Anguilla anguilla and Homarus americanus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA208504 | ENA |
REPOSITORIES: ENA
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Project description:The American lobster, Homarus americanus, is not only of considerable economic importance but has also emerged as a pivotal model in neuroscience research. Neuropeptides, an important class of cell-to-cell signaling molecules, play crucial roles in a wide array of physiological and psychological processes. In light of the recently sequenced high-quality draft genome of the American lobster, our study sought to profile the neuropeptidome in this model organism. Employing advanced mass spectrometry techniques alongside functional genomic analysis, we identified 24 neuropeptide precursors and 101 unique mature neuropeptides in Homarus americanus. Intriguingly, 67 of these neuropeptides were discovered for the first time. Our findings offer a comprehensive overview of the peptidomic attributes of the lobster's nervous system and highlight the tissue-specific distribution of these neuropeptides. Collectively, this research not only enriches our understanding of the neural complexities of the American lobster but also sets a foundational basis for future investigations into the functional roles that these peptides play in crustacean species.
2024-04-27 | PXD047230 | Pride
Project description:Transcriptional profiling of larval stage I - IV of Homarus americanus, for assessment of stage specific developmental gene expression. Individuals from each stage were gathered in July of 2009 and 2010. A reference design was used to permit comparison of all stages. Study aims included assessment of global gene expression of larval development of healthy larvae, and identifying novel molecular pathways involved in H. americanus development.
2013-12-31 | GSE45683 | GEO
Project description:In marine species experiencing intense fishing pressures, knowledge of genetic structure and local adaptation represent a critical information to assist sustainable management. In this study, we performed a landscape genomics analysis in the American lobster to investigate the issues pertaining to the consequences of making use of putative adaptive loci to reliably infer population structure and thus more rigorously delineating biological management units in marine exploited species. Toward this end, we genotyped 14,893 single nucleotide polymorphism (SNPs) in 4190 lobsters sampled across 96 sampling sites distributed along 1000 km in the northwest Atlantic in both Canada and the USA. As typical for most marine species, we observed a weak, albeit highly significant genetic structure. We also found that adaptive genetic variation allows detecting fine-scale population structure not resolved by neutral genetic variation alone. Using the recent genome assembly of the American lobster, we were able to map and annotate several SNPs located in functional genes potentially implicated in adaptive processes such as thermal stress response, salinity tolerance and growth metabolism pathways. Taken together, our study indicates that weak population structure in high gene flow systems can be resolved at various spatial scales, and that putatively adaptive genetic variation can substantially enhance the delineation of biological management units of marine exploited species.
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Project description:A transcriptomic analysis of American lobster (Homarus americanus) immune response during infection with the bumper car parasite Anophryoides haemophila
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