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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 ...
Pluralibacter gergoviae (formerly Enterobacter gergoviae) is a Gram-negative, motile, facultatively-anaerobic, rod-shaped bacterium. [1] P. gergoviae is of special interest to the cosmetics industry, as it displays resistance to parabens , a common antimicrobial agent added to cosmetic products.
Proteus penneri is a Gram-negative, facultatively anaerobic, rod-shaped bacterium. [1] It is an invasive pathogen [2] and a cause of nosocomial infections of the urinary tract or open wounds. [3] Pathogens have been isolated mainly from the urine of patients with abnormalities in the urinary tract, and from stool. [4]
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.
Morganella morganii is a species of Gram-negative bacteria. [2] It has a commensal relationship within the intestinal tracts of humans, mammals, and reptiles as normal flora. [ 2 ] Although M. morganii has a wide distribution, it is considered an uncommon cause of community-acquired infection, and it is most often encountered in postoperative ...
Pseudomonas stutzeri is a Gram-negative soil bacterium that is motile, has a single polar flagellum, and is classified as bacillus, or rod-shaped. [1] [2] While this bacterium was first isolated from human spinal fluid, [3] it has since been found in many different environments due to its various characteristics and metabolic capabilities. [4]
Pantoea agglomerans is a Gram-negative bacterium that belongs to the family Erwiniaceae.. It was formerly called Enterobacter agglomerans, or Erwinia herbicola and is a ubiquitous bacterium commonly isolated from plant surfaces, seeds, fruit, and animal or human feces and can be found throughout a honeybee's environment. [1]
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.