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Items: 1 to 20 of 492

1.

Unistrand piRNA clusters are an evolutionarily conserved mechanism to suppress endogenous retroviruses across the Drosophila genus [ATAC-Seq]

(Submitter supplied) The PIWI-interacting RNA (piRNA) pathway plays a crucial role in preventing endogenous genomic parasites, transposable elements (TEs), from damaging the genetic material of animal gonadal cells. Specific regions in the genome, called piRNA clusters, define each species’ piRNA repertoire and therefore its capacity to recognize and silence transposons. In the somatic cells of the Drosophila melanogaster ovary, the flamenco (flam) unistrand cluster is the main source of piRNAs and primarily regulates Gypsy family TEs that are able to form virus-like particles and infect neighbouring germ cells. more...
Organism:
Drosophila persimilis; Drosophila ficusphila; Drosophila erecta; Drosophila melanogaster; Drosophila pseudoobscura; Drosophila yakuba; Drosophila simulans; Drosophila suzukii; Drosophila biarmipes
Type:
Genome binding/occupancy profiling by high throughput sequencing
9 related Platforms
18 Samples
Download data: BW, NARROWPEAK
Series
Accession:
GSE240910
ID:
200240910
2.

Unistrand piRNA clusters are an evolutionarily conserved mechanism to suppress endogenous retroviruses across the Drosophila genus

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.
Organism:
Drosophila ananassae; Drosophila subobscura; Drosophila virilis; Drosophila biarmipes; Drosophila melanogaster; Drosophila simulans; Drosophila yakuba; Drosophila suzukii; Drosophila erecta; Drosophila pseudoobscura; Drosophila ficusphila; Drosophila mojavensis; Drosophila persimilis; Drosophila azteca; Drosophila takahashii
Type:
Expression profiling by high throughput sequencing; Non-coding RNA profiling by high throughput sequencing; Genome binding/occupancy profiling by high throughput sequencing
20 related Platforms
118 Samples
Download data: BW, NARROWPEAK
Series
Accession:
GSE225889
ID:
200225889
3.

Unistrand piRNA clusters are an evolutionarily conserved mechanism to suppress endogenous retroviruses across the Drosophila genus [small RNA-Seq]

(Submitter supplied) The PIWI-interacting RNA (piRNA) pathway plays a crucial role in preventing endogenous genomic parasites, transposable elements (TEs), from damaging the genetic material of animal gonadal cells. Specific regions in the genome, called piRNA clusters, define each species’ piRNA repertoire and therefore its capacity to recognize and silence transposons. In the somatic cells of the Drosophila melanogaster ovary, the flamenco (flam) unistrand cluster is the main source of piRNAs and primarily regulates Gypsy family TEs that are able to form virus-like particles and infect neighbouring germ cells. more...
Organism:
Drosophila simulans; Drosophila yakuba; Drosophila suzukii; Drosophila ananassae; Drosophila erecta; Drosophila mojavensis; Drosophila virilis; Drosophila azteca; Drosophila biarmipes; Drosophila bifasciata; Drosophila melanogaster; Drosophila pseudoobscura; Drosophila subobscura; Drosophila ficusphila; Drosophila persimilis; Drosophila takahashii
Type:
Non-coding RNA profiling by high throughput sequencing
15 related Platforms
65 Samples
Download data: BW
Series
Accession:
GSE225888
ID:
200225888
4.

Unistrand piRNA clusters are an evolutionarily conserved mechanism to suppress endogenous retroviruses across the Drosophila genus [RNA-Seq]

(Submitter supplied) The PIWI-interacting RNA (piRNA) pathway plays a crucial role in preventing endogenous genomic parasites, transposable elements (TEs), from damaging the genetic material of animal gonadal cells. Specific regions in the genome, called piRNA clusters, define each species’ piRNA repertoire and therefore its capacity to recognize and silence transposons. In the somatic cells of the Drosophila melanogaster ovary, the flamenco (flam) unistrand cluster is the main source of piRNAs and primarily regulates Gypsy family TEs that are able to form virus-like particles and infect neighbouring germ cells. more...
Organism:
Drosophila erecta; Drosophila mojavensis; Drosophila virilis; Drosophila azteca; Drosophila biarmipes; Drosophila simulans; Drosophila yakuba; Drosophila suzukii; Drosophila bifasciata; Drosophila melanogaster; Drosophila pseudoobscura; Drosophila subobscura; Drosophila ficusphila; Drosophila ananassae; Drosophila persimilis; Drosophila takahashii
Type:
Expression profiling by high throughput sequencing
10 related Platforms
35 Samples
Download data: BW
Series
Accession:
GSE225887
ID:
200225887
5.

