PMID: 15359128Sep 11, 2004Paper

The distribution and expression of HERV families in the human genome

Molecules and Cells
Tae-Hyung KimHeui-Soo Kim

Abstract

The families of human endogenous retroviruses (HERVs) are widely distributed in the human genome. Here we examined their distribution and expression. Approximately forty thousand HERV elements including truncated and solitary long terminal repeats (LTRs) were identified. These elements were most dense on chromosomes 4, 20, X, and Y. From an analysis of genomic stability during primate evolution, the 5 cent -LTR of the HERV genome (5 cent LTR - internal HERV - 3 cent LTR) appeared to be more often truncated than the 3 cent -LTR. ESTs derived from normal placenta, skeletal muscle, hypothalamus, and testis gave frequent matches to HERV elements. We present a classification of genes associated with HERV elements according to the hierarchical structure of gene ontology.

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