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Note: + = Positive, - =Negative P. aeruginosa is a Gram-negative, aerobic (and at times facultatively anaerobic), rod-shaped bacterium with unipolar motility. [80] It has been identified as an opportunistic pathogen of both humans and plants. [81] P. aeruginosa is the type species of the genus Pseudomonas. [82]
Pseudomonas is a genus of Gram-negative bacteria belonging to the family Pseudomonadaceae in the class Gammaproteobacteria.The 348 members of the genus [2] [3] demonstrate a great deal of metabolic diversity and consequently are able to colonize a wide range of niches and hosts.
P. aeruginosa and S. aureus are some of the most ubiquitous pathogens in biofilms found in healthcare. [4] P. aeruginosa is a Gram-negative, rod-shaped bacterium, commonly found in the gut flora, soil, and water that can be spread directly or indirectly to patients in healthcare settings.
The Gram-negative diplococci Neisseria and Moraxella are oxidase-positive. [2] Many Gram-negative, ... identification of Pseudomonas aeruginosa. Journal of ...
Gram-negative bacteria are bacteria that, unlike gram-positive bacteria, do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation. [1] Their defining characteristic is that their cell envelope consists of a thin peptidoglycan cell wall sandwiched between an inner ( cytoplasmic ) membrane and an outer ...
Studies also suggest the emergence of antibiotic resistance in P. aeruginosa. [5] In 2000, the complete genome of a Pseudomonas species was sequenced; more recently, the genomes of other species have been sequenced, including P. aeruginosa PAO1 (2000), P. putida KT2440 (2002), P. fluorescens Pf-5 (2005), P. fluorescens PfO-1, and P. entomophila ...
CR Pseudomonas aeruginosa is commonly present in intensive-care units, and can lead to dangerous infections. [30] In Thai hospitals, of 261 multidrug-resistant samples collected of P. aeruginosa (not part of the Enterobacteriaceae), 71.65% were carbapenem-resistant. [30] Site of cleavage by beta-lactamase
Pseudomonadota are a diverse group. Though some species may stain Gram-positive or Gram-variable in the laboratory, they are nominally Gram-negative. Their unique outer membrane is mainly composed of lipopolysaccharides, which helps differentiate them from the Gram-positive species. [33] Most Pseudomonadota are motile and move using flagella.