Mesocestoides corti
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA950029 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR24029475_1.fastq.gz | Fastqsanger.gz | |||
| SRR24029475_2.fastq.gz | Fastqsanger.gz | |||
| SRR24029476_1.fastq.gz | Fastqsanger.gz | |||
| SRR24029476_2.fastq.gz | Fastqsanger.gz | |||
| SRR24029477_1.fastq.gz | Fastqsanger.gz |
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Project description:Mesocestoides corti transcriptome
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Project description:Identification and profiling of microRNAs in two developmental stages of the model cestode parasite Mesocestoides corti
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Project description:MicroRNAs (miRNAs), a class of small non-coding RNAs, are key regulators of gene expression at post-transcriptional level and play essential roles in fundamental biological processes such as metabolism and development. The particular developmental characteristics of cestode parasites highlight the importance of studying miRNA gene regulation in these organisms. Here, we performed a comprehensive analysis of miRNAs in two developmental stages of the model cestode Mesocestoides corti. Using a high-throughput sequencing approach, we found transcriptional evidence of 42 miRNA loci in tetrathyridia larvae and strobilated worms. Tetrathyridium and strobilated worm-specific miRNAs were found, as well as differentialy expressed miRNAs between these developmental stages, suggesting miRNA regulation of stage-specific features. Moreover, it was shown that uridylation is a differential mechanism of post-transcriptional modification of M. corti miRNAs. The whole set of M. corti miRNAs represent 33 unique miRNA families, and confirm the remarkable loss of conserved miRNA families within platyhelminth parasites, reflecting their relatively low morphological complexity and high adaptation to parasitism. Overall, the presented results provide a valuable platform to studies aiming to identify and characterize novel miRNA-based molecular mechanisms of post-transcriptional gene regulation in cestodes, necessary for the elucidation of developmental aspects of the complex biology of these parasites.
2016-11-24 | GSE85058 | GEO
Project description:Genomic assembly of cestode Mesocestoides corti, as part of the 50 Helminth Genomes Initiative sequencing of the parasitic worms that have the greatest impact on human, agricultural and veterinary disease and cause significant global health issues particularly in the developing world, or those used as model organisms.
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Project description:Morus alba L. Raw protein sequence reads and sequence
2024-02-08 | PXD049451 |
Project description:The microRNA miR-96 is important for hearing; mutations in the seed region result in dominant progressive hearing loss in mice and humans. Mir96 is expressed in the sensory hair cells of the organ of Corti along with Mir182 and Mir183. miR-96 is a master regulator of hair cell development, controlling many genes in the organ of Corti, but the role of miR-182 and miR-183 in the hair cells is unknown. We carried out RNA-seq on mice carrying a knockout allele of Mir182, and mice carrying a double knockout allele of Mir183 and Mir96 (Mir183/96). RNA was extracted from the organ of Corti from P4 homozygotes and sex-matched wildtype littermates. Strand-specific libraries were prepared using the NuGEN Ovation Mouse RNA-Seq System 1-16 kit and sequenced on an Illumina HiSeq 2500 machine as paired-end 125bp reads.
2019-03-15 | E-MTAB-5800 | biostudies-arrayexpress
Project description:Mutations affecting the microRNA miR-96 have been found to cause progressive hearing loss in humans and in mice. These initial mutations were all semidominant, so phenotypes were present in heterozygous carriers. The similarity of the phenotype between the different mutations suggested that it was the loss of normal function of Mir96 that underlay the hearing impairment. However, more recent studies of null alleles of Mir96 and the nearby Mir183, and of Mir96, Mir182 and Mir183 all together, showed that heterozygous carriers of the null alleles have no hearing phenotype, suggesting that the gain of novel targets due to the changed seed sequence resulting from point mutations is important in the Mir96 mutant phenotype, not just the loss of normal targeting. Previous transcriptome analyses of the Mir96 mutant organ of Corti showed that miR-96 controls a broad regulatory network, suggesting that a better understanding of the core genes – particularly the direct targets of miR-96 – may suggest candidate therapeutic targets. We carried out RNA-seq on mice carrying the two seed region point mutations reported in human families. RNA was extracted from the organ of Corti from four day-old homozygotes and sex-matched wildtype littermates. Strand-specific libraries were prepared following the “TruSeq Stranded mRNA Sample Preparation Guide” with the corresponding kit [Illumina Inc. Cat.# RS-122-2101 or RS-122-2102], and sequenced on an Illumina HiSeq 4000 machine as paired-end 101bp reads.
2024-02-20 | E-MTAB-13772 | biostudies-arrayexpress
Project description:Mutations affecting the microRNA miR-96 have been found to cause progressive hearing loss in humans and in mice. These initial mutations were all semidominant, so phenotypes were present in heterozygous carriers. The similarity of the phenotype between the different mutations suggested that it was the loss of normal function of Mir96 that underlay the hearing impairment. However, more recent studies of null alleles of Mir96 and the nearby Mir183, and of Mir96, Mir182 and Mir183 all together, showed that heterozygous carriers of the null alleles have no hearing phenotype, suggesting that the gain of novel targets due to the changed seed sequence resulting from point mutations is important in the Mir96 mutant phenotype, not just the loss of normal targeting. Previous transcriptome analyses of the Mir96 mutant organ of Corti showed that miR-96 controls a broad regulatory network, suggesting that a better understanding of the core genes – particularly the direct targets of miR-96 – may suggest candidate therapeutic targets. We carried out RNA-seq on mice carrying the two seed region point mutations reported in human families. RNA was extracted from the organ of Corti from four day-old homozygotes and sex-matched wildtype littermates. Strand-specific libraries were prepared following the “TruSeq Stranded mRNA Sample Preparation Guide” with the corresponding kit [Illumina Inc. Cat.# RS-122-2101 or RS-122-2102], and sequenced on an Illumina HiSeq 4000 machine as paired-end 101bp reads.
2024-02-20 | E-MTAB-13772 | biostudies-arrayexpress