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Gene. 1995 Jan 23;152(2):261-4.

Bovine Alu-like sequences mediate transposition of a new site-specific retroelement.

Author information

1
Department of Biochemistry, Institute of Physiology and Biochemistry, Medical School, Lódź, Poland.

Abstract

We describe a new family of 3.1-kb repetitive sequences which is present in the bovine genome. The 5' and 3' ends of the unit are flanked with sequences homologous to the 5' and 3' halves of the bovine Alu-like monomer (BM), respectively. Distribution of the 5' ends of the family members in the genome is not random. They are close to the truncated bovine Alu-like dimer (BD) which, in some cases, is followed by 40-bp repeated sequences containing block A of the RNA polymerase III promoter. The ORFs found within the unit code for peptides homologous to amino-acid sequences characteristic for reverse transcriptases (RT). The family members may be considered as mutant mobile elements whose propagation in the genomes was accomplished by means of a process including site-specific recognition with BD. Because of this, we call this family the bovine dimer-driven family (BDDF).

PMID:
7835712
DOI:
10.1016/0378-1119(94)00709-2
[Indexed for MEDLINE]

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