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Detection of Virulence Associated Genes of Pasteurella multocida Isolated from Pig Farms of India

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Title Detection of Virulence Associated Genes of Pasteurella multocida Isolated from Pig Farms of India
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Creator Swaraj Rajkhowa, Dilip Kumar Sarma, Rajeev Kumar Sharma, Habibur Rahman
 
Subject Progressive atrophic rhinitis, pneumonic pasteurellosis, swine, Pasteurella infection in pigs
 
Description Not Available
Progressive atrophic rhinitis and pneumonic pasteurellosis caused by Pasteurella multocida are recognized as economically important diseases of swine having a significant impact on pig industry throughout the world. A total of 87 (8.40%) P. multocida isolates were recovered from 1035 samples collected from diseased and apparently healthy pigs. P. multocida was the fourth most frequent pathogenic bacterium recovered from the samples after Escherichia coli, Streptococcus species and Staphylococcus aureus. P. multocida isolates were examined for capsule synthesis genes (capA, B, D, E and F) and eleven virulence associated genes (ompH, oma87, ompA, plpB, ptfA, pfhA, tonB, hgbA, nanB, nanH and toxA) by PCR. Of 87 P. multocida isolates, 54.02% isolates belonged to capsular type A, 43.67% to capsular type D, 2.29% isolates were untypeable whereas none of these isolates belonged to capsular type B, E and F. Virulence associated genes investigated were present in more than 90% of P. multocida isolates, except for the genes ptfA, pfhA and toxA. The study revealed a strong positive association of genes such as toxA (P
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Date 2019-12-04T06:28:37Z
2019-12-04T06:28:37Z
2015-01-01
 
Type Article
 
Identifier Not Available
0031-7705
http://krishi.icar.gov.in/jspui/handle/123456789/27039
 
Language English
 
Relation Not Available;
 
Publisher UPLB