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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1111/nph.14783
|2 doi
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|a pubmed24n0919.xml
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|a (DE-627)NLM275846199
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|a (NLM)28913895
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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 Gao, Huiling
|e verfasserin
|4 aut
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|a NRAMP2, a trans-Golgi network-localized manganese transporter, is required for Arabidopsis root growth under manganese deficiency
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|c 2018
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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 27.07.2018
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|a Date Revised 17.03.2022
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|a published: Print-Electronic
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|a GENBANK: SRX2773959, SRX2773958
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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 To cope with manganese (Mn) deficiency, plants have evolved an efficient transport system to uptake and redistribute Mn. However, the underlying molecular mechanisms remain to be demonstrated. We carried out a forward genetic screen in a root high-affinity Mn transporter nramp1 mutant background in Arabidopsis thaliana and identified an uncharacterized Mn transport NRAMP2. We investigated the effect of nramp2 mutation on root growth and reactive oxygen species (ROS) accumulation and we also examined the NRAMP2 expression pattern, and the subcellular localization and transport activity of NRAMP2. Mutation of NRAMP2 impaired plant growth, while overexpression of NRAMP2 improved plant growth under low Mn conditions. In the nramp2-1nramp1 double mutant, Mn deficiency inhibited root cell elongation and root hair development, which was associated with increased hydrogen peroxide (H2 O2 ) accumulation. NRAMP2 is preferentially localized to the trans-Golgi network. NRAMP2 has Mn influx transport activity in yeast, and mutation of NRAMP2 led to greater Mn retention in roots. Our results suggest that under Mn-deficient conditions, increased accumulation of H2 O2 is partially responsible for the root growth inhibition and NRAMP2 is involved in remobilization of Mn in Golgi for root growth
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|a Journal Article
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|a Arabidopsis thaliana
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|a NRAMP2
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|a manganese (Mn) transport
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|a mutant screening
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|a root growth
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| 650 |
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|a Arabidopsis Proteins
|2 NLM
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|a Cation Transport Proteins
|2 NLM
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| 650 |
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|a solute carrier family 11- (proton-coupled divalent metal ion transporters), member 2
|2 NLM
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|a Manganese
|2 NLM
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| 650 |
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|a 42Z2K6ZL8P
|2 NLM
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| 650 |
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|a Hydrogen Peroxide
|2 NLM
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| 650 |
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|a BBX060AN9V
|2 NLM
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| 700 |
1 |
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|a Xie, Wenxiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Changhong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Jingyi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Jingjun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Hua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Xi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Chao-Feng
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 217(2018), 1 vom: 17. Jan., Seite 179-193
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:217
|g year:2018
|g number:1
|g day:17
|g month:01
|g pages:179-193
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|u http://dx.doi.org/10.1111/nph.14783
|3 Volltext
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