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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erz460
|2 doi
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|a pubmed24n1007.xml
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|a (DE-627)NLM302311920
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|a (NLM)31624846
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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 Wang, You
|e verfasserin
|4 aut
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|a AKINβ1, a subunit of SnRK1, regulates organic acid metabolism and acts as a global modulator of genes involved in carbon, lipid, and nitrogen metabolism
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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 06.04.2021
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|a Date Revised 06.04.2021
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|a published: Print
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|a Citation Status MEDLINE
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|a © The Author(s) 2019. Published by Oxford University Press on behalf of the Society for Experimental Biology.
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|a The sucrose non-fermenting-1-related protein kinase 1 (SnRK1) is a highly conserved heterotrimeric protein kinase in plants. It possesses a catalytic subunit (α) and two regulatory subunits (β and γ). The effects of altered expression of AKINβ1 on carbohydrate metabolism and gene expression in leaves were investigated in an Arabidopsis T-DNA insertion mutant. The contents of key intermediates in the tricarboxylic acid (TCA) cycle of the mutant leaves were markedly reduced throughout the diurnal cycle, coupled with a decrease in measurable respiration rate. Compared with the wild type, 2485 genes and 188 genes were differentially expressed in leaves of the akinβ1 mutant in response to light and darkness, respectively. Among these, several genes exhibited very substantial decreases in expression. Notably, expression of particular isoforms of multigene families involved in malate and lipid metabolism and nitrate uptake showed decreases of 40- to 240-fold during the light period, but not during darkness. The subcellular localization of AKINβ1 and the regulatory function of N-myristoylation for this localization were investigated, showing that AKINβ1 localizes to the Golgi. A model is hypothesized to explain the effects of AKINβ1 on metabolism and gene expression in Arabidopsis
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a AKINβ1
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|a SnRK1
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|a gene expression regulation
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|a metabolism
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|a protein kinase
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|a subcellular localization. β subunit
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|a AKINbeta1 protein, Arabidopsis
|2 NLM
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| 650 |
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|a Arabidopsis Proteins
|2 NLM
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| 650 |
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|a Carrier Proteins
|2 NLM
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| 700 |
1 |
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|a Wang, Liping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Micallef, Barry J
|e verfasserin
|4 aut
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| 700 |
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|a Tetlow, Ian J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mullen, Robert T
|e verfasserin
|4 aut
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| 700 |
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|a Feil, Regina
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lunn, John E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Emes, Michael J
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g 71(2020), 3 vom: 23. Jan., Seite 1010-1028
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnns
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| 773 |
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|g volume:71
|g year:2020
|g number:3
|g day:23
|g month:01
|g pages:1010-1028
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|u http://dx.doi.org/10.1093/jxb/erz460
|3 Volltext
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