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Isostichopus badionotus

ABSTRACT: Isostichopus badionotus overview

PROVIDER: PRJNA660856 | ENA |

REPOSITORIES: ENA

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Dataset's files

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			Action	DRS
	SRR12056321_1.fastq.gz	Fastqsanger.gz
	SRR12056321_2.fastq.gz	Fastqsanger.gz
	SRR12056322_1.fastq.gz	Fastqsanger.gz
	SRR12056322_2.fastq.gz	Fastqsanger.gz
	SRR12056323_1.fastq.gz	Fastqsanger.gz

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Transcriptomic analysis of the body wall of farmed sea cucumber Isostichopus badionotus specimens

Project description:These data corresponds to RNA-Seq assays obtained from the body wall of farmed I. badionotus juveniles samples. These raw reads were used to evaluate differential gene expression between wild and farmed Isostichopus badionotus specimens. With this aim, a de-novo transcriptome assembled from wild specimens was used as reference. Further information about de-novo assembled transcriptome is available within the BioProject PRJNA639785.

2020-09-01 | GSE157183 | GEO

Isostichopus badionotus

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Isostichopus badionotus cultivar:Chocochip

Project description:Isostichopus badionotus (de-novo transcriptome assembly and RNA-Seq)

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Transcriptomic analysis of the body wall of farmed sea cucumber Isostichopus badionotus specimens

Project description:Transcriptomic analysis of the body wall of farmed sea cucumber Isostichopus badionotus specimens

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Isostichopus fuscus isolate:PM-IF020

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Ecological and reproductive characteristics of holothuroids Isostichopus badionotus and Isostichopus sp. in Colombia.

Project description:Isostichopus badionotus and Isostichopus sp. are two holothuroids exploited in the Caribbean region of Colombia. Until recently, they were considered a single species. During one year, 222 individuals of Isostichopus sp. and 114 of I. badionotus were collected in two bays of the Santa Marta region to study their reproductive biology and collect information on their size, weight and habitat. Both sea cucumber morphotypes showed an annual reproductive cycle, with a reproductive season from September to November, closely related to the increase in water temperature and rainfall. In both sea cucumbers the population structure exhibited a unimodal distribution composed of mature individuals and a sex ratio of 1:1. Isostichopus sp. had an average size and weight (193 ± 52 mm and 178 ± 69 g) and size and weight at first maturity (175 mm and 155 g) that was much lower than I. badionotus (respectively, 324 ± 70 mm and 628 ± 179 g; 220 mm and 348 g). While 98% of Isostichopus sp. individuals were collected in the upper 2.5 m, on rocky bottoms between cracks, 73% of I. badionotus individuals were found between 3 and 7.8 m depth, exposed on sandy bottoms. These differences imply that management measures (e.g. minimum catch size) should not be the same for both sea cucumbers morphotypes.

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Metagenome

Project description:Microbiota and histology of healthy and skin ulceration diseased cultured sea cucumber Isostichopus badionotus Targeted loci environmental

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Diets containing sea cucumber (Isostichopus badionotus) meals are hypocholesterolemic in young rats.

Project description:Sea cucumber is widely consumed as a putative functional food. It contains many biologically-active substances, but only limited research on its properties in vivo has been done. The effects of different meals containing Isostichopus badionotus, a sea cucumber from southeast Mexico, on growth performance and body lipid profile in young rats were analyzed. Sea cucumber body wall was either lyophilized, cooked (100 °C, 1 h in water) and lyophilized, or oven-dried (70 °C for 12 h). It was then ground and incorporated into cholesterol-containing diets. I. badionotus meals supported growth and improved lipid profile in rats. In particular, serum cholesterol, low density lipoproteins, triglycerides concentration and atherogenic index values were greatly reduced by some I. badionotus containing diets. Liver total lipids, triglycerides and cholesterol were also reduced. Cooking or heat-treatment of the meals lowered but did not abolish their hypolipidemic potency. Gene expression analysis of several key genes involved in cholesterol and lipid metabolism in liver showed that diets containing I. badionotus repressed the induction of key genes associated with dyslipidemia exerted by cholesterol supplementation. Consumption of I. badionotus from the Yucatan Peninsula is beneficial for dyslipidemia, although biological effect is clearly dependent on preparation method.

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Comparative Transcriptomes of the Body Wall of Wild and Farmed Sea Cucumber Isostichopus badionotus.

Project description:Overfishing of sea cucumber Isostichopus badionotus from Yucatan has led to a major population decline. They are being captured as an alternative to traditional species despite a paucity of information about their health-promoting properties. The transcriptome of the body wall of wild and farmed I. badionotus has now been studied for the first time by an RNA-Seq approach. The functional profile of wild I. badionotus was comparable with data in the literature for other regularly captured species. In contrast, the metabolism of first generation farmed I. badionotus was impaired. This had multiple possible causes including a sub-optimal growth environment and impaired nutrient utilization. Several key metabolic pathways that are important in effective handling and accretion of nutrients and energy, or clearance of harmful cellular metabolites, were disrupted or dysregulated. For instance, collagen mRNAs were greatly reduced and deposition of collagen proteins impaired. Wild I. badionotus is, therefore, a suitable alternative to other widely used species but, at present, the potential of farmed I. badionotus is unclear. The environmental or nutritional factors responsible for their impaired function in culture remain unknown, but the present data gives useful pointers to the underlying problems associated with their aquaculture.

| S-EPMC8070510 | biostudies-literature

The complete mitochondrial genome of the chocolate chip sea cucumber <i>Isostichopus badionotus</i> (Echinodermata: Holothuroidea).

Project description:The chocolate chip sea cucumber, Isostichopus badionotus (Selenka 1867), is an ecologically and biomedically important species. In this study, we report the complete mitogenome sequence of the sea cucumber, I. badionotus (Echinodermata: Holothuroidea). The mitochondrial genome consisted of 16,319 bp, with 13 protein-coding genes, 22 tRNA genes, and 2 rRNA genes. The total nucleotide composition consisted of 31.61% A, 29.20% T, 23.48% C, 15.71% G, with a high A + T content of 60.81%. Phylogenetic analysis using the complete mitochondrial genome of I. badionotus is helpful in studying the evolution of beneficial adaptations to aid in bioremediation and biomedical research and development.

| S-EPMC8205044 | biostudies-literature

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