Aeromonas hydrophila subsp. hydrophila ATCC 7966

Aeromonas hydrophila subsp. hydrophila ATCC 7966 is a Gram-negative, rod-shaped bacterium that thrives best at mesophilic temperatures (optimal growth around 30-37°C). It is classified as a heterotroph due to its reliance on organic compounds for nutrition and is categorized as a facultative anaerobe, capable of surviving in both aerobic and anaerobic environments. This adaptability allows it to colonize various body sites in different species, including freshwater habitats, the intestines of warm-blooded animals, and even humans. As a member of the Aeromonadaceae family, A. hydrophila subsp. hydrophila is known for its versatile metabolic capabilities. In aquatic ecosystems, it can be found in both freshwater and brackish environments, often associated with fish and amphibians, where it plays a role in nutrient cycling. In the human body, it can be implicated in gastrointestinal infections, particularly in immunocompromised individuals, and is linked to wound infections after exposure to contaminated water. The bacterium's pathogenic potential is attributed to its production of virulence factors, including enterotoxins and various enzymes that facilitate tissue invasion and immune evasion. Notably, A. hydrophila is capable of producing biofilms, which enhance its survival in hostile environments and contribute to its persistence in freshwater systems and clinical settings. Beyond its pathogenicity, Aeromonas hydrophila subsp. hydrophila is also of interest in aquaculture due to its role in fish diseases and potential applications in biotechnology. Researchers are exploring its properties for bioremediation and enzyme production, indicating its versatility in environmental and industrial contexts.