Mechanistic divergence of piRNA biogenesis in Drosophila

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.
Organism:
Drosophila melanogaster; Drosophila mojavensis; Drosophila pseudoobscura; Drosophila bifasciata; Drosophila eugracilis
Type:
Non-coding RNA profiling by high throughput sequencing; Expression profiling by high throughput sequencing; Genome binding/occupancy profiling by high throughput sequencing
5 related Platforms
27 Samples
Download data: BED, TXT
Series
Accession:
GSE213383
ID:
200213383
6.

Mechanistic divergence of piRNA biogenesis in Drosophila [ChIP-seq]

(Submitter supplied) Organisms require mechanisms to distinguish self and non-self RNA. This distinction is crucial to initiate the biogenesis of piRNAs. In Drosophila ovaries, PIWI-guided slicing and the recognition of piRNA precursor transcripts by the DEAD-box RNA helicase Yb are the two known mechanisms to initiate biogenesis in the germline and the soma, respectively. Both, the PIWI proteins and Yb are highly conserved across most Drosophila species and are thought to be essential to the piRNA pathway and for silencing TEs. more...
Organism:
Drosophila bifasciata; Drosophila pseudoobscura
Type:
Genome binding/occupancy profiling by high throughput sequencing
Platforms:
GPL32666 GPL32664
6 Samples
Download data: BED
Series
Accession:
GSE213379
ID:
200213379
7.

Mechanistic divergence of piRNA biogenesis in Drosophila [RNA-seq]

(Submitter supplied) Organisms require mechanisms to distinguish self and non-self RNA. This distinction is crucial to initiate the biogenesis of piRNAs. In Drosophila ovaries, PIWI-guided slicing and the recognition of piRNA precursor transcripts by the DEAD-box RNA helicase Yb are the two known mechanisms to initiate biogenesis in the germline and the soma, respectively. Both, the PIWI proteins and Yb are highly conserved across most Drosophila species and are thought to be essential to the piRNA pathway and for silencing TEs. more...
Organism:
Drosophila eugracilis; Drosophila pseudoobscura; Drosophila bifasciata
Type:
Expression profiling by high throughput sequencing
Platforms:
GPL32664 GPL32665 GPL32666
4 Samples
Download data: BED
Series
Accession:
GSE213375
ID:
200213375
8.

Mechanistic divergence of piRNA biogenesis in Drosophila [ncRNA-seq]

(Submitter supplied) Organisms require mechanisms to distinguish self and non-self RNA. This distinction is crucial to initiate the biogenesis of piRNAs. In Drosophila ovaries, PIWI-guided slicing and the recognition of piRNA precursor transcripts by the DEAD-box RNA helicase Yb are the two known mechanisms to initiate biogenesis in the germline and the soma, respectively. Both, the PIWI proteins and Yb are highly conserved across most Drosophila species and are thought to be essential to the piRNA pathway and for silencing TEs. more...
Organism:
Drosophila mojavensis; Drosophila bifasciata; Drosophila melanogaster; Drosophila pseudoobscura; Drosophila eugracilis
Type:
Non-coding RNA profiling by high throughput sequencing
5 related Platforms
17 Samples
Download data: BED, TXT
Series
Accession:
GSE213369
ID:
200213369
9.

Sex-biased expression of microRNAs in Drosophila pseudoobscura

(Submitter supplied) Small RNA sequencing from Drosophila pseudoobscura males and virgin females.
Organism:
Drosophila pseudoobscura
Type:
Non-coding RNA profiling by high throughput sequencing
Platform:
GPL22420
4 Samples
Download data: TAB
Series
Accession:
GSE179989
ID:
200179989
10.

