TABLE 1 

Characteristics of SAR11 genomes used in this study

CharacteristicValue or description for strain
HTCC1062HTCC1002HTCC9565HTCC7211HIMB5HIMB114HIMB59
SubcladeIaIaIaIaIaIIIaVa
EnvironmentCoastal, temperateCoastal, temperateOpen ocean, temperateOpen ocean, subtropic Coastal, tropicCoastal, tropicCoastal, tropic
OriginNE PacificNE PacificNE PacificSargasso Sea, AtlanticN. PacificN. PacificN. Pacific
Size (Mbp)1.3091.3231.2801.4571.3431.2371.410
StatusClosedClosed3 contigsClosedClosed1 contigClosed
GC content
(%)
29.729.828.929.028.629.632.3
Total
no. of genes
1,3941,4231,3861,5761,4671,3571,532
No. of protein
coding genes
1,3541,3871,3521,5411,4311,3211,493
% SAR11
corea
54.052.654.048.551.056.451.8
% SAR11
uniqueb
 1.4 3.6 7.110.77.813.126.2
% subclade
Ia corea
80.878.480.772.975.9
% subclade
Ia uniquea
1.43.97.612.810.9
  • a  Percentage of total genes within the SAR11 or SAR11 subclade Ia core.

  • b  Percentage of total genes unique to individual strains compared with all seven SAR11 genomes (SAR11 unique) or five SAR11 subclade Ia genomes (subclade Ia unique).