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Medicago truncatula cultivar:R108

ABSTRACT: Expression Analysis of plant responses to chitin-based signalling molecules using Medicago truncatula

PROVIDER: PRJNA363004 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR5198240.fastq.gz	Fastqsanger.gz
	SRR5198250.fastq.gz	Fastqsanger.gz
	SRR5198260.fastq.gz	Fastqsanger.gz
	SRR5198231.fastq.gz	Fastqsanger.gz
	SRR5198241.fastq.gz	Fastqsanger.gz

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Medicago truncatula R108: permissive medium versus non permissive medium. Comparison of the transcriptomic response of medicago truncatula plants.

Project description:12plex_medicago_2013-08 - r108 permissive medium versus non permissive medium. - Two experiments to compare the transcriptomic response of medicago plants: Agar medium versus Phytagel medium (exp1) and rhizobium WT versus BacA (exp2). - Medicago truncatula R108 seedlings were inoculated with S. medicae WSM419 and were cultivated during three days on buffered nidulation medium solidified with Phytagel or Agar.

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Project description:12plex_medicago_2013-08 - r108 in symbiosis with rhizobia wt or rhizobia mutant for baca. - Two experiments to compare the transcriptomic response of medicago plants: Agar medium versus Phytagel medium (exp1) and rhizobium WT versus BacA (exp2). - Medicago truncatula ecotype R108 was inoculated with the symbiotic rhizobium Sinorhizobium meliloti strain Sm1021 and with its derivative mutant delta bacA. Nodules were collected 13 days after inoculation, and RNA were prepared for transcriptome analysis, there were three biological independant experiements.

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Global differential gene expression between Medicago truncatula wild type R108 and Mting2-1 mutant.

Project description:Medicago truncatula (Medicago) flowering is promoted by winter cold (vernalization) followed by long day photoperiods (VLD). By analysing a Tnt1 insertion mutant and 17 CRISPR-Cas9 gene-edited lines with delayed flowering, we identified INHIBITOR OF GROWTH (ING) 2 (MtING2) encoding a plant homeodomain (PHD) zinc finger and predicted H3K4me2/3 epigenome reader in Medicago. There are two ING genes in most plants, but their physiological role has not been described. Mting2 mutants had many developmental abnormalities including delayed flowering particularly in VLD, compact architecture, abnormal leaves with extra leaflets but no trichomes and smaller seeds and seed barrels. RNA-Seq experiments indicated that >7000 genes are mis-expressed in the Mting2 mutant consistent with its strong mutant phenotypes. Mting2 did not show reduced accumulation of the strong floral promoter FLOWERING LOCUS T-LIKE gene, MtFTa1, but did have increased expression of MtTFL1c, consistent with the delayed flowering of the mutant. ChIP-Seq analysis identified >5000 novel H3K4me3 locations in the genome of Mting2-1 mutant compared to wild type, which overlapped with some differentially expressed genes. Overall, our study has uncovered an important physiological role of a plant ING gene in development, flowering and gene expression, which likely involves an epigenetic mechanism.

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