RT Journal Article SR Electronic(1) A1 Hayashida, Hideaki A1 Hotokezaka, Hitoshi A1 Ohara, Naoya A1 Kimura, Makoto A1 Takagi, Okiuji A1 Yamada, TakeshiYR 1996 T1 Molecular analysis of a new insertion sequence from Actinobacillus (Haemophilus) actinomycetemcomitans FDC Y4 JF Microbiology, VO 142 IS 9 SP 2449 OP 2452 DO https://doi.org/10.1099/00221287-142-9-2449 PB Microbiology Society, SN 1465-2080, AB We have found a new insertion sequence (IS), designated IS Aa1, downstream of the S10 operon in Actinobacillus (Haemophilus) actinomycetemcomitans FDC Y4. IS Aa1, the first IS element characterized in this organism, is 705 bp long and lacks terminal inverted repeats. This element displayed significant homology with IS200. Hybridization patterns of genomic DNA of seven A. actinomycetemcomitans strains with an internal ISAa1 probe varied depending on the serotypes, suggesting that IS Aa1 might be a useful tool for epidemiological studies., UL https://www.microbiologyresearch.org/content/journal/micro/10.1099/00221287-142-9-2449