Streptococcus suis strain PP422

Streptococcus suis strain PP422 is a Gram-positive bacterium characterized by its cocci shape and a cell arrangement that can be found in chains, pairs, or singles. This strain is classified as a facultative anaerobe, allowing it to thrive in both aerobic and anaerobic environments. Optimal growth occurs at 37°C, placing it within the mesophilic temperature range. Notably, this strain does not exhibit mobility, as it is non-flagellated. The habitat of S. suis strain PP422 is specialized, and it is identified as a free-living organism. It has a single replicon and one membrane, which is typical for many bacteria. This strain has a diverse range of hosts, including Homo sapiens, Metazoa, Danio rerio (zebrafish), and Sus scrofa (domestic pig), indicating its adaptability and potential zoonotic implications. Health effects associated with S. suis strain PP422 are significant, including serious conditions such as endocarditis, meningitis, septicaemia, endophthalmitis, and various forms of sepsis. The presence of this bacterium can lead to streptococcal diseases, which are particularly concerning in human health, as they can result in fever, endometritis, spinal canal infections, and systemic infections. The ecological insight into S. suis strain PP422 highlights its role as both a pathogen in humans and animals, suggesting a complex interaction with its hosts. Its potential to cause severe health issues underlines the importance of monitoring and understanding this strain within both clinical and environmental contexts.