Comparative transcriptomics in the Drosophila Auditory Organ

(Submitter supplied) We use closely-related Drosophila species to understand mechanosensation and how hearing as a form of mechanosensation drives reproductive isolation and evolution. In particular, we performed RNA-seq to obtain the Johnston's Organ transcriptomes of six closely-related Drosophila species, namely, D.melanogaster, D.yakuba, D.pseudoobscura and D.persimilis. Application of the Ornstein-Uhlenbeck model identified gene expression changes between the species' auditory structures. more...
Organism:
Drosophila simulans; Drosophila yakuba; Drosophila melanogaster; Drosophila pseudoobscura; Drosophila persimilis
Type:
Expression profiling by high throughput sequencing
5 related Platforms
5 Samples
Download data: TXT
Series
Accession:
GSE100837
ID:
200100837
11.

Evolutionary changes in cis regulation are associated with altered chromatin activity and gene expression levels in the Drosophila eye development (RNA-Seq)

(Submitter supplied) Expression profiling by high-throughput sequencing (RNA-seq) across eight WT Drosophila species - D. melanogaster, D. simulans, D. yakuba, D. ananassae, D. pseudoobscura, D. willistoni, D. mojavensis and D. virilis - and three tissues, namely, brain, eye-antennal and imaginal discs, at the stage of third instar larvae.
Organism:
Drosophila ananassae; Drosophila mojavensis; Drosophila virilis; Drosophila willistoni; Drosophila melanogaster; Drosophila pseudoobscura; Drosophila simulans; Drosophila yakuba
Type:
Expression profiling by high throughput sequencing
8 related Platforms
27 Samples
Download data: TXT
Series
Accession:
GSE59707
ID:
200059707
12.

Reporter-ChIP-nexus reveals strong contribution of the Drosophila initiator sequence to RNA polymerase pausing

(Submitter supplied) RNA polymerase II (Pol II) pausing is a general regulatory step in transcription, yet the stability of paused Pol II varies widely between genes. Although paused Pol II stability correlates with core promoter elements, the contribution of individual sequences remains unclear, in part because no rapid assay is available for measuring the changes in Pol II pausing as a result of altered promoter sequences. more...
Organism:
Drosophila melanogaster; Drosophila pseudoobscura
Type:
Other; Genome binding/occupancy profiling by high throughput sequencing; Expression profiling by high throughput sequencing
Platforms:
GPL19132 GPL23885
144 Samples
Download data: BW
Series
Accession:
GSE116244
ID:
200116244
13.

Evolution of maternal and zygotic mRNA complements in the early Drosophila embryo

(Submitter supplied) The earliest stage of animal development is controlled by maternally deposited mRNA transcripts and proteins. Once the zygote is able to transcribe its own genome, maternal transcripts are degraded, in a tightly regulated process known as the maternal to zygotic transition (MZT). While this process has been well-studied within model species, we have little knowledge of how the pools of maternal and zygotic transcripts evolve. more...
Organism:
Drosophila mauritiana; Drosophila mojavensis; Drosophila pseudoobscura; Drosophila willistoni; Drosophila persimilis; Drosophila santomea; Drosophila melanogaster; Drosophila yakuba; Drosophila ananassae; Drosophila erecta; Drosophila miranda; Drosophila sechellia; Drosophila simulans; Drosophila virilis
Type:
Expression profiling by high throughput sequencing; Third-party reanalysis
14 related Platforms
119 Samples
Download data: TXT
Series
Accession:
GSE112858
ID:
200112858
14.

The transcription factor Grainyhead primes epithelial enhancers for spatiotemporal activation by displacing nucleosomes

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.
Organism:
Drosophila ananassae; Drosophila erecta; Drosophila mojavensis; Drosophila virilis; Drosophila willistoni; Drosophila sechellia; Drosophila simulans; Drosophila yakuba; Drosophila melanogaster; Drosophila pseudoobscura; Drosophila persimilis; Homo sapiens
Type:
Genome binding/occupancy profiling by high throughput sequencing
15 related Platforms
175 Samples
Download data: BW
Series
Accession:
GSE102441
ID:
200102441
15.

