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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1111/nph.17263
|2 doi
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|a pubmed24n1070.xml
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|a (DE-627)NLM321272374
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|a (NLM)33567124
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a D'Incà, Erica
|e verfasserin
|4 aut
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|a VviNAC33 promotes organ de-greening and represses vegetative growth during the vegetative-to-mature phase transition in grapevine
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|c 2021
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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 18.06.2021
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|a Date Revised 07.07.2021
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|a published: Print-Electronic
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|a CommentIn: New Phytol. 2021 Jul;231(2):505-507. - PMID 34132413
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|a Citation Status MEDLINE
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|a © 2021 The Authors New Phytologist © 2021 New Phytologist Foundation.
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|a Plants undergo several developmental transitions during their life cycle. In grapevine, a perennial woody fruit crop, the transition from vegetative/green-to-mature/woody growth involves transcriptomic reprogramming orchestrated by a small group of genes encoding regulators, but the underlying molecular mechanisms are not fully understood. We investigated the function of the transcriptional regulator VviNAC33 by generating and characterizing transgenic overexpressing grapevine lines and a chimeric repressor, and by exploring its putative targets through a DNA affinity purification sequencing (DAP-seq) approach combined with transcriptomic data. We demonstrated that VviNAC33 induces leaf de-greening, inhibits organ growth and directly activates the expression of STAY-GREEN PROTEIN 1 (SGR1), which is involved in Chl and photosystem degradation, and AUTOPHAGY 8f (ATG8f), which is involved in the maturation of autophagosomes. Furthermore, we show that VviNAC33 directly inhibits AUXIN EFFLUX FACILITATOR PIN1, RopGEF1 and ATP SYNTHASE GAMMA CHAIN 1T (ATPC1), which are involved in photosystem II integrity and activity. Our results show that VviNAC33 plays a major role in terminating photosynthetic activity and organ growth as part of a regulatory network governing the vegetative-to-mature phase transition
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Research Support, U.S. Gov't, Non-P.H.S.
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| 650 |
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|a DAP-seq
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|a NAC33
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|a de-greening
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|a grapevine
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|a phase transition
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|a transcriptomics
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| 650 |
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|a vegetative growth
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| 700 |
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|a Cazzaniga, Stefano
|e verfasserin
|4 aut
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| 700 |
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|a Foresti, Chiara
|e verfasserin
|4 aut
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| 700 |
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|a Vitulo, Nicola
|e verfasserin
|4 aut
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|a Bertini, Edoardo
|e verfasserin
|4 aut
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|a Galli, Mary
|e verfasserin
|4 aut
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|a Gallavotti, Andrea
|e verfasserin
|4 aut
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|a Pezzotti, Mario
|e verfasserin
|4 aut
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|a Battista Tornielli, Giovanni
|e verfasserin
|4 aut
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|a Zenoni, Sara
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 231(2021), 2 vom: 10. Juli, Seite 726-746
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:231
|g year:2021
|g number:2
|g day:10
|g month:07
|g pages:726-746
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|u http://dx.doi.org/10.1111/nph.17263
|3 Volltext
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|h 726-746
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