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240309s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2024.112059
|2 doi
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|a pubmed25n1231.xml
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|a (DE-627)NLM36948309X
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|a (NLM)38458573
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|a (PII)S0168-9452(24)00086-4
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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 Sun, Nan
|e verfasserin
|4 aut
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| 245 |
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|a Exploring the role of the LkABCG36 transporter in lignin accumulation
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|c 2024
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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
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|2 rdacarrier
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|a Date Completed 22.04.2024
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|a Date Revised 22.04.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 Elsevier B.V. All rights reserved.
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|a Lignin is a complex biopolymer formed through the condensation of three monomeric precursors known as monolignols. However, the mechanism underlying lignin precursor transport remains elusive, with uncertainty over whether it occurs through passive diffusion or an active energized process. ATP-binding cassette 36 (ABCG36) plays important roles in abiotic stress resistance. In this study, we investigated the transport functions of LkABCG36 (Larix kaempferi) for lignin precursors and the potential effects of LkABCG36 overexpression in plants. LkABCG36 enhanced the ability of tobacco (Nicotiana tabacum) bright yellow-2 (BY-2) cells to resist monolignol alcohol stress. Furthermore, LkABCG36 overexpression promoted lignin deposition in tobacco plant stem tissue. To understand the underlying mechanism, we measured the BY-2 cell ability to export lignin monomers and the uptake of monolignol precursors in inside-out (inverted) plasma membrane vesicles. We found that the transport of coniferyl and sinapyl alcohols is an ATP-dependent process. Our data suggest that LkABCG36 contributes to lignin accumulation in tobacco stem tissues through a mechanism involving the active transport of lignin precursors to the cell wall. These findings shed light on the lignin biosynthesis process, with important implications for enhancing lignin deposition in plants, potentially leading to improved stress tolerance and biomass production
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|a Journal Article
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|a ABC transporter
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|a Larix
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|a Lignification
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|a Lignin precursors
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4 |
|a LkABCG36
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| 650 |
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|a Lignin
|2 NLM
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| 650 |
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7 |
|a 9005-53-2
|2 NLM
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| 650 |
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|a Membrane Transport Proteins
|2 NLM
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| 650 |
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7 |
|a Adenosine Triphosphate
|2 NLM
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| 650 |
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7 |
|a 8L70Q75FXE
|2 NLM
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| 700 |
1 |
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|a Wang, Yuqian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kang, Jiaqi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hao, Haifei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Xiao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Yongqing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jiang, Xiangning
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gai, Ying
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 343(2024) vom: 15. Juni, Seite 112059
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnas
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| 773 |
1 |
8 |
|g volume:343
|g year:2024
|g day:15
|g month:06
|g pages:112059
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| 856 |
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|u http://dx.doi.org/10.1016/j.plantsci.2024.112059
|3 Volltext
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|a AR
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|d 343
|j 2024
|b 15
|c 06
|h 112059
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