Psychiatry related information on Arbacia

• Critical period of phenytoin teratogenic action in the sea urchin, Arbacia punctulata embryo [1].

High impact information on Arbacia

• Newly synthesized polysomal messenger RNAs from cleavage stage embryos of the sea urchin Arbacia punctulata and Lytechinus pictus that contain putative histone mRNAs have been fractionated on 6% polyacrylamide slab gels [2].
• Resact (Cys-Val-Thr-Gly-Ala-Pro-Gly-Cys-Val-Gly-Gly-Gly-Arg-Leu-NH2), the chemotactic peptide released by sea urchin Arbacia punctulata eggs, is specifically crosslinked to A. punctulata spermatozoan guanylate cyclase [3].
• We isolated cDNAs encoding a 115 kd human atrial natriuretic peptide (alpha ANP) receptor (ANP-A receptor) that possesses guanylate cyclase activity, by low-stringency hybridization with sea urchin Arbacia punctulata membrane guanylate cyclase probes [4].
• Cytochrome oxidase activity via cytochrome c, as demonstrated by the diaminobenzidine procedure, has been employed in this electron microscope cytochemical study to determine the respiratory potency, integrity and fate of the Arbacia sperm mitochondrion at fertilization and during early embryogenesis [5].
• Preliminary data show the presence of hybridizing RNA of the same apparent size in other sea urchin species, including Arbacia punctulata, which does not respond to speract [6].

Biological context of Arbacia

• The pyroantimonate technique was employed to identify the binding sites for calcium in unfertilized Arbacia punctulata and Strongylocentrotus purpuratus eggs [7].
• The increased phosphorylation of ribosomal protein S6 in Arbacia punctulata is not a universal event in the activation of sea urchin eggs [8].
• Fatty acid compositions of polar lipids and triacylglycerols isolated from eggs of the sea urchin, Arbacia punctulata, were examined before and 15 min after insemination [9].
• Benzohydroxamic acid induces polyspermic fertilization in the sea urchin Arbacia punctulata [10].
• Heat shock response in the Atlantic sea urchin, Arbacia punctulata [11].

Anatomical context of Arbacia

• Fertilization experiments performed between a divergent pair of Arbacia species from the Atlantic and Pacific Oceans revealed no evidence of blocks to gamete recognition [12].
• Spermatozoa of the sea urchin Arbacia punctulata possess a phosphorylated guanylate cyclase as a major glycoprotein of the flagellar plasma membrane [13].
• The rate of male pronuclear expansion in both Arbacia and Lytechinus zygotes was linear and significantly affected by polyspermy, temperature, metabolic inhibitors (dinitrophenol, potassium cyanide, sodium azide, antimycin A, and oligomycin), and blockage of cytoplasmic alkalinization [14].
• The ability of exogenous proteins to enhance the reaggregation of aggregation-deficient butanol extracted cells has been studied using blastula cells of the sea urchin Arbacia punctulata [15].

Associations of Arbacia with chemical compounds

• Basic proteins in nuclei and nucleosomes at different stages of development in Arbacia punctulata sea urchins were analyzed directly by in situ protamine release of chromosomal proteins into Triton/acid/urea-polyacrylamide gels [16].
• The antibody to the 90-kDa glycoprotein in S. purpuratus embryos was used to identify a homologous set of yolk glycoproteins with similar molecular masses in the embryos of three other species in the class Echinoidea: Arbacia punctulata, Lytechinus pictus, and Dendraster excentricus [17].
• Ca2+-stimulated production of H2O2 from naphthoquinone oxidation in Arbacia eggs [18].
• 5-bromodeoxyuridine does not affect development of the sea urchin, Arbacia punctulata [19].
• In this work, we have concentrated on a study of the mechanism(s) by which hydrogen peroxide (H2O2) prevents polyspermy in Arbacia punctulata [20].

Gene context of Arbacia

• We present sequence information, as well as phylogenetic analysis, for three NOS cDNAs identified in two non-mammalian species: the vertebrate marine teleost fish Stenotomus chrysops (scup) and the invertebrate echinoderm Arbacia punctulata (sea urchin) [21].
• McA Tg-HYL was generated against Tripneustes gratilla embryos but reacts with hyalin from the distantly related sea urchin species, Colobocentrotus atratus, Strongylocentrotus purpuratus, Arbacia punctulata, Lytechinus variegatus and Lytechinus pictus [22].
• The sequence of the Arbacia punctulata bindin cDNA and implications for the structural basis of species-specific sperm adhesion and fertilization [23].
• We investigated the effect of the phorbol ester TPA (12-O-tetradecanoyl phorbol 13-acetate) on the egg morphology of the sea urchin Arbacia lixula [24].
• An examination of the size and relative abundance of actin-coding RNA in embryos of four sea urchins (Strongylocentrotus purpuratus, Strongylocentrotus droebachiensis, Arbacia punctulata, Lytechinus variegatus) and one sand dollar (Echinarachnius parma) reveals a generally conserved program of expression [25].

References