Abstract
Bartonella and Borrelia are zoonotic vector-borne pathogens that can infect dogs and humans. Data on Bartonella and Borrelia in dogs in the Philippines are lacking. This study was conducted to validate previous reports and further investigate the occurrence of Bartonella and Borrelia spp. in cities of Metro Manila. A total of 182 canine blood samples were acquired with DNA using a commercial extraction kit from selected veterinary clinics in the cities of Metro Manila and Laguna, Philippines. The mammalian actin was amplified through polymerase chain reaction (PCR), followed by PCR assays targeting Bartonella gltA and Borrelia flaB. Further PCR assays targeting 16S of Borrelia and ospA and ospC of Borrelia burgdorferi were performed for those that showed flaB bands. A positive band for gltA of Bartonella was observed in 9 (4.95%) samples, whereas a positive band for flaB of Borrelia was observed in 15 (8.24%) samples. Subsequent PCR assays for other genes of Borrelia were negative. These results confirmed the presence of Bartonella and warranted further investigation for the possible presence of other Borrelia species.
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