HOLOTHURIA ATRA PDF

admin

Holothoria atra, is a holothurian of order Aspidochirotes belonging to the family Description a Sea Cucumber Species Holothuria atra Jaeger, from. Native range | All suitable habitat | Point map | Year This map was computer-generated and has not yet been reviewed. Holothuria atra AquaMaps Data. Holothuria (Holothuria) atra Jaeger, AphiaID. (urn:lsid: :taxname). Classification. Biota; Animalia.

Author: Dodal Nikolar
Country: Uzbekistan
Language: English (Spanish)
Genre: Medical
Published (Last): 26 March 2014
Pages: 198
PDF File Size: 12.62 Mb
ePub File Size: 15.30 Mb
ISBN: 539-4-78132-559-9
Downloads: 78522
Price: Free* [*Free Regsitration Required]
Uploader: Totilar

The antiviral activity was defined as the percentage of plaque inhibition as follows:. The antiviral activity was defined as the percentage of plaque inhibition as follows: Study on antivirus effect of fucoidan in vitro. Two selective novel triterpene glycosides from sea cucumber, Telenota Ananas: Zoogeography and systematic of holothurians holoturia for Beche-de-mer in India, Proc.

IUCN Red List of Threatened Species

The cell inhibition was determined from the extract concentration ranged from 0. Based on this fact, Japanese scientists have patented their scientific findings regarding the potential use of sea cucumber chondroitin sulfate to inhibit human immunodeficiency virus HIV infection Beutler et al. Isolation of shignoid bases of sea cucumber cerebrosides and their cytotoxic activity against hokothuria cancer cells.

V Isolation and structure of cerebrosides from the sea cucumber Pentacta australis Liebigs.

Holothuria atra

The active fractions collected were observed for antimicrobial activity. It could be predicted that high molecular weight compounds present in Holothuria atra detected by NMR analysis could form a potent antiviral sources Additional file 1. A constriction appears, becomes deeper and deeper and after some time the integument separates leaving two relatively wide but short individuals.

Percentage cell inhibition and characterization of cell line exposed to Holothuria atra using tryphan blue.

Studies on sterol sulfate, sterol glycoside and cerebroside of sea cucumber Stichopus japonicus. Specimens of this species are conspicuous and common, lying exposed on sand holothkria of sandy or sand-covered rocky areas, sea grass beds, and among corals at depths from near the surface to about 20 m. SJG-1 possessed a sialic acid, nonhydroxy fatty acids and phytosphingosine-type long chain bases as major ceramide components.

  EQUILIBRIO HIDROELECTROLITICO PDF

It also showed the appearance of two carbon signals. The species may be misidentified as Holothuria leucospilota, which is very similar. The skin portion was peeled off and stored in methanol in separate containers.

After washing the column with same solvents, the sample 3 to 5 ml was poured and then eluted with methanol: In the Pacific Islands, Holothuria atra is collected by diving or by wading at low tide, and used for human consumption; its commercial value, however, is low. Inhibitory action of Holothuria atra extracts against HSV strains -?

Holothuria atra is an omnivoresifting through the sediment with its tentacles and feeding on detritus and other organic matter. It is the type species of the subgenus. Some holothurians from Guam and vicinity.

Small specimens tend to have a thin coating of sand with open patches of black skin showing through, large specimens are seen either with no sand covering or with a thick unbroken covering above. Free sterol compositions from the sea cucumbers Pseudostichopus trachus, Holothuria Microtele nobilis, Holothuria scabra, Trochostoma orientale and Bathyplotes natans.

They have been found in the body wall mucus Hisamatsu et al. Controls were blank discs impregnated with solvent. The Black Sea Cucumber, the most commonly encountered holothurian in Qatar, is an omnivore feeder, sifting through the sediment with its tentacles and feeding on detritus and other organic matter while at the same time ingesting sand grains.

Bioorg Med Chem Lett. The compounds were identified by comparison with the standards. Holothuria atra Jaeger, [2]. No Name of the compound Molecular formula M. Previous work showed that sulphated polysaccharides such as glycosaminoglycans an inhibitor of human immunodeficiency virus binds to T lymphocytes and showed antiviral activity Toido et al. The spectra were obtained using the standard Bruker software. Similarly the inhibitory action of extracts were found against the HSV-1 and HSV-2 strains was analyzed by plaque reduction assay.

  JASON MITTELL NARRATIVE COMPLEXITY PDF

Qatar e-Nature – Holothuria atra

The mouth is on the underside at one end and is surrounded by a fringe of 20, black, branched tentacles. The online version of this article doi: Silica mesh gel slurry was prepared using methanol.

Percentage of growth inhibition was identified at different concentration of the extracts. They showed antiproliferative action against the human and murine tumour cell lines Alejandro and Gustafson Cytotoxic and antifungal triterpene glycosides from the Patagonian sea cucumber Hemoiedema spectabilis. Similarly the inhibitory effects of Herpes simplex virus 1 and 2 cells were detected using the plaque reduction assay.

It was placed in the subgenus Halodeima by Pearson in holohhuria, making its full scientific name Holothuria Halodeima atra. Marine pharmacology in Fuscocineroside C bioactive compound obtained from sea cucumber Holothuria fuscocinerea a triterpene glycoside showed cytotoxic nature against human cancer cells Zhang et al.

Retrieved 14 January The GC column dimension was: Hklothuria can continue searching for Holothuria atra on one of these Web sites:. Toxic red fluid is released from the skin on rubbing. In India, about species of holothurians are known of which 75 species are from shallow waters within 20 m depths Cuvillier Bioactive triterpene glycosides from the sea cucumber Holothuria fuscocinerea.

Subscribe US Now