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Updated: Aug 12, 2026

Microscopy-based Assays for High-throughput Screening of Host Factors Involved in Brucella Infection of Hela Cells
Published on: August 5, 2016
Characterization and occurrence of two repeated palindromic DNA elements of Brucella spp.: Bru-RS1 and Bru-RS2
1United States Department of Agriculture, National Animal Disease Center, Ames, Iowa 50010.
Abstract:
Two repeated DNA elements of 103 bp and 105 bp were discovered in brucellae and designated Bru-RS1 and Bru-RS2, respectively. The two elements are palindromic, are 65% similar in sequence, form two families of elements that are slightly divergent in sequence, appear to be intergenic, and are found, collectively, in more than 35 copies in brucellae. These elements are bounded by perfect or nearly perfect inverted repeats. A third copy of the terminal repeat is found within the elements and is the terminus for several truncated copies of the Bru-RS1 family. Hybridization patterns for the elements among brucellae were unique. The elements are dispersed, highly conserved among brucellae, and hot-spots for insertion by IS711.
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