Organization of subtelomeric repeats in Plasmodium berghei.
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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Laboratory of Cell Biology, Istituto Superiore di Sanità, Rome, Italy.
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D000818:Animals; D001483:Base Sequence; D002874:Chromosome Mapping; D002875:Chromosomes / Q000648:ultrastructure*; D004587:Electrophoresis, Agar Gel; D008969:Molecular Sequence Data; D010962:Plasmodium berghei / Q000235:genetics*; D012091:Repetitive Sequences, Nucleic Acid; D015183:Restriction Mapping