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Table 2 General features of Haemophilus spp. genomic islands

From: Sequence and functional analyses of Haemophilusspp. genomic islands

GIa

Size (base pairs)

GC content (%)

Number of ORFs

ICEHin1056

59,393

39.1

64

ICEHin299

53,902

38.6

55

ICEHin2866

53,114

38.7

55

ICEHin028

55,345

38.6

56

ICEHinB

55,996

38.8

56

ICEHpa8f

52,725

38.8

53

ICEHpaT3T1

60,056

37.8

65

  1. aThe GC contents of host bacterial genomes available are as follows: ICEHin2866, 38.1%, ICEHin028, 38.2%; ICEHinB, 38.1%; ICEHpaT3T1, 39.6%. Genomic islands are horizontally acquired segments of DNA, with major features that include: GC content different from the rest of the genome, insertion in tRNA genes, direct repeated DNA sequences at the ends, and the presence of mobility genes. Genomic islands that are capable of integration into the chromosome of the host, excision, and self-transfer to a new host and reintegration are usually called Integrative and Conjugative Elements (ICEs).