Toxin production by strains of Aeromonas hydrophila grown in laboratory media and prawn purée.
Toxin production by four strains of Aeromonas hydrophila grown at 30 and 37 degrees C in two laboratory media and prawn purée was studied. Three different cell lines were used to test for cytotoxic activity, haemolytic activity was tested against rabbit and guinea pig erythrocytes, proteolytic activity was assayed with azo-casein and enterotoxic activity using the suckling mouse assay. Results showed reduced cytotoxic and haemolytic activities in prawn purée compared with the two media, but in most cases increased proteolytic activity. No enterotoxic activity was observed in prawn purée although it was occasionally detectable in both laboratory media.
Todd
L S
LS
Food Hygiene Laboratory, Central Public Health Laboratory, London, U.K.
Hardy
J C
JC
Stringer
M F
MF
Bartholomew
B A
BA
D000333:Aeromonas / Q000254:growth & development / Q000378:metabolism*; D000818:Animals; D001427:Bacterial Toxins / Q000096:biosynthesis*; D002460:Cell Line; D003470:Culture Media; D003603:Cytotoxins / Q000096:biosynthesis; D033364:Decapoda; D004768:Enterotoxins / Q000096:biosynthesis; D006460:Hemolysin Proteins / Q000096:biosynthesis; D006801:Humans; D013696:Temperature
D001427:Bacterial Toxins; D003470:Culture Media; D003603:Cytotoxins; D004768:Enterotoxins; D006460:Hemolysin Proteins