Purification of an l-arabinose isomerase from Enterococcus faecium DBFIQ E36 employing a biospecific affinity strategy
- Autores
- Torres, Pedro; Manzo, Ricardo Martín; Rubiolo, Amelia Catalina; Batista Viera, Francisco; Mammarella, Enrique José
- Año de publicación
- 2014
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- l-Arabinose isomerase is an intracellular enzyme that can convert l-arabinose to l-ribulose and d-galactose to d-tagatose, a promising but rare nutraceutical. Most of l-arabinose isomerases purified upto date employed the combination between DNA recombinant technology and affinity chromatographybased on poly-histidine tail recognition, but few of the enzymes were obtained and purified in a non-recombinant way. For these reasons, a specific affinity bioadsorbent containing l-arabitol as ligand, acompetitive inhibitor of the enzyme, was designed and synthesized for achieving pure preparations ofthe enzyme l-arabinose isomerase from wild-type Enterococcus faecium DBFIQ E36 strain, isolated fromraw cow milk.The two-step purification procedure consisted in fractionation by ammonium sulphate precipitationfollowed by affinity chromatography with obtained bioadsorbent, allowing the purification, to elec-trophoretical homogeneity, of target enzyme. Characterization studies were performed with purifiedl-arabinose isomerase in order to increase knowledge of their physicochemical properties. In this sense,enzyme exhibited an optimum temperature of 50?C and optimum pH of 7.0, maintaining good sta-bility in the ranges 20–45?C and pH 6.5–8. Kiwere calculated, employing d-galactose as substrate, forl-arabitol and l-ribitol, achieving values of 7.9 mM and 183 mM, respectively. Kmand Vmaxvalues obtainedwere 35 mM and 81 U mg-1at 50?C, respectively. Mass spectrometry assay revealed a 48 kDa monomerwhereas gel permeation chromatography achieved a 187 kDa molecular weight for native enzyme. Finally,2D-electrophoresis and isoelectrofocusing analysis revealed an isoelectric point value of 3.80. Resultshave unveiled both an acidic nature and promising properties for l-arabinose isomerase isolated from E.faecium DBFIQ E36.
Fil: Torres, Pedro. Universidad de la Republica; Uruguay
Fil: Manzo, Ricardo Martín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química (i); Argentina
Fil: Rubiolo, Amelia Catalina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química (i); Argentina
Fil: Batista Viera, Francisco. Universidad de la Republica; Uruguay
Fil: Mammarella, Enrique José. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química (i); Argentina - Materia
-
L-Arabinose Isomerase
D-Tagatose D-Galactos
Affinity Chromatography
Enterococcus Faecium Strain - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
.jpg)
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/9194
Ver los metadatos del registro completo
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Purification of an l-arabinose isomerase from Enterococcus faecium DBFIQ E36 employing a biospecific affinity strategyTorres, PedroManzo, Ricardo MartínRubiolo, Amelia CatalinaBatista Viera, FranciscoMammarella, Enrique JoséL-Arabinose IsomeraseD-Tagatose D-GalactosAffinity ChromatographyEnterococcus Faecium Strainhttps://purl.org/becyt/ford/2.9https://purl.org/becyt/ford/2l-Arabinose isomerase is an intracellular enzyme that can convert l-arabinose to l-ribulose and d-galactose to d-tagatose, a promising but rare nutraceutical. Most of l-arabinose isomerases purified upto date employed the combination between DNA recombinant technology and affinity chromatographybased on poly-histidine tail recognition, but few of the enzymes were obtained and purified in a non-recombinant way. For these reasons, a specific affinity bioadsorbent containing l-arabitol as ligand, acompetitive inhibitor of the enzyme, was designed and synthesized for achieving pure preparations ofthe enzyme l-arabinose isomerase from wild-type Enterococcus faecium DBFIQ E36 strain, isolated fromraw cow milk.The two-step purification procedure consisted in fractionation by ammonium sulphate precipitationfollowed by affinity chromatography with obtained bioadsorbent, allowing the purification, to elec-trophoretical homogeneity, of target enzyme. Characterization studies were performed with purifiedl-arabinose isomerase in order to increase knowledge of their physicochemical properties. In this sense,enzyme exhibited an optimum temperature of 50?C and optimum pH of 7.0, maintaining good sta-bility in the ranges 20–45?C and pH 6.5–8. Kiwere calculated, employing d-galactose as substrate, forl-arabitol and l-ribitol, achieving values of 7.9 mM and 183 mM, respectively. Kmand Vmaxvalues obtainedwere 35 mM and 81 U mg-1at 