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Populus tremula x Populus alba strain:clone 717-1B4

ABSTRACT: RNAseq analysis of SUT4-RNAi plants in Populus

PROVIDER: PRJNA247387 | ENA |

REPOSITORIES: ENA

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Dataset's files

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			Action	DRS
	SRR1293430.fastq.gz	Fastqsanger.gz
	SRR1293430_1.fastq.gz	Fastqsanger.gz
	SRR1293430_2.fastq.gz	Fastqsanger.gz
	SRR1293440.fastq.gz	Fastqsanger.gz
	SRR1293440_1.fastq.gz	Fastqsanger.gz

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Project description:Illumina technology was used to generate mRNA profiles of a time course of Laccaria bicolor S238N and Populus tremula x alba 717-1B4 in vitro ectomycorrhizal development. Total RNA was extracted, TruSeq mRNA Stranded libraries were constructed and and sequenced in triplicates (2 x 150 bp Illumina HiSeq3000) at the Genotoul sequencing facilities (Toulouse, France). Raw reads were trimmed for low quality (quality score 0.05), Illumina adapters and sequences shorter than 15 nucleotides and aligned to the L. bicolor v2 reference transcripts available at the JGI database https://mycocosm.jgi.doe.gov/Lacbi2/Lacbi2.home.html using CLC Genomics Workbench v8.

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Project description:Poplar 84K (Populus alba x P. tremula var. glandulosa) is a fast-growing poplar hybrid. Originated in South Korea, this hybrid has been extensively cultivated in northern China. Due to the economic and ecological importance of this hybrid and high transformability, we now report the de novo sequencing and assembly of a male individual of poplar 84K using PacBio and Hi-C technologies. The final reference nuclear genome (747.5?Mb) has a contig N50 size of 1.99?Mb and a scaffold N50 size of 19.6?Mb. Complete chloroplast and mitochondrial genomes were also assembled from the sequencing data. Based on similarities to the genomes of P. alba var. pyramidalis and P. tremula, we were able to identify two subgenomes, representing 356?Mb from P. alba (subgenome A) and 354?Mb from P. tremula var. glandulosa (subgenome G). The phased assembly allowed us to detect the transcriptional bias between the two subgenomes, and we found that the subgenome from P. tremula displayed dominant expression in both 84K and another widely used hybrid, P. tremula x P. alba. This high-quality poplar 84K genome will be a valuable resource for poplar breeding and for molecular biology studies.

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Heterologous over-expression of ACC SYNTHASE8 (ACS8) in Populus tremula x P. alba clone 717-1B4 results in elevated levels of ethylene and induces stem dwarfism and reduced leaf size through separate genetic pathways.

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