TABLE 3.

Reference Prochlorococcus genomes used in this study

Strain	Ecotype	Assembly size (bp)	%GC	No. of coding sequences	NCBI accession no.
MIT9515	HLI	1,704,176	30.8	1,964	CP000552
EQPAC1	HLI	1,654,739	30.8	1,958	JNAG00000000
MED4	HLI	1,657,990	30.8	1,962	BX548174
MIT0604	HLII	1,780,061	31.2	2,092	CP007753
AS9601	HLII	1,669,886	31.3	1,938	CP000551
GP2	HLII	1,624,310	31.2	1,878	JNAH00000000
MIT9107	HLII	1,699,937	31	1,994	JNAI00000000
MIT9116	HLII	1,685,398	31	1,984	JNAJ00000000
MIT9123	HLII	1,697,748	31	1,999	JNAK00000000
MIT9201	HLII	1,672,416	31.3	1,987	JNAL00000000
MIT9202	HLII	1,691,453	31.1	2,019	DS999537
MIT9215	HLII	1,738,790	31.1	2,043	CP000825
MIT9301	HLII	1,641,879	31.3	1,927	CP000576
MIT9302	HLII	1,745,343	31.1	2,016	JNAM00000000
MIT9311	HLII	1,711,064	31.2	1,978	JNAN00000000
MIT9312	HLII	1,709,204	31.2	1,979	CP000111
MIT9314	HLII	1,690,556	31.2	1,979	JNAO00000000
MIT9321	HLII	1,658,664	31.2	1,962	JNAP00000000
MIT9322	HLII	1,657,550	31.2	1,961	JNAQ00000000
MIT9401	HLII	1,666,808	31.2	1,969	JNAR00000000
SB	HLII	1,669,823	31.5	1,932	JNAS00000000
MIT0801	LLI	1,929,203	34.9	2,278	CP007754
NATL1A	LLI	1,864,731	35	2,248	CP000553
NATL2A	LLI	1,842,899	35.1	2,209	CP000095
PAC1	LLI	1,841,163	35.1	2,254	JNAX00000000
LG	LLII/III	1,754,063	36.4	1,989	JNAT00000000
MIT0601	LLII/III	1,707,342	37	1,936	JNAU00000000
MIT0602	LLII/III	1,750,918	36.3	2,002	JNAV00000000
MIT0603	LLII/III	1,752,482	36.3	2,012	JNAW00000000
MIT9211	LLII/III	1,688,963	38	1,952	CP000878
SS35	LLII/III	1,751,015	36.4	1,988	JNAZ00000000
SS52	LLII/III	1,754,053	36.4	1,985	JNBE00000000
SS120	LLII/III	1,751,080	36.4	1,982	AE017126
SS2	LLII/III	1,752,772	36.4	1,986	JNAY00000000
SS51	LLII/III	1,746,977	36.4	1,977	JNBD00000000
MIT0701	LLIV	2,592,571	50.6	3,082	JNBA00000000
MIT0702	LLIV	2,583,057	50.6	3,084	JNBB00000000
MIT0703	LLIV	2,575,057	50.6	3,078	JNBC00000000
MIT9303	LLIV	2,682,675	50	3,243	CP000554
MIT9313	LLIV	2,410,873	50.7	3,002	BX548175