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Table 2 Presence of DNA uptake signal sequences in human Neisseria species.

From: Variations in gene organization and DNA uptake signal sequence in the folP region between commensal and pathogenic Neisseria species

  Prevalence (density1) of DNA uptake signal sequences
  in intergenic parts of the folP region (Fig. 3) in database sequences
Species GCCGTCTGAA GT CGTCTGAA Sequence length GCCGTCTGAA GT CGTCTGAA GCT GTCTGAA
N. meningitidis 2 6 0 2,272,300 1935 (1,174) 165 (13,772) 47 (48,347)
N. gonorrhoeae 7 0 2,153,894 1965 (1,096) 118 (18,253) 31 (69,480)
N. lactamica 7 0 51,533 40 (1,288) 0 0
N. cinerea 8 0 12,158 15 (811) 3 (4,053) 4 (3,040)
N. subflava 1 7 13,523 16 (845) 1 (13,523) 0
N. sicca 0 6 3,114 3 0 1
N. mucosa n.a n.a 4,492 3 1 1
N. polysaccharea n.a n.a. 22,903 25 (916) 0 2 (11,452)
N. flavescens n.a n.a 4,844 8 0 0
N. perflava n.a n.a 1,392 2 0 0
N. elongata n.a n.a 7,064 8 1 0
  1. 1 Density as the average distance between two DUS. Density was only calculated when the (accumulated) sequences included more than 10,000 base pairs.
  2. 2 Strain MC58