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Initiation of organ maturation and fruit ripening in grapevine is controlled by the CARPO-NAC transcription factor

ABSTRACT: Initiation of organ maturation and fruit ripening in grapevine is controlled by the CARPO-NAC transcription factor

PROVIDER: PRJNA774973 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR16596388.fastq.gz	Fastqsanger.gz
	SRR16596389.fastq.gz	Fastqsanger.gz
	SRR16596390.fastq.gz	Fastqsanger.gz
	SRR16596391.fastq.gz	Fastqsanger.gz
	SRR16596392.fastq.gz	Fastqsanger.gz

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Similar Datasets

Initiation of organ maturation and fruit ripening in grapevine is controlled by the CARPO-NAC transcription factor [Syrah]

Project description:In this study we identified the NAC family member VviCARPO (Controlled Adjustment of Ripening and maturation of Plant Organs) as a key regulator of grapevine maturation. We explored CARPO binding landscapes through DAP-seq and overlapped its bound genes with transcriptomics datasets from stable and transient CARPO overexpressing grapevine plants to narrow a set of high-confidence targets. Among these, we identified key molecular ripening markers. Physiological, metabolic and promoter activation analyses showed that CARPO induces chlorophyll degradation and anthocyanin accumulation through the up regulation of VviSGR1 and VviMYBA1, respectively, with the latter being up-regulated by a VviCARPO-VviNAC03 regulatory complex. CARPO complemented the nor mutant phenotype in tomato, suggesting it may have acquired a dual role as an orchestrator of both ripening- and senescence-related processes. Our results evidenced that CARPO is a master regulator of the grapevine vegetative-to-mature phase organ transition and therefore an essential target for insuring fruit quality and environmental resilience.

2021-10-07 | GSE185448 | GEO

Initiation of organ maturation and fruit ripening in grapevine is controlled by the CARPO-NAC transcription factor [Sultana]

2021-10-07 | GSE185447 | GEO

Initiation of organ maturation and fruit ripening in grapevine is controlled by the CARPO-NAC transcription factor

Project description:Grapevine is a woody temperate perennial plant and one of the most important fruit crops with global relevance in both the fresh fruit and winemaking industries. Unfortunately, global warming is affecting viticulture by altering developmental transitions and fruit maturation processes. In this context, uncovering the molecular mechanisms controlling the onset and progression of ripening could prove essential to maintain high-quality grapes and wines. Through a deep inspection of previously published transcriptomic data we identified the NAC family member VviCARPO (Controlled Adjustment of Ripening and maturation of Plant Organs) as a key regulator of grapevine maturation whose induction precedes the expression of well-known ripening associated genes. We explored VviCARPO binding landscapes through DAP-seq and overlapped its bound genes with transcriptomics datasets from stable and transient VviCARPO overexpressing grapevine plants to define a set of high-confidence targets. Among these, we identified key molecular ripening markers. Physiological, metabolic and promoter activation analyses showed that VviCARPO induces chlorophyll degradation and anthocyanin accumulation through the up-regulation of VviSGR1 and VviMYBA1, respectively, with the latter being up-regulated through a VviCARPO-VviNAC03 regulatory complex. Despite showing a closer phylogenetic relationship to senescent-related AtNAP homologues, VviCARPO complemented the nor mutant phenotype in tomato, suggesting it may have acquired a dual role as an orchestrator of both ripening- and senescence-related processes. Our data supports CARPO as a master regulator of the grapevine vegetative-to-mature phase organ transition and therefore an essential target for insuring fruit quality and environmental resilience.

2021-10-30 | GSE186656 | GEO

Initiation of organ maturation and fruit ripening in grapevine is controlled by the CARPO-NAC transcription factor

Project description:Initiation of organ maturation and fruit ripening in grapevine is controlled by the CARPO-NAC transcription factor

| PRJNA769108 | ENA

Initiation of organ maturation and fruit ripening in grapevine is controlled by the CARPO-NAC transcription factor [Sultana]

Project description:Initiation of organ maturation and fruit ripening in grapevine is controlled by the CARPO-NAC transcription factor [Sultana]

| PRJNA769122 | ENA

Initiation of organ maturation and fruit ripening in grapevine is controlled by the CARPO-NAC transcription factor [Syrah]

