Trypanosoma cruzi poly-zinc finger protein: A novel DNA/RNA-binding CCHC-zinc finger protein

A poly-zinc finger protein, designated PZFP1 was identified in Trypanosoma cruzi for the first time. The protein has 191 amino acids, contains seven motifs Cys(X)2Cys(X)4His(X)4Cys. A recombinant PZFP1 was generated in E. coli and the expected 21kDa polypeptide co-purified with two other inducible p...

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Autor principal: Espinosa, J.M
Otros Autores: Portal, D., Lobo, G.S, Pereira, C.A, Alonso, G.D, Gómez, E.B, Lan, G.H, Pomar, R.V.R, Flawiá, M.M, Torres, H.N
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: Elsevier 2003
Acceso en línea:Registro en Scopus
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024 7 |2 cas  |a arginine, 1119-34-2, 15595-35-4, 7004-12-8, 74-79-3; protein, 67254-75-5; serine, 56-45-1, 6898-95-9 
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100 1 |a Espinosa, J.M. 
245 1 0 |a Trypanosoma cruzi poly-zinc finger protein: A novel DNA/RNA-binding CCHC-zinc finger protein 
260 |b Elsevier  |c 2003 
270 1 0 |m Torres, H.N.; Fac. de Ciencias Exactas y Naturales, Inst. Invest. Ing. Genet. Biol. M., Universidad de Buenos Aires, Buenos Aires, Argentina; email: torres@dna.uba.ar 
506 |2 openaire  |e Política editorial 
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520 3 |a A poly-zinc finger protein, designated PZFP1 was identified in Trypanosoma cruzi for the first time. The protein has 191 amino acids, contains seven motifs Cys(X)2Cys(X)4His(X)4Cys. A recombinant PZFP1 was generated in E. coli and the expected 21kDa polypeptide co-purified with two other inducible products of about 42 and 63kDa. Western blot analysis of cell extracts using an anti-PZFP1 antibody recognized a major band of 41kDa. Electrophoretic mobility shift analysis demonstrated that both, recombinant and native PZFP1, specifically interact with single-stranded DNA or RNA oligonucleotides carrying recognition sequences of other CCHC proteins. The protein was localized mainly in the cytoplasm and nucleus as observed by indirect immunofluorescence analysis. PZFP1 interacted specifically with a T. cruzi serine-arginine-rich protein (TcSR) in a yeast two-hybrid assay, suggesting a role in pre-mRNA processing. © 2003 Elsevier B.V. All rights reserved.  |l eng 
536 |a Detalles de la financiación: Agencia Nacional de Promoción Científica y Tecnológica 
536 |a Detalles de la financiación: Universidad de Buenos Aires 
536 |a Detalles de la financiación: Consejo Nacional de Investigaciones Científicas y Técnicas 
536 |a Detalles de la financiación: We thank Mrs. Aneliess Zechel for excellent technical assistance, Dr. Cristina Paveto for valuable support and Fiona Jones for critical reading. This study was supported in part by the Consejo Nacional de Investigaciones Cientı́ficas y Técnicas (Argentina), the University of Buenos Aires (Argentina), the Agencia Nacional de Promoción Cientı́fica y Tecnológica (Argentina), the Fundacion Antorchas (Argentina), the International Center for Genetic Engineering and Biotechnology (Trieste, Italy), WHO-TDR and the Argentine-Brazilian Center for Biotechnology. 
593 |a Fac. de Ciencias Exactas y Naturales, Inst. Invest. Ing. Genet. Biol. M., Universidad de Buenos Aires, Buenos Aires, Argentina 
593 |a Department of Molecular Biology, Max Planck Inst. Biophysical Chem., Am Fassberg 11, D-37077 Göttingen, Germany 
690 1 0 |a CCHC-TYPE ZINC FINGER 
690 1 0 |a POLY-ZINC FINGER PROTEIN 
690 1 0 |a SERINE-ARGININE-RICH PROTEIN 
690 1 0 |a TCPZFP1 
690 1 0 |a TCSR 
690 1 0 |a TRYPANOSOMA CRUZI 
690 1 0 |a ARGININE 
690 1 0 |a CELL EXTRACT 
690 1 0 |a DOUBLE STRANDED DNA 
690 1 0 |a OLIGONUCLEOTIDE 
690 1 0 |a PROTEIN 
690 1 0 |a PROTEIN ANTIBODY 
690 1 0 |a PROTOZOAL PROTEIN 
690 1 0 |a RECOMBINANT PROTEIN 
690 1 0 |a SERINE 
690 1 0 |a ZINC FINGER PROTEIN 
690 1 0 |a AMINO ACID SEQUENCE 
690 1 0 |a ARTICLE 
690 1 0 |a CELL NUCLEUS 
690 1 0 |a CELLULAR DISTRIBUTION 
690 1 0 |a CYTOPLASM 
690 1 0 |a ESCHERICHIA COLI 
690 1 0 |a GEL MOBILITY SHIFT ASSAY 
690 1 0 |a IMMUNOFLUORESCENCE 
690 1 0 |a MOLECULAR RECOGNITION 
690 1 0 |a MOLECULAR WEIGHT 
690 1 0 |a NONHUMAN 
690 1 0 |a NUCLEOTIDE SEQUENCE 
690 1 0 |a PRIORITY JOURNAL 
690 1 0 |a PROTEIN ANALYSIS 
690 1 0 |a PROTEIN DNA INTERACTION 
690 1 0 |a PROTEIN INDUCTION 
690 1 0 |a PROTEIN LOCALIZATION 
690 1 0 |a PROTEIN MOTIF 
690 1 0 |a PROTEIN PROTEIN INTERACTION 
690 1 0 |a PROTEIN PURIFICATION 
690 1 0 |a PROTEIN RNA BINDING 
690 1 0 |a TRYPANOSOMA CRUZI 
690 1 0 |a TWO HYBRID SYSTEM 
690 1 0 |a WESTERN BLOTTING 
690 1 0 |a YEAST 
690 1 0 |a TRYPANOSOMA 
690 1 0 |a TRYPANOSOMA CRUZI 
700 1 |a Portal, D. 
700 1 |a Lobo, G.S. 
700 1 |a Pereira, C.A. 
700 1 |a Alonso, G.D. 
700 1 |a Gómez, E.B. 
700 1 |a Lan, G.H. 
700 1 |a Pomar, R.V.R. 
700 1 |a Flawiá, M.M. 
700 1 |a Torres, H.N. 
773 0 |d Elsevier, 2003  |g v. 131  |h pp. 35-44  |k n. 1  |p Mol. Biochem. Parasitol.  |x 01666851  |w (AR-BaUEN)CENRE-6136  |t Molecular and Biochemical Parasitology 
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