نتایج جستجو برای: zymodemes
تعداد نتایج: 79 فیلتر نتایج به سال:
A comparison of kDNA restriction-endonuclease fragment patterns from strains representing selected Endotrypanum zymodemes was done by schizodeme analysis. As the degree of heterogeneity within mini-circles varied among species or strains of Endotrypanum, the fingerprint obtained with each of the restriction enzymes was unique for each of these parasites. The data have revealed that this trypano...
Entamoeba histolytica is an intestinal parasite causing significant morbidity and mortality worldwide. More tools are needed to understand the epidemiology and molecular pathogenesis of amebiasis. A cDNA library was constructed by using poly(A)+ RNA isolated from an axenic strain of E. histolytica, HM1:IMSS, which expresses a pathogenic isoenzyme pattern (zymodeme). Differential screening of th...
Seventeen Leishmania stocks isolated from cutaneous lesions of Pakistani patients were studied by multilocus enzyme electrophoresis and by polymerase chain reaction amplification and sequencing of the cytochrome b (Cyt b) gene. Eleven stocks that expressed nine zymodemes were assigned to L. (Leishmania) major. All of them were isolated from patients in the lowlands of Larkana district and Sibi ...
A puzzle in Chagas disease research has been to correlate molecular markers with epidemiology since isolates of Trypanosoma cruzi exhibit a broad host range, induce distinct clinical presentations in patients and show great diversity in biological and biochemical characteristics. Early studies on population genetics revealed substantial isozymic variability among isolates of T. cruzi defining t...
In many areas of the Mediterranean basin, leishmaniasis can now be found in HIV-positive individuals. Such cases of Leishmania/HIV co-infection are relatively common in southern Europe, Spain being the country that has reported the greatest number. Since 1984, 359 Spanish isolates of Leishmania infantum have been characterized at the Instituto de Salud Carlos III in Madrid. Most (94.6%) of the ...
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