Roles of Lola-O
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA404083 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR6026380_1.fastq.gz | Fastqsanger.gz | |||
| SRR6026380_2.fastq.gz | Fastqsanger.gz | |||
| SRR6026381_1.fastq.gz | Fastqsanger.gz | |||
| SRR6026381_2.fastq.gz | Fastqsanger.gz | |||
| SRR6025882.fastq.gz | Fastqsanger.gz |
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Project description:longitudinals lacking (lola) is among the most complex genes in Drosophila melanogaster, encoding up to 20 different protein isoforms and acting as a key transcription factor in axonal pathfinding and neural reprograming. To better characterize Lola function we have generated specific mutations in each isoform using the CRISPR/Cas9 system. Our targeted screen allows us to revisit the previously demonstrated roles for few isoforms, to assign known functions to specific isoforms and to reveal a critical role for a specific variant in the octopaminergic pathway. Thus, our comprehensive study expands the repertoire of Lola functions, and demonstrates that the CRISPR/Cas9 approach is a valuable tool to systematically address the role of complex loci in vivo.
2017-12-15 | GSE97836 | GEO
Project description:Longitudinals lacking (lola) is among the most complex genes in Drosophila melanogaster, encoding up to 20 different protein isoforms and acting as a key transcription factor in axonal pathfinding and neural reprograming. To better characterize Lola function we have generated specific mutations in each isoform using the CRISPR/Cas9 system. Our targeted screen allows us to revisit the previously demonstrated roles for few isoforms, to assign known functions to specific isoforms and to reveal a critical role for a specific variant in the octopaminergic pathway. Thus, our comprehensive study expands the repertoire of Lola functions, and demonstrates that the CRISPR/Cas9 approach is a valuable tool to systematically address the role of complex loci in vivo.
2020-09-11 | GSE103700 | GEO
Project description:longitudinals lacking (lola) is among the most complex genes in Drosophila melanogaster, encoding up to 20 different protein isoforms and acting as a key transcription factor in axonal pathfinding and neural reprograming. To better characterize Lola function we have generated specific mutations in each isoform using the CRISPR/Cas9 system. Our targeted screen allows us to revisit the previously demonstrated roles for few isoforms, to assign known functions to specific isoforms and to reveal a critical role for a specific variant in the octopaminergic pathway. Thus, our comprehensive study expands the repertoire of Lola functions, and demonstrates that the CRISPR/Cas9 approach is a valuable tool to systematically address the role of complex loci in vivo.
2020-01-08 | GSE93294 | GEO
Project description:modENCODE_submission_5003 This submission comes from a modENCODE project of Kevin White. For full list of modENCODE projects, see http://www.genome.gov/26524648 Project Goal: The White Lab is aiming to map the association of all the Transcription Factors (TF) on the genome of Drosophila melanogaster. One technique that we use for this purpose is chromatin immunoprecipitation coupled with deep sequencing (ChIP-seq) utilizing an Illumina next generation sequencing platform. The data generated by ChIP-seq experiments consist basically of a plot of signal intensity across the genome. The highest signals correspond to positions in the genome occupied by the tested TF. For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODEDataReleasePolicyFinal2008.pdf EXPERIMENT TYPE: CHIP-seq. BIOLOGICAL SOURCE: Strain: lola-RI-GFP; Developmental Stage: L3; Genotype: PBac{y[+]-attP-3B}VK00033; Sex: Unknown; Transgene: lola-RI genomic coding region; EXPERIMENTAL FACTORS: Developmental Stage L3; Target gene lola; Strain lola-RI-GFP; Antibody GFP ab290 (target is Green Fluorescent Protein)
2013-08-28 | E-GEOD-50372 | biostudies-arrayexpress
Project description:modENCODE_submission_5004 This submission comes from a modENCODE project of Kevin White. For full list of modENCODE projects, see http://www.genome.gov/26524648 Project Goal: The White Lab is aiming to map the association of all the Transcription Factors (TF) on the genome of Drosophila melanogaster. One technique that we use for this purpose is chromatin immunoprecipitation coupled with deep sequencing (ChIP-seq) utilizing an Illumina next generation sequencing platform. The data generated by ChIP-seq experiments consist basically of a plot of signal intensity across the genome. The highest signals correspond to positions in the genome occupied by the tested TF. For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODEDataReleasePolicyFinal2008.pdf EXPERIMENT TYPE: CHIP-seq. BIOLOGICAL SOURCE: Strain: lola-RJ-GFP; Developmental Stage: Embryo 0-12h; Genotype: PBac{y[+]-attP-3B}VK00033; Transgene: lola-RJ genomic coding region; EXPERIMENTAL FACTORS: Developmental Stage Embryo 0-12h; Target gene lola; Strain lola-RJ-GFP; Antibody GFP ab290 (target is Green Fluorescent Protein)
2013-08-11 | E-GEOD-49772 | biostudies-arrayexpress
