| Description | Streptococcus lutetiensis is a Gram-positive, spherical-shaped microbe that thrives in mesophilic temperatures, classified as a Chemoheterotroph, and can be found in various body sites, including the oral cavity, respiratory tract, and gastrointestinal tract, across different species. As a Facultative Anaerobe, S. lutetiensis can survive in both aerobic and anaerobic environments, making it a versatile microorganism. The Gram-positive characteristic of S. lutetiensis indicates that it has a thick peptidoglycan layer in its cell wall, which retains the crystal violet stain during the Gram staining procedure. Its spherical shape, also known as cocci, allows it to aggregate in chains or pairs, which is a common feature among streptococci. The mesophilic temperature preference of S. lutetiensis means it grows best in moderate temperatures, typically between 20-45°C. As a Chemoheterotroph, S. lutetiensis relies on chemical compounds for energy and carbon sources, which it obtains from its environment. Its ability to inhabit various body sites across different species makes it a opportunistic pathogen, capable of causing disease in vulnerable hosts. The Facultative Anaerobe nature of S. lutetiensis enables it to adapt to different oxygen levels, allowing it to thrive in a wide range of environments. S. lutetiensis has been isolated from patients with endocarditis, a serious infection of the heart valves, highlighting its potential to cause severe disease. Its ability to form biofilms and produce virulence factors, such as adhesins and hemolysins, contributes to its pathogenicity. |
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