The transcription factor Grainyhead primes epithelial enhancers for spatiotemporal activation by displacing nucleosomes [evolutionary study]

(Submitter supplied) Transcriptional enhancers function as docking platforms for combinations of transcription factors to control gene expression. How enhancer sequences determine nucleosome occupancy, transcription factor recruitment, and transcriptional activation in vivo remains unclear. Using ATAC-seq across a panel of Drosophila inbred strains we found that SNPs affecting Grainyhead binding sites causally determine the accessibility of epithelial enhancers. more...
Organism:
Drosophila erecta; Drosophila mojavensis; Drosophila virilis; Drosophila willistoni; Drosophila persimilis; Drosophila melanogaster; Drosophila pseudoobscura; Drosophila yakuba; Drosophila ananassae; Drosophila sechellia; Drosophila simulans
Type:
Genome binding/occupancy profiling by high throughput sequencing
12 related Platforms
24 Samples
Download data: BW
Series
Accession:
GSE102439
ID:
200102439
16.

Drosophila species embryonic development RAMPAGE time series

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.
Organism:
Drosophila pseudoobscura; Drosophila melanogaster; Drosophila ananassae; Drosophila erecta; Drosophila simulans
Type:
Expression profiling by high throughput sequencing
5 related Platforms
119 Samples
Download data: BW
Series
Accession:
GSE89335
ID:
200089335
17.

Drosophila pseudoobscura embryonic development RAMPAGE time series

(Submitter supplied) Multicellular development is largely determined by transcriptional regulatory programs that orchestrate the expression of thousands of protein-coding and noncoding genes. To decipher the genomic regulatory code that specifies these programs, and to investigate globally the developmental relevance of noncoding transcription, we profiled genome-wide promoter activity throughout embryonic development in 5 Drosophila species. more...
Organism:
Drosophila pseudoobscura
Type:
Expression profiling by high throughput sequencing
Platform:
GPL13310
29 Samples
Download data: BED, BW, TXT
Series
Accession:
GSE89300
ID:
200089300
18.

Small RNAs from 11 Drosophila species

(Submitter supplied) Annotation of small RNAs from 11 Drosophila species for the purpose of non-coding RNA annotation and comparative genomics assessment.
Organism:
Drosophila ananassae; Drosophila erecta; Drosophila virilis; Drosophila grimshawi; Drosophila sechellia; Drosophila simulans; Drosophila yakuba; Drosophila pseudoobscura; Drosophila mojavensis; Drosophila persimilis; Drosophila willistoni
Type:
Non-coding RNA profiling by high throughput sequencing
22 related Platforms
56 Samples
Download data: TXT
Series
Accession:
GSE98013
ID:
200098013
19.

Bicoid binding along anteroposterior axis of Drosophila Melanogaster embryos

(Submitter supplied) ChIP-Seq against Bicoid on manually dissected posterior thirds of Drosophila Melanogaster early stage 5 embryos.
Organism:
Drosophila melanogaster; Drosophila pseudoobscura
Type:
Genome binding/occupancy profiling by high throughput sequencing
Platforms:
GPL24001 GPL17275
2 Samples
Download data: WIG
Series
Accession:
GSE103695
ID:
200103695
20.

RNA-seq of sexed adult tissues/body parts from eight Drosophila species

(Submitter supplied) This data set contains polyA+ transcriptional profiling of sexed adult tissues/body parts and whole adults of eight Drosophila species: Drosophila melanogaster (FBsp00000001) from two strains [w1118 (FBst0005905) and Oregon-R (FBst0025211)], Drosophila yakuba (FBsp00000254), Drosophila ananassae (FBsp00000052), Drosophila pseudoobscura (FBsp00000201), Drosophila persimilis (FBsp00000188), Drosophila willistoni (FBsp00000253), Drosophila mojavensis (FBsp00000160), and Drosophila virilis (FBsp00000251). more...
Organism:
Drosophila mojavensis; Drosophila virilis; Drosophila willistoni; Drosophila yakuba; synthetic construct; Drosophila ananassae; Drosophila persimilis; Drosophila melanogaster; Drosophila pseudoobscura
Type:
Expression profiling by high throughput sequencing
12 related Platforms
856 Samples
Download data: PDF, TXT
Series
Accession:
GSE99574
ID:
200099574
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