Aaron Bergstrom

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Gamma-aminobutyric acid (GABA), glutamate decarboxylase and GABA-transaminase were identified in the nematode Caenorhabditis elegans. The concentration of GABA in C. elegans (0.14 micrograms/mg protein) is approximately 10-fold lower than the concentration of GABA in rat brain. Glutamate decarboxylase and GABA-transaminase, the GABA anabolic and catabolic(More)
1. A glutamate binding protein has been identified in membrane preparations from the free living nematode, Caenorhabditis elegans, and from the parasitic nematode, Haemonchus contortus. 2. This putative glutamate receptor was solubilized with 30 mM octyl-B-glucoside and partially purified by anion exchange and gel filtration chromatography. 3. An 80-fold(More)
Cochlioquinone A, isolated from the fungus Helminthosporium sativum, was found to have nematocidal activity. Cochlioquinone A is a competitive inhibitor of specific [3H]ivermectin binding suggesting that cochlioquinone A and ivermectin interact with the same membrane receptor.
Three minor forms of renin from the submaxillary glands of male mice called D1, D2, and E have been purified to homogeneity. Their amino acid compositions are identical to the principal form of mouse submaxillary gland renin (renin A), except for 1, 1, and 2 extra arginine residues, respectively. The electrophoretic mobility of renin D2 does not change upon(More)
An Advanced Cyberinfrastructure Research and Education Facilitator (ACI-REF) works directly with researchers to advance the computing- and data-intensive aspects of their research, helping them to make effective use of Cyberinfrastructure (CI). The University of Oklahoma (OU) is leading a national "virtual residency" program to prepare ACI-REFs to provide(More)
This is a report of work on an internet-based digital library called the Digital Archive Network for Anthropology (DANA). DANA provides a model for a generalized method for implementing digital archives. This federation of databases will link researchers, students, and the general public to distributed databases that include realistic, accurate,(More)