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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2023.154003
|2 doi
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|a pubmed24n1193.xml
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|a (NLM)37301035
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|a (PII)S0176-1617(23)00097-4
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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 |
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|a Gao, Jie
|e verfasserin
|4 aut
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|a Comparison of two contrasting Leymus chinensis accessions reveals the roles of the cell wall and auxin in rhizome development
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|c 2023
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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 14.08.2023
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|a Date Revised 14.08.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2023 Elsevier GmbH. All rights reserved.
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|a Leymus chinensis, a perennial native forage grass, is widely distributed in the steppes of Inner Mongolia as the dominant species. The main reproductive strategy of this grass is clonal propagation, which occurs via the proliferation of subterranean horizontal stems known as rhizomes. To elucidate the mechanism underlying rhizome development in this grass, we collected 60 accessions of L. chinensis and evaluated their rhizome development. One accession, which we named SR-74 (Strong Rhizomes), had significantly better rhizome development capacity than the accession WR-16 (Weak Rhizomes) in terms of rhizome number, total and primary rhizome length, and number of rhizome seedlings. Rhizome elongation was positively correlated with the number of internodes in the rhizome, which affected plant biomass. Compared to WR-16, SR-74 had higher rhizome tip hardness, higher abundance of transcripts participating in the biosynthesis of cell wall components, and higher levels of the metabolites L-phenylalanine, trans-cinnamic acid, 3-coumaric acid, ferulic acid, and coniferin. These metabolites in the phenylpropanoid biosynthesis pathway are precursors of lignin. In addition, SR-74 rhizomes contained higher amounts of auxin and auxin metabolites, including L-Trp, IPA, IBA, IAA and IAA-Asp, as well as upregulated expression of the auxin biosynthesis and signaling genes YUCCA6, YUCCA8, YUCCA10, YUCCA11, PIN1, PIN2, UGT1, UGT2, UGT4, UGT10, GH3, IAA7, IAA23, and IAA30. We propose a network between auxin signaling and the cell wall underlying rhizome development in L. chinensis
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|a Journal Article
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|a Cell wall
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|a Leymus chinensis
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|a Phytohormone
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| 650 |
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|a Rhizome
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| 700 |
1 |
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|a Duan, Menglu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hasi, Gaowa
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Jia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yan, Chunxia
|e verfasserin
|4 aut
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| 700 |
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|a Kang, Yan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qi, Zhi
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 287(2023) vom: 15. Aug., Seite 154003
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
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|g volume:287
|g year:2023
|g day:15
|g month:08
|g pages:154003
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|u http://dx.doi.org/10.1016/j.jplph.2023.154003
|3 Volltext
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