Plesiomonas: A Review on Food Safety, Fish-Borne Diseases, and Tilapia

Table 2

Biochemical identification among Plesiomonas, Vibrio, and Aeromonas bacteria present in fish and fish products [29–32, 75–78].

Test	Microorganism
	Vibrio	Aeromonas	Plesiomonas
Oxidase	+	+	+
Mobility	+	+	+
Indole	+	+	+
Mannitol	+	+	−
O129	S	R	R
LDCA	+	−	+
ODCA	(+)	−	+
ADHA	−	(+)	+
Inositol	−	−	(+)

+: positive, −: negative, (+): late positive, S: sensitive, R: resistant. LDCA: lysine decarboxylase, ODCA: ornithine decarboxylase, ADHA: arginine dihydrolase, vibriostatic agent O/129.