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Gram-negative folliculitis occurs in patients who have had moderately inflammatory acne for long periods and have been treated with long-term antibiotics, mainly tetracyclines, a disease in which cultures of lesions usually reveals a species of Klebsiella, Escherichia coli, Enterobacter, or, from the deep cystic lesions, Proteus. [1]: 242, 273
Klebsiella oxytoca on agar plate. Klebsiella oxytoca is a Gram-negative, rod-shaped bacterium that is closely related to K. pneumoniae, from which it is distinguished by being indole-positive; it also has slightly different growth characteristics in that it is able to grow on melezitose, but not 3-hydroxybutyrate.
Gram-negative toe web infection is a skin condition that often begins with dermatophytosis. [1]: 272 Gram-negative toe web infection is a relatively common infection. It is commonly found on people who are engaged in athletic activities while wearing closed-toe or tight fitting shoes. It grows in a moist environment.
These gram-negative, aerobic bacteria reside in the mucosal membranes of the upper respiratory tract, functioning as commensals. [3] However, this species can also play a pathogenic role in immunocompromised and diabetic individuals. [4] In rare cases, it has been linked to meningitis, pneumonia, empyema, endocarditis, and sepsis.
Gram negative bacterial species are responsible for approximately 24% of all cases of healthcare-associated bacteremia and 45% of all cases of community-acquired bacteremia. [ 21 ] [ 22 ] In general, gram negative bacteria enter the bloodstream from infections in the respiratory tract , genitourinary tract , gastrointestinal tract, or ...
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.
Lemierre's syndrome begins with an infection of the head and neck region, with most primary sources of infection in the palatine tonsils and peritonsillar tissue. [10] Usually this infection is a pharyngitis (which occurred in 87.1% of patients as reported by a literature review [ 6 ] ), and can be preceded by infectious mononucleosis as ...
Pseudescherichia vulneris is a Gram-negative bacterial species. P. vulneris is a fermentative, oxidase-negative, motile rod, which holds characteristics of the family Enterobacteraceae. This bacterium can colonize in the respiratory tract, genital tract, stool, and urinary tract.