Project description:Initiation of organ maturation and fruit ripening in grapevine is controlled by the CARPO-NAC transcription factor [Syrah]

| PRJNA769209 | ENA

The NAC transcription factor FaRIF controls fruit ripening in strawberry

Project description:In contrast to climacteric fruits such as tomato, the knowledge on key regulatory genes controlling the ripening of strawberry, a non-climacteric fruit, is still limited. NAC transcription factors mediate different developmental processes in plants. Here, we identified and characterized FaRIF (Ripening Inducing Factor), a NAC transcription factor that is highly expressed and induced in strawberry receptacles during ripening. Functional analyses based on stable transgenic lines aimed at silencing FaRIF by RNA interference, either from a constitutive promoter or the ripe receptacle-specific EXP2 promoter, as well as overexpression lines showed that FaRIF controls critical ripening-related processes such as fruit softening and pigment and sugar accumulation. Physiological, metabolome and transcriptome analyses of receptacles of FaRIF-silenced and overexpression lines point to FaRIF as a key regulator of strawberry fruit ripening from early developmental stages, controlling abscisic acid (ABA) biosynthesis and signaling, cell wall degradation and modification, the phenylpropanoid pathway, volatiles production, and the balance of the aerobic/anaerobic metabolism. FaRIF is therefore a target to be modified/edited to control the quality of strawberry fruits.

2021-02-20 | GSE167107 | GEO

Initiation of organ maturation and fruit ripening in grapevine is controlled by the CARPO-NAC transcription factor

Project description:This SuperSeries is composed of the SubSeries listed below.

2021-10-07 | GSE185449 | GEO

Reducing sampling bias in molecular studies of grapevine fruit ripening: transcriptomic assessment of the density sorting method

Project description:This SuperSeries is composed of the SubSeries listed below. The interplay between environmental and genetic factors conditions the fruit ripening program in plants. Transcriptome analysis of grapevine fruits can help understanding these interactions to consciously cope with conditions leading to detrimental effects for viticultural purposes. However, considering the grapevine characteristic ripening asynchrony, which can be intensified by contrasting conditions, accurate grape sampling may be essential for molecular comparisons. In this study, berry density sorting according to floatability in NaCl solutions was assessed as a grape ripening staging strategy. Total sugar content was more correlated with berry density than with other non-invasive ripening parameters. The transcriptome was compared between three density classes collected near commercial maturity using grapevine whole-genome NimbleGen microarrays. Expression profiles clearly related with ripening progression were detected in a density series simultaneously collected from a vineyard of Albariño. By contrast, considerable differences were detected when the same density series was sampled on two different dates from the same vineyard of Tempranillo. Functional analysis indicated that environmental differences between both sampling moments determined most of these expression differences. Ripening degree-dependent responses to the environment were also detected. Finally, the effect of the sorting procedures on the grape transcriptome showed negligible when it was directly tested. Altogether, these findings evidence the convenience of homogenizing the developmental stage and the sampling time conditions for transcriptome comparisons. Berry density sorting proved useful to this end, although this method could be limited when the berry sugar concentration is not determined by the ripening developmental program.

2016-05-22 | GSE76000 | GEO

NAC61 regulates late- and post-ripening osmotic, oxidative, and biotic stress responses in grapevine

Project description:During late- and post-ripening stages, grape berry undergoes profound biochemical and physiological changes whose molecular control is poorly understood. Here, we report the role of NAC61, a grapevine NAC transcription factor, in regulating different processes featuring the berry ripening progression. NAC61 is highly expressed during post-harvest berry dehydration and its expression pattern is closely related to sugar concentration. The ectopic expression of NAC61 in Nicotiana benthamiana leaves determines low stomatal conductance, high leaf temperature, tissue collapse and a higher relative water content. Transcriptome analysis of grapevine leaves transiently overexpressing NAC61, and DNA affinity purification and sequencing analyses allowed us to narrow down a list of NAC61-regulated genes. Direct regulation of the stilbene synthase regulator MYB14, the osmotic stress-related gene DHN1b, the Botrytis cinerea susceptibility gene WRKY52 and the NAC61 itself, is validated. We also demonstrate that NAC61 interacts with NAC60, a proposed master regulator of grapevine organ maturation, in the activation of MYB14 and NAC61 expression. Overall, our findings establish NAC61 as a key player in a regulative network that governs stilbenoid metabolism and osmotic, oxidative and biotic stress responses that hallmark late- and post-ripening grape stages.

2024-01-25 | GSE232165 | GEO

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