Ecological observations on the sea cucumbers holothuria atra and. The present study was conducted to understand the density, biomass, size distribution and habitat preference of the holothurian, holothuria atra, at a protected. The plates were aseptically streaked with the test microorganism using a sterile swab and allowed to dry for a few minutes. Populations of holothuria atra jaeger occurring at wanlitung and nanwan were sampled monthly at spring tide from.
Bioactive compounds from holothuria atra of indian ocean devaraj isaac dhinakaran 0 aaron premnath lipton 0 centre for marine science and technology, manonmaniam sundaranar university, rajakkamangalam, kanyakumari district, tamil nadu 629502, india the sea cucumber holothuria atra extracts have been evaluated for the presence of bioactive. Sequence analysis and hybridization screening of a 16s rdna clone library from the gut content of h. Selain itu juga ditemukan bentuk lainnya yaitu terminal plates, rods, dan rossetes gambar 3. Pdf the sea cucumber holothuria atra extracts have been evaluated for the presence of bioactive compounds and various. Worms world register of marine species holothuria holothuria atra jaeger, additionally, a cerebroside isolated from the sea cucumber stichopus japonicas showed effective antitumor activity hayashi et al. Reproduksi aseksual pada holothuria atra echinodermata di teluk medana, lombok barat. Comparative distribution and habitat preference of the sea. Holothuria atra is an omnivoresifting through the sediment with its tentacles and feeding on detritus and other organic matter. The gcms analysis showed the availability of 59 compounds. Commercially important sea cucumbers of the world fao. Distribution of sea cucumbers, holothuria atra, on reefs in the upper gulf of thailand and the effect of their population densities on sediment microalgal productivity. The abundance of prospective natural food for sea cucumber.
A study of the bacterial flora associated with holothuria atra. Holothuria atra, enhalus acoroides, cymodocea rotundata, baluran national park download pdf download. Promising in vitro cytotoxic compounds such as the calcigeroside b, c1 and c2 identified from the holothurians included triterpene glycosides. In a distributional study of the black sea cu cumbers, holothuria atra jager and h.
Tipe spikula yang mendominasi teripang jenis holothuria atra adalah bentuk table plates yang hampir bisa ditemukan pada seluruh bagian integumentumnya. Holothurian density, distribution and diversity comparing sites with. Holothuria atra, commonly known as the black sea cucumber or lollyfish, is a species of marine. Pdf the sea cucumber holothuria scabra holothuroidea. Fission and its effect on population structure of holothuria atra. Pdf description a sea cucumber species holothuria atra jaeger. Reproductive biology of actinopyga echinites and other. Holothuria atra emits a toxic red fluid when its skin is rubbed or damaged, which is a defense against predators. Bioactive compounds from holothuria atra of indian ocean. Holothuria atra is one of the most common and widest ranging tropical, coral reef sea cucumbers in the world, and here we examine population. The plaques were counted by visual examination and the percentage of plaque inhibition was calculated. Holothuria atra was commonly known as black sea cucumber, or. The gcms analysis revealed the presence of 59 compounds. Pdf bioactive compounds from holothuria atra of indian ocean.
1440 1218 670 323 1491 955 1061 32 173 938 719 563 1635 1055 39 860 44 1226 1570 1322 1135 758 1056 510 31 267 88 1411 95 487 1372 432 42 697 360 1145 1315 267