Virulence Genes and Antimicrobial Resistance Profiles ofPasteurella multocidaStrains Isolated from Rabbits in Brazil | Zendy

Thaís Sebastiana Porfida Ferreira | Zendy; Maria Roberta Felizardo | Zendy; Débora Dirani Sena de Gobbi | Zendy; Cleise Ribeiro Gomes | Zendy; Pedro Henrique de Lima Nogueira Filsner | Zendy; Marina Moreno | Zendy; Renata Paixão | Zendy; Jucélia de Jesus Pereira | Zendy; Andréa Micke Moreno | Zendy

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Virulence Genes and Antimicrobial Resistance Profiles ofPasteurella multocidaStrains Isolated from Rabbits in Brazil

Author(s) -

Thaís Sebastiana Porfida Ferreira,

Maria Roberta Felizardo,

Débora Dirani Sena de Gobbi,

Cleise Ribeiro Gomes,

Pedro Henrique de Lima Nogueira Filsner,

Marina Moreno,

Renata Paixão,

Jucélia de Jesus Pereira,

Andréa Micke Moreno

Publication year - 2012

Publication title -

the scientific world journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.453

H-Index - 93

eISSN - 2356-6140

pISSN - 1537-744X

DOI - 10.1100/2012/685028

Subject(s) - pasteurella multocida , microbiology and biotechnology , virulence , amoxicillin , pyometra , erythromycin , biology , penicillin , antibiotic resistance , otitis , pasteurella , pneumonia , antibiotics , bacteria , medicine , gene , biochemistry , genetics , uterus

Pasteurella multocida is responsible for a wide range of diseases in domestic animals. In rabbits, the agent is related to nasal discharge, pneumonia, otitis media, pyometra, orchitis, abscess, and septicemia. One hundred and forty rabbits with respiratory diseases from four rabbitries in São Paulo State, Brazil were evaluated for the detection of P. multocida in their nasal cavities. A total of twenty-nine animals were positive to P. multocida isolation, and 46 strains were selected and characterized by means of biochemical tests and PCR. P. multocida strains were tested for capsular type, virulence genes, and resistance profile. A total of 45.6% (21/46) of isolates belonged to capsular type A, and 54.34% (25/46) of the isolates were untypeable. None of the strains harboured toxA or pfhA genes. The frequency of the other twenty genes tested was variable, and the data generated was used to build a dendrogram, showing the relatedness of strains, which were clustered according to origin. Resistance revealed to be more common against sulfonamides and cotrimoxazole, followed by erythromycin, penicillin, and amoxicillin.

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