Table 3.

Key phenotypic characteristics (antibiotic sensitivity and growth capacity) of Vibrio aestuarianus strains isolated from cockles and oysters compared with the V. aestuarianus type strain

Strains: 1, 17 strains from cockles; 2, V. aestuarianus LMG 7909^T; 3, oyster strain 02/041^T; 4, oyster strain 02/093; 5, Results of Garnier et al. for 11 oyster strains [26]. Flumequine 30 µg (UB30), kanamycin 30 µg (K30), tetracycline 30 µg (TE30), sulfamethoxazole/trimethoprim 19 : 1 25 µg (SXT25), streptomycin 25 µg (S25), sulfonamides 300 µg (S3), erythromycin 30 µg (E30), penicillin 10 UI (6 µg) (P10), trimethoprim 5 µg (W5), chloramphenicol 30 µg (C30), ampicillin 10 µg (AMP10), gentamicin 30 µg (CN30) or the vibriostatic agent, pteridine 150 µg and 10 µg (O129/150 and O129/10). +, Positive; −, negative; nd, no data.

Characteristic	1	2	3	4	5
AMP10, C30, E30, K30, TE30	+	+	+	+	+
P10, UB30, SXT25, S25, S3, W5, CN30, O129/150, O129/10	+	+	+	+	nd
Growth at 4 and 20 °C	+	+	+	+	+
Growth at 35 and 37 °C	+	+	+	+	−
Growth at 40 °C or in absence of salt	−	−	−	−	−
Growth in 6 % NaCl	−	+	−	−	−
Growth on TCBS	−	+	−	−	−