In July he and his team announced that they had sequenced all 1.8 million base pairs — the rungs of the DNA double helix, and the letters of the genetic alphabet — that make up the single circular chromosome of Haemophilus influenzae, a bacterium that in its wild form causes ear infections and meningitis. (discovermagazine.com)
The genome consists of a single circular chromosome of 2 488 635 bp, with no plasmids. (sanger.ac.uk)
To do this, the researchers used circular chromosome conformation capture (4C - seq) on mouse liver and kidney tissue. (sciencedaily.com)