BACKGROUND Atrophic rhinitis is a widely prevalent infectious disease of swine caused by Bordetella bronchiseptica and Pasteurella multocida. The course of the disease is considered to be different depending on the principal aetiological agents distinguishing B. bronchiseptica induced non-progressive and toxigenic P. multocida produced progressive forms. In order to compare the pathological eve...

The Gram-negative bacterium Pasteurella multocida is the causative agent of a number of economically important animal diseases, including avian fowl cholera. Numerous P. multocida virulence factors have been identified, including capsule, lipopolysaccharide (LPS), and filamentous hemagglutinin, but little is known about how the expression of these virulence factors is regulated. Hfq is an RNA-b...

Seven-day-old gnotobiotic pigs were inoculated intranasally with Pasteurella multocida and euthanatized 2, 5, 9, and 14 days after inoculation. Tissues from the oropharynx and respiratory tract of pigs were cultured quantitatively and analyzed microscopically. Pigs remained afebrile and alert, except one that died of acute fibrinopurulent pneumonia. Pasteurella multocida was isolated in greates...

Several novel 15-membered-ring macrolide agents (azalide 1, triamilides 2 and 3, and the azalide 3,6-ketal 4) were identified as potential antibacterial agents against Mannheimia (formerly named as Pasteurella) haemolytica, Pasteurella multocida, Haemophilus somnus and Actinobacillus pleuropneumoniae, important etiological agents of bovine and porcine respiratory disease. Compound 3 is the majo...

Pasteurella multocida is a heterogeneous species that is a primary pathogen of many different vertebrates. This Gram-negative bacterium can cause a range of diseases, including fowl cholera in birds, haemorrhagic septicaemia in ungulates, atrophic rhinitis in swine, and lower respiratory tract infections in cattle and pigs. One of the primary virulence factors of P. multocida is lipopolysacchar...

In the last 15 years only few cases of Pasteurella multocida (P. multocida) total knee arthroplasty infection have been published, mostly related to cat or dog bites or scratches. We report a case of P. multocida total knee arthroplasty infection in a 64-year- old patient, 10 days after being scratched and bitten by his cat. The patient was successfully treated with debridement and tibial inter...

A total of 111 Pasteurella multocida isolates recovered from healthy and diseased rabbits were typed for capsular and somatic antigens by the typing systems of Carter and Heddleston, respectively. The major serotypes of the 48 P. multocida isolates recovered from nasal cavities of healthy rabbits were serotypes 12:A (33%), nontypable:A (50%), and nontypable:D (10%). Similarly, the major serotyp...

The protein analysis of Pasteurella multocida organism was performed by sodium dodycyle sulphate polyacrylamide gel electrophoresis (SDS-PAGE) technique using a high pH discontinous buffer system. Six isolates of the Pasteurella multocida organism were confirmed by Gram’s staining and different biochemical tests. In the protein fractions of purified Pasteurella multocida strains, seven polypept...

Mice immunized with the potassium thiocyanate extract of Pasteurella haemolytica, serotype 1, were found to resist a challenge infection of P. multocida type A, thus demonstrating cross-protection. This finding was further supported by the finding that an antiserum directed against the potassium thiocyanate extract of P. haemolytica was bactericidal to P. multocida and vice versa.

Pasteurellosis is one of the important economic diseases in ruminants, especially in cows and buffaloes. It is caused by Pasteurella multocida and occasionally by Mannheimia haemolytica. The aim of this study was to isolate Pasteurella multocida from lungs with probable mentioned bacterial agents in cows and buffaloes in Urmia's slaughter house. 240 lung samples over a period of 12 months were ...