Table 2.

Presence of the acsF and the bchE genes among full-genome-sequenced phototrophic Proteobacteria

Organism	GenBank no.	Group	Presence/absencea of:
			acsF	bchE
Acidiphilium multivorum AIU301	AP012035	α1, AAP	•	∘
Phaeospirillum molischianum DSM 120	ZP_09875400	α1, PNB	−	∘
Rhodospirillum centenum SWb	CP000613	α1, PNB	•	∘
Rhodospirillum rubrum ATCC 11170	CP000230	α1, PNB	−	∘
Rhodospirillum photometricum DSM 122	YP_005416037	α1, PNB	−	∘
Ahrensia sp. strain R2A130	NZ_AEEB01000017	α2, AAP	•	−
Agrobacterium albertimagni AOL15	ALJF00000000	α2, AAP	•	∘
Hoeflea phototrophica DFL43	NZ_ABIA02000022	α2, AAP	•	−
Labrenzia alexandrii DFL11	NZ_EQ973123.1	α2, AAP	•	∘
Methylobacterium sp. strain 4-46	CP000943	α2, AAP	•	∘
Methylobacterium radiotolerans	CP001001	α2, AAP	•	−
Methylobacterium populi BJ001	YP_001927978	α2, AAP	•	−
Methylobacterium extorquens AM1	YP_002966142	α2, AAP	•	−
Methylocella silvestris BL2	CP001280	α2, AAP	•	−
Bradyrhizobium sp. strain BTAi1	CP000494	α2, PNB	•	•
Bradyrhizobium sp. strain ORS278	CU234118	α2, PNB	•	•
Rhodomicrobium vannielii ATCC 17100	NC_014664	α2, PNB	−	∘
Rhodopseudomonas palustris	Multipled	α2, PNB	•	∘
Dinoroseobacter shibae DFL12	CP000830	α3, AAP	•	∘
Jannaschia sp. strain CCS1	CP000264	α3, AAP	•	−
Loktanella vestfoldensis SKA53	AAMS01000000	α3, AAP	•	−
Roseobacter denitrificans Och 114	CP000362	α3, AAP	•	∘
Roseobacter litoralis Och 149c	ABIG00000000	α3, AAP	•	∘
Roseobacter sp. strain AzwK-3b	ABCR00000000	α3, AAP	•	•
Roseobacter sp. strain CCS2	AAYB00000000	α3, AAP	•	−
Roseovarius sp. strain TM1035	ABCL00000000	α3, AAP	•	∘
Roseovarius sp. strain 217	AAMV00000000	α3, AAP	•	∘
Rhodobacter capsulatus SB 1003	NC_014034	α3, PNB	−	•
Rhodobacter sphaeroides	Multiplee	α3, PNB	•	•
Rhodobacter sp. strain SW2	ZP_05842911	α3, PNB	•	•
Erythrobacter sp. strain NAP1	AAMW00000000	α4, AAP	•	−
Citromicrobium bathyomarinum JL354	ZP_06861151	α4, AAP	•	∘
Sphingomonas spp.	Multiplef	α4, AAP	•	−
Brevundimonas subvibrioides ATCC 15264	CP002102	α4, AAP	•	−
Rubrivivax gelatinosus IL-114	NC_017075	β, PNB	•	∘
Rubrivivax benzoatilyticus JA2	NZ_AEWG01000000	β, PNB	•	∘
Methyloversatilis universalis FAM5	ZP_08506871	β, PNB	•	−
Limnohabitans sp. strain Rim28	ALKN00000000	β, PNB	•	−
Limnohabitans sp. strain Rim47	ALKO00000000	β, PNB	•	−
Allochromatium vinosum DSM 180	NC_013851	γ, PSB	−	∘
Ectothiorhodospira sp. strain PHS-1	NZ_AGBG01000002	γ, PSB	−	∘
Halorhodospira halophila SL1	CP000544	γ, PSB	−	•
Marichromatium purpuratum 984	NZ_AFWU01000001	γ, PSB	−	∘
Thiocapsa marina 5811	NZ_AFWV01000003	γ, PSB	−	∘•
Thiocystis violascens DSM198	AGFC00000000	γ, PSB	−	∘
Thioflavicoccus mobilis 8321	NC_019940	γ, PSB	−	∘
Thiorhodococcus drewsii AZ1	NZ_AFWT01000007	γ, PSB	−	∘
Thiorhodospira sibirica ATCC 700588	AGFD01000016	γ, PSB		∘
Congregibacter litoralis KT71	AAOA01000014	γ, AAP	•	•
Gammaproteobacterium strain NOR5-3	ZP_05125815	γ, AAP	•	•
Gammaproteobacterium strain NOR51-B	NZ_DS999411	γ, AAP	•
Gammaproteobacterium strain HTCC2080	NZ_DS999405	γ, AAP	•
Gammaproteobacterium strain HIMB55	ZP_09691978	γ, AAP	•

^aThe genome data were obtained from GenBank. •, gene present in the PGC; ∘, gene present outside PGC; −, gene absent.

^bAlternative name, Rhodocista centenaria.

^cIn Roseobacter litoralis, PGC is located on a plasmid whereas the bchE gene is located on the chromosome.

^dRepresents the following strains of Rhodopseudomonas palustris: TIE-1 (CP001096), BisA53 (CP000463), BisB18 (CP000301), BisB5 (CP000283), CGA009 (BX571963), HaA2 (NC_007778), and DX-1 (NC_014834).

^eRepresents the following strains of R. sphaeroides: 2.4.1. (CP000143), KD131 (NC_011963), WS8N (AFER01000001), ATCC 17029 (NC_009049), and ATCC 17025 (NC_009428).

^fRepresents the following Sphingomonas isolates: S. echinoides ATCC 14820 (AHIR00000000) and Sphingomonas sp. strains PAMC 26605 (AHIS00000000), PAMC 26617 (AHHA00000000), and PAMC 26621 (AIDW00000000).