Taxonomy and evolution of bacteriochlorophyll a-containing members of the OM60/NOR5 clade of marine gammaproteobacteria: description of Luminiphilus syltensis gen. nov., sp. nov., reclassification of Haliea rubra as Pseudohaliea rubra gen. nov., comb. nov., and emendation of Chromatocurvus halotolerans

Table 3 Presence of genes with taxonomic significance in members of the OM60/NOR5 and BD1-7 clades

Signature genes	Putative phenotypic trait	NOR5-1		NOR5-3		NOR5-4	BD1-7
Signature genes	Putative phenotypic trait	1	2	3	4	5	6
pufLMC	Photosynthetic reaction center	+	+	+	+	-	-
pucAB	Light-harvesting complex 2	-	-	+	+	-	-
ppsR	Repression of pigment synthesis	+	+	+	+	-	-
BLUF	Response to blue light	+	+	+	+	+	-
pop	Proteorhodopsin	-	-	-	-	+	+
soxB	Thiosulfate oxidation	+	+	+	+	+	-
ctaCDGE	caa₃ cytochrome c oxidase	+	+	+	+	+	+
ccoNOQP	cbb₃ cytochrome c oxidase	+	+	+	+	+	+
cydAB	Cytochrome bd2 quinol oxidase	-	-	-	+	-	-
flhOPQRBA	Motility	-	+	+	+	+	+
pilMNOPQ	Type IV pili	+	+	+	+	+	+
cphAB	Cyanophycin production	-	-	+	+	-	-
ppk	Polyphosphate storage	+	+	+	+	+	-
phaBC	Polyhydroxyalkanoate production	+	-	-	-	-	-
desC	Oxygen-dependent synthesis of monounsaturated fatty acids	-	+	+	+	+	+
sod	Superoxide dismutase	+	-	+	+	+	-
katG	Catalase/Peroxidase	+	+	+	+	+	-
ureABC	Urease	-	-	+	+	-	-
bglx	Beta-glucosidase	-	+	-	+	+	+
paaNBDFGHIJK	Aromatic ring cleavage	+	+	-	-	-	-

The affiliation of strains to subclades is based on [13]. Strains and accession numbers: 1, Luminiphilus syltensis Ivo14^T [GenBank:ACCY01000000]; 2, marine gammaproteobacterium HTCC 2080 [GenBank:AAVV01000000]; 3, Congregibacter litoralis KT71^T [GenBank:AAOA01000000]; 4, Congregibacter sp. Rap1red [GenBank:ACCX01000000]; 5, gammaproteobacterium IMCC3088 [GenBank:AEIG01000000]; 6, marine gammaproteobacterium HTCC2143 [GenBank:NZ_AAVT00000000].

ISSN: 1471-2180