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dc.contributor.author
Gomez, Eliana B.
dc.contributor.author
Medina, Gabriel
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Ballesta, Juan P. G.
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Levin, Mariano Jorge
dc.contributor.author
Tellez, Maria Teresa
dc.date.available
2019-07-10T20:23:40Z
dc.date.issued
2001-12
dc.identifier.citation
Gomez, Eliana B.; Medina, Gabriel; Ballesta, Juan P. G.; Levin, Mariano Jorge; Tellez, Maria Teresa; Acidic ribosomal P proteins are phosphorylated in Trypanosoma cruzi; Elsevier; International Journal for Parasitology; 31; 10; 12-2001; 1032-1039
dc.identifier.issn
0020-7519
dc.identifier.uri
http://hdl.handle.net/11336/79331
dc.description.abstract
Trypanosoma cruzi ribosomes from epimastigote forms were purified as determined by electron microscopy and isoelectrofocusing was used to analyse this purified ribosome fraction. Silver stained gels revealed that acidic proteins are present in at least 10 different isoforms, in accord with previous cloning studies. To detect phosphorylation, in vitro phosphorylation assays using the recombinant protein TcP2β-mbp were carried out. The results showed that T. cruzi cytosolic fraction possesses protein kinase activity able to phosphorylate the recombinant protein. Purified ribosomes contain protein kinases that could also phosphorylate the recombinant protein TcP2β-mbp. Labelling parasites with [32Pi] in a phosphate free medium demonstrated that ribosome proteins, recognised with a specific mouse antiserum against recombinant TcP2β proteins, are phosphorylated in vivo. All these results suggest that in vivo phosphorylation of ribosome TcP2β proteins are mediated by protein kinase(s) not yet identified.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Isoelectrofocusing
dc.subject
P Proteins
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Protein Phosphorylation
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Ribosome
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Trypanosoma
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Otras Ciencias Biológicas
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Acidic ribosomal P proteins are phosphorylated in Trypanosoma cruzi
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-07-05T17:32:11Z
dc.journal.volume
31
dc.journal.number
10
dc.journal.pagination
1032-1039
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Gomez, Eliana B.. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Ingeniería Genética y Biología Molecular "Dr. Héctor N. Torres"; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina
dc.description.fil
Fil: Medina, Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Ingeniería Genética y Biología Molecular "Dr. Héctor N. Torres"; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina
dc.description.fil
Fil: Ballesta, Juan P. G.. Universidad Autónoma de Madrid; España
dc.description.fil
Fil: Levin, Mariano Jorge. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Ingeniería Genética y Biología Molecular "Dr. Héctor N. Torres"; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina
dc.description.fil
Fil: Tellez, Maria Teresa. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones en Ingeniería Genética y Biología Molecular "Dr. Héctor N. Torres"; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina
dc.journal.title
International Journal for Parasitology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0020751901002193
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1016/S0020-7519(01)00219-3
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