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Identification and characterization of a core set of ROS wave-associated transcripts involved in the systemic acquired acclimation response of Arabidopsis to excess light

ABSTRACT: Identification and characterization of a core set of ROS wave-associated transcripts involved in the systemic acquired acclimation response of Arabidopsis to excess light

PROVIDER: PRJNA481711 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR7535940.fastq.gz	Fastqsanger.gz
	SRR7535950.fastq.gz	Fastqsanger.gz
	SRR7535960.fastq.gz	Fastqsanger.gz
	SRR7535970.fastq.gz	Fastqsanger.gz
	SRR7535980.fastq.gz	Fastqsanger.gz

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Identification and characterization of a core set of ROS wave-associated transcripts involved in the systemic acquired acclimation response of Arabidopsis to excess light [Timecourse]

Project description:Identification and characterization of a core set of ROS wave-associated transcripts involved in the systemic acquired acclimation response of Arabidopsis to excess light [Timecourse]

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Identification and characterization of a core set of ROS wave-associated transcripts involved in the systemic acquired acclimation response of Arabidopsis to excess light [DPI]

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Identification and characterization of a core set of ROS wave-associated transcripts involved in the systemic acquired acclimation response of Arabidopsis to excess light [H2O2]

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MYB30 orchestras ROS wave-triggered systemic transcriptomic responses and plant acclimation in Arabidopsis

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Identification and characterization of a core set of ROS wave-associated transcripts involved in the systemic acquired acclimation response of Arabidopsis to excess light.

Project description:Systemic acquired acclimation (SAA) plays a key role in optimizing growth and preventing damage associated with fluctuating or abrupt changes in the plant environment. To be effective, SAA has to occur at a rapid rate and depend on rapid signaling pathways that transmit signals from affected tissues to all parts of the plant. Although recent studies have identified several different rapid systemic signaling pathways that could mediate SAA, very little information is known about the extent of their involvement in mediating transcriptomic responses. Here we reveal that the systemic transcriptomic response of plants to excess light stress is extensive in its context and involves an early (2 min) and transient stage of transcript expression that includes thousands of genes. This early response is dependent on the respiratory burst oxidase homolog D protein, and the function of the reactive oxygen species (ROS) wave. We further identify a core set of transcripts associated with the ROS wave and suggest that some of these transcripts are involved in linking ROS with calcium signaling. Priming of a systemic leaf to become acclimated to a particular stress during SAA involves thousands of transcripts that display a rapid and transient expression pattern driven by the ROS wave.

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Rapid systemic responses of Arabidopsis to waterlogging stress are mediated by the ROS wave

Project description:We show that an abrupt waterlogging treatment of Arabidopsis thaliana plants triggers a systemic ROS and calcium wave response, and that the waterlogging-triggered ROS wave response is dependent on RBOHD, calcium-permeable channels GLR3.3 and GLR3.6, and aquaporin PIP2;1 proteins. We further show that waterlogging stress is accompanied by a rapid systemic transcriptomic response that is evident as early as 10 min following waterlogging initiation and is partially dependent on RBOHD. Interestingly, the abrupt waterlogging stress resulted in the triggering of a rapid hydraulic wave response and the transient opening of stomata on leaves. Taken together, our findings reveal that the initiation of waterlogging stress in plants is accompanied by rapid systemic transcriptomic and physiological responses that involve the ROS, calcium, and hydraulic waves. These findings reveal that systemic plant responses to waterlogging stress are rapid and at least partially dependent on cell-to-cell signaling mechanisms.

2024-05-06 | GSE225407 | GEO

Identification and characterization of a core set of ROS wave-associated transcripts involved in the systemic acquired acclimation response of Arabidopsis to excess light

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

2018-12-21 | GSE117300 | GEO

ROS are evolutionary conserved cell-to-cell stress signals

Project description:Cell-to-cell communication is fundamental to multicellular organisms and unicellular organisms living in a microbiome. It is thought to have evolved as a stress- or quorum-sensing mechanism in unicellular organisms. A unique cell-to-cell communication mechanism that uses reactive oxygen species (ROS) as a signal (termed the ‘ROS wave’) was identified in flowering plants. This process is essential for systemic signaling and plant acclimation to stress and can spread from a small group of cells to the entire plant within minutes. Whether a similar signaling process is found in other organisms is however unknown. Here we report that the ROS wave can be found in unicellular algae, amoeba, ferns, mosses, mammalian cells, and isolated hearts. We further show that this process can be triggered in unicellular and multicellular organisms by a local stress or H2O2 treatment and blocked by the application of catalase or NADPH oxidase inhibitors, and that in unicellular algae it communicates important stress-response signals between cells. Taken together, our findings suggest that an active process of cell-to-cell ROS signaling, like the ROS wave, evolved before unicellular and multicellular organisms diverged. This mechanism could have communicated an environmental stress signal between cells and coordinated the acclimation response of many different cells living in a community. The finding of a signaling process, like the ROS wave, in mammalian cells further contributes to our understanding of different diseases and could impact the development of new drugs that target for example cancer or heart disease.

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Identification and characterization of a core set of ROS wave-associated transcripts involved in the systemic acquired acclimation response of Arabidopsis to excess light [DPI]

Project description:Transcriptome profiling (RNA-seq) of local and systemic leaves of Arabidopsis Col treated with 50 mM DPI and exposed to a local treatment of high light

2018-12-21 | GSE117298 | GEO

Identification and characterization of a core set of ROS wave-associated transcripts involved in the systemic acquired acclimation response of Arabidopsis to excess light [H2O2]

Project description:Transcriptome profiling (RNA-seq) of Col seedlings growing in liquid MS culture and exposed to 1 mM H2O2 treatment

2018-12-21 | GSE117297 | GEO