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ABSTRACT: Alfalfa flowering time

PROVIDER: PRJNA817856 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR18750867_1.fastq.gz	Fastqsanger.gz
	SRR18750867_2.fastq.gz	Fastqsanger.gz
	SRR18750868_1.fastq.gz	Fastqsanger.gz
	SRR18750868_2.fastq.gz	Fastqsanger.gz
	SRR18750869_1.fastq.gz	Fastqsanger.gz

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Project description:Abstract: In order to understand the expression patterns of miRNAs in alfalfa under alkali stress, small RNA sequencing was performed on alfalfa roots at different time points under alkali stress, and miRNAs were identified and analyzed.

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Project description:Gobal studies of shoot apex on alfalfa flowering

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Project description:Alfalfa (Medicago sativa L.) is a forage legume with significant agricultural value worldwide. MicroRNAs (miRNAs) are key components of post-transcriptional gene regulation and essentially control almost all aspect of plant growth and development. Although miRNAs have been reported from alfalfa but their expression profiles in different tissues and novel miRNAs as well as their targets have not been confirmed in this plant species. Therefore, we sequenced small RNAs in whole plantlets, shoots and roots of three different alfalfa genotypes (Altet-4, NECS-141 and NF08ALF06) to identify tissue-specific profiles. After comprehensive analysis using bioinformatics methods, we have identified 100 miRNA families, of which 21 belongs to the highly conserved families whereas the remaining 79 families are conserved between M. truncatula and M. sativa. The profiles of the six highly expressed conserved miRNA families (miR156, 159, 166, 319, 396, 398,) were relatively similar between the plantlets, roots and shoots of three genotypes. Contrastingly, the differenecs were robust between shoots and roots for miR160 and miR408 levels, which were low in roots compared to shoots. The study also has identified 17 novel miRNAs that also differed in their abundanecs between tissues of the alfalfa genotypes. Additionally, we have generated and analyzed the degradome libraries from three alfalfa genotypes that has confirmed 69 genes as targets for 31 miRNA families in alfalfa. The identification of conserved and novel miRNAs as well as their targets in different tissues of three genotypes not only enhanced our understanding of miRNA-mediated gene regulation in alfalfa but could also be useful for practical applications in alfalfa as well as related legume species.

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Regulation of flowering time by autophagy in rice

Project description:This study investigated the effect of autophagy on flowering time in rice. Results provide important information of the response of flowering time to autophagy, such as specific flowerig time genes, up- or down-regulated specific flowering time functions.

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Project description:Abstract: In order to clarify the response mechanism of alfalfa under alkali stress, the transcriptome of roots was sequenced at different time points after stress and the expression patterns of all genes were analyzed.

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Project description:We studied the application of transcriptome technology in alfalfa selenium (Se) treatment. Alfalfa had different states after different concentrations of Se treatment. It shows that lower concentration promoted growth and higher concentration produced toxicity. The positive regulatory effects of moderate Se (100 mg / kg) on alfalfa was determined through preliminary experiments, and the gene expression of Alfalfa under this treatment was further analyzed by transcriptome.

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2024-10-27 | GSE186868 | GEO

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