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Metatranscriptomics analysis of Halichondria panicea exposed to hydrocarbons

ABSTRACT: Metatranscriptomics analysis of sponge Halichondria panicea exposed to marine snow, marine oil snow and dispersed oil contaminated seawater.

PROVIDER: PRJEB49864 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR9489140_1.fastq.gz	Fastqsanger.gz
	ERR9489140_2.fastq.gz	Fastqsanger.gz
	ERR9489141_1.fastq.gz	Fastqsanger.gz
	ERR9489141_2.fastq.gz	Fastqsanger.gz
	ERR9489142_1.fastq.gz	Fastqsanger.gz

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Metagenomic Analysis of the Intertidal Welsh sponge, Halichondria panicea

Project description:Halichondria panicea metagenome

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GNPS - MTBLS874: Marine Biodiscovery Ireland 2017 Samples / BDV10021 Halichondria panicea

Project description:The outcomes of this project are to identify bioactive marine natural products from Irish marine life. This specific dataset contains LC-MS/MS spectra from tissue of the marine sponge Halichondria panicea. Files are part of the Metabolights dataset MTBLS874.

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GNPS - MTBLS874: Marine Biodiscovery Ireland 2017 Samples / BDV10039 Halichondria panicea

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Transcriptomics Analysis of the Impacts of Exposure to WAF, CEWAF and BaP on sponge Halichondria panicea (phylum Porifera)

Project description:Exposure of sponge Halichondria panicea to hydrocarbon and dispersant contaminated seawater

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Respiration kinetics and allometric scaling in the demosponge Halichondria panicea.

Project description:BackgroundThe aquiferous system in sponges represents one of the simplest circulatory systems used by animals for the internal uptake and distribution of oxygen and metabolic substrates. Its modular organization enables sponges to metabolically scale with size differently than animals with an internal circulatory system. In this case, metabolic rate is typically limited by surface to volume constraints to maintain an efficient supply of oxygen and food. Here, we consider the linkeage between oxygen concentration, the respiration rates of sponges and sponge size.ResultsWe explored respiration kinetics for individuals of the demosponge Halichondria panicea with varying numbers of aquiferous modules (nmodules = 1-102). From this work we establish relationships between the sponge size, module number, maximum respiration rate (Rmax) and the half-saturation constant, Km, which is the oxygen concentration producing half of the maximum respiration rate, Rmax. We found that the nmodules in H. panicea scales consistently with sponge volume (Vsp) and that Rmax increased with sponge size with a proportionality > 1. Conversly, we found a lack of correlation between Km and sponge body size suggesting that oxygen concentration does not control the size of sponges.ConclusionsThe present study reveals that the addition of aquiferous modules (with a mean volume of 1.59 ± 0.22 mL) enables H. panicea in particular, and likely demosponges in general, to grow far beyond constraints limiting the size of their component modules and independent of ambient oxygen levels.

| S-EPMC10507823 | biostudies-literature

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