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Tineola bisselliella

ABSTRACT: Tineola bisselliella overview

PROVIDER: PRJNA268039 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	SRR1272439.fastq.gz	Fastqsanger.gz
	SRR1695451_1.fastq.gz	Fastqsanger.gz
	SRR1695451_2.fastq.gz	Fastqsanger.gz
	SRR29372509_1.fastq.gz	Fastqsanger.gz

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Tineola bisselliella

Project description:Tineola bisselliella

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Tineola bisselliella

Project description:Tineola bisselliella Genome Assembly and Annotation

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Tineola bisselliella isolate:Ti02

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Tineola bisselliella strain:laboratory colony

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Tineola bisselliella

Project description:The 1KITE project: evolution of insects

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Project description:Tineola Bisselliella transcriptome sequencing

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Next-Generation Sequencing Analysis of the <i>Tineola bisselliella</i> Larval Gut Transcriptome Reveals Candidate Enzymes for Keratin Digestion.

Project description:The clothes moth Tineola bisselliella is one of a few insects that can digest keratin, leading to the destruction of clothing, textiles and artwork. The mechanism of keratin digestion is not yet fully understood, partly reflecting the lack of publicly available genomic and transcriptomic data. Here we present a high-quality gut transcriptome of T. bisselliella generated from larvae reared on keratin-rich and keratin-free diets. The overall transcriptome consists of 428,221 contigs that were functionally annotated and screened for candidate enzymes involved in keratin utilization. As a mechanism for keratin digestion, we identified cysteine synthases, cystathionine β-synthases and cystathionine γ-lyases. These enzymes release hydrogen sulfite, which may reduce the disulfide bonds in keratin. The dataset also included 27 differentially expressed contigs with trypsin domains, among which 20 were associated with keratin feeding. Finally, we identified seven collagenases that were upregulated on the keratin-rich diet. In addition to this enzymatic repertoire potentially involved in breaking down keratin, our analysis of poly(A)-enriched and poly(A)-depleted transcripts suggested that T. bisselliella larvae possess an unstable intestinal microbiome that may nevertheless contribute to keratin digestion.

| S-EPMC8394580 | biostudies-literature

Larvae of the Clothing Moth Tineola bisselliella Maintain Gut Bacteria that Secrete Enzyme Cocktails to Facilitate the Digestion of Keratin.

Project description:The evolutionary success of insects is promoted by their association with beneficial microbes that enable the utilization of unusual diets. The synanthropic clothing moth Tineola bisselliella provides an intriguing example of this phenomenon. The caterpillars of this species have adapted to feed on keratin-rich diets such as feathers and wool, which cannot be digested by most other animals and are resistant to common digestive enzymes. Inspired by the hypothesis that this ability may be conferred by symbiotic microbes, we utilized a simple assay to detect keratinase activity and a method to screen gut bacteria for candidate enzymes, which were isolated from feather-fed larvae. The isolation of DNA from keratin-degrading bacterial strains followed by de novo genome sequencing resulted in the identification of a novel bacterial strain related to Bacillus sp. FDAARGOS_235. Genome annotation identified 20 genes with keratinase domains. Proteomic analysis of the culture supernatant from this gut bacterium grown in non-nutrient buffer supplemented with feathers revealed several candidate enzymes potentially responsible for keratin degradation, including a thiol-disulfide oxidoreductase and multiple proteases. Our results suggest that the unusual diet of T. bisselliella larvae promotes their association with keratinolytic microorganisms and that the ability of larvae to feed on keratin can at least partially be attributed to bacteria that produce a cocktail of keratin-degrading enzymes.

| S-EPMC7563610 | biostudies-literature

De Novo Genome Assembly and Annotation for the Synanthropic Webbing Clothes Moth (Tineola bisselliella): A Globally Distributed, Economically Important Pest.

Project description:Tineola bisselliella, the webbing clothes moth, is an economically important, globally distributed synanthropic pest species and member of the basal moth lineage Tineidae. These moths are facultatively keratinophagous, and their larvae can cause extensive damage, particularly to clothing, textiles, and museum specimens. Despite the economic and phylogenetic importance of T. bisselliella, there is a lack of quality genomic resources for this, or for other species within the Tineidae family. The T. bisselliella genome assembly presented here consists of 30 pseudochromosomes (29 autosomes and 1 Z chromosome) produced using synteny alignment of a preliminary contig-level assembly (256 contigs) to a closely related species, Tinea pellionella. The resulting final pseudochromosome-level assembly is 243.630 Mb and has an N50 length of 8.708 Mb. The assembly is highly contiguous and has similar or improved quality compared to other available Tineidae genomes, with 93.1% (91.8% single copy and 1.3% duplicated) of lepidopteran orthologs complete and present. Annotation of the pseudochromosome-level genome assembly with the transcriptome we produced ultimately yielded 11,259 annotated genes. Synteny alignments between the T. bisselliella genome assembly and other Tineidae genomes revealed evidence for numerous small rearrangements with high synteny conservation. In contrast, a synteny alignment performed between T. bisselliella and Melitaea cinxia, which is thought to have retained the ancestral karyotype (n = 31), revealed a fusion of the ancestral autosome 30 and Z chromosome that led to a reduction in T. bisselliella karyotype size. The reference quality annotated genome for T. bisselliella presented here will advance our understanding of the evolution of the lepidopteran karyotype by providing a chromosome-level genome for this basal moth lineage and provide future insights into the mechanisms underlying keratin digestion in T. bisselliella.

| S-EPMC11662235 | biostudies-literature

Snail ChIP-chip on Ciona intestinalis embryo (early gastrula)

Project description:A genomic overview of in vivo binding of a transcription factor Snail in the ascidian early gastrula embryo.

2010-03-09 | GSE17691 | GEO