Table 1 Details of the strains used in this study, as obtained from NCBI and CCMP.

Strain

Refseq

Reference

size (Mbp)

coding

ratio

clade

MIT9312

NC_007577

[18]^a

1.71

1810

31

0.34

HLII

NATL2A

NC_007335

[19]

1.84

2162

35

0.97

LLI

SS120

NC_005042

[20]

1.75

1883

36

1.41

LLII

P acquisition mechanisms

PhoBR cluster

PtrA cluster

PhoA

PhoE

PstS

cluster

ArsA

cluster

ArsB cluster

ArsC cluster

MIT9312

√

x

√

√

√

√

x

√

NATL2A

√

√

√

√

√

√

x

√

SS120

x

√

x

x

(2)

x

x

√

Isolation details and culture conditions

Location

Depth

Isolated by

Date

Culture temp (°C)

Deposited

in

Media

MIT9312

Gulf stream

135 m

L. Moore

17/07/1993

22-26

CCMP

Pro99

NATL2A

N. Atlantic

10 m

D. Scanlan

01/04/1990

18-22

CCMP

Pro99

SS120

Sargasso Sea

120 m

S. Frankel & L West-Johnsrud

01/01/1991

18-22

CCMP

Pro99