Table 1

Overall characteristics of the genomes of B. longum strains DJO10A and NCC2705.

DJO10A

NCC2705


Size of chromosome (bp)

2,375,792

2,256,640

Overall G+C %

60.15

60.12

Number of plasmids

2 (10 and 3.6 kb)

1 (3.6 kb)

Genes

Total genes

1990

1727

Average gene length (bp)

1031

1115

Gene density (genes/kb)

0.838

0.765

Gene coding percentage (%)

86.4

85.3

Gene G+C %

61.13

60.86

Unique Sequences

Strain-specific unique genes

269

117

Number of unique regionsa

17

6

Number of genes in unique regions

218

84

Prophage

1

1

Number of genes in prophage region

57

19

RNAs and Repeat Sequences

rRNA operons

4

4

tRNAs

58

57

Tandem repeats

22

23

Mobile Elementsb

Mobile integrase cassette (MIC)

4

3

IS3 family

13

14

IS21 family

10

7

IS30 family

9

5

IS256 family

4

7

ISL3 family

7

12

IS200/605 family

1

1


a, refers to unique regions that encode functional or hypothetical genes in DNA regions > 3 kb, b, includes fragmented elements

Lee et al. BMC Genomics 2008 9:247   doi:10.1186/1471-2164-9-247

Open Data