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Coral metagenome

ABSTRACT: Bacterial communities of two color morphs of the Hawaiian reef coral, Montipora capitata

PROVIDER: PRJNA261973 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR1585283.fastq.gz	Fastqsanger.gz
	SRR1585285.fastq.gz	Fastqsanger.gz
	SRR1613282.fastq.gz	Fastqsanger.gz
	SRR1613273.fastq.gz	Fastqsanger.gz
	SRR1613284.fastq.gz	Fastqsanger.gz

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De novo metatranscriptome assembly and coral gene expression profile of Montipora capitata with growth anomaly

Project description:Purpose: There is a dearth of knowledge regarding the molecular pathology of growth anomaly in corals. We investigated the gene expression profile of Montipora capitata metatranscriptomes from healthy and diseased (growth anomaly) coral colonies to elucidate differentially expressed genes. Methods: mRNA profiles of coral tissue (including symbionts) were generated from three different tissue states: healthy, affected and unaffected. Healthy tissue was collected from coral colonies not affected by growth anomaly. Affected tissue was collected from coral growth anomaly lesions. Unaffected tissue was collected from coral colonies affected by growth anomaly.

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Population wide metabolomic analysis identifies peptide polymers as markers of coral stress independent of genotype

Project description:Effective coral conservation depends on understanding how stress impacts reef biology and health. Coral bleaching varies widely across individuals, yet its dependence on the genetic background of coral animals is poorly understood. Given this knowledge gap, we strove to identify genotype-independent metabolite markers of stress in two Hawaiian coral species, Montipora capitata and Pocillopora acuta. After exposure to thermal and pH stress, we used untargeted metabolomic profiling to investigate the physiological response of different coral genotypes (and ploidies) of each species. Our previous studies showed that dipeptides correlate with stress, and we found these metabolites showed a consistent response across different genotypes and ploidies. We further explored dark metabolites that are stress-responsive, and our tandem mass spectrometry (LC-MS2) results suggest that these candidates are larger tri- and tetrapeptides. Our results identify short peptides as critical intermediates in the coral stress response which provide diagnostic biomarkers for field applications.

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Proteomics of coral susceptibility to bleaching

Project description:Twelve coral colonies of Montipora capitata were collected from patch reefs located in Kāne’ohe Bay, O’ahu, Hawai’i. Colonies were brought to shore where they were immediately split into two equally sized pieces, which were acclimated before bleaching. Half of each colony went to an increased water temperature treatment (30°C, bleaching treatment) and the other stayed at ambient temperature (25°C, nonbleached treatment) for three weeks. For the bleaching treatment, experimental tank temperatures were increased 2°C per day ( 1°C every 12 hours) for four days to a final temperature of 30°C. Samples were collected before bleaching (T1) and 24 hours after bleached colonies were returned to ambient temperature (T2), through 3 months post-bleaching (T6).

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Coral color morphs exhibit distinct microbial and proteomic profiles linked to stress and immune mechanisms in a changing ocean

Project description:Coral species often display a variety of color morphs, yet, key biological and ecological implications of such phenotypic variation remain underexplored. Here we present the first proteomic and untargeted lipidomic and metabolomic survey to explore the biological characteristics and potential ecological significance of different color morphs (pink and brown) of healthy Pocillopora verrucosa sampled along a latitudinal gradient

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coral metagenome

Project description:Bacterial communities of healthy and diseased Montipora capitata

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jaMonCapi

Project description:Montipora capitata (rice coral)

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Can we integrate different layers of coral multi-omics data

Project description:Generation of proteomic data from coral nubbins collected from a single Montipora capitata colony in Kaneohe Bay, Hawaii. Over a five-week period, the coral nubbins collected were exposed to ambient and thermal stress conditions, with data generated at three key time points designed to capture the response of the corals to bleaching. Additionally, nubbins from each wild colony were flash frozen directly from the field.

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Differential proteomic response to bleaching in coral tissue versus skeletal matrix

Project description:On August 22 – 25, 2017, 3 colonies of Montipora capitata with a diameter of ~ 24 cm were collected from the inner lagoon surrounding the Hawaii Institute of Marine Biology (HIMB). The corals were acclimated in outdoor flow-through tanks at HIMB that were supplied with ambient seawater and covered with shade-cloth to mimic PAR levels on the reef. Each colony was split in half with a hammer and chisel to produce two colonies of identical genotype, so that each genotype would experience both ambient and increased temperatures. On August 28 - 29, the corals were equally divided among the experimental tanks, at ambient (n=3) or increased (n=3) temperature. Throughout the temperature treatment, corals were randomly rotated among tanks to minimize potential tank effects. On September 1, the temperature in the increased temperature tanks was turned up 2°C per day, 1°C at 0900 and 1°C at 1400, for four days, reaching an average temperature of 30 °C. The ambient tanks averaged 25 °C. On September 26, the heaters were turned off and the temperature returned to ambient levels by Sept. 29.

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