50?C, respectively. Mass spectrometry assay revealed a 48 kDa monomerwhereas gel permeation chromatography achieved a 187 kDa molecular weight for native enzyme. Finally,2D-electrophoresis and isoelectrofocusing analysis revealed an isoelectric point value of 3.80. Resultshave unveiled both an acidic nature and promising properties for l-arabinose isomerase isolated from E.faecium DBFIQ E36.Fil: Torres, Pedro. Universidad de la Republica; UruguayFil: Manzo, Ricardo Martín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química (i); ArgentinaFil: Rubiolo, Amelia Catalina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química (i); ArgentinaFil: Batista Viera, Francisco. Universidad de la Republica; UruguayFil: Mammarella, Enrique José. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química (i); ArgentinaElsevier Science2014-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/9194Torres, Pedro; Manzo, Ricardo Martín; Rubiolo, Amelia Catalina; Batista Viera, Francisco; Mammarella, Enrique José; Purification of an l-arabinose isomerase from Enterococcus faecium DBFIQ E36 employing a biospecific affinity strategy; Elsevier Science; Journal Of Molecular Catalysis B: Enzymatic; 102; 3-2014; 99-1051381-1177enginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.molcatb.2014.01.023info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S1381117714000344info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:01:22Zoai:ri.conicet.gov.ar:11336/9194instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-22 11:01:22.857CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
| dc.title.none.fl_str_mv |
Purification of an l-arabinose isomerase from Enterococcus faecium DBFIQ E36 employing a biospecific affinity strategy |
| title |
Purification of an l-arabinose isomerase from Enterococcus faecium DBFIQ E36 employing a biospecific affinity strategy |
| spellingShingle |
Purification of an l-arabinose isomerase from Enterococcus faecium DBFIQ E36 employing a biospecific affinity strategy Torres, Pedro L-Arabinose Isomerase D-Tagatose D-Galactos Affinity Chromatography Enterococcus Faecium Strain |
| title_short |
Purification of an l-arabinose isomerase from Enterococcus faecium DBFIQ E36 employing a biospecific affinity strategy |
| title_full |
Purification of an l-arabinose isomerase from Enterococcus faecium DBFIQ E36 employing a biospecific affinity strategy |
| title_fullStr |
Purification of an l-arabinose isomerase from Enterococcus faecium DBFIQ E36 employing a biospecific affinity strategy |
| title_full_unstemmed |
Purification of an l-arabinose isomerase from Enterococcus faecium DBFIQ E36 employing a biospecific affinity strategy |
| title_sort |
Purification of an l-arabinose isomerase from Enterococcus faecium DBFIQ E36 employing a biospecific affinity strategy |
| dc.creator.none.fl_str_mv |
Torres, Pedro Manzo, Ricardo Martín Rubiolo, Amelia Catalina Batista Viera, Francisco Mammarella, Enrique José |
| author |
Torres, Pedro |
| author_facet |
Torres, Pedro Manzo, Ricardo Martín Rubiolo, Amelia Catalina Batista Viera, Francisco Mammarella, Enrique José |
| author_role |
author |
| author2 |
Manzo, Ricardo Martín Rubiolo, Amelia Catalina Batista Viera, Francisco Mammarella, Enrique José |
| author2_role |
author author author author |
| dc.subject.none.fl_str_mv |
L-Arabinose Isomerase D-Tagatose D-Galactos Affinity Chromatography Enterococcus Faecium Strain |
| topic |
L-Arabinose Isomerase D-Tagatose D-Galactos Affinity Chromatography Enterococcus Faecium Strain |
| purl_subject.fl_str_mv |
https://purl.org/becyt/ford/2.9 https://purl.org/becyt/ford/2 |
| dc.description.none.fl_txt_mv |
l-Arabinose isomerase is an intracellular enzyme that can convert l-arabinose to l-ribulose and d-galactose to d-tagatose, a promising but rare nutraceutical. Most of l-arabinose isomerases purified upto date employed the combination between DNA recombinant technology and affinity chromatographybased on poly-histidine tail recognition, but few of the enzymes were obtained and purified in a non-recombinant way. For these reasons, a specific affinity bioadsorbent containing l-arabitol as ligand, acompetitive inhibitor of the enzyme, was designed and synthesized for achieving pure preparations ofthe enzyme l-arabinose isomerase from wild-type Enterococcus faecium DBFIQ E36 strain, isolated fromraw cow milk.The two-step purification procedure consisted in fractionation by ammonium sulphate precipitationfollowed by affinity chromatography with obtained bioadsorbent, allowing the purification, to elec-trophoretical homogeneity, of target enzyme. Characterization studies were performed with purifiedl-arabinose isomerase in order to increase