Abstract：
:Blastocystis sp. is the most common eukaryotic parasite in the intestinal tract of humans. Due to its strong impact in public health, in this study, we determined the frequency of different Blastocystis subtypes in patients in France. We hypothesized on the mode of transmission and tested a possible relationship between the subtype and symptomatic status. We obtained a total of 40 stool samples identified as positive for Blastocystis by microscopic examination of smears. Participants consisted of 25 symptomatic and 15 asymptomatic patients, for whom clinical and parasitological data were collected. For nested-polymerase chain reaction and genotyping, DNA was extracted directly from fecal samples or from fecal cultures. Morphological forms observed in fecal cultures were uncorrelated with symptomatic status. Genotyping using partial small subunit rRNA gene analysis identified a total of 43 Blastocystis isolates corresponding to 37 single infections and three mixed infections by two different subtypes. These 43 isolates belonged to five subtypes (1, 2, 3, 4, and 7) with predominance of subtype 3 (53.5%). Patient symptomatic status was uncorrelated with Blastocystis subtype.
journal_name
Parasitol Resjournal_title
Parasitology researchauthors
Souppart L,Sanciu G,Cian A,Wawrzyniak I,Delbac F,Capron M,Dei-Cas E,Boorom K,Delhaes L,Viscogliosi Edoi
10.1007/s00436-009-1398-9subject
Has Abstractpub_date
2009-08-01 00:00:00pages
413-21issue
2eissn
0932-0113issn
1432-1955journal_volume
105pub_type
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