Open Access
Research (Published online: 12-10-2018)
7. The relationship between bacterial sources and genotype to the antimicrobial resistance pattern of Burkholderia pseudomallei
Muhammad Abubakar Sadiq, Latiffah Hassan, Saleha Abdul Aziz, Zunita Zakaria, Hassan Ismail Musa and Maswati Mat Amin
Veterinary World, 11(10): 1404-1408

Muhammad Abubakar Sadiq: Department of Microbiology and Pathology, Faculty of Veterinary Medicine, Universiti Putra Malaysia (UPM), 44300 UPM Serdang, Selangor Darul Ehsan Malaysia; Department of Veterinary Public Health and Preventive Medicine, Faculty of Veterinary Medicine, University of Maiduguri, P.M.B 1069 Maiduguri, Borno State Nigeria.
Latiffah Hassan: Department of Microbiology and Pathology, Faculty of Veterinary Medicine, Universiti Putra Malaysia (UPM), 44300 UPM Serdang, Selangor Darul Ehsan Malaysia.
Saleha Abdul Aziz: Department of Microbiology and Pathology, Faculty of Veterinary Medicine, Universiti Putra Malaysia (UPM), 44300 UPM Serdang, Selangor Darul Ehsan Malaysia.
Zunita Zakaria: Department of Microbiology and Pathology, Faculty of Veterinary Medicine, Universiti Putra Malaysia (UPM), 44300 UPM Serdang, Selangor Darul Ehsan Malaysia.
Hassan Ismail Musa: Department of Microbiology and Pathology, Faculty of Veterinary Medicine, Universiti Putra Malaysia (UPM), 44300 UPM Serdang, Selangor Darul Ehsan Malaysia; Department of Veterinary Public Health and Preventive Medicine, Faculty of Veterinary Medicine, University of Maiduguri, P.M.B 1069 Maiduguri, Borno State Nigeria.
Maswati Mat Amin: Regional Veterinary Laboratory, Bukit Tengah, Peti Surat 63, 14007 Bukit Mertajam, Seberang Perai Tengah, Pulau Pinang, Malaysia.

doi: 10.14202/vetworld.2018.1404-1408

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Article history: Received: 14-05-2018, Accepted: 20-08-2018, Published online: 12-10-2018

Corresponding author: Latiffah Hassan

E-mail: latiffah@upm.edu.my

Citation: Sadiq MA, Hassan L, Aziz SA, Zakaria Z, Musa HI, Amin MM (2018) The relationship between bacterial sources and genotype to the antimicrobial resistance pattern of Burkholderia pseudomallei, Veterinary World, 11(10): 1404-1408.
Abstract

Background: Melioidosis is a fatal emerging infectious disease of both man and animal caused by bacteria Burkholderia pseudomallei. Variations were suggested to have existed among the different B. pseudomallei clinical strains/genotypes which may implicate bacterial susceptibility and resistance toward antibiotics.

Aim: This study was designed to determine whether the phenotypic antibiotic resistance pattern of B. pseudomallei is associated with the source of isolates and the genotype.

Materials and Methods: A collection of 111 B. pseudomallei isolates from veterinary cases of melioidosis and the environments (soil and water) were obtained from stock cultures of previous studies and were phylogenetically characterized by multilocus sequence typing (ST). The susceptibility to five antibiotics, namely meropenem (MEM), imipenem, ceftazidime (CAZ), cotrimoxazole (SXT), and co-amoxiclav (AMC), recommended in both acute and eradication phases of melioidosis treatment were tested using minimum inhibitory concentration antibiotics susceptibility test.

Results: Majority of isolates were susceptible to all antibiotics tested while few resistant strains to MEM, SXT, CAZ, and AMC were observed. Statistically significant association was found between resistance to MEM and the veterinary clinical isolates (p<0.05). The likelihood of resistance to MEM was significantly higher among the novel ST 1130 isolates found in veterinary cases as compared to others.

Conclusion: The resistance to MEM and SXT appeared to be higher among veterinary isolates, and the novel ST 1130 was more likely to be resistant to MEM as compared to others.

Keywords: animals, antimicrobial, Burkholderia pseudomallei, environmental, resistance, sequence types, veterinary isolates.

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