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ABSTRACT: Drought transcriptome data of soybean seedling

PROVIDER: PRJNA813355 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR18251437_1.fastq.gz	Fastqsanger.gz
	SRR18251437_2.fastq.gz	Fastqsanger.gz
	SRR18251438_1.fastq.gz	Fastqsanger.gz
	SRR18251438_2.fastq.gz	Fastqsanger.gz
	SRR18251439_1.fastq.gz	Fastqsanger.gz

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Title（Project name）Proteomic Investigation of the Molecular Mechanisms in Response to the PEG-Induced Drought Stress in Soybean Roots

Project description:Roots are generally the critical drought sensors, but little is known about their molecular response to drought stress. We used the drought-tolerant soybean variety ‘Jiyu 47’ to investigate the differentially expressed proteins (DEPs) in soybean roots during the seedling stage based on the TMT proteomics analysis. Results of enrichment analyses based on a total of 468 DEPs revealed a coordinated expression pattern of proteins involved in various cellular metabolisms responding to drought stress in soybean roots. Our results showed that drought stress caused significant alterations in the expression of proteins involved in several metabolic pathways in soybean roots, including the carbohydrate metabolism, the metabolism of the osmotic regulation substances, and the antioxidant defense system (i.e., the glutathione metabolism). Increased production of reduced glutathione (GSH) enhanced the prevention of the damage caused by reactive oxygen species and the tolerance of the abiotic stress. The glutathione metabolism played a key role in modifying the antioxidant defense system in response to drought stress in soybean roots. Our proteomic study demonstrated that the soybean plants responded to drought stress by coordinating their protein expression during the vegetative stage, providing novel insights into the molecular mechanisms regulating the response to abiotic stress in plants.

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Project description:Drought-responsive genes in soybean leaves were successfully identified using Affymetrix Soybean Gene 1.0 ST arrays on leaves samples of reproductive-stage soybean plants. R1 soybean plants planted in pots were imposed drought by withholding water for 5 days until the soil moisture content dropped to 5%, and 3rd trifoliates (now at the R2 stage) were collected for expression profiling.

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Expression profiling of soybean genes in response to drought (vegetative stage)

Project description:Drought-responsive genes in soybean leaves were successfully obtained using soybean gene 1.0 ST array. Leaf samples from the vegetative stage of soybean plants were used.

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Project description:Drought is considered as a threat to the sustainability of Mediterranean forests and, of the agro-silvo-pastoral “dehesa” system. Holm oak (Quercus ilex L.) is one of the most representative species of these ecosystems and this abiotic stress causes a high tree mortality rate, being more accused at the seedling stage. In this study, an integrative analysis of transcriptome and proteome in leaves of Q. ilex seedlings under drought conditions was carried out to identify gene products involved in the metabolic pathways related to drought tolerant mechanisms.

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Project description:GmZF351 has previously been characterized as a seed preferred gene participating mainly in oil accumulation. Here we report that over-expression of GmZF351 confers drought and salt tolerance in transgenic soybean seedlings. When soybean seedlings grew to V1 stage, leaves and roots were cut for RNA sequencing. Transcriptome analysis shows that GmZF351 regulates expression of downstream genes related to abiotic stress process.

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