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240928s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2024.154361
|2 doi
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|a pubmed25n1259.xml
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|a (DE-627)NLM378190229
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|a (NLM)39332321
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|a (PII)S0176-1617(24)00192-5
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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 Chi, Yao
|e verfasserin
|4 aut
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|a Identification of BpEXP family genes and functional characterization of the BpEXPA1 gene in the stems development of Betula platyphylla
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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
|b cr
|2 rdacarrier
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|a Date Completed 02.12.2024
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|a Date Revised 02.12.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 Elsevier GmbH. All rights reserved.
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|a Expansins (EXPs) are unique plant cell wall proteins with the ability to induce cell wall expansion and play potential roles in xylem development. In the present study, a total of 25 BpEXP genes were identified in Betula platyphylla. Results of bioinformatics analysis described that BpEXP gene family was highly conserved in the process of evolution. All these genes were clustered into four groups, EXPA (Expansin A), EXPB (Expansin B), EXLA (Expansin-like A) and EXLB (Expansin-like B), according to phylogenetic analysis and BpEXPA1 was highly homologous to PttEXP1 and PttEXP2. The results of RT-qPCR showed that BpEXPA1 was expressed higher in stems and preferentially expressed in the first internodes, followed by apical buds and the third internodes, promoter expression analysis with GUS assay demonstrated that it was expressed in developing xylem, suggesting that BpEXPA1 might be involved in the development of the primary stems of birch. Overexpression of BpEXPA1 can promote cortex cell expansion and then enlarge the cortex cell area and layer, however inhibit the secondary cell wall deposition and result in the thinner cell wall and larger lumens of xylem fiber in transgenic plants. This study will provide information for investigating the regulation mechanism of BpEXP family genes and gene resources for birch genetics improvement
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|a Journal Article
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|a Birch
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|a Cortex
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|a Expansin
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|a Gene transgenic
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|a Xylem
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| 650 |
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|a Plant Proteins
|2 NLM
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| 650 |
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|a expansin protein, plant
|2 NLM
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| 700 |
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|a Wang, Zihan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Shizhong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Feng, Lin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Meiqi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Yang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yu, Ying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gao, Caiqiu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Chao
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 303(2024) vom: 15. Dez., Seite 154361
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnas
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| 773 |
1 |
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|g volume:303
|g year:2024
|g day:15
|g month:12
|g pages:154361
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|u http://dx.doi.org/10.1016/j.jplph.2024.154361
|3 Volltext
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