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Differentiation of Brugia malayi and Brugia pahangi by PCR-RFLP of ITS1 and ITS2.
Southeast Asian J Trop Med Public Health ; 2003 ; 34 Suppl 2(): 67-73
Artigo em Inglês | IMSEAR | ID: sea-32521
ABSTRACT
Lymphatic filariasis has been targeted by the World Health Organization for elimination by the year 2020. Malayan filariasis, caused by Brugia malayi, is endemic in southern Thailand where domestic cats serve as a major reservoir host. However, in nature, domestic cats also carry B. pahangi infection. In addition to chemotherapy and vector control, control in reservoir hosts is necessary to achieve the elimination of the disease. Therefore, differentiation between B. malayi and B. pahangi in the cat reservoir will help the lymphatic control program to monitor and evaluate the real disease situation. It is difficult to differentiate these two Brugia species by microscopic examination. The technique is also time-consuming and requires expertise. We employed the polymerase chain reaction-linked restriction fragment length polymorphism (PCR-RFLP) technique of internal transcribed spacer regions, ITS1 and ITS2, of ribosomal DNA (rDNA) to differentiate B. malayi from B. pahangi species. Among the restriction enzymes tested, only the PCR product of ITS1 digested with Ase I could differentiate B. malayi from B. pahangi. This PCR-RFLP technique will be useful for lymphatic filariasis control programs for monitoring and evaluating animal reservoirs.
Assuntos
Texto completo: DisponíveL Índice: IMSEAR (Sudeste Asiático) Assunto principal: Polimorfismo de Fragmento de Restrição / DNA Ribossômico / Genes de Helmintos / Brugia pahangi / Brugia Malayi / DNA de Helmintos / Animais Idioma: Inglês Revista: Southeast Asian J Trop Med Public Health Ano de publicação: 2003 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: IMSEAR (Sudeste Asiático) Assunto principal: Polimorfismo de Fragmento de Restrição / DNA Ribossômico / Genes de Helmintos / Brugia pahangi / Brugia Malayi / DNA de Helmintos / Animais Idioma: Inglês Revista: Southeast Asian J Trop Med Public Health Ano de publicação: 2003 Tipo de documento: Artigo