Thitarodes pui
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA239809 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR1182278_1.fastq.gz | Fastqsanger.gz | |||
| SRR1182278_2.fastq.gz | Fastqsanger.gz | |||
| SRR1289560.fastq.gz | Fastqsanger.gz | |||
| SRR1289570.fastq.gz | Fastqsanger.gz | |||
| SRR1289576.fastq.gz | Fastqsanger.gz |
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Project description:Thitarodes pui Transcriptome or Gene expression
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Project description:Thitarodes armoricanus Transcriptome or Gene expression
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Project description:Thitarodes jiachaensis Transcriptome or Gene expression
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Project description:<p>Parasites can manipulate host behavior to facilitate parasite transmission. One such host-pathogen interaction occurs between the fungus Ophiocordyceps sinensis (O. sinensis) and the ghost moth Thitarodes xiaojinensis. O. sinensis is involved in the mummification process of infected host larvae. However, the underlying molecular and chemical mechanism for this phenomenon is unknown. We characterized the small molecules regulating host behavior and the altered metabolites in infected and mummified host larvae. Lipid-related metabolites, such as phosphatidylcholine (PC) were identified in infected and mummified larvae. Decreased levels of the neurotransmitter acetylcholine (ACh) and elevated choline levels were observed in the brains of both the infected and mummified larvae. The aberrant activity of acetylcholinesterase (AChE) and relative mRNA expression of ACE2 (acetylcholinesterase) may mediate the altered transformation between ACh and choline, leading to the brain dysfunction of mummified larvae. Caspofungin treatment inhibited the mummification of infected larvae and the activity of AChE. These findings indicate the importance of ACh in the mummification of host larvae after O. sinensis infection.</p><p><br></p><p><strong>Metabolome data</strong> is reported in the current study <a href='https://www.ebi.ac.uk/metabolights/MTBLS9929' rel='noopener noreferrer' target='_blank'><strong>MTBLS9929</strong></a>.</p><p><strong>Lipidome data</strong> is reported in <a href='https://www.ebi.ac.uk/metabolights/MTBLS9930' rel='noopener noreferrer' target='_blank'><strong>MTBLS9930</strong></a>.</p>
2024-08-05 | MTBLS9929 | MetaboLights
Project description:<p>Parasites can manipulate host behavior to facilitate parasite transmission. One such host-pathogen interaction occurs between the fungus Ophiocordyceps sinensis (O. sinensis) and the ghost moth Thitarodes xiaojinensis. O. sinensis is involved in the mummification process of infected host larvae. However, the underlying molecular and chemical mechanism for this phenomenon is unknown. We characterized the small molecules regulating host behavior and the altered metabolites in infected and mummified host larvae. Lipid-related metabolites, such as phosphatidylcholine (PC) were identified in infected and mummified larvae. Decreased levels of the neurotransmitter acetylcholine (ACh) and elevated choline levels were observed in the brains of both the infected and mummified larvae. The aberrant activity of acetylcholinesterase (AChE) and relative mRNA expression of ACE2 (acetylcholinesterase) may mediate the altered transformation between ACh and choline, leading to the brain dysfunction of mummified larvae. Caspofungin treatment inhibited the mummification of infected larvae and the activity of AChE. These findings indicate the importance of ACh in the mummification of host larvae after O. sinensis infection.</p><p><br></p><p><strong>Lipidome data</strong> is reported in the current study <a href='https://www.ebi.ac.uk/metabolights/MTBLS9930' rel='noopener noreferrer' target='_blank'><strong>MTBLS9930</strong></a>.</p><p><strong>Metabolome data</strong> is reported in <a href='https://www.ebi.ac.uk/metabolights/MTBLS9929' rel='noopener noreferrer' target='_blank'><strong>MTBLS9929</strong></a>.</p>
2024-08-05 | MTBLS9930 | MetaboLights
Project description:Transcriptome of Thitarodes xiaojinensis
| PRJNA270787 | ENA
Project description:BackgroundLepidoptera encompasses more than 160,000 described species that have been classified into 45-48 superfamilies. The previously determined Lepidoptera mitochondrial genomes (mitogenomes) are limited to six superfamilies of the lineage Ditrysia. Compared with the ancestral insect gene order, these mitogenomes all contain a tRNA rearrangement. To gain new insights into Lepidoptera mitogenome evolution, we sequenced the mitogenomes of two ghost moths that belong to the non-ditrysian lineage Hepialoidea and conducted a comparative mitogenomic analysis across Lepidoptera.ResultsThe mitogenomes of Thitarodes renzhiensis and T. yunnanensis are 16,173 bp and 15,816 bp long with an A + T content of 81.28 % and 82.34 %, respectively. Both mitogenomes include 13 protein-coding genes, 22 transfer RNA genes, 2 ribosomal RNA genes, and the A + T-rich region. Different tandem repeats in the A + T-rich region mainly account for the size difference between the two mitogenomes. All the protein-coding genes start with typical mitochondrial initiation codons, except for cox1 (CGA) and nad1 (TTG) in both mitogenomes. The anticodon of trnS(AGN) in T. renzhiensis and T. yunnanensis is UCU instead of the mostly used GCU in other sequenced Lepidoptera mitogenomes. The 1,584-bp sequence from rrnS to nad2 was also determined for an unspecified ghost moth (Thitarodes sp.), which has no repetitive sequence in the A + T-rich region. All three Thitarodes species possess the ancestral gene order with trnI-trnQ-trnM located between the A + T-rich region and nad2, which is different from the gene order trnM-trnI-trnQ in all previously sequenced Lepidoptera species. The formerly identified conserved elements of Lepidoptera mitogenomes (i.e. the motif 'ATAGA' and poly-T stretch in the A + T-rich region and the long intergenic spacer upstream of nad2) are absent in the Thitarodes mitogenomes.ConclusionThe mitogenomes of T. renzhiensis and T. yunnanensis exhibit unusual features compared with the previously determined Lepidoptera mitogenomes. Their ancestral gene order indicates that the tRNA rearrangement event(s) likely occurred after Hepialoidea diverged from other lepidopteran lineages. Characterization of the two ghost moth mitogenomes has enriched our knowledge of Lepidoptera mitogenomes and contributed to our understanding of the mechanisms underlying mitogenome evolution, especially gene rearrangements.
| S-EPMC3463433 | biostudies-literature