Download fulltext pdf verification of fractal growth models of the sponge haliclona oculata porifera with transplantation experiments article pdf available in marine biology 11. Hepatitis monthly selective toxicity of persian gulf sea. Highlights methanol extract of marine sponge haliclona oculata was lethal to brugia malayi. Growth efficiency and carbon balance for the sponge haliclona oculata. Haliclona oculata, a marine demospongiae belonging to order haplosclerida, family chalinidae, is a soft rosybrown to yellowbrown branching sponge with small mouthlike openings that cigarshaped oxeas, mammiform elevations, stylote or strongylote forms, and laterally compressed branches. Sponges are classified according to the type of spicule little spike.
Remains of sponges can be found along the shoreline. Antifilarial activity of marine sponge haliclona oculata. The test samples were active in both primary and secondary in vivo. Marine drugs free fulltext isolation and identification. Diversity of sponges examine preserved, representative sponges. However, only 32 of them compounds 2 were from seven classified haliclona species including h. Media in category haliclona the following 21 files are in this category, out of 21 total. Bioactive nitrogenous secondary metabolites from the marine. Sponge epizoism in the caribbean and the discovery of new plakortis and haliclona species, and polymorphism of xestospongia deweerdtae porifera. Several common phylotypes belonging to chlamydiae, tm6, actinobacteria, and betaproteobacteria were detected in all sponge samples. Biodiversity heritage library about help faq bhl store. Verification of fractal growth models of the sponge haliclona.
Selective toxicity of persian gulf sea cucumber and. Haliclona haliclona urceolus haliclona haliclona urceolus. Phan van kiem, nguyen thi viet thanh, dan thi thuy hang, nguyen thi cuc, nguyen xuan nhiem, pham hai yen, hoang le tuan anh, bui huu tai, do thi thao and chau van minh. Haliclona oculata specimens around the platform died in the same period. Fmib 38477 finger sponge, salem harbor, massachusetts. Thalassia seagrass beds, rocks and hard artificial substrate in shallow water.
Many of the methods used for measuring growth are destructive, such as determining underwater weight, wet weight, and ashfree dry weight. The genus is divided into several subgenera as follows. Halichondria oculata linnaeus, 1759 haliclona oculata linnaeus, 1759 isodictya grantii bowerbank, 1866 isodictya pygmaea bowerbank, 1866 siphocalina oculata spongia cespitosa rafinesque, 1818 spongia coalita muller, 1776 spongia lanuginosa esper, 1794 spongia oculata sensu pallas, 1766 spongia oculata linnaeus, 1759. Verification of fractal growth models of the sponge haliclona oculata porifera with transplantation experiments. Haliclona haliclona oculata, sometimes known by the common name mermaids glove, is a species of sea sponges that is found in depths of around 1,000 m. Pdf verification of fractal growth models of the sponge. This is a northern species and is well distributed on both sides of the northern atlantic. As many as 103 alkaloid secondary metabolites have been isolated and characterized from haliclona sponges since 1994. Chemical investigation of the marine sponge haliclona oculata resulted in the isolation of eight new compounds including oculatol 1 and oculatolide 2 and six unusual anor steroids, 2ethoxycarbonyl2. Haliclona oculata pallas, 1766 mermaids glove horny sponge other english common names.
Haliclona sigmadocia caerulea, introduced marine species of. Bioactive nitrogenous secondary metabolites from the. National biodiversity network mapping facility, data for uk. Modelling genetic regulation of growth and form in a. Pdf the interest in sponges has increased rapidly since the discovery of potential new. An haliclona oculata in uska species han porifera nga syahan ginhulagway ni peter simon pallas hadton 1766. It occurs in shallow subtidal, occasionally intertidal habitats. Flagellated sigma of mycale naviculina diversisigmata van soest, 1984, a sigma type. Another interesting group of compounds are 18 carboline derivatives, manzamine ac, having potent antitumor activity from a sponge haliclona sp. Haliclona sigmadocia caerulea, introduced marine species. Institute of marine biochemistry, vietnam academy of. Cytotoxic constituents from vietnamese marine sponge. The free sterols were the main sterol fraction, while steryl esters occurred in traces and we succeeded to identify them only in h.
The marine sponge haliclona simulans collected from the irish sea yielded two new steroids. The exaggeratedly bushy, muchbranched, forms seem to be typical of estuarine or strong current conditions. The ectosomal skeleton rests very loosely on the choanosomal skeleton, and is therefore easily peeled off, but consequently also easily damaged or lost. Bhl relies on donations to provide free pdf downloads and other services.
Growth efficiency and carbon balance for the sponge haliclona oculata article pdf available in marine biotechnology 123. Humphreys 1963 and moscona 1963 showed that prolonged washing of sponge tissues with a ca2. It prefers rocks in places exposed to tidal currents. Seasonal growth rate of the sponge haliclona oculata ncbi. Information and translations of haliclona in the most comprehensive dictionary definitions resource on the web. In some pacific areas, haliclona caerulea has been reported to live in symbiosis with the calcareous algae jania adherens in shallow rocky ecosystems. He reports this species as common on pilings and mangrove roots, as well as in a sandy turtle grass bed. Smithsonian tropical research institutehaliclona caerulea. Haliclona oculata inasmuch as the supernatant fluid from microciona cells would. From the finger sponge, haliclona oculata linnaeus, six new polar sterols have been isolated and their structures. With this model some aspects of the growth process can be explained. Download fulltext pdf verification of fractal growth models of the sponge haliclona oculata porifera with transplantation experiments article pdf. Haliclona haliclona oculata linnaeus, 1759 finger sponge or eyed sponge.
