Bacteria which can be isolated from the seaweed with ice-ice symptoms include Pseudomonas spp., Pseudoalteromonas gracilis, and Vibrio spp. Agarase (arginase) of bacteria is one of the virulence factors that contribute to infection ice-ice (Yuan, 1990). Predisposing factors or other triggers may also cause ice-ice. Predisposing it include pests such as fish rabbitfish (Siganus spp.), Green turtle (Chelonia midas), sea ...
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