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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1111/nph.14647
|2 doi
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|a pubmed24n0910.xml
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|a (DE-627)NLM272995185
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|a (NLM)28620999
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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 Li, Yanbang
|e verfasserin
|4 aut
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|a Two Silene vulgaris copper transporters residing in different cellular compartments confer copper hypertolerance by distinct mechanisms when expressed in Arabidopsis thaliana
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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 09.04.2018
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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 © 2017 The Authors. New Phytologist © 2017 New Phytologist Trust.
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|a Silene vulgaris is a metallophyte of calamine, cupriferous and serpentine soils all over Europe. Its metallicolous populations are hypertolerant to zinc (Zn), cadmium (Cd), copper (Cu) or nickel (Ni), compared with conspecific nonmetallicolous populations. These hypertolerances are metal-specific, but the underlying mechanisms are poorly understood. We investigated the role of HMA5 copper transporters in Cu-hypertolerance of a S. vulgaris copper mine population. Cu-hypertolerance in Silene is correlated and genetically linked with enhanced expression of two HMA5 paralogs, SvHMA5I and SvHMA5II, each of which increases Cu tolerance when expressed in Arabidopsis thaliana. Most Spermatophytes, except Brassicaceae, possess homologs of SvHMA5I and SvHMA5II, which originate from an ancient duplication predating the appearance of spermatophytes. SvHMA5II and the A. thaliana homolog AtHMA5 localize in the endoplasmic reticulum and upon Cu exposure move to the plasma membrane, from where they are internalized and degraded in the vacuole. This resembles trafficking of mammalian homologs and is apparently an extremely ancient mechanism. SvHMA5I, instead, neofunctionalized and always resides on the tonoplast, likely sequestering Cu in the vacuole. Adaption of Silene to a Cu-polluted soil is at least in part due to upregulation of two distinct HMA5 transporters, which contribute to Cu hypertolerance by distinct mechanisms
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|a Journal Article
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|a Arabidopsis thaliana
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|a Silene vulgaris
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|a HMA5
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|a P1B-ATPase
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|a copper tolerance
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|a heavy metal
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|a intracellular reallocation
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|a Membrane Transport Proteins
|2 NLM
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|a Plant Proteins
|2 NLM
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|a RNA, Messenger
|2 NLM
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|a Green Fluorescent Proteins
|2 NLM
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|a 147336-22-9
|2 NLM
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| 650 |
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|a Copper
|2 NLM
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| 650 |
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|a 789U1901C5
|2 NLM
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| 700 |
1 |
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|a Iqbal, Mazhar
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Qianqian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Spelt, Cornelis
|e verfasserin
|4 aut
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| 700 |
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|a Bliek, Mattijs
|e verfasserin
|4 aut
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|a Hakvoort, Henk W J
|e verfasserin
|4 aut
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|a Quattrocchio, Francesca M
|e verfasserin
|4 aut
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|a Koes, Ronald
|e verfasserin
|4 aut
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| 700 |
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|a Schat, Henk
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 215(2017), 3 vom: 22. Aug., Seite 1102-1114
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:215
|g year:2017
|g number:3
|g day:22
|g month:08
|g pages:1102-1114
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|u http://dx.doi.org/10.1111/nph.14647
|3 Volltext
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|d 215
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|e 3
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|h 1102-1114
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