Characteristics of the pathogens: Gram-negative bacteria
Some Gram-negative bacteria have been described as fish pathogens with little if any supportive evidence. Consequently, a question mark hangs over whether or not such organisms should be regarded as bona fide pathogens. In the following text, it will become apparent that varying amounts of information are available for the Gram-negative bacterial fish pathogens. For some, e.g. Aer. salmonicida, a wealth of information is available. Unfortunately, for others, such as Aer. bestiarum, barely enough information is available to enable scientists to recognise fresh isolates.
KeywordsAtlantic Salmon Ornithine Decarboxylase Fish Pathogen Arginine Dihydrolase Single Polar Flagellum
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