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Petals in ranunculaceae - Characterization of the petal gene network in Nigella damascena (Ranunculaceae)

ABSTRACT: Petals in ranunculaceae - Characterization of the petal gene network in Nigella damascena (Ranunculaceae)

PROVIDER: PRJNA668918 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12817065_1.fastq.gz	Fastqsanger.gz
	SRR12817065_2.fastq.gz	Fastqsanger.gz
	SRR12817066_1.fastq.gz	Fastqsanger.gz
	SRR12817066_2.fastq.gz	Fastqsanger.gz
	SRR12817067_1.fastq.gz	Fastqsanger.gz

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Petals in ranunculaceae - Characterization of the petal gene network in Nigella damascena (Ranunculaceae)

Project description:Petals in ranunculaceae - Characterization of the petal gene network in Nigella damascena (Ranunculaceae)

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Petals in ranunculaceae - Characterization of the petal gene network in Nigella damascena (Ranunculaceae)

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Project description:Petal senescence involves numerous programmed changes in biological and biochemical processes. Ubiquitination plays a critical role in protein degradation, a hallmark of organ senescence. Therefore, we investigated changes in the proteome and ubiquitome of senescing rose (Rosa hybrida) petals to better understand their involvement in petal senescence. Of 3859 proteins quantified in senescing petals, 1198 were up-regulated and 726 were down-regulated during senescence. We identified 2208 ubiquitinated sites including 384 with increased ubiquitination in 298 proteins and 1035 with decreased ubiquitination in 674 proteins. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses revealed that proteins related to peptidases in proteolysis and autophagy pathways were enriched in the proteome, suggesting that protein degradation and autophagy play important roles in petal senescence. In addition, many transporter proteins accumulated in senescing petals, and several transport processes were enriched in the ubiquitome, indicating that transport of substances is associated with petal senescence and regulated by ubiquitination. Moreover, several components of the brassinosteroid (BR) biosynthesis and signaling pathways were significantly altered at the protein and ubiquitination levels, implying that BR plays important roles in petal senescence. Our data provide a comprehensive view of rose petal senescence at the posttranslational level.

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Project description:RNA-sequencing performed on petals and inflorescence of Arabidopsis plants. The study provides insight into the role of the TCP5 transcription factor and its molecular mechanism underlying petal growth, using knock-out, overexpression and induction lines on which RNA-sequencing was performed.

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