Table 2

Major features of the B. petrii genomic islands

Genomic islands (CDS)

Coordinates (size in bp)

Major features


GI (Bpet0187-0310)

201731..346691 (144961)

No integrase and direct repeats (DR)

Capsular polysaccharide genes

2 autotransporters

Metabolism of phthalate and protocatechuate, urea amidohydrolase


GI1 (Bpet1009-1275)

1084007..1339483 (255477)

clc-like, integrase, DR (3' end of tRNAGly)

Metabolism of an unknown aromatic compound (Bpet1116-1123)


GI2 (Bpet1288-1437)

1350143..1493539 (143397)

clc-like, integrase, DR (3' end of tRNAGly)

Metabolism of benzoate, benzylalcohol, 3-hydroxybenzoate, putative monooxygenase (Bpet1330)

Putative (chloro)phenol monooxygenase (Bpet1331)

nitrile hydratase (Bpet1415-1416)


GI3 (Bpet1438-1545)

1493557..1595653 (102110)

Almost identical to the clc element, integrase, DR (3' end of tRNAGly)

Metabolism of chlorocatechol, anthranilate

Short chain dehydrogenase (Bpet1512)


GI4 (Bpet2166-2216)

2250672..2297721 (47176)

Tn4371-like, integrase, (T)6 DR


GI5 (Bpet3699-3770)

3912214..3979917 (67704)

Integrase, features of conjugative transposons

Metabolism of chlorocatechol (2 gene clusters), tetrachlorobenzene

4 glutathione S-transferase (Bpet3724-3727)


GI6 (Bpet4174-4316)

4417761..4576856 (159096)

clc-like, integrase, DR (3' end of tRNAGly)

Multidrug efflux pump

Iron transport system.


GI7 (Bpet4544-4630)

4804478..4893272 (88795)

Integrase, DR (3' end of tRNAPhe), features of conjugative transposons

Several heavy metal resistance systems


Gross et al. BMC Genomics 2008 9:449   doi:10.1186/1471-2164-9-449

Open Data