Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1056117 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR27431305_1.fastq.gz | Fastqsanger.gz | |||
| SRR27431305_2.fastq.gz | Fastqsanger.gz | |||
| SRR27431306_1.fastq.gz | Fastqsanger.gz | |||
| SRR27431306_2.fastq.gz | Fastqsanger.gz | |||
| SRR27431307_1.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 5 of 29 |
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Project description:Cladocopium goreaui strain:CCMP2466 Raw sequence reads
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Project description:Genome and transcriptome long-read sequencing for symbiotic dinoflagellate Cladocopium goreaui SCF055
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Project description:Transcriptional responses to heat stress were assayed in early life-history stages of 11 crosses between and amongst Acropora tenuis colonies originating from reefs along the Great Barrier Reef. We identified a single nucleotide polymorphism outlier (Fst=0.89) between populations in the unannotated gene Acropora25324, which exhibited constitutively higher gene expression in populations with dams originating from Curd reef, a far north, warm adapted inshore reef, suggesting an important role of this gene in adaptation to warmer environments. Further, juveniles exposed to heat and in symbiosis with heat-evolved Symbiodiniaceae displayed intermediate transcriptional responses between its progenitor taxa (Cladocopium goreaui) and the more stress tolerant Durusdinium trenchii, indicating that the development of heat tolerance acquisition is potentially a conserved evolutionary process in Symbiodiniaceae. These findings reveal the underlying mechanisms, and for the first time, their relative contribution, of coral responses to climate change and provide a foundation for optimizing conservation methods like assistant gene flow.
2022-07-08 | GSE176051 | GEO
Project description:<p>As a well-known pseudo-persistent environmental pollutant, oxybenzone (BP-3) and its related organic ultraviolet (UV) filters have been verified to directly contribute to the increasing mortality rate of coral reefs. Previous studies have revealed the potential role of symbiotic Symbiodiniaceae in protecting corals from the toxic effects of UV filters. However, the detailed protection mechanism(s) have not been explained. Here, the impacts of BP-3 on the symbiotic Symbiodiniaceae <em>Cladocopium goreaui</em> were explored. <em>C. goreaui</em> cells exhibited distinct cell growth at different BP-3 doses, with increasing growth at the lower concentration (2 mg/L) and rapid death at a higher concentration (20 mg/L). Furthermore, <em>C. goreaui</em> cells showed a significant BP-3 uptake at the lower BP-3 concentration. BP-3 absorbing cells exhibited elevated photosynthetic efficiency, and decreased cellular carbon and nitrogen contents. Besides, the derivatives of BP-3 and aromatic amino acid metabolism highly responded to BP-3 absorption and biodegradation. Our physiological and metabolic results reveal that the symbiotic Symbiodiniaceae could resist the toxicity of a range of BP-3 through promoting cell division, photosynthesis and reprogramming amino acid metabolism. This study provides novel insights into the influences of organic UV filters to coral reef ecosystems, which urgently needs increasing attention and management.</p>
2023-02-21 | MTBLS6890 | MetaboLights
Project description:Urea can serve as nitrogen source for coral holobionts and plays a cruscial role in coral calcification, although the degradation of urea by coral symbionts is not fully understood. In this study, we investigated the urea utilized pathway and the responses of the Symbiodiniaceae family to urea under high temperature conditions. Genome screening revealed that all Symbiodiniaceae species contain the urease (URE) and DUR2 subunit of urea amidolyase (UAD) system. However, only three speciesCladocopium goreaui, Cladopium c92, and Symbiodinium pilosum possess a complete UAD system, including both DUR1 and DUR2. Phylogentic analyses revealed that the UAD system in Symbiodiniaceae clusters more closely with symbiotic bacteria, indicating that horizontal gene transfer of UAD system has occured in coral symbionts. Physiology analysis showed that the symbiodiniacean species Cladocopium goreaui, which containing both URE and UAD, grew better under urea than ammonium conditions, as indicated by higher maximum specific growth rates. Furthermore, most genes of Symbiodiniaceae involved in urea utilization appeared to be stable under various conditions such as heat stress (HS), low light density, and nitrogen deficiency, wheras in ammonium and nitrate transporters were significantly regulated. These relatively stable molecular regulatory properties support sustained urea absorption by Symbiodiniaceae, as evidenced by an increase in δ15N2-urea absorption and the decreases in δ5N-NO3-, and δ15N-NH4+ from cultural environment to Symbiodiniaceae under HS conditions. Token together, this study reveals two distinct urea utilization systems in coral ecosystem and highlights the importance of the urea cycle in coral symbionts when facing fluctuating nitrogen environment in future warming ocean.
2024-09-27 | PXD056312 | Pride
Project description:Samples are from a screening experiment on 5 laboratory cultures of the coral endosymbiont: Symbiodiniaceae (Symbiodinium linuchae, Breviolum psygmophilum, Durusdinium trenchii, Effrenium voratum and Fugacium kawagutii). Samples are also from a thermal stress experiment (increased temperatures from 26 to 32 degrees C) carried out on Durusdinium trenchii and Cladocopium goreaui, two common coral endosymbionts on the Great Barrier Reef. All samples were collected on Markes Tenax TA thermal desorption tubes.
Lawson, C.A., Possell, M., Seymour, J.R., Raina, J.B. and Suggett, D.J., 2019. Coral endosymbionts (Symbiodiniaceae) emit species-specific volatilomes that shift when exposed to thermal stress. Scientific reports, 9(1), pp.1-11.
2019-10-08 | MSV000084436 | MassIVE