbavny, Josef
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bačkor, Martin
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of phycology
|d 1966
|g 47(2011), 5 vom: 29. Okt., Seite 1044-9
|w (DE-627)NLM098182994
|x 1529-8817
|7 nnns
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| 773 |
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|g volume:47
|g year:2011
|g number:5
|g day:29
|g month:10
|g pages:1044-9
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|u http://dx.doi.org/10.1111/j.1529-8817.2011.01027.x
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