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Table 1 General features of different H. pylori genomes.

From: Sequencing, annotation, and comparative genome analysis of the gerbil-adapted Helicobacter pylori strain B8

H. pylori

strain

B8

26695

J99

HPAG1

P12

accession

number

FN598874

NC_000915

NC_000921

NC_008086

NC_011498

Basic Features

chromosome

length

1,673,997 bp

1,667,867 bp

1,643,831 bp

1,596,366 bp

1,673,813 bp

plasmid

pHPB8 (6,032 bp,

GC 35.9%)

  

pHPAG1 (9,370 bp,

GC 36.4%)

pHPP12 (10,225 bp,

GC 35.1%)

GC content

38.8%

38.9%

39.2%

39.1%

38.8%

CDS density

91.8%

90.2%

90.2%

91.9%

89.7%

number of CDS

1,711

1,576

1,489

1,536

1,568

average length

897

955

990

954

957

annotated

929 (54.3%)

918 (58.2%)

712 (47.8%)

1,013 (66.0%)

1,111 (70.9%)

strain-specific

CDS

293

204

112

152

202

thereof

annotated

3

9

1

8

2

Type IV Secretion Systems #

cag PAI

670,637 - 720,370

HPB8_696 - HPB8_741

+

+

+

552,705 - 589,225

HPP12_0527 - HPP12_0555

com B

I: 1,575,414 - 1,578,323

HPB8_1608 - HPB8_1610*

+

  

I: 13,587 - 16,496

HPP12_0013 - HPP12_0015

 

II: 1,551,606 - 1,554,461

HPB8_1583 - HPB8_1585*

 

II: 37,867 - 40,719

jhp0034 - jhp0036

II: 38,692 - 41,645

HPAG1_0036 - HPAG1_0039

II: 36,339 - 40,378

HPP12_0033 - HPP12_0037

T4SS-3 (tfs 3)

510,833 - 526,789

HPB8_538 - HPB8_554*

fragmented

-

-

1,394,833 - 1,411,026

HPP12_1320 - HPP12_1337

T4SS-4 (tfs 4)

fragmented, surrounding T4SS-3

 

?

?

452,423 - 492,710

HPP12_0437 - HPP12_0473

Plasticity Zones #

 

PZ1:452,011 - 533,220

HPB8_481 - HPB8_564

left: 449,150 - 479,531

HP_0428 - HP_0460

I: 1,012,090 - 1,057,038

jhp0914 - jhp0951

 

PZ1:452,423 - 492,710

HPP12_0437 - HPP12_0473

  

right: 1,044,552 - 1,071,068

HP_0980 - HP_1009

  

PZ2: 1,043,356 - 1,053,784

HPP12_0980 - HPP12_0993

     

PZ3: 1,394,833 - 1,423,818

HPP12_1320 - HPP12_1353

RNA Elements §

rRNA 23S | 16S | 5S

2 | 2 | 2

2 | 2 | 2+1‡

2 | 2 | 2

2 | 2 | 2

2 | 2 | 2

tRNA

36

36

36

36

36

  1. # notation for nucleotide range: first position last position; notation for gene range: first_gene-last_gene
  2. * genes occur on reverse strand
  3. § number of gene copies
  4. ‡ strain 26695 contains two sets of 23S and 5S rRNA and one additional 5S rRNA without associated 23S rRNA