Location of the repetitive sequence PFCOL692 in genomic fragments of Plasmodium falciparum

Magda E. Alvarado, María O. Rojas, Heidy Y. Guerrero, Moisés Wasserman, .

Keywords: Plasmodium falciparum, repetitive sequences, subtelomeric region

Abstract

In this paper we established the subtelomeric localization of the repetitive sequence PFCOL692 of Plasmodium falciparum by the characterization of four clones from a hEMBL41 PFCOL692 genomic library, which contains 15-23Kbp long inserts of parasite genomic DNA. Characterization was made by restriction analysis and the PFCOL692 localization in the genome was explored using specific probes for telomeric (pTB4.1) and subtelomeric regions (pRep20) of P falciparum chromosomes. We proposed a possible organization for the parasite chromosomes ends, where the copies of PFCOL692 are clusters in the subtelomeric region and their localization is conserved with respect to the pRep20 sequence. In addition, we established that PFCOL692 is not located next to the telomere.

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  • Magda E. Alvarado Departamento de Química, Facultad de Ciencias. Universidad Nacional. Santa Fe de Bogotá. D.C.
  • María O. Rojas Departamento de Química, Facultad de Ciencias. Universidad Nacional. Santa Fe de Bogotá. D.C., Laboratorio de Bioquimica. Instituto Nacional de Salud. Santa Fe de Bogotá. D.C.
  • Heidy Y. Guerrero Laboratorio de Bioquimica. Instituto Nacional de Salud. Santa Fe de Bogotá. D.C
  • Moisés Wasserman Departamento de Química, Facultad de Ciencias. Universidad Nacional. Santa Fe de Bogotá. D.C., Laboratorio de Bioquimica. Instituto Nacional de Salud. Santa Fe de Bogotá. D.C.
How to Cite
1.
Alvarado ME, Rojas MO, Guerrero HY, Wasserman M. Location of the repetitive sequence PFCOL692 in genomic fragments of Plasmodium falciparum. biomedica [Internet]. 2000 Mar. 1 [cited 2024 May 18];20(1):49-58. Available from: https://revistabiomedica.org/index.php/biomedica/article/view/1047

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Published
2000-03-01
Section
Original articles

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