(n.) A genus of plants of the Ranunculus or Crowfoot family; windflower. Some of the species are cultivated in gardens.
(n.) The sea anemone. See Actinia, and Sea anemone.
Example Sentences:
(1) • young clownfish will lose their ability to "smell" the anemone species that they shelter in.
(2) The sequential resonance assignment of the 1H NMR spectrum of the antihypertensive and antiviral protein BDS-I from the sea anemone Anemonia sulcata is presented.
(3) Veratridine and the sea anemone toxin on one hand as well as veratridine and the scorpion toxin on the other hand are synergistic in their action to stabilize an open and highly permeable form of the sodium channel.
(4) Sea anemones produce a series of toxic polypeptides and proteins with molecular weights in the range 3000-5000 that act by binding to specific receptor sites on the voltage-gated sodium channel of excitable tissue.
(5) The hemolytic toxin (HT), isolated from the sea anemone Stoichactis helianthus, has been conjugated to a MAb directed against carcinoembryonic antigen (CEA), by means of an artificial disulphide bridge.
(6) Tetrodotoxin prevented it when given before, and inhibited it when given after initiation by sea anemone toxin II.
(7) A toxin from the Bermuda anemone Condylactis gigantea causes the early transient conductance change of crayfish giant axon membranes to persist without affecting the shape of its turning-on.
(8) Morphological observations on the V-79-379 A cells after treatment with equinatoxin II (EqT II), isolated from the sea anemone Actina equina L., and fetal calf serum (FCS) treated toxin were examined by transmission electron microscopy.
(9) Toxin I from Anemonia sulcata, a major component of the sea anemone venom, consists of 46 amino acid residues which are linked by three disulfide bridges.
(10) wt 229.5; melting point 285-290 degrees C) is a novel purine isolated and purified from the sea-anemone Bunodosoma caissarum.
(11) 5500 (53 amino acids), isolated from the sea anemone, Anthopleura xanthogrammica (Brandt), elicited a potent positive inotropic effect but without an accompanying chronotropic effect on the isolated cardiac muscles of rat, rabbit, guinea pig and cat.
(12) (iv) Conversely, the sea anemone toxin can only associate with the membrane when the Na+ channel is open for Na+; it does not bind when the channel is previously blocked by tetrodotoxin.
(13) Glucose flux through the shunt was constant at approximately 5 pmol.mg-1.hr-1 in fed anemones at 5 degrees C and 15 degrees C and in fasted anemones at 15 degrees C, indicating apparently near-perfect thermal acclimation of the absolute flux of glucose through the shunt in fed, but not in fasted, anemones.
(14) Through dexterous operation of the Shinkai6500's mechanical arms by pilot Sasaki-san, we quickly began collecting samples of rocks, the hot fluids from the vents, and the creatures thriving around them: speckled anemones with almost-translucent tentacles, and the orange-tinted shrimp scurrying among them.
(15) Application of low concentrations (10(-8) M) of Antho-RIamide I inhibited spontaneous contractions in several muscle groups of sea anemones, whereas Antho-RIamide II was inactive.
(16) In general, the properties of phosphoenolpyruvate carboxykinase from the sea anemone and oyster muscles are similar: the K(m) values for phosphoenolpyruvate are low (0.10 and 0.13mm); the enzymes require Mn(2+) in addition to Mg(2+) for activity; and ITP inhibits the enzymes and the inhibition is relieved by alanine.
(17) Biochemical and biological properties of 30 cytolytic polypeptide toxins isolated from 18 species of sea anemones (Actiniaria) are presented and classified into three groups according to their molecular mass, isoelectric points and the molecular mechanism of action.
(18) Blotted wet weight of anemones under high and low irradiance declined by 50% over eight days of starvation, but there was no significant difference in the rate of weight loss by anemones in the two treatments.
(19) With the aid of 1H nuclear magnetic resonance (NMR) spectroscopy, the three-dimensional structure in aqueous solution was determined for ATX Ia, which is a 46 residue polypeptide neurotoxin of the sea anemone Anemonia sulcata.
(20) DTX had similar potency but lower efficacy in this respect than sea anemone toxin II (ATX II).
Coelenterate
Definition:
(a.) Belonging to the Coelentera.
(n.) One of the Coelentera.
Example Sentences:
(1) Coelenterate and poriferan connective tissues were devoid of these acid polysaccharides.
(2) Many coelenterates can injure human skin by means of their nematocytes.
(3) The system of a related anthozoan coelenterate, the sea pansy Renilla reniformis, however, is oxygen dependent, requiring two organic components, luciferin and luciferase.
(4) A Ca2+-triggered luciferin-binding protein (BP-LH2) from the bioluminescent marine coelenterate, Renilla reniformis, has been purified by conventional methods.
(5) There are various types of photoproteins: the photoproteins of coelenterates, ctenophores and radiolarians require Ca2+ to trigger their luminescence; the photoproteins of the bivalve Pholas and of the scale worm appear to involve superoxide radicals and O2 in their light-emitting reactions; the photoprotein of euphausiid shrimps emits light only in the presence of a special fluorescent compound; the photoprotein of the millipede Luminodesmus, the only known example of terrestrial origin, requires ATP and Mg2+ to emit light.
(6) Glutamate dehydrogenases detected in tissue extracts of a broad sample of coelenterate species all require NADP(H) as a co-substrate, rather than being capable of using either NAD(H) or NADP(H).
(7) Mucus is an ubiquitous polymer hydrogel that functions as a protective coat on the surface of integument and mucosa of species ranging from simple animals (such as coelenterates) to mammals.
(8) In the hydrozoan coelenterate Obelia geniculata, epithelial cell action potentials trigger light emission from photocyte effector cells containing obelin, an endogenous calcium-activated photoprotein.
(9) We studied by immunohistochemistry three cases of delayed envenomation by coelenterates.
(10) These case histories demonstrate that multiple recurrent eruptions may follow solitary envenomations by different subphyla of coelenterates, that the initial eruption induced by the sting may be delayed by the administration of high doses of systemic corticosteroids, and that an immunologic reaction in both the B and T cell systems can follow jellyfish envenomation.
(11) The regeneration of coelenterate photoproteins in this manner probably takes place in vivo, utilizing stored coelenterazine.
(12) At least 100 of the approximately 9,000 species of coelenterates are dangerous to humans.
(13) Hydra viridis (= Chlorohydra viridissima) the freshwater coelenterate, is symbiotic.
(14) Some years ago our laboratory reported that the bioluminescence reaction in the ctenophores which had long eluded definition involved a calcium activated photoprotein similar in many respects to that found in other coelenterates, notably Aequorea.
(15) Skin tumor-promoting agents, including the 12-O-tetradecanoylphorbol-13-acetate (TPA)-type tumor promoters, such as diterpine phorbol esters, teleocidin and aplysiatoxin, and a non-TPA-type tumor promoter (the newly described palytoxin, present in the coelenterate of the genus Palythoa), stimulated arachidonic acid metabolism by rat liver cells in culture.
(16) Their distribution among lipids of a number of species of different classes of coelenterates from the northern and tropical seas, among neutral and polar lipids of these organisms was investigated.
(17) By using immunocytochemistry and radioimmunoassays, several substances resembling vertebrate or invertebrate neuropeptides have been found in the nervous systems of coelenterates.
(18) Sudden death following coelenterate envenomation is not uncommon in Australia where the Pacific box jellyfish is indigenous.
(19) The principal sources of these agents are bacteria, higher fungi, cnidarians (coelenterates) and the venoms of snakes, insects and other arthropods.
(20) The recurrent eruptions appeared several days after the primary exposure without contact with any offending coelenterate.