It has long been known that sponge cells exhibit specific reaggregation wilson, 1907, manifested by the production from mixed cell suspensions of separate aggregates containing cells originating from one species only. Oscules are small and arranged in rows along the branches. Haliclona haliclona oculata pallas, 1766 is an elegantly branching, soft sponge with a rosebrown or yellowbrown colour. Promoting activity of extracellular materials on sponge cell reaggregation. One of the steroids possesses an unusually short hydrocarbon side chain. Modelling growth forms of the sponge haliclona oculata porifera. Chloroform fraction was most effective antifilarial both in vitro and in vivo. Haliclona oculata linnaeus, 1759 accepted, alternate representation subgenus assignment isodictya grantii bowerbank, 1866 genus transfer and junior synonym isodictya pygmaea bowerbank, 1866 genus transfer and junior synonym. Hostspecific microbial communities in three sympatric. The branching is usually dichotomous, and the branches are simple or coalescent, cylindrical in cross section.
Haliclona oculata, a marine demospongiae belonging to order haplosclerida, family chalinidae, is a soft rosybrown to yellowbrown branching sponge with small mouthlike openings that cigarshaped oxeas, mammiform elevations, stylote or strongylote forms, and lateral ly compressed branches 14. Members of the class demospongiae are hermaphroditic. The widespread order haplosclerida is a prime example due to limited and plastic morphological features. The branching is usually dichotomous, and the branches. The structures were elucidated using nuclear magnetic resonance spectroscopy and. Oculatol, oculatolide, and anor sterols from the sponge. With this model some aspects of the growth process. Bowerbank, 1866 species overview haliclona gellius angulata bowerbank, 1866 is a massively encrusting pale pink sponge, occasionally with fistular processes on the irregular and easily detachable upper surface. In our study a strong positive correlation p free sterols were the main sterol fraction, while steryl esters occurred in traces and we succeeded to identify them only in h. At burntcoat head they occupy the surrounding coastal area. Novel sterols from the finger sponge haliclonaoculata. Seasonal growth rate of the sponge haliclona oculata.
Annali del museo civico di storia naturale giacomo doria 1958. Haliclona haliclona oculata is well characterized morphologically by its compressed, solid branches and the linear arrangement of the small oscules on the narrower sides of the branches. Growth efficiency and carbon balance for the sponge haliclona. An haliclona oculata in nahilalakip ha genus nga haliclona, ngan familia nga chalinidae. Read verification of fractal growth models of the sponge haliclona oculata porifera with transplantation experiments, marine biology on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Marine sponge genus haliclona, one of the most prolific sources of natural products, contains over 600 species but only a small part of them had been classified and chemically investigated. In our study a strong positive correlation p oculata table 2. In this model material is added in layers to the object, and growth velocities attain highest values at its protrusions. Pdf growth efficiency and carbon balance for the sponge. A possible mechanism for this process is the specific adhesion of cell surfaces. Short communication two new marine sponges of the genus.
The radiateaccretive growth process of the spongehaliclona oculata, under different environmental conditions, is simulated in a twodimensional model with. Haliclona haliclona oculata is found in the north atlantic ocean and. Flagellosigma, the characteristic feature of haliclona flagellia subgen. Haliclona occulata misspelling of species name grant, 1841. Furthermore, since it is a sessile, filterfeeding animal, its physical and nutritive environment. Cryptic species are widespread across the phylum porifera making the identification of nonindigenous species difficult, an issue not easily resolved by the use of morphological characteristics. Extracts showed lethality to both adult worm and mf in vitro and in vivo. Haliclona oculata pallas, 1766 tsn 47779 unique identifier. Spongia cladonia cladonian sponge haliclona oculata pallas. Cytotoxic constituents from vietnamese marine sponge haliclona oculata linnaeus, 1759 volume.
Two new marine sponges, haliclona haliclona tonggumiensis n. Haliclona oculata, a marine demospongiae belonging to order haplosclerida, family chalinidae, is a soft rosybrown to yellowbrown branching sponge with small mouthlike openings that cigarshaped oxeas, mammiform elevations, stylote or strongylote forms. Phan van kiem, nguyen thi viet thanh, dan thi thuy hang, nguyen thi cuc, nguyen xuan nhiem, pham hai yen, hoang le tuan anh, bui huu tai, do thi thao and chau van minh affiliation. Seasonal growth and reproduction of an intertidal sponge. In this study, the one haliclona species present also had higher respiration rates, which were in the same range as found in this study. Media in category haliclona oculata the following 5 files are in this category, out of 5 total. Volumetric growth rate of haliclona oculata showed a seasonal trend with the highest. Flagellia, a new subgenus of haliclona porifera, haplosclerida. Marine sponges yale peabody museum yale university. Hostspecific microbial communities in three sympatric north. Annali del museo civico di storia naturale giacomo doria 1958 18224302349. Kaandorp department of computer science, institute of taxonomic zoology university of amsterdam kruislaan 403 nl1098 sj amsterdam the netherlands abstract the radiateaccretive growth process of the sponge haliclona oculata, under different environmental conditions, is simulated in a twodimensional model with fractal modelling techniques. The skeletal architecture is rather variable, due to the high variation in the amount of spongin, but still characteristic.
The zygote develops into parenchymella larva free swimming before settling down on a substrate where it grows into a young sponge ref. Selective toxicity of persian gulf sea cucumber holothuria. In some haliclona species haliclona simulans, the spicules in the growth layers are arranged in triangles, and in h. The activity was localized in a chromatographic fraction of chloroform fraction. Promoting activity of extracellular materials on sponge. There are a great number of species in this group including haliclona oculata. Volumetric growth rate of haliclona oculata showed a seasonal trend with the highest average specific growth rate measured in may. Promoting activity of extracellular materials on sponge cell. Ang haliclona oculata sakop sa kahenera nga haliclona sa kabanay nga chalinidae.
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