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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1007/s10646-009-0389-z
|2 doi
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|a pubmed25n0634.xml
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|a (NLM)19629681
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Zhou, Yu-Qing
|e verfasserin
|4 aut
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| 245 |
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|a The physiological response and sub-cellular localization of lead and cadmium in Iris pseudacorus L
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|c 2010
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| 336 |
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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 22.03.2010
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|a Date Revised 20.10.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The seedling development and physiological responses of Iris pseudacorus L. to Pb and Cd and their combination were studied for 28 days liquid culture and sub-cellular localization of Pb and Cd in the root tip cells treated with 2,070 mg L(-1) Pb and 1,000 mg L(-1)Cd for 16 days sand culture was evaluated. Results showed that the dry weights (DWs) of shoots and roots of I. pseudacorus were significantly decreased at 500 mg L(-1)Pb and 25 mg L(-1)Cd + 500 mg L(-1)Pb treatments and the root DWs under all treatments were significantly decreased in comparison with that of control. The concentrations of Chla in the leaves were decreased at all treatments, while, the concentrations of Chlb and total carotenoids were not significantly decreased under 25 mg L(-1)Cd and 25 mg L(-1)Cd + 500 mg L(-1)Pb treatments. The MDA and proline concentrations and POD activities in the shoots and roots were increased under treatments of 500 mg L(-1)Pb and 25 mg L(-1)Cd + 500 mg L(-1)Pb, but POD activities in the shoots and roots and MDA concentrations in the shoots were significantly decreased at 25 mg L(-1) Cd treatment. The results of sub-cellular localization of Pb and Cd showed that numerous Pb deposits were found on the inner surface of died cell walls in the cortex treated with 2,070 mg L(-1) Pb and Cd deposits were found in the cell wall treated with 1,000 mg L(-1) Cd. Pb and Cd deposits were not found in the cytoplasm. The results indicated that POD and proline showed strong beneficial properties against Pb and Cd stress and there were some mechanisms keeping most cells with normal activities in the plant from Pb toxicity by sacrificing a few cells that accumulated a large amount Pb. Sub-cellular localizations of Pb and Cd in the root tip cells of I. pseudacorus were little difference with the localizations in other species of Iris in the previous studies
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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|a Environmental Pollutants
|2 NLM
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|a Cadmium
|2 NLM
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|a 00BH33GNGH
|2 NLM
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|a Lead
|2 NLM
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| 650 |
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|a 2P299V784P
|2 NLM
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| 650 |
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|a Malondialdehyde
|2 NLM
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| 650 |
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|a 4Y8F71G49Q
|2 NLM
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| 650 |
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|a Proline
|2 NLM
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|a 9DLQ4CIU6V
|2 NLM
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|a Peroxidase
|2 NLM
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| 650 |
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|a EC 1.11.1.7
|2 NLM
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| 700 |
1 |
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|a Huang, Su-Zhen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Shi-Long
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gu, Ji-Guang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Jiu-Zhou
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Han, Yu-Lin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fu, Jia-Jia
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Ecotoxicology (London, England)
|d 1998
|g 19(2010), 1 vom: 23. Jan., Seite 69-76
|w (DE-627)NLM098212214
|x 1573-3017
|7 nnns
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| 773 |
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|g volume:19
|g year:2010
|g number:1
|g day:23
|g month:01
|g pages:69-76
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| 856 |
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|u http://dx.doi.org/10.1007/s10646-009-0389-z
|3 Volltext
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