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The VviNAC33 acts a molecular switch by activating leaf degreening and repressing vegetative growth during the immature-to-mature phase transition in grapevine

ABSTRACT: The VviNAC33 acts a molecular switch by activating leaf degreening and repressing vegetative growth during the immature-to-mature phase transition in grapevine

PROVIDER: PRJNA649771 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12354631.fastq.gz	Fastqsanger.gz
	SRR12354632.fastq.gz	Fastqsanger.gz

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The VviNAC33 acts a molecular switch by activating leaf degreening and repressing vegetative growth during the immature-to-mature phase transition in grapevine

Project description:The VviNAC33 acts a molecular switch by activating leaf degreening and repressing vegetative growth during the immature-to-mature phase transition in grapevine

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The VviNAC33 acts as a molecular switch by activating leaf degreening and repressing vegetative growth during the immature-to-mature phase transition in grapevine

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The VviNAC33 acts a molecular switch by activating leaf degreening and repressing vegetative growth during the immature-to-mature phase transition in grapevine

Project description:In this study we demonstrated that the grapevine NAC transcription factor VviNAC33 is directly involved in leaf degreening and organ growth. Through the application of DAP-seq approach we identified several putative targets of VviNAC33, among which the SGR1 involved in the breakdown of chlorophyll. Stable VviNAC33 overexpressing transgenic plants displayed an obvious degreening effect on leaves and an inhibition of leaf growth. Consistently, transgenic plant expressing a chimeric repressor of the VviNAC33 showed the opposite phenotypic alterations. Our results evidenced that VviNAC33 is a direct player of leaf senescence program and propose a blueprint of the complex transcriptional regulatory network that govern organ phase transition in grapevine.

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The VviNAC33 acts a molecular switch by activating leaf degreening and repressing vegetative growth during the immature-to-mature phase transition in grapevine

Project description:In this study we functionally characterized the grapevine VviNAC33 by its transient and stable overexpression in grapevine homologous system and the creation of its chimeric repressor. Through the application of DAP-seq approach we identified putative direct targets of VviNAC33, among which the SGR1 involved in the breakdown of chlorophyll. Stable VviNAC33 overexpressing transgenic plants displayed an obvious degreening effect on leaves and an inhibition of leaf growth. Consistently, transgenic plant expressing a chimeric repressor of the VviNAC33 showed the opposite phenotypic alterations. Our results evidenced that VviNAC33 is a direct player of leaf senescence program and propose a blueprint of the complex transcriptional regulatory network that govern organ phase transition in grapevine. transcription factor VviNAC33 is directly involved in leaf degreening and organ growth.

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The VviNAC33 acts as a molecular switch by activating leaf degreening and repressing vegetative growth during the immature-to-mature phase transition in grapevine

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