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Polypedilum vanderplanki strain:NIAS inbreed line

ABSTRACT: Genome analysis of desiccation tolerant midge, Polypedilum vanderplanki

PROVIDER: PRJDB1558 | ENA |

REPOSITORIES: ENA

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Dataset's files

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			Action	DRS
	DRR014883.fastq.gz	Fastqsanger.gz
	DRR024747_1.fastq.gz	Fastqsanger.gz
	DRR024747_2.fastq.gz	Fastqsanger.gz
	DRR024748_1.fastq.gz	Fastqsanger.gz
	DRR024748_2.fastq.gz	Fastqsanger.gz

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Polypedilum vanderplanki

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Regulation of gene expression under extreme desiccation: hijacking of heat shock regulatory system.

Project description:Polypedilum vanderplanki is а striking and unique example of an insect that can survive almost complete water loss. Its genome and series of dehydration-rehydration transcriptomes, together with the genome of P. nubifer (congeneric desiccation-sensitive midge), were recently released. Here, using series of data reflecting detailed transcriptome changes in the process of anhydrobiosis, as well as developmental series, we have identified hundreds of new genes and have demonstrated that up to 53% of genes undergo alternative splicing (AS) and that AS plays a prominent role in the desiccation response. We have shown that the TCTAGAA DNA motif, which closely resembles the binding motif of the D. melanogaster heat shock transcription activator (HSTF), is significantly enriched in promoter regions of desiccation-induced genes, such as LEA, thioredoxins or trehalose metabolism-related genes in P. vanderplanki, but not in P. nubifer. Unlike desiccation-senseitive P. nubifer, P. vanderplanki exhibits double TCTAGAA sites upstream of the HSTF gene, that is a likely explanation for the much stronger activation of HSTF in P. vanderplanki compared to P. nubifer under desiccation. Thus, our results show that rewiring of the heat shock regulatory system is an important evolutionary mechanism of desiccation adaptation in P. vanderplanki.

2018-06-30 | GSE78799 | GEO

Transcriptomic analysis of Pv11 cells derived from Polypedilum vanderplanki

Project description:RNA-Seq of Pv11 cells derived from the anhydrobiotic organism Polypedilum vanderplank, exposed to various stresses.

2022-03-07 | GSE158443 | GEO

Polypedilum nubifer

Project description:Genome analysis of chironomid midge Polypedilum nubifer

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Polypedilum vanderplanki

Project description:Regulation of gene expression under extreme desiccation: hijacking of heat shock regulatory system.

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Identification of Genomic Safe Harbors in the Anhydrobiotic Cell Line, Pv11

Project description:Genomic safe harbors (GSHs) are utilized as an ideal integration site for generating transgenic organisms and cells. Discovery of GSHs is one of the crucial factors for the advancement of basic and applied biology in the species. Such GSHs were discovered in Pv11 (Polypedilum vanderplanki) cell line, which can survive extreme desiccation. To identify the integration sites, high-molecular-weight genomic DNAs were extracted. The DNA libraries were prepared and sequenced with a Nanopore MinION sequencer. In the way to confirm that GSHs loci are localized in open chromatin regions we prepared ATAC-seq libraries, which were sequenced in Illumina HiSeq2500.

2022-03-01 | GSE190481 | GEO

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