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240614s2024 xx |||||o 00| ||eng c |
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|a 10.1111/nph.19912
|2 doi
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|a pubmed25n1244.xml
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|a (DE-627)NLM373624417
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|a (NLM)38874377
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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 Hu, Meng-Xuan
|e verfasserin
|4 aut
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| 245 |
1 |
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|a PagJAZ5 regulates cambium activity through coordinately modulating cytokinin concentration and signaling in poplar
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|c 2024
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 18.07.2024
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|a Date Revised 19.07.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2024 The Authors. New Phytologist © 2024 New Phytologist Foundation.
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|a Wood is resulted from the radial growth paced by the division and differentiation of vascular cambium cells in woody plants, and phytohormones play important roles in cambium activity. Here, we identified that PagJAZ5, a key negative regulator of jasmonate (JA) signaling, plays important roles in enhancing cambium cell division and differentiation by mediating cytokinin signaling in poplar 84K (Populus alba × Populus glandulosa). PagJAZ5 is preferentially expressed in developing phloem and cambium, weakly in developing xylem cells. Overexpression (OE) of PagJAZ5m (insensitive to JA) increased cambium activity and xylem differentiation, while jaz mutants showed opposite results. Transcriptome analyses revealed that cytokinin oxidase/dehydrogenase (CKXs) and type-A response regulators (RRs) were downregulated in PagJAZ5m OE plants. The bioactive cytokinins were significantly increased in PagJAZ5m overexpressing plants and decreased in jaz5 mutants, compared with that in 84K plants. The PagJAZ5 directly interact with PagMYC2a/b and PagWOX4b. Further, we found that the PagRR5 is regulated by PagMYC2a and PagWOX4b and involved in the regulation of xylem development. Our results showed that PagJAZ5 can increase cambium activity and promote xylem differentiation through modulating cytokinin level and type-A RR during wood formation in poplar
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|a Journal Article
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|a JAZ
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|a MYC2
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4 |
|a WOX4
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|a cytokinin
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| 650 |
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4 |
|a poplar
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| 650 |
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4 |
|a type‐A RR
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4 |
|a wood formation
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| 650 |
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|a Cytokinins
|2 NLM
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| 650 |
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|a Plant Proteins
|2 NLM
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| 650 |
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|a Cyclopentanes
|2 NLM
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| 650 |
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|a Oxylipins
|2 NLM
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| 650 |
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|a jasmonic acid
|2 NLM
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| 650 |
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7 |
|a 6RI5N05OWW
|2 NLM
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| 700 |
1 |
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|a Guo, Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Song, Xue-Qin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Ying-Li
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xue, Yuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cao, Yuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hu, Jian-Jun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lu, Meng-Zhu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Shu-Tang
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t The New phytologist
|d 1979
|g 243(2024), 4 vom: 14. Aug., Seite 1455-1471
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnas
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| 773 |
1 |
8 |
|g volume:243
|g year:2024
|g number:4
|g day:14
|g month:08
|g pages:1455-1471
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| 856 |
4 |
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|u http://dx.doi.org/10.1111/nph.19912
|3 Volltext
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|a GBV_ILN_350
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|a AR
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|d 243
|j 2024
|e 4
|b 14
|c 08
|h 1455-1471
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