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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1111/nph.16231
|2 doi
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|a pubmed24n1005.xml
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|a (DE-627)NLM301767726
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|a (NLM)31569267
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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 |
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|a Jiang, Yu-Tong
|e verfasserin
|4 aut
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| 245 |
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|a Two tonoplast proton pumps function in Arabidopsis embryo development
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|c 2020
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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 08.04.2021
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|a Date Revised 08.04.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2019 The Authors. New Phytologist © 2019 New Phytologist Trust.
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|a Two types of tonoplast proton pumps, H+ -pyrophosphatase (V-PPase) and the H+ -ATPase (V-ATPase), establish the proton gradient that powers molecular traffic across the tonoplast thereby facilitating turgor regulation and nutrient homeostasis. However, how proton pumps regulate development remains unclear. In this study, we investigated the function of two types of proton pumps in Arabidopsis embryo development and pattern formation. While disruption of either V-PPase or V-ATPase had no obvious effect on plant embryo development, knocking out both resulted in severe defects in embryo pattern formation from the early stage. While the first division in wild-type zygote was asymmetrical, a nearly symmetrical division occurred in the mutant, followed by abnormal pattern formation at all stages of embryo development. The embryonic defects were accompanied by dramatic differences in vacuole morphology and distribution, as well as disturbed localisation of PIN1. The development of mutant cotyledons and root, and the auxin response of mutant seedlings supported the hypothesis that mutants lacking tonoplast proton pumps were defective in auxin transport and distribution. Taking together, we proposed that two tonoplast proton pumps are required for vacuole morphology and PIN1 localisation, thereby controlling vacuole and auxin-related developmental processes in Arabidopsis embryos and seedlings
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a V-ATPase
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|a V-PPase
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|a auxin
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|a cotyledons
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|a vacuole
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|a Arabidopsis Proteins
|2 NLM
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|a Membrane Transport Proteins
|2 NLM
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|a Naphthols
|2 NLM
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|a PIN1 protein, Arabidopsis
|2 NLM
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|a Phthalimides
|2 NLM
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|a naphthyl acetate
|2 NLM
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|a 29692-55-5
|2 NLM
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|a alpha-naphthylphthalamic acid
|2 NLM
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|a 306R88V86P
|2 NLM
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|a Inorganic Pyrophosphatase
|2 NLM
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|a EC 3.6.1.1
|2 NLM
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|a Proton-Translocating ATPases
|2 NLM
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|a EC 3.6.3.14
|2 NLM
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| 700 |
1 |
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|a Tang, Ren-Jie
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Yan-Jie
|e verfasserin
|4 aut
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| 700 |
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|a Xue, Hong-Wei
|e verfasserin
|4 aut
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| 700 |
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|a Ferjani, Ali
|e verfasserin
|4 aut
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| 700 |
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|a Luan, Sheng
|e verfasserin
|4 aut
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| 700 |
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|a Lin, Wen-Hui
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 225(2020), 4 vom: 01. Feb., Seite 1606-1617
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:225
|g year:2020
|g number:4
|g day:01
|g month:02
|g pages:1606-1617
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|u http://dx.doi.org/10.1111/nph.16231
|3 Volltext
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|d 225
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|h 1606-1617
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