Abstract:
Incubation of labeled uridine diphosphate glucose with an enzyme preparation from Rhizobium meliloti or Agrobacterium tumefaciens leads to the formation of a glucan which appears to be identical to the β1-2 cyclic glucan described by several workers. This conclusion is based on the molecular size, the formation of sophorose and higher homologs by partial acid hydrolysis, the liberation of only glucose by total acid hydrolysis, and the release of only 3,4,6-tri-O-methylglucose after methylation and hydrolysis. A snail intestinal juice enzyme was found to break down the glucan and its partial hydrolysis products. A β-glucosidase from sweet almonds degraded sophorose but not the intact glucan. © 1985.
Registro:
Documento: |
Artículo
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Título: | The enzymatic synthesis of β1-2 glucans |
Autor: | Zorreguieta, A.; Tolmasky, M.E.; Staneloni, R.J. |
Filiación: | Instituto de Investigaciones Bioquimicas Fundacion Campomar, Facultad de Ciencias Exactas y Naturales, CONICET, Antonio Machado 151, 1405 Buenos Aires, Argentina
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Palabras clave: | beta 1,2 glucan; beta-1,2-glucan; glucan; glycosidase; uridine diphosphate glucose; Agrobacterium; article; biosynthesis; comparative study; metabolism; Rhizobium; Agrobacterium; Comparative Study; Glucans; Glycoside Hydrolases; Rhizobium; Uridine Diphosphate Glucose |
Año: | 1985
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Volumen: | 238
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Número: | 2
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Página de inicio: | 368
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Página de fin: | 372
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DOI: |
http://dx.doi.org/10.1016/0003-9861(85)90176-6 |
Título revista: | Archives of Biochemistry and Biophysics
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Título revista abreviado: | Arch. Biochem. Biophys.
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ISSN: | 00039861
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CODEN: | ABBIA
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CAS: | beta 1,2 glucan, 9051-99-4; glucan, 9012-72-0, 9037-91-6; glycosidase, 9032-92-2; uridine diphosphate glucose, 133-89-1; beta-1,2-glucan, 9051-99-4; Glucans; Glycoside Hydrolases, EC 3.2.1.; Uridine Diphosphate Glucose, 133-89-1
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00039861_v238_n2_p368_Zorreguieta |
Referencias:
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- Gorin, Spencer, Westlake, THE STRUCTURE AND RESISTANCE TO METHYLATION OF 1,2-β-GLUCANS FROM SPECIES OF AGROBACTERIA (1961) Canadian Journal of Chemistry, 39, p. 1067
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- Dedonder, Hassid, (1964) Biochim. Biophys. Acta, 90, pp. 239-248
- Amemura, Synthesis of (1.RAR.2)-.BETA.-D-glucan by cell-free extracts of Agrobacterium radiobacter IFO 12665b1 and rhizobium phaseoli AHU 1133. (1984) Agricultural and Biological Chemistry, 48, pp. 1809-1817
- Tolmasky, Staneloni, Ugalde, Leloir, (1980) Arch. Biochem. Biophys, 203, pp. 358-364
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Citas:
---------- APA ----------
Zorreguieta, A., Tolmasky, M.E. & Staneloni, R.J.
(1985)
. The enzymatic synthesis of β1-2 glucans. Archives of Biochemistry and Biophysics, 238(2), 368-372.
http://dx.doi.org/10.1016/0003-9861(85)90176-6---------- CHICAGO ----------
Zorreguieta, A., Tolmasky, M.E., Staneloni, R.J.
"The enzymatic synthesis of β1-2 glucans"
. Archives of Biochemistry and Biophysics 238, no. 2
(1985) : 368-372.
http://dx.doi.org/10.1016/0003-9861(85)90176-6---------- MLA ----------
Zorreguieta, A., Tolmasky, M.E., Staneloni, R.J.
"The enzymatic synthesis of β1-2 glucans"
. Archives of Biochemistry and Biophysics, vol. 238, no. 2, 1985, pp. 368-372.
http://dx.doi.org/10.1016/0003-9861(85)90176-6---------- VANCOUVER ----------
Zorreguieta, A., Tolmasky, M.E., Staneloni, R.J. The enzymatic synthesis of β1-2 glucans. Arch. Biochem. Biophys. 1985;238(2):368-372.
http://dx.doi.org/10.1016/0003-9861(85)90176-6