knowledge of their physicochemical properties. In this sense,enzyme exhibited an optimum temperature of 50?C and optimum pH of 7.0, maintaining good sta-bility in the ranges 20–45?C and pH 6.5–8. Kiwere calculated, employing d-galactose as substrate, forl-arabitol and l-ribitol, achieving values of 7.9 mM and 183 mM, respectively. Kmand Vmaxvalues obtainedwere 35 mM and 81 U mg-1at 50?C, respectively. Mass spectrometry assay revealed a 48 kDa monomerwhereas gel permeation chromatography achieved a 187 kDa molecular weight for native enzyme. Finally,2D-electrophoresis and isoelectrofocusing analysis revealed an isoelectric point value of 3.80. Resultshave unveiled both an acidic nature and promising properties for l-arabinose isomerase isolated from E.faecium DBFIQ E36. Fil: Torres, Pedro. Universidad de la Republica; Uruguay Fil: Manzo, Ricardo Martín. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química (i); Argentina Fil: Rubiolo, Amelia Catalina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química (i); Argentina Fil: Batista Viera, Francisco. Universidad de la Republica; Uruguay Fil: Mammarella, Enrique José. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico para la Industria Química (i); Argentina |
| description |
l-Arabinose isomerase is an intracellular enzyme that can convert l-arabinose to l-ribulose and d-galactose to d-tagatose, a promising but rare nutraceutical. Most of l-arabinose isomerases purified upto date employed the combination between DNA recombinant technology and affinity chromatographybased on poly-histidine tail recognition, but few of the enzymes were obtained and purified in a non-recombinant way. For these reasons, a specific affinity bioadsorbent containing l-arabitol as ligand, acompetitive inhibitor of the enzyme, was designed and synthesized for achieving pure preparations ofthe enzyme l-arabinose isomerase from wild-type Enterococcus faecium DBFIQ E36 strain, isolated fromraw cow milk.The two-step purification procedure consisted in fractionation by ammonium sulphate precipitationfollowed by affinity chromatography with obtained bioadsorbent, allowing the purification, to elec-trophoretical homogeneity, of target enzyme. Characterization studies were performed with purifiedl-arabinose isomerase in order to increase knowledge of their physicochemical properties. In this sense,enzyme exhibited an optimum temperature of 50?C and optimum pH of 7.0, maintaining good sta-bility in the ranges 20–45?C and pH 6.5–8. Kiwere calculated, employing d-galactose as substrate, forl-arabitol and l-ribitol, achieving values of 7.9 mM and 183 mM, respectively. Kmand Vmaxvalues obtainedwere 35 mM and 81 U mg-1at 50?C, respectively. Mass spectrometry assay revealed a 48 kDa monomerwhereas gel permeation chromatography achieved a 187 kDa molecular weight for native enzyme. Finally,2D-electrophoresis and isoelectrofocusing analysis revealed an isoelectric point value of 3.80. Resultshave unveiled both an acidic nature and promising properties for l-arabinose isomerase isolated from E.faecium DBFIQ E36. |
| publishDate |
2014 |
| dc.date.none.fl_str_mv |
2014-03 |
| dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
| format |
article |
| status_str |
publishedVersion |
| dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/9194 Torres, Pedro; Manzo, Ricardo Martín; Rubiolo, Amelia Catalina; Batista Viera, Francisco; Mammarella, Enrique José; Purification of an l-arabinose isomerase from Enterococcus faecium DBFIQ E36 employing a biospecific affinity strategy; Elsevier Science; Journal Of Molecular Catalysis B: Enzymatic; 102; 3-2014; 99-105 1381-1177 |
| url |
http://hdl.handle.net/11336/9194 |
| identifier_str_mv |
Torres, Pedro; Manzo, Ricardo Martín; Rubiolo, Amelia Catalina; Batista Viera, Francisco; Mammarella, Enrique José; Purification of an l-arabinose isomerase from Enterococcus faecium DBFIQ E36 employing a biospecific affinity strategy; Elsevier Science; Journal Of Molecular Catalysis B: Enzymatic; 102; 3-2014; 99-105 1381-1177 |
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eng |
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eng |
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info:eu-repo/semantics/altIdentifier/doi/10.1016/j.molcatb.2014.01.023 info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S1381117714000344 |
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Elsevier Science |
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Elsevier Science |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
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dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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