Bombyx mori
Ontology highlight
ABSTRACT:
PROVIDER: PRJDB13413 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| DRR384268_1.fastq.gz | Fastqsanger.gz | |||
| DRR384268_2.fastq.gz | Fastqsanger.gz | |||
| DRR384269_1.fastq.gz | Fastqsanger.gz | |||
| DRR384269_2.fastq.gz | Fastqsanger.gz | |||
| DRR384270_1.fastq.gz | Fastqsanger.gz |
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Project description:Transcriptome analysis of silk glands in fifth-instar silkworm larvae reared on different diets
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Project description:Nuclear matrix RNA sequencing of 5th instar posterior silk gland of Bombyx mori
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Project description:Time-series transcriptome data in silk grand last of Bombyx mori last instar larvae
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Project description:3 day of fifth instar larvae were treated with ultra-violet (UV) rays using UVL-56 (1350μW/cm2, UVP) for 6 and 12 hours (29.2 and 58.32 J/cm2). Since, larvae of each group rare on artificial diet for 24 hour and dissected fatbody. We examined gene expression profile in these groups.
2015-02-26 | GSE55816 | GEO
Project description:3 day of fifth instar larvae were treated with ultra-violet (UV) rays using UVL-56 (1350?W/cm2, UVP) for 6 and 12 hours (29.2 and 58.32 J/cm2). Since, larvae of each group rare on artificial diet for 24 hour and dissected fatbody. We examined gene expression profile in these groups. Gene expression was measured in 3 day of fifth instar larvae of ultra violet irradiation.
2015-02-26 | E-GEOD-55816 | biostudies-arrayexpress
Project description:Insect cuticle plays essential roles in multiple physiological functions. During molting and metamorphosis, tremendous changes occur in silkworm cuticles. Silkworm is a model of Lepidoptera insects; however, little is known about the stage expression profiles of genes in cuticles of silkworm. In the present study, we selected 16 developmental stages, ranging from day 1 of the first instar larvae to day 8 of pupae, to perform microarray-based expression profiles. The data told us that various functions and physiological pathways were activated in the cuticle. Moreover, the expression profiles of cuticular protein genes, as the important components of cuticle, were investigated. The current study provides important insights for the functional study of insect cuticle and the regulation of insect cuticular protein genes.
2009-11-05 | GSE18878 | GEO
Project description:In the silkworm, Bombyx mori, juvenile hormone (JH) and 20-hydroxyecdysone (20E) levels are high during the final larval molt (4M) but both absent during the feeding stage of 5th instar (5F), while JH level is low and 20E level is high during the prepupal stage (PP). Fat body is the important organs in insect, we want to find out differentially expressed genes which are respectively regulated by the two hormones.
2010-08-05 | GSE23424 | GEO
Project description:This study aims to bridge the gap in our knowledge of Philippine-reared silkworm by analyzing the gene expression profiles in the silkworm silk glands through next generation sequencing. RNA was isolated from the silk glands of 5th instar larvae and mRNA-enriched libraries were sequenced with NextSeq 500 (Illumina). To compare gene expression profiles of strains from CAR (Benguet) and TCMO (Misamis Oriental), DESeq2 analysis was performed. DESeq2 found 476 differentially expressed genes (222 upregulated, 254 downregulated) in CAR strains when compared to TCMO strains. Genes were mapped to protein IDs from the NCBI nr database and GO terms were assigned by mapping to the latest annotation data from KAIKObase. Enrichment of GO terms was analyzed using R package goseq. Among the top DEGs are myrosinase, heat shock proteins, serine protease inhibitors, dehydrogenases, and regulators of juvenile hormone. GO term enrichment analysis reveals overrepresentation of GO terms related to the biological processes nucleotide metabolism and biosynthesis, lipid and carbohydrate metabolic processes, regulation of transcription, and molecular functions related to nucleotide binding, protein binding, and metal binding, catalytic activity, oxidoreductase activity, and hydrolase activity. This study provides for the first time valuable information on the transcriptome of B. mori strains in the Philippines, which are adapted to the tropical environment. The transcriptome assemblies may serve as a resource for studies intended to improve local strains, particularly for increasing silk production.
2022-07-31 | GSE184152 | GEO
Project description:Background: MicroRNA (miRNA) and other small regulatory RNAs contribute to the modulation of a large number of cellular processes. We sequenced three total RNA libraries prepared from the whole body, and the anterior and posterior silk glands of Bombyx mori, with a view to expanding the repertoire of silkworm miRNAs and exploring transcriptional differences in miRNAs between segments of the silk gland. Results: With the aid of large-scale Solexa sequencing technology, we validated 244 unique miRNA genes, including 191 novel and 53 previously reported genes, corresponding to 309 loci in the silkworm genome. Interestingly, 24 unique miRNAs were widely conserved from invertebrates to vertebrates; 12 unique ones were limited to invertebrates and 33 were confined to insects; whereas the majority of the newly identified miRNAs were silkworm-specific. We identified 21 clusters and 42 paralogs of miRNAs in the silkworm genome. However, sequence tags showed that paralogs or clusters are not prerequisites for coordinated transcription and accumulation. The majority of silkworm-specific miRNAs are located in transposable elements, and display significant differences in abundance between the anterior and posterior silk glands. Conclusions: Conservative analysis revealed that miRNAs serve as phylogenetic markers and function in evolutionary signaling. The newly identified miRNAs greatly enriched the repertoire of insect miRNAs, and provide insights into miRNA evolution, biogenesis, and expression in insects. The differential expression of miRNAs in the anterior and posterior silk glands supports their involvement as new layers in the regulation of the silkworm silk gland. Sequencing three total RNA pools of the whole silkworm body from 5th-instar day-3 larvae, and anterior and posterior silkworm silk glands, using the latest sequencing Solexa technology
2010-02-01 | E-GEOD-17965 | biostudies-arrayexpress
Project description:Identification of differentially expressed genes in fore and hind wing buds of IV instar larvae of Bombyx mori (Daizo)
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