2009
DOI: 10.1007/s00436-009-1693-5
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Subtype analysis of Blastocystis isolates from symptomatic patients in Egypt

Abstract: Giriş: Blastocystis spp. neden olduğu klinik semptomlar nedeniyle günümüzde önem kazanan enterik bir protozoondur. Prevalansı dünyanın farklı bölgelerinde değişmekle birlikte gelişmekte olan ülkelerde daha sık görüldüğü bildirilmektedir. Bugüne kadar insanlarda 9 Blastocystis spp. alt tipi saptanmıştır ve bu lerin farklı klinik semptomlar ile ilişkili olabileceği öne sürülmüştür. Gereç Yöntem: Bu çalışmada formol-etil asetat yöntemi ile Blastocystis spp. varlığı saptanan 50 semptomatik hastadan elde edilen izo… Show more

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Cited by 85 publications
(80 citation statements)
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References 48 publications
(103 reference statements)
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“…ST4 is common in Europe, but is rarely reported from Asian, Middle Eastern and South American populations; however, in many regions comparatively little sampling has been undertaken. ST3 is the most common subtype in humans worldwide, and its occurrence is a frequent finding in analyses of subtype distribution, irrespective of the geographic origin of the population (Forsell et al, 2012;Malheiros et al, 2011;Meloni et al, 2011;Nagel et al, 2011;Souppart et al, 2010;Souppart et al, 2009;Stensvold et al, 2009a;Stensvold et al, 2009b;Stensvold et al, 2011b). The high discriminatory index of the ST3 MLST system makes it useful for surveillance of ST3 strains (re-infection or recrudescence; longevity of colonisation; patterns of transmission), whereas that of ST4 would not be suitable for these purposes.…”
Section: Intra-subtype Diversitymentioning
confidence: 99%
“…ST4 is common in Europe, but is rarely reported from Asian, Middle Eastern and South American populations; however, in many regions comparatively little sampling has been undertaken. ST3 is the most common subtype in humans worldwide, and its occurrence is a frequent finding in analyses of subtype distribution, irrespective of the geographic origin of the population (Forsell et al, 2012;Malheiros et al, 2011;Meloni et al, 2011;Nagel et al, 2011;Souppart et al, 2010;Souppart et al, 2009;Stensvold et al, 2009a;Stensvold et al, 2009b;Stensvold et al, 2011b). The high discriminatory index of the ST3 MLST system makes it useful for surveillance of ST3 strains (re-infection or recrudescence; longevity of colonisation; patterns of transmission), whereas that of ST4 would not be suitable for these purposes.…”
Section: Intra-subtype Diversitymentioning
confidence: 99%
“…†Determined in the common region of two clones sequenced for each sample. like Turkey 21,22 and Egypt 23,24 ; in these countries, ST1 was the second most common variant after ST3 while it follows at third position in Lebanon but still has a high frequency. The ST2 was globally poorly represented in Iran and Egypt, whereas it was commonly found in Turkey and Lebanon.…”
mentioning
confidence: 98%
“…The ST distribution in Tunisia can be compared with those obtained in the few studies conducted in other Maghreb countries such as Libya 11,19 and in neighboring countries including Egypt. [20][21][22] It is worth noting that those molecular data were obtained after Blastocystis culturing in liquid medium, which could result in a selection bias of some STs. In Libya, ST1 showed the highest frequency (more than 50% of the isolates), followed by either ST3 11 or ST2.…”
mentioning
confidence: 99%
“…19 On the other hand, ST3 was largely predominant in the three studies conducted in different Egyptian areas. [20][21][22] Since ST3 is rarely identified in animals that may be in contact with humans, a large-scale interhuman transmission likely explains the predominance of this ST worldwide. 1,2,11 As stated above, ST1 represented 29.6% of the subtyped isolates colonizing Tunisian food handlers.…”
mentioning
confidence: 99%
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