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Caracterização molecular de Giardia spp. em bezerros bubalinos

Authors: Aquino, Monally Conceição Costa de;

Caracterização molecular de Giardia spp. em bezerros bubalinos

Abstract

Giardia duodenalis é um protozoário flagelado que coloniza o trato intestinal de hospedeiros vertebrados. A caracterização molecular de G. duodenalis revolucionou a compreensão da taxonomia, diversidade genética e epidemiologia da giardíase em seres humanos e animais. Em nosso estudo, realizamos a caracterização molecular de G. duodenalis em bezerros bubalinos do Estado de São Paulo, Brasil. Assim, foram colhidas 183 amostras fecais de animais da raça Murrah, com até seis meses de idade. Estas amostras foram examinadas por meio da reação em cadeia pela polimerase tipo para amplificação da subunidade menor do gene do RNA ribossômico, todas as amostras positivas por esse gene, foram caracterizadas para amplificação parcial dos genes beta-giardina, glutamato desidrogenase e triosefosfato isomerase. G. duodenalis foi verificada em 6,56% das amostras fecais e por meio da análise das sequências, verificou-se 100% de similaridade genética com “assemblage” E. Esta foi a primeira detecção de G. duodenalis “assemblage” E em bezerros bubalinos no Brasil.

Giardia duodenalis is a flagellated protozoan that colonizes the intestinal tract of vertebrate hosts. A molecular characterization of G. duodenalis revolutionized an understanding of the taxonomy, genetic diversity and epidemiology of giardiasis in humans and animals. In our stud, we performed the molecularly characterization of Giardia duodenalis in buffalo calves from State of São Paulo, Brazil. Then, 183 fecal samples of Murrah buffaloes were collected up to six months of age. These samples were examined by nested polymerase chain reaction for parcial amplification of the small subunit of the ribosomal RNA gene. All G. duodenalis-positive samples were characterized by beta-giardin, glutamate dehydrogenase and triosephosphate isomerase genes. G. duodenalis was detected in 6,56% of the faecal samples, and sequence analysis showed 100% genetic similarity with assemblage E. This was the first detection of G. duodenalis assemblage E in buffalo calves in Brazil.

Pós-graduação em Ciência Animal - FMVA

Outra

Country
Brazil
Keywords

giardiasis, giardíase, multilocus, buffaloes, genotype, genótipo, búfalos

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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