Table 3.

Strain comparison between the published strains Aurantimonas altamirensis and Aurantimonas coralicida with Aurantimonas spp. SI85-9A1 and HTCC 2156. + = positive, (+) = weakly positive, − = negative.

Characteristic	A. altamirensis	A. coralcida	SI85-9A1	HTCC 2156
pH optimum	6.8*	7.6	6.8 to 7.5	7.5 to 8.0
pH Range	5.5 to 9.5*	n/d	5.5 to 10	5.5 to 10
Temp Range(°C)	10 to 40	4 to 37	10 to 40	4 to 40
Temp Optimum (°C)	28	28	27 to 30	30
Salt optimum (% NaCl)	0 to 2	3.2	2.5	2.0 to 2.5
Growth at 10% salt	−	−	+	+
Gram Stain	negative	negative	negative	negative
Pigment absorbance (nm)	447, 447–471, 424–427 inflection	447, 470–471, 424–427 inflection	450, 471–477, 424–429 inflection	452, 339
DNA G+C mol%	71.8	66.3	67	68.5
Manganese oxidation	−*	−	+	+
Carbon Source Utilization
Acetic Acid	+*	+	(+)	−
Adenine	+	−	n/d	n/d
α-Keto Glutaric Acid	+*	−	+	+
α-D-Glucose	+	−	+	+
D-Galactose	+	+	+	+
D-Mannitol	+	−	+	+
D-Melibiose	(+)	+	−	+
Formic Acid	+*	−	+	+
Gentiobiose	−	+	−	+
Gluconic Acid	+	+	+	+
Glycerol	+*	+	+	+
i-Erythritol	+	−	+	−
L-Arabinose	+	+	+	+
L-Asparagine	+*	(+)	+	−
L-Glutamic Acid	+*	+	+	+
L-Pyroglutamic Acid	−*	−	+	−
L-Rhamnose	+	+	+	+
L-Serine	+*	+	−	+
Malonic Acid	+	−	−	−
Maltose	+	(+)	−	−
m-Inositol	+*	−	+	−
N-Acetyl-D-Galactosamine	+	(+)	−	−
Fatty Acids (%)
C16:0	11.3	6.7	7.16	2.3
C16:1ω7c	−	1.3	4.36	−
C18:0	0.7	1.5	−	1.3
C18:1 2-OH	3.5	2	3	0.8
C18:1ω7c	74.4	76.9	−	63
C18:1ω9t	−	−	64.31	−
C19:0ω7c cyclo	−	−	21.16	−
C19:0ω8c cyclo	−	10.5	−	28

^*Extra experiments performed in this study to complement the work of Jurado et al. 2006.

n/d = not determined