GEO DataSets

(Submitter supplied) BRAT-associated mRNAs and PUM-associated mRNAs were identified in early Drosophila embryos by RNA co-immunoprecipitation of the endogenous proteins using synthetic antibodies, followed by microarray analysis (RIP-Chip).

Organism:

Drosophila melanogaster

Type:

Expression profiling by array

Platform:

GPL10539

12 Samples

Download data: PAIR

(Submitter supplied) mRNA expression was assessed genome-wide in brat mutant and w1118 early Drosophila embryos, to elucidate the role of BRAT in regulating mRNA stability. Four different time-points were analyzed for each genotype: 0-to-1.5 hours post-egglaying, 1.5-to-3.0 hours post-egglaying, 3.0-to-4.5 hours post-egglaying, and 4.5-to-6.0 hours post-egglaying.

Organism:

Drosophila melanogaster

Type:

Expression profiling by array

Platform:

GPL19743

24 Samples

Download data: PAIR

(Submitter supplied) Here, we analyze the RNA-binding preferences of the Drosophila melanogaster BRAT protein using RNAcompete.

Organism:

synthetic construct

Type:

Other

Platform:

GPL16119

1 Sample

Download data: TXT

(Submitter supplied) Here, we analyze the RNA-binding preferences of several NHL containing RNA-binding proteins (BRAT, NCL-1, TRIM71, WECH, LIN-41, TRIM56, and MEI-P26) using RNAcompete.

Organism:

synthetic construct

Type:

Other

Platform:

GPL16119

7 Samples

Download data: TXT

(Submitter supplied) The Drosophila TRIM-NHL protein Brain tumor (Brat) plays important roles during early embryogenesis, in cell fate decisions, during neurogenesis and in mature neurons. Brat is an RNA-binding protein and functions as translational repressor. However, which RNAs Brat regulates and how RNA-binding specificity is achieved, is unknown. Using RNA-Immunoprecipitation we identify Brat-bound mRNAs in Drosophila embryos and define a consensus binding motif. more...

Organism:

Drosophila melanogaster

Type:

Other

Platform:

GPL20767

4 Samples

Download data: CEL

(Submitter supplied) During the first stages of development, the fertilized germ cells rapidly transition to totipotency. Maternally deposited mRNAs encode the proteins necessary for reprogramming the transcriptionally quiescent zygotic genome during this maternal-to-zygotic transition (MZT). The transcription factor Zelda is essential for this reprogramming in the Drosophila embryo. Zelda is necessary for transcriptional activation of the zygotic genome, and the absence of Zelda leads to embryonic lethality during the MZT. more...

Organism:

Drosophila melanogaster

Type:

Expression profiling by high throughput sequencing

Platform:

GPL19132

62 Samples

Download data: TXT

(Submitter supplied) Background: Metazoan embryos undergo a maternal-to-zygotic transition (MZT) during which a subset of maternal gene products is eliminated and the zygotic genome becomes transcriptionally active. RNA-binding proteins (RBPs) and the microRNA-induced silencing complex (miRISC) – of which Argonaute 1 (AGO1) is a key component in Drosophila – target maternal mRNAs for degradation. The Drosophila Smaug, Brain tumor (BRAT) and Pumilio (PUM) RBPs direct the degradation of maternal mRNAs. more...

Organism:

Drosophila melanogaster

Type:

Non-coding RNA profiling by high throughput sequencing

Platform:

GPL17275

18 Samples

Download data: TXT

(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 ananassae; Drosophila erecta; Drosophila miranda; Drosophila sechellia; Drosophila simulans; Drosophila virilis; Drosophila melanogaster; Drosophila yakuba; Drosophila persimilis; Drosophila santomea; Drosophila mauritiana; Drosophila mojavensis; Drosophila pseudoobscura; Drosophila willistoni

Type:

Expression profiling by high throughput sequencing; Third-party reanalysis

14 related Platforms

119 Samples

Download data: TXT

(Submitter supplied) In all animals, the initial events of embryogenesis are controlled by maternal gene products that are deposited into the developing oocyte. At some point after fertilization, control of embryogenesis is transferred to the zygotic genome in a process called the maternal to zygotic transition (MZT). During this time maternal RNAs are degraded and zygotic RNAs are transcribed1. A long standing question has been, what factors regulate these events? The recent findings that microRNAs and Smaugs mediate maternal transcript degradation brought new life to this old problem2,3, however, the transcription factors that activate zygotic gene expression remained elusive. more...

Organism:

Drosophila melanogaster

Type:

Expression profiling by array

Dataset:

GDS3477

Platform:

GPL1322

6 Samples

Download data: CEL

Analysis of embryos lacking the zinc finger protein Zelda. Results provide insight into the role of Zelda in the transfer of control of embryogenesis to the zygotic genome during the process of maternal-to-zygotic transition.

Organism:

Drosophila melanogaster

Type:

Expression profiling by array, count, 2 genotype/variation sets

Platform:

GPL1322

Series:

GSE11231

6 Samples

Download data: CEL

(Submitter supplied) Using RNA immunoprecipitation sequencing, we found that ME31B binding represses expression of thousands of genes in the Drosophila early embryo, but the mechanism by which ME31B acts changes: before the maternal-to-zygotic transition, ME31B represses translation, while afterwards, it stimulates mRNA decay.

