Canine Filarial Infections in a Human Brugia malayi Endemic Area of India

Canine Filarial Infections in a Human Brugia malayi Endemic Area of India

A very high prevalence of microfilaremia of 42.68 per cent out of 164 canine blood samples examined was observed in Cherthala (of Alappuzha district of Kerala state), a known human Brugia malayi endemic area of south India. The species of canine microfilariae were identified as Dirofilaria repens, B...

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Published in:BioMed research international Vol. 2014; no. 2014; pp. 1 - 9
Main Authors: Balan, Vimalkumar M., Nair, Suresh N., Varghese, Sincy, Ravindran, Reghu, Lakshmanan, Bindu, Ashruf, Riyas M., Kumar, Swaroop S., Gopalan, Ajith Kumar K., Nair, Archana S., Malayil, Aparna, Chandrasekhar, Leena, Juliet, Sanis, Kopparambil, Devada, Ramachandran, Rajendran, Kunjupillai, Regu, Kakada, Showkath Ali M.
Format: Journal Article
Language:English
Published: Cairo, Egypt Hindawi Puplishing Corporation 01-01-2014
Hindawi Publishing Corporation
John Wiley & Sons, Inc
Hindawi Limited
Subjects:
Acid Phosphatase - metabolism
Animal sciences
Animals
Breeding
Brugia malayi
Brugia malayi - physiology
Committees
Deoxyribonucleic acid
Dirofilaria repens
DNA
Dog Diseases - epidemiology
Dog Diseases - parasitology
Dogs
Endemic Diseases - statistics & numerical data
Endemic Diseases - veterinary
Female
Filariasis
Filariasis - epidemiology
Filariasis - parasitology
Filariasis - veterinary
Humans
India - epidemiology
Infections
Male
Microfilariae - cytology
Molecular Sequence Data
Parasites
Phosphatase
Phylogeny
Prevalence
Ribosomal DNA
Veterinarians
India
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Summary:A very high prevalence of microfilaremia of 42.68 per cent out of 164 canine blood samples examined was observed in Cherthala (of Alappuzha district of Kerala state), a known human Brugia malayi endemic area of south India. The species of canine microfilariae were identified as Dirofilaria repens, Brugia malayi, and Acanthocheilonema reconditum. D. repens was the most commonly detected species followed by B. pahangi. D. immitis was not detected in any of the samples examined. Based on molecular techniques, microfilariae with histochemical staining pattern of “local staining at anal pore and diffuse staining at central body” was identified as D. repens in addition to those showing acid phosphatase activity only at the anal pore. Even though B. malayi like acid phosphatase activity was observed in few dogs examined, they were identified as genetically closer to B. pahangi. Hence, the possibility of dogs acting as reservoirs of human B. malayi in this area was ruled out.
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Academic Editor: Fabio Ribeiro Braga
ISSN:2314-6133
2314-6141
DOI:10.1155/2014/630160