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ABSTRACT: Transcriptome sequences of Spirodela polyrhiza under sulfur deficiency

PROVIDER: PRJNA841748 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR19369677_1.fastq.gz	Fastqsanger.gz
	SRR19369677_2.fastq.gz	Fastqsanger.gz
	SRR19369678_1.fastq.gz	Fastqsanger.gz
	SRR19369678_2.fastq.gz	Fastqsanger.gz
	SRR19369679_1.fastq.gz	Fastqsanger.gz

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Project description:Transcriptome sequences of Spirodela polyrhiza under nutrient deficiency

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Project description:Aerenchyma is crucial for plant adaptation to stresses like hypoxia, drought, and nutritional deficiency. Although ethylene-mediated signaling cascades are known to regulate aerenchyma formation under hypoxic conditions, the precise mechanisms are still unclear. Moreover, cellular dynamics underlying the process of aerenchyma formation are still not well understood. We investigated the stage-dependent structural dynamics of aerenchyma in Spirodela polyrhiza (S. polyrhiza), a fast-growing aquatic herb with well-developed aerenchyma in its floating fronds. Using X-ray micro-computed tomography and histological analysis, we found that the spatial framework of aerenchyma was established before frond volume increased, driven by cell division and expansion. Additionally, the substomatal cavity connecting aerenchyma to stomata is formed via programmed cell death (PCD) closely associated with guard cell development. Transcriptome analysis and pharmacological studies further revealed that the organization of aerenchyma in S. polyrhiza is determined by the interplay between PCD and proliferation. This balance was governed by the spatiotemporal regulation of phytohormone signaling, including ethylene, abscisic acid, and salicylic acid. Our study sheds light on the structural dynamics and hormonal regulation of aerenchyma development in duckweeds, improving understanding of plant responses to environmental stresses and providing potential avenues for enhancing crop resilience under climate change.

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Project description:transcriptome changes in pea leaves with sulfur deficency/sufficiency during reproductive phase.-Characterization of transcriptome changes in leaves of wild-type and PsSultr4 mutant lines (for a sulfur transporter) subjected or not to sulfur deficiency during the reproductive phase 4plex_pea_2014_01 - transcriptome changes in pea leaves with sulfur deficency/sufficiency during reproductive phase. - Role of sulfur and of the sulfate store in leaf metabolism. - Comparison of: 1- The leaf transcriptome of pea subjected or not to sulfur deficiency during the reproductive phase (S+ versus S –) 2- The leaf transcriptome of wild-type and mutant lines for a sulfur transporter (two TILLING alleles) grown under sulfur sufficient conditions : WT1/Mut1 S+ et WT2/Mut2 S+ 3- The leaf transcriptome of wild-type and mutant lines for a sulfur transporter (two TILLING alleles) grown under sulfur deficient conditions : WT1/Mut1 S+ et WT2/Mut2 S+

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