Abstract: This invention is directed to the production of novel plant genotypes or lines which produce increased free tryptophan levels and are resistant to inhibition by analogs which normally inhibit the activity of the enzyme anthranilate synthase before alteration. This invention further relates to genes encoding such enzymes, and to processes for utilizing these novel genes and enzymes. Further products of the invention include plants, plant tissues and seeds which exhibit resistance to such analogs and overproduce tryptophan resulting from expression of genes encoding analog resistant anthranilate synthase enzyme.
September 4, 1984
Date of Patent:
April 15, 1986
Molecular Genetics Research and Development
Kenneth A. Hibberd, Paul C. Anderson, Melanie Barker
Abstract: A jugglery device using cigarettes comprises a hollow rectangular parallelpiped casing formed by parallel rectangular upper and bottom walls. A pair of side walls connect opposite side edges of the upper and bottom walls, and an end wall connects opposite end edges of the upper and bottom walls. A drawer assembly is disposed slidably in relation to the bottom wall through the open end of the casing. The drawer accommodates a plurality of cigarettes. The drawer has a bottom wall slidable on the bottom wall of the casing, a pair of side walls and an end wall to connect opposite end edges of the side walls. A first auxiliary end wall protrudes from one of the other opposite end edges of the side wall toward the other end edge. A second bottom wall is slidably disposed on the bottom wall of the drawer assembly and is of nearly the same area as the bottom wall of the drawer assembly.
Abstract: A device for dividing an ice-hockey rink into at least two smaller rink parts comprises a plurality of straight sideboard elements (8a) and a plurality of curved sideboard elements (8b). The sideboard elements (8a, 8b) are provided with means (16, 20, 21) for interconnecting the same while forming a supplemental sideboard (8, 9) which when placed across the ice-hockey rink together with the stationary sideboard (1), encloses a smaller rink (5, 7) having symmetrical curved corners.