| Description | Selenomonas noxia is a Gram-negative, curved or crescent-shaped microbe that prefers to thrive in mesophilic temperatures, categorized as a Chemoheterotroph, and can be found in various body sites, including the oral cavity, gastrointestinal tract, and genitourinary tract, across different species. As an Obligate Anaerobe, Selenomonas noxia requires a strict anaerobic environment to survive, which is reflected in its inability to grow in the presence of oxygen. The Gram-negative stain characteristic of Selenomonas noxia indicates that its cell wall is composed of a thin peptidoglycan layer, making it more susceptible to certain antibiotics. Its unique curved shape allows it to occupy specific ecological niches, such as the gingival crevice, where it can contribute to the development of periodontal diseases. As a mesophile, Selenomonas noxia grows best in temperatures between 20-45°C, which is typical of many human-associated microbes. As a Chemoheterotroph, Selenomonas noxia relies on organic compounds for energy and carbon, which it obtains from its host or environment. This characteristic is essential for its survival and ability to thrive in various body sites. The absence of oxygen is crucial for the growth and metabolism of Selenomonas noxia, as it uses anaerobic respiration to generate energy. Selenomonas noxia has been implicated in several human diseases, including periodontitis and bacterial vaginosis, due to its ability to produce volatile sulfur compounds and other toxic metabolites. Its presence in the human microbiome highlights the complex interactions between microbes and their hosts, and further research is needed to understand its role in maintaining health and causing disease. The unique combination of characteristics in Selenomonas noxia makes it a significant microbe in the human microbiome, with its anaerobic nature and chemoheterotrophic metabolism contributing to its pathogenic potential. |
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