Table 1. Information regarding the Synechococcus strains used in this study.

Strain name	A15-37	M16.1	WH7803	ROS8604	MVIR-16-2	MVIR-18-1
RCC #	2526	791	752	2380	1594	2385
Pigment type	3a	3a	3a	3a	3a	3a
Isolation site	Offshore Mauritania	Gulf of Mexico	Sargasso Sea	English Channel	Southern Norwegian Sea	Southern Norwegian Sea
Isolation latitude	23° 33′ N	27° 42′ N	33° 45′ N	48° 43′ N	60° 19′ N	61° 00′ N
Isolation longitude	19° 59′ W	91° 18′ W	67° 30′ W	3° 59′ W	3° 29′ W	1° 59′ E
Isolation date	29/09/2004	09/02/2004	03/07/1978	24/11/1986	21/07/2007	23/07/2007
Isolation Depth (m)	10	275	25	1	10	25
Isolation temperature (°C)	24.53	24.15	25.85	12.81	11.99	13.98

The pigment type nomenclature is described in Six et al., 2007c and Humily et al. (in press).