direct repeat sequence

a NUCLEOTIDE SEQUENCE that is repeated in two or more regions of a NUCLEIC ACID molecule. For example

Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

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A direct repeat sequence at the Rasgrf1 locus and imprinted expression.

Comparative analysis of repetitive elements of imprinting genes reveals eleven candidate imprinting genes in cattle

The right junction direct repeat sequence (DR-R) was previously shown to be identical to the sequence from the respective thdf sequences from sensitive serovar Typhimurium or Agona strains, suggesting the origin of the DR-R is actually the end of thdF (Figure 2) (6).

The right junction 18-bp DR-R direct repeat sequence found at the 3' end of SGI1 appears to be a duplication of the last 18 bp of the thdf gene found upstream of SGI1.

Variant Salmonella genomic island 1 antibiotic resistance gene cluster in Salmonella enterica serovar Albany. (Research)