Providencia rettgeri: Difference between revisions

Latest revision as of 19:51, 8 January 2025

Providencia rettgeri[edit]

Providencia rettgeri is a species of Gram-negative bacteria belonging to the genus Providencia. It is known for its role in human infections and its presence in various environments.

Characteristics[edit]

Providencia rettgeri is a rod-shaped, motile bacterium that is part of the family Morganellaceae. It is a facultative anaerobe, meaning it can survive in both aerobic and anaerobic environments. The bacterium is oxidase-negative and catalase-positive, which are important characteristics used in its identification.

Habitat[edit]

Providencia rettgeri is commonly found in soil, water, and sewage. It is also part of the normal intestinal flora of humans and animals. However, it can become pathogenic under certain conditions.

Pathogenicity[edit]

Providencia rettgeri is an opportunistic pathogen, primarily causing infections in immunocompromised individuals. It is associated with urinary tract infections, particularly in patients with long-term indwelling catheters. The bacterium can also cause wound infections, septicemia, and other healthcare-associated infections.

Antibiotic Resistance[edit]

Providencia rettgeri has been noted for its resistance to multiple antibiotics, which complicates treatment options. It often exhibits resistance to beta-lactam antibiotics and may produce extended-spectrum beta-lactamases (ESBLs), which confer resistance to a wide range of penicillins and cephalosporins.

Related pages[edit]

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-{{Infobox Bacteria
+==Providencia rettgeri==
-| color = lightgrey
-| name = ''Providencia rettgeri''
-| image =
-| domain = Bacteria
-| phylum = Proteobacteria
-| classis = Gammaproteobacteria
-| ordo = Enterobacterales
-| familia = Enterobacteriaceae
-| genus = ''Providencia''
-| species = ''P. rettgeri''
-}}
-'''''Providencia rettgeri''''' is a species of bacteria belonging to the genus ''Providencia'' within the family Enterobacteriaceae. It is a Gram-negative, rod-shaped bacterium that is commonly found in the environment, including soil, water, and sewage. ''P. rettgeri'' is also known to colonize the gastrointestinal tracts of humans and animals.
+'''Providencia rettgeri''' is a species of Gram-negative bacteria belonging to the genus '''[[Providencia (bacterium)|Providencia]]'''. It is known for its role in human infections and its presence in various environments.
-== Discovery and Taxonomy ==
+==Characteristics==
-''Providencia rettgeri'' was first isolated and described by the American bacteriologist Edwin O. Rettger in 1903. The species was named in honor of Rettger's contributions to the field of bacteriology. It was initially classified as a member of the genus ''Proteus'', but later reclassified into the genus ''Providencia'' based on genetic and phenotypic characteristics.
-== Morphology and Physiology ==
+Providencia rettgeri is a rod-shaped, motile bacterium that is part of the family '''[[Morganellaceae]]'''. It is a facultative anaerobe, meaning it can survive in both aerobic and anaerobic environments. The bacterium is oxidase-negative and catalase-positive, which are important characteristics used in its identification.
-''P. rettgeri'' is a non-spore-forming bacterium that appears as a straight or slightly curved rod under a microscope. It is typically 1-2 micrometers in length and 0.5-0.8 micrometers in width. The bacterium is motile due to the presence of flagella, which allow it to move in liquid environments.
-In terms of physiology, ''P. rettgeri'' is a facultative anaerobe, meaning it can survive and grow in both the presence and absence of oxygen. It is also capable of fermenting glucose and other sugars, producing acid and gas as byproducts. This bacterium is known to be catalase-positive and oxidase-negative.
+==Habitat==
-== Pathogenicity ==
+Providencia rettgeri is commonly found in soil, water, and sewage. It is also part of the normal intestinal flora of humans and animals. However, it can become pathogenic under certain conditions.
-''Providencia rettgeri'' is considered an opportunistic pathogen, meaning it primarily affects individuals with weakened immune systems or underlying health conditions. It is known to cause various infections, including urinary tract infections (UTIs), respiratory tract infections, wound infections, and bloodstream infections. ''P. rettgeri'' is often associated with hospital-acquired infections, particularly in patients with indwelling catheters or those undergoing invasive procedures.
-The pathogenicity of ''P. rettgeri'' is attributed to its ability to produce various virulence factors, such as adhesins, toxins, and enzymes. These factors enable the bacterium to adhere to host tissues, invade cells, and evade the immune system, leading to the establishment of infection.
+==Pathogenicity==
-== Treatment and Prevention ==
+Providencia rettgeri is an opportunistic pathogen, primarily causing infections in immunocompromised individuals. It is associated with urinary tract infections, particularly in patients with long-term indwelling catheters. The bacterium can also cause wound infections, septicemia, and other healthcare-associated infections.
-The treatment of ''Providencia rettgeri'' infections typically involves the use of antibiotics. However, the increasing prevalence of antibiotic resistance among ''P. rettgeri'' strains poses a significant challenge in the management of infections caused by this bacterium. It is important to conduct antimicrobial susceptibility testing to guide appropriate antibiotic selection.
-Prevention of ''P. rettgeri'' infections involves implementing strict infection control measures, such as proper hand hygiene, disinfection of medical equipment, and adherence to catheter care protocols. Additionally, the prudent use of antibiotics and the promotion of antimicrobial stewardship programs are crucial in preventing the emergence and spread of antibiotic-resistant strains.
+==Antibiotic Resistance==
-== References ==
+Providencia rettgeri has been noted for its resistance to multiple antibiotics, which complicates treatment options. It often exhibits resistance to beta-lactam antibiotics and may produce extended-spectrum beta-lactamases (ESBLs), which confer resistance to a wide range of penicillins and cephalosporins.
-{{Reflist}}
-[[Category:Bacteria]]
+==Related pages==
-[[Category:Enterobacteriaceae]]
+* '''[[Providencia (bacterium)]]'''
+* '''[[Morganellaceae]]'''
+* '''[[Urinary tract infection]]'''
+* '''[[Antibiotic resistance]]'''
+{{Bacteria}}
+[[Category:Providencia]]
 [[Category:Gram-negative bacteria]]
-[[Category:Opportunistic pathogens]]
+[[Category:Pathogenic bacteria]]