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240229s2024 xx |||||o 00| ||eng c |
| 024 |
7 |
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|a 10.1111/nph.19623
|2 doi
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5 |
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|a pubmed25n1228.xml
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|a (DE-627)NLM368862143
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|a (NLM)38396236
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Velandia, Karen
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Cell-layer specific roles for gibberellins in nodulation and root development
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| 264 |
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1 |
|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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| 500 |
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|a Date Completed 22.03.2024
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| 500 |
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|a Date Revised 22.03.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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| 520 |
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|a © 2024 The Authors New Phytologist © 2024 New Phytologist Foundation.
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|a Gibberellins (GA) have a profound influence on the formation of lateral root organs. However, the precise role this hormone plays in the cell-specific events during lateral root formation, rhizobial infection and nodule organogenesis, including interactions with auxin and cytokinin (CK), is not clear. We performed epidermal- and endodermal-specific complementation of the severely GA-deficient na pea (Pisum sativum) mutant with Agrobacterium rhizogenes. Gibberellin mutants were used to examine the spatial expression pattern of CK (TCSn)- and auxin (DR5)-responsive promoters and hormone levels. We found that GA produced in the endodermis promote lateral root and nodule organogenesis and can induce a mobile signal(s) that suppresses rhizobial infection. By contrast, epidermal-derived GA suppress infection but have little influence on root or nodule development. GA suppress the CK-responsive TCSn promoter in the cortex and are required for normal auxin activation during nodule primordia formation. Our findings indicate that GA regulate the checkpoints between infection thread (IT) penetration of the cortex and invasion of nodule primordial cells and promote the subsequent progression of nodule development. It appears that GA limit the progression and branching of IT in the cortex by restricting CK response and activate auxin response to promote nodule primordia development
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| 650 |
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4 |
|a Journal Article
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| 650 |
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4 |
|a auxin
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| 650 |
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4 |
|a cytokinin
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| 650 |
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4 |
|a gibberellin
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| 650 |
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4 |
|a nodulation
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| 650 |
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4 |
|a rhizobial infection
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| 650 |
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4 |
|a root development
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| 650 |
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7 |
|a Gibberellins
|2 NLM
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| 650 |
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7 |
|a Cytokinins
|2 NLM
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| 650 |
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7 |
|a Indoleacetic Acids
|2 NLM
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| 650 |
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7 |
|a Hormones
|2 NLM
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| 650 |
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7 |
|a Plant Proteins
|2 NLM
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| 700 |
1 |
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|a Correa-Lozano, Alejandro
|e verfasserin
|4 aut
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| 700 |
1 |
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|a McGuiness, Peter M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Reid, James B
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Foo, Eloise
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t The New phytologist
|d 1979
|g 242(2024), 2 vom: 30. Apr., Seite 626-640
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnas
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| 773 |
1 |
8 |
|g volume:242
|g year:2024
|g number:2
|g day:30
|g month:04
|g pages:626-640
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| 856 |
4 |
0 |
|u http://dx.doi.org/10.1111/nph.19623
|3 Volltext
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| 951 |
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|a AR
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| 952 |
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|d 242
|j 2024
|e 2
|b 30
|c 04
|h 626-640
|