Table 2.

Marine species with TtpC-TonB2 system homologs.

TtpC2–TonB2	TtpC3–TonB3
Vibrio anguillaram
Vibrio cholerae
Vibrio coralliiltticus
Vibrio furnissii
Vibrio metschniovi
Vibrio mimicus
Vibrio orientalis
Vibrio shilonii
Vibrio splendidus
Vibrio alginolyticus	V. alginolyticus
Vibrio angustum	V. angustum
Vibrio fischeri	V. fischeri
Vibrio harveyi	V. harveyi
Vibrio parahaemolyticus	V. parahaemolyticus
Vibrio vulnificus	V. vulnificus
Aliivibrio salmonicida	A. salmonicida
Photobacterium profundum	P. profundum
Teredinibacter turnerae	T. turnerae
Aeromonas hydrophilia
Aeromonas salmonicida
Photobacterium damselae
Pseudomonas mendocina
Pseudomonas stutzeri
Shewanella halifaxenis
Shewanella putrefaciens