Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1098997 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR28623771_1.fastq.gz | Fastqsanger.gz | |||
| SRR28623771_2.fastq.gz | Fastqsanger.gz | |||
| SRR28623772_1.fastq.gz | Fastqsanger.gz | |||
| SRR28623772_2.fastq.gz | Fastqsanger.gz | |||
| SRR28623773_1.fastq.gz | Fastqsanger.gz |
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Project description:Asparagopsis armata Metagenome
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Project description:The red seaweed, Asparagopsis taxiformis, is a promising ruminant feed-additive with significant anti-methanogenic properties, which could provide a global solution to climate-change. Emerging genomics in this species has provided a strong foundation for in-depth molecular investigations, including proteomics. Here, we investigated the A. taxiformis (L6) proteome of sporophyte and gametophyte (male and female), using soluble and insoluble extraction methods followed by mass spectrometry. A combined total of 741 and 2007 unique non-redundant proteins were identified using genome-derived and transcriptome-derived databases, respectively. Genome-derived proteins were used for further analysis including a relatively large proportion of proteins that were annotated as ion binding proteins (i.e. iron, zinc, manganese, potassium and copper), which may play a role in heavy metal bioremediation. In addition, we identified 44 photosynthesis-related proteins (e.g. phycobilisomes, photosystem I, photosystem II and ATPase) and 58 stress-related proteins (e.g. heat shock proteins and vanadium-dependent haloperoxidases). Forty proteins were predicted to be secreted, supporting a role for them in extracellular activities such as mucilage development and defence. Two Gal-2,6-Sulfurylases II proteins are likely necessary for carrageenan biosynthesis, as well as development of reproductive-associated structures. These findings provide a comprehensive overview of expressed proteins in A. taxiformis (L6) at two different life stages, highlighting the potential of proteomic approaches and warrant further studies for understanding protein functions.
2023-01-26 | PXD035669 | Pride
Project description:Microvesicle generation is an integral part of the aging process of red blood cells in vivo and in vitro. Extensive vesiculation impairs function and survival of red blood cells after transfusion, and microvesicles contribute to transfusion reactions. The triggers and mechanism of microvesicle generation are largely unknown. In this study, we combined morphological, immunochemical, proteomic, lipidomic and metabolomic analyses in order to obtain an integrated understanding of the mechanisms underlying microvesicle generation during storage of red blood cell concentrates. Our data indicate that changes in membrane organization, triggered by altered protein conformation, constitute the main mechanism of vesiculation, and precede changes in lipid organization. The resulting selective accumulation of membrane components in microvesicles is accompanied by the recruitment of plasma proteins involved in inflammation and coagulation. Our data may serve as a basis for further dissection of the fundamental mechanisms of red blood cell aging and vesiculation, for identifying the cause-effect relationship between blood bank storage and transfusion complications, and for assessing the role of microvesicles in pathologies affecting red blood cells.
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Project description:Raw data of the LC-HRMS analysis of Asparagopsis armata and A. taxiformis samples, pertaining to the publication entitled:
Development of a Multiblock Metabolomics Approach to Explore Metabolite Variations of two Algae of the Genus Asparagopsis Linked to Interspecies and Temporal Factors (https://doi.org/10.1016/j.algal.2023.103138)
LC-HRMS analyses were performed with a Vanquish UHPLC system from ThermoScientific (MA, USA) equipped with a Q Exactive Plus mass spectrometer with an electrospray ionization source (negative mode).
MeOH are the injection solvent blanks
Extraction blanks are blank samples extracted in the same way as algal samples.
Pool is a set of samples for analytical drift correction (pool 1-3 and 13-15 are priming pools which are then not included in the analysis)
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