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Rothia mucilaginosa is a Gram-positive, coagulase-negative, encapsulated, non-spore-forming and non-motile coccus, present in clusters, tetrads or pairs that is a part of the normal oropharyngeal flora. [3] Belonging to the family Micrococcaceae, it was first isolated from the mucous membrane of the cheek and gingiva. [4]
One reason for such a discrepancy is that normal, healthy lungs have bacteria, and sputum cultures collect both normal and pathogenic bacteria. However, pure cultures of common respiratory pathogens in the absence of upper respiratory flora combined with symptoms of respiratory distress provides strong evidence of the infectious agent, and its ...
Graphic depicting the human skin microbiota, with relative prevalences of various classes of bacteria. The human microbiome is the aggregate of all microbiota that reside on or within human tissues and biofluids along with the corresponding anatomical sites in which they reside, [1] [2] including the gastrointestinal tract, skin, mammary glands, seminal fluid, uterus, ovarian follicles, lung ...
The species and diversity of the microorganisms may be related to the various levels of hormones during pregnancy. Vaginal flora can be transmitted to babies during birth. Vaginal dysbiosis can lead to vaginal infections like bacterial vaginosis which makes one relatively susceptible to sexually transmitted diseases.
Capnocytophaga spp. are fusiform Gram-negative bacilli, and are part of the oral commensal flora. Microscopic observation revealed a high degree of polymorphism, with a variation in the size and appearance depending on the strain and culture conditions. This polymorphism is also reflected in the observation of colonies (orange-pigmented ...
The genus Anaerococcus are non motile bacteria who can not form spores. [4] [12] [2] Depending on the species the arrangement can be different. The most common arrangements within this genus are pairs, tetrads, short chains and irregular formations. [10] [4] Their cells size can differ from 0.6μm to 0.9μm. [10]
Kingella kingae is a species of Gram-negative facultative anaerobic β-hemolytic coccobacilli. First isolated in 1960 by Elizabeth O. King, it was not recognized as a significant cause of infection in young children until the 1990s, when culture techniques had improved enough for it to be recognized.
A. haemolyticum is the cause of pharyngitis (sore throat) in up to 2.5% of cases. [8] In one study, it was the causative agent of pharyngitis in 1.4% of military conscripts. [9] It is rarely found in the skin or throat of healthy people, meaning it is not a member of the usual bacterial flora. [3]