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Polymorphic and differential expression of the Trypanosoma cruzi alleles containing universal minicircle binding protein.

Abstract：

:DNA replication mechanisms are poorly understood in most of trypanosomatids, in particular the replication of the peculiar mitochondrial DNA, the kinetoplast DNA (kDNA). To contribute to the knowledge on the mechanism of kDNA replication in Trypanosoma cruzi, we have previously characterized the Universal Minicircle Sequence Binding Protein of this parasite (TcUMSBP), which was first called PDZ5 [E.R. Coelho, T.P. Urmenyi, J. Franco da Silveira, E. Rondinelli, R. Silva, Identification of PDZ5, a candidate universal minicircle sequence binding protein of Trypanosoma cruzi, Int. J. Parasitol. 33 (2003) 853-858]. In this work, we describe two highly polymorphic alleles of the TcUMSBP locus in the T. cruzi reference clone CL Brener and the differential expression pattern of these alleles. A 62 bp sequence in the TcUMSBP upstream intergenic region in one of its alleles affects the efficiency of polycistronic RNA processing and the polyadenylation sites, and therefore regulates the differential expression of TcUMSBP alleles of this locus.

journal_name

Biochem Biophys Res Commun

journal_title

Biochemical and biophysical research communications

authors

Coelho ER,Rodrigues Dde C,Urményi TP,Rondinelli E,Silva R

doi

10.1016/j.bbrc.2005.12.189

subject

Has Abstract

pub_date

2006-03-10 00:00:00

pages

382-90

issue

2

eissn

0006-291X

issn

1090-2104

pii

S0006-291X(06)00009-X

journal_volume

341

pub_type

杂志文章

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