1990•Molecular and Cellular BiologyOpen access

Organization of subtelomeric repeats in Plasmodium berghei.

E. Dore, Tomasino Pace, Marta Ponzi, Leonardo Picci, C. Frontali

Abstract

Several (but not all) Plasmodium berghei chromosomes bear in the subtelomeric position a cluster of 2.3-kilobase (kb) tandem repeats. The 2.3-kb unit contains 160 base pairs of telomeric sequence. The resulting subtelomeric structure is one in which stretches of telomeric sequences are periodically spaced by a 2.1-kb reiterated sequence. This periodic organization of internal telomeric sequences might be related to chromosome-size polymorphisms involving the loss or addition of subtelomeric 2.3-kb units.

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Key concepts: Subtelomere, Biology, Genetics, Plasmodium berghei, Repeated sequence, Tandem repeat, Direct repeat, Sequence (biology)