Hydractinia echinata
Metamorphosis of Hydractinia echinata (Cnidaria) is caspase dependent
... For each measurement, approximately 100 larvae of Hydractinia echinata were used. The animals were induced for varying times in 116 mM CsCl, washed and harvested two hours later. After stringent washing in ...
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The role of alpha amidated neuropeptides in hydroid development LWamides and metamorphosis in Hydractinia echinata
... A functional knock-out of LWamides in the larva of Hydractinia echinata causes loss of competence for metamorphosis stimulation by otherwise effective bacteria or by CsCl. LWamides added to these animals ...
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Metamorphosis and pattern formation in Hydractinia echinata, a colonial hydroid
... Inl I Dc,' llio! ~n 313 322 (1996) 313 Metamorphosis and pattern formation in Hydractinia echinata, a colonial hydroid MICHAEL WALTHER RITA ULRICH, MICHAEL KROIHER and STEFAN BERKING* Zoologisches Ins[.] ...
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Control of planula migration by LWamide and RFamide neuropeptides in Hydractinia echinata
... of Hydractinia echinata used and their culture were described by Katsukura et ...H. echinata growing on flat scallop shells (5–7·cm in diameter) were maintained in a tank containing about 300 liters ...
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Autoaggressive, multi headed and other mutant phenotypes in Hydractinia echinata (Cnidaria: Hydrozoa)
... hydroid Hydractinia echinata, each F1 mating produced up to 50% F2 offspring displaying an aberrant, clone-constant phenotype, hence referred to as mutant ...
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The cnidarian Hydractinia echinata employs canonical and highly adapted histones to pack its DNA
... H2A.X.2 is strongly expressed in a replication-inde- pendent manner in Hydractinia oocytes (Fig. 5a, b). We could not find additional H2A.X genes in other cnidarians outside of the genus Hydractinia; thus, ...
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Wnt signaling promotes oral but suppresses aboral structures in Hydractinia metamorphosis and regeneration
... Hydractinia echinata colonies were collected from Galway Bay by SCUBA diving. They were cultured in natural seawater at 18°C under 14:10 light:dark regimes and were fed brine shrimp nauplii (Artemia salina) ...
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A polymorphic, thrombospondin domain containing lectin is an oocyte marker in Hydractinia: implications for germ cell specification and sex determination
... Hydractinia echinata colonies, growing on gastropod shells that are inhabited by hermit crabs were collected from 3 different localities: One was on the Island of Sylt, Germany, the second site was Roscoff, ...
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Hydractinia, a pioneering model for stem cell biology and reprogramming somatic cells to pluripotency
... in Hydractinia allows transplantation only between compatible ...In Hydractinia echinata the faster and continuously dividing male primordial germ cells usually outnumber and displace the oogonia ...
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EXTRACTION, UTILIZATION, CHARACTERIZATION AND CONFIRMATION OF THE STRUCTURE OF GORLI OIL FROM THE DRY SEEDS OF THE TRADITIONAL MEDICINAL PLANT CALONCOBA ECHINATA IN SIERRA LEONE
... It has been reported that the oil extracted from seeds of Caloncoba echinata plant of the genus Hydnocarpus sp. (Flacourtiaceae) contains cyclopentyl fatty acid in its structure [24]. This was confirmed from the ...
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Mitochondrial and nuclear genetic analyses of the tropical black-lip rock oyster (Saccostrea echinata) reveals population subdivision and informs sustainable aquaculture development
... Saccostrea echinata (Quoy and Gaimard, 1835), is a tropical marine bivalve that is reported to have broad geographic distribution through- out the Indo-Pacific ...S. echinata due to the success of ...
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Effect of Mercuric Compounds on Pine and Sycamore Germination and Early Survival
... Several authors have investigated the seed develop- mental stage of the plant life cycle and the ways how essential and non-essential metal ions can affect devel- opmental processes in vegetation [12-14]. Plant estab- ...
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Iontophoretic injection of lucifer yellow CH into zygotes and blastomeres of the hydroidHydractinia echinata
... HELGOLJ~NDER MEERESUNTERSUCHUNGEN Helgol~nder Meeresunters. Iontophoresis was carried out on the stage of an inverted microscope in order to follow filling of the inj[r] ...
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Patterning a multi headed mutant in Hydractinia: enhancement of head formation and its phenotypic normalization
... ABSTRACT In a mutant strain of Hydractinia (Cnidaria: Hydrozoa), the polyps develop ectopic supernumerary tentacles and heads (hypostomes) after an initial phase of wild-type growth. In order to elucidate the ...
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Phytochemical Screening And Antimicrobial Sensitivity Of Extracts Of The Traditional Medicinal Plant Caloncoba Echinata In Sierra Leone
... Caloncoba echinata plant in Sierra ...Caloncoba echinata thus confirming the use of the fruit pulp as a milk substitute for infants in Sierra Leone and as one of the food resources for monkeys and ...
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Working mechanism of adsorbed water on the vibrational properties of wood impregnated with extractives of pernambuco (Guilandina echinata Spreng.)
... Water-soluble extractives of pernambuco (hereafter re- ferred to as extractives), wood meal of pernambuco before and after extraction (weight loss 13.5%), wood meal of sitk[r] ...
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Vibrational property changes of spruce wood by impregnation with water-soluble extractives of pernambuco (Guilandina echinata Spreng.)
... The loss tangent (tan6) of the impregnated specimen decreased, up to nearly a half of its original value, with increasing weight gain. It is suggested that the dec[r] ...
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Getting around when you’re round: quantitative analysis of the locomotion of the blunt spined brittle star, Ophiocoma echinata
... Thirteen blunt-spined brittle stars [Ophiocoma echinata (Lamarck 1816)] measuring 7.7–11.6cm from the tip of the longest limb to the center of the body disk were collected from the waters of Southwater Caye, ...
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Isolation, Phylogenetic Analysis of the Microbial Community Associated with the Red Sea Sponge Ircinia Echinata and Biological Evaluation of their Secondary Metabolites
... Ircinia echinata in in order to explore their different secondary metabolites of biological activity and to characterize their potential as antioxidant and ...
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Vibrational property changes of spruce wood by impregnation with watersoluble extractives of pernambuco (Guilandina echinata Spreng.) II: structural analysis of extractive components
... Moreover, we examined the vibrational property changes in the wood specimens impregnated with the main extractive components of pernambuco.. It is important for elucida[r] ...
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