Organism:

Drosophila melanogaster

Type:

Expression profiling by high throughput sequencing

Platform:

GPL17275

28 Samples

Download data: CSV

(Submitter supplied) The TRIM-NHL protein Brain tumor (Brat) acts as a tumor suppressor in the Drosophila brain, but how it suppresses tumor formation is not completely understood. Here, we combine temperature controlled brat RNAi with transcriptome analysis to identify the immediate brat targets in Drosophila neuroblasts. Besides the known target Deadpan (Dpn), our experiments identify the transcription factor Zelda (Zld) as a critical target of brat. more...

Organism:

Drosophila melanogaster

Type:

Expression profiling by high throughput sequencing

Platform:

GPL11203

2 Samples

Download data: TXT

(Submitter supplied) In animals, egg activation triggers a cascade of posttranscriptional events that act on maternally synthesized RNAs. We show that, in Drosophila, the PAN GU (PNG) kinase sits near the top of this cascade, triggering translation of SMAUG (SMG), a multifunctional posttranscriptional regulator conserved from yeast to humans. Although PNG is required for cytoplasmic polyadenylation of smg mRNA, it regulates translation via mechanisms that are independent of its effects on the poly(A) tail. more...

Organism:

Drosophila melanogaster

Type:

Expression profiling by array

Platform:

GPL1467

21 Samples

Download data: TXT

(Submitter supplied) In nearly all metazoans, the earliest stages of development are controlled by maternally deposited mRNAs and proteins. The zygotic genome only becomes transcriptionally active hours later. Transcriptional activation is tightly coordinated with the degradation of maternally provided mRNAs during this maternal-to-zygotic transition (MZT). In Drosophila melanogaster, the transcription factor Zelda plays an essential role in widespread activation of the zygotic genome. more...

Organism:

Drosophila melanogaster

Type:

Expression profiling by high throughput sequencing

Platform:

GPL13304

6 Samples

Download data: CSV

(Submitter supplied) This SuperSeries is composed of the SubSeries listed below.

Organism:

Drosophila melanogaster

Type:

Expression profiling by high throughput sequencing; Other

Platform:

GPL19132

13 Samples

Download data: BIGWIG, TXT

(Submitter supplied) Maternal mRNAs are synthesized during oogenesis to initiate the development of future generations. Some maternal mRNAs are determinants of somatic or germline fate and must be translationally repressed until embryogenesis. However, the translational repressors themselves are also temporally regulated. We use polar granule component (pgc), a Drosophila maternal mRNA, as a model system to ask how maternal mRNAs are repressed while the regulatory landscape is continually shifting. more...

Organism:

Drosophila melanogaster

Type:

Expression profiling by high throughput sequencing

Platform:

GPL19132

1 Sample

Download data: BIGWIG, TXT

(Submitter supplied) Maternal mRNAs are synthesized during oogenesis to initiate the development of future generations. Some maternal mRNAs are determinants of somatic or germline fate and must be translationally repressed until embryogenesis. However, the translational repressors themselves are also temporally regulated. We use polar granule component (pgc), a Drosophila maternal mRNA, as a model system to ask how maternal mRNAs are repressed while the regulatory landscape is continually shifting. more...

Organism:

Drosophila melanogaster

Type:

Expression profiling by high throughput sequencing; Other

Platform:

GPL19132

12 Samples

Download data: TXT

(Submitter supplied) To identify Smaug’s target mRNAs on a genome-wide scale we used ribonucleoprotein (RNP) co-immunoprecipitation followed by microarray analysis of the co-purifying mRNAs (RIP-Chip). Extracts, prepared from wild-type embryos collected 0-3 hours post-egglaying, were immunoprecipitated with an anti-Smaug antibody (Smaug RIPs) while control immunoprecipitations using non-immune serum served as a negative control (control RIPs). more...

Organism:

Drosophila melanogaster

Type:

Expression profiling by array

Platform:

GPL13782

11 Samples

Download data: CALLS, PAIR

(Submitter supplied) Biochemical purification: Five grams of adult flies or 2.5 g of embryos were used in each affinity purification. Flies or embryos were suspended in 15 ml of buffer B (buffer A plus 1.5 mM dithiothreitol [DTT], 1 mM phenylmethylsulfonylfluoride [PMSF], 0.5 5g/ml leupeptin, 0.8 5g/ml pepstatin, 20 U/ml DNase I, 100 U/ml RNasin [Promega], and 0.2 mg/ml heparin) in a mortar filled with liquid nitrogen and ground with a pestle to a fine powder. more...

Organism:

Drosophila melanogaster

Type:

Expression profiling by array

Platforms:

GPL3058 GPL3057

13 Samples

Download data

(Submitter supplied) Total RNA was isolated from wild-type adult flies (yellow white) and from embryos (cs, 0-16h) with TRIZOL reagent. 12 microgram of each total RNA were labeled with fluorescent dyes, following cDNA synthesis with amino-allyl dUTP in addition to the four natural dNTPs using a 1:1 mixture of oligo(dT) and random nonamer primers. An all pairs experiment design type is where all labeled extracts are compared to every other labeled extract. more...

Organism:

Drosophila melanogaster

Type:

Expression profiling by array

Platforms:

GPL3058 GPL3057

3 Samples

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