Author/Authors :
Tseng, Shu-Ying Department of Veterinary Medicine - College of Veterinary Medicine - National Chung-Hsing University, Taiwan , Liu, Po-Yu Division of Infectious Diseases - Department of Internal Medicine - Taichung Veterans General Hospital, Taichung, Taiwan , Lee, Yi-Hsuan Department of Veterinary Medicine - College of Veterinary Medicine - National Chung-Hsing University, Taiwan , Wu, Zong-Yen Department of Veterinary Medicine - College of Veterinary Medicine - National Chung-Hsing University, Taiwan , Huang, Chiu-Chen Sing-Wang of Animal Hospital, Taichung, Taiwan , Cheng, Ching-Chang Laboratory Animal Service Center - Office of Research and Development - China Medical University, Taiwan , Chung Tung, Kwong Department of Veterinary Medicine - College of Veterinary Medicine - National Chung-Hsing University, Taiwan
Abstract :
Shewanella algae is a rod-shaped Gram-negative marine bacterium frequently found in nonhuman sources such as aquatic ecosystems and has been shown to be the pathogenic agent in various clinical cases due to the ingestion of raw seafood. The results of this study showed that S. algae was present in approximately one in four samples, including water and shellfish samples. Positive reactions (API systems) in S. algae strains were seen for gelatinase (gelatin); however, negative reactions were found for indole production (tryptophan). S. algae is adapted to a wide range of temperatures (4°C, 25°C, 37°C, and 42°C) and salinity. Temperature is a key parameter in the pathogenicity of S. algae as it appears to induce hemolysis at 25°C and 37°C. S. algae exhibits pathogenic characteristics at widely varying temperatures, which suggests that it may have the ability to adapt to climate change.
