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ABSTRACT: Medicago ruthenica transcriptome sequencing studies

PROVIDER: PRJNA432865 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR6669473.fastq.gz	Fastqsanger.gz

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Utilization of transcriptome, small RNA, and degradome sequencing to provide insights into drought stress and re-watering treatment in Medicago ruthenica (miRNA-seq)

Project description:Drought is a major limiting factor in foraging grass yield and quality. Medicago ruthenica is a high-quality forage legume with drought resistance, cold tolerance, and strong adaptability. In this study, we integrated transcriptome, small RNA, and degradome sequencing in identifying drought response genes, miRNAs, and key miRNA-target pairs in M. ruthenica under drought and re-watering treatment conditions. A total of 3,905 genes and 50 miRNAs (45 conserved and 5 novel miRNAs) were significantly differentially expressed between the re-watering (RW) vs. drought (DS) comparison and control (CK) groups. The degradome sequencing analysis revealed that 348 miRNAs (37 novel and 311 conserved miRNAs) were identified with 6,912 target transcripts, forming 11,390 miRNA-target pairs in the three libraries. There were 38 differentially expressed targets from 16 miRNAs in DS vs. CK, 31 from 11 miRNAs in DS vs. RW, and 6 from 3 miRNAs in RW vs. CK; 21,18, and 3 miRNA-target gene pairs showed reverse expression patterns in DS vs. CK, DS vs. RW, and RW vs. CK comparison groups, respectively. These findings provide valuable information for further functional characterization of genes and miRNAs in response to abiotic stress, in general, and drought stress in M. ruthenica, and potentially contribute to drought resistance breeding of forage in the future.

2021-08-03 | GSE169022 | GEO