Table 1

Chlamydiaceae genome features with suspected host and niche specific genes

Species

Genome size (nt)

Protein coding sequences

Tryptophan metabolism

Toxin genes

Plasmid

Bacteriophage

tyrP copies

Nucleotide salvaging


C. pneumoniae AR39

1229853

1052

tph

Absent

Absent

Present

Two

guaBA-add, udk, pyrE

C. pneumoniae CWL029

1230230

1073

tph

Absent

Absent

Absent

Two

guaBA-add, udk, pyrE

C. pneumoniae J138

1226565

1072

tph

Absent

Absent

Absent

One

guaBA-add, udk, pyrE

C. pneumoniae TW183

1225935

1113

tph

Absent

Absent

Absent

One

guaBA-add, udk, pyrE

C. pneumoniae LPCoLN

1241024

1095

tph

Absent

Present

Present*

One

udk, pyrE

C. felis Fe/C-56

1166239

1005

trpABFCDR, kynU

Absent

Present

Absent

One

guaBA-add, pyrE

C. caviae GPIC

1173390

1009

trpABFCDR, kynU, prsA, tph

Present

Present

Present

One

guaBA-add, pyrE

C. abortus S26/3

1144377

961

tph

Absent

Absent

Present

One

guaB (pseudogene), pyrE

C. muridarum Nigg

1069412

924

none

Present

Present

Absent

Two

guaBA-add, upp

C. trachomatis serovar D

1042519

894

trpABCR

Present

Present

Absent

Two

None of the above


tph, tryptophan hydroxylase; trp, tryptophan biosynthesis; kynU, kynureninase; prsA, ribose-phosphate pyrophosphokinase; gua, purine biosynthesis; add, adenosine deaminase; udk, uridine kinase; pyrE, UMP synthase; upp, uracil phosphororibosyl transferase. * Asterisk indicates remnants.

Mitchell et al. BMC Genomics 2010 11:442   doi:10.1186/1471-2164-11-442

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