Project description:modENCODE_submission_5005 This submission comes from a modENCODE project of Kevin White. For full list of modENCODE projects, see http://www.genome.gov/26524648 Project Goal: The White Lab is aiming to map the association of all the Transcription Factors (TF) on the genome of Drosophila melanogaster. One technique that we use for this purpose is chromatin immunoprecipitation coupled with deep sequencing (ChIP-seq) utilizing an Illumina next generation sequencing platform. The data generated by ChIP-seq experiments consist basically of a plot of signal intensity across the genome. The highest signals correspond to positions in the genome occupied by the tested TF. For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODEDataReleasePolicyFinal2008.pdf EXPERIMENT TYPE: CHIP-seq. BIOLOGICAL SOURCE: Strain: lola-RJ-GFP; Developmental Stage: Embryo 12-24h; Genotype: PBac{y[+]-attP-3B}VK00033; Transgene: lola-RJ genomic coding region; EXPERIMENTAL FACTORS: Developmental Stage Embryo 12-24h; Target gene lola; Strain lola-RJ-GFP; Antibody GFP ab290 (target is Green Fluorescent Protein)
2013-08-11 | E-GEOD-49773 | biostudies-arrayexpress
Project description:Purpose: The transcription fact Lola is identified as a conponent acting downstream of Hippo signaling to restrict ISC proliferation and regulate midgut homeostasis. To further elucidate the mechanism of Lola regulating ISC proliferation and midgut homeostasis,Chromatin immunoprecipitation assay followed by sequencing (ChIP-seq) was performed to identify genes suppressed directly by Lola. Methods: Chromatin lysates were clarified from homogenized and sonicated S2 cells; protein-DNA complexes were isolated with antibody. Genomic DNA fragments were purified with a DNA purification kit (QIAGEN) and subjected to high throughput sequencing using Illumina HiSeq2500. Process: After the genomic DNA segments were sequenced using Illumina HiSeq2500. After quality control with fastqc (version 0.11.8), we built genome index from Drosophila melanogaster genome(BDGP6)with bowtie2-build. Reads were aligned to Drosophila genome BDGP6 index with bowtie2. Then we converted sam files to bam files with samtools. Peaks were called from the aligned reads using MACS2 callpeak, and peaks annotation using R package ChIPseeker. Conclusion: Thousands of Lola-associated chromatin binding sites were identified in cultured S2 cells. Analysis of the Lola binding profiles revealed that Lola mainly binds to the regions around transcription start sites (TSS) and promoters.
2019-09-07 | GSE136999 | GEO
Project description:Longitudinals lacking (lola) is among the most complex genes in Drosophila melanogaster, encoding up to 20 different protein isoforms and acting as a key transcription factor in axonal pathfinding and neural reprograming. To better characterize Lola function we have generated specific mutations in each isoform using the CRISPR/Cas9 system. Our targeted screen allows us to revisit the previously demonstrated roles for few isoforms, to assign known functions to specific isoforms and to reveal a critical role for a specific variant in the octopaminergic pathway. Thus, our comprehensive study expands the repertoire of Lola functions, and demonstrates that the CRISPR/Cas9 approach is a valuable tool to systematically address the role of complex loci in vivo.
2020-09-11 | GSE103709 | GEO
Project description:The ability to reprogram differentiated cells into a pluripotent state has revealed that the differentiated state is plastic and reversible. It is evident, therefore, that mechanisms must be in place to maintain cells in a differentiated state. Transcription factors that specify neuronal characteristics have been well studied but less is known about the mechanisms that prevent neurons from dedifferentiating to a multipotent, stem cell-like state. Here we identify Lola as a transcription factor that is required to maintain neurons in a differentiated state. We show that Lola represses neural stem cell genes and cell cycle genes in post-mitotic neurons. In lola mutants, neurons dedifferentiate, turn on neural stem cell genes and begin to divide, forming tumours. Thus, neurons rather than stem cells or intermediate progenitors are the tumour-initiating cells in lola mutants.
2014-05-06 | GSE53447 | GEO
Project description:The ability to reprogram differentiated cells into a pluripotent state has revealed that the differentiated state is plastic and reversible. It is evident, therefore, that mechanisms must be in place to maintain cells in a differentiated state. Transcription factors that specify neuronal characteristics have been well studied but less is known about the mechanisms that prevent neurons from dedifferentiating to a multipotent, stem cell-like state. Here we identify Lola as a transcription factor that is required to maintain neurons in a differentiated state. We show that Lola represses neural stem cell genes and cell cycle genes in post-mitotic neurons. In lola mutants, neurons dedifferentiate, turn on neural stem cell genes and begin to divide, forming tumours. Thus, neurons rather than stem cells or intermediate progenitors are the tumour-initiating cells in lola mutants. 3 biological relicates were performed for Lola-N (with one dye-swap).
2014-05-06 | E-GEOD-53447 | biostudies-arrayexpress