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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
The development of Leishmania in the insect vector of the genus Phlebotomus
 Kvapilová, Kateřina ; Volf, Petr (advisor) ; Bilej, Martin (referee)
The work was focused on the study of various aspects of development of Leishmania in vectors of genus Phlebotomus and can be divided into two main parts. In the first part, we studied the competition of Leishmania major and L. turanica during their development in the sand flies who are natural vectors of L. major using the experimental co-infections of fluorescently marked promastigots of these two species. While both leishmania species developed similar in the intestine of Phlebotomus papatasi, L. turanica prevailed in P. duboscqi in the late stages of infection. The fluorescent marking of Leishmania should allow us also to study possible genetic exchange between species at different stages of Leishmania infection (2nd, 9th and 14th day after the infective feeding). Using the flow cytometry (FACS) we have repeatedly identified dozens of objects emitting red and green signals in the intestinal homogenates of co-infected sand flies, however further analysis with confocal microscope disproved these objects as the hybrid promastigots of Leishmania. In the second part of this thesis we investigated the role of L. major genes HASP and SHERP, which lies on the locus LmcDNA16 and are expressed exclusively in metacyclics. We used mutant lines KO (lacking the locus LmcDNA16) and HASPB (KO line with gene...
Detailed record
The development of Leishmania in the insect vector of the genus Phlebotomus
 Kvapilová, Kateřina ; Volf, Petr (advisor) ; Bilej, Martin (referee)
The work was focused on the study of various aspects of development of Leishmania in vectors of genus Phlebotomus and can be divided into two main parts. In the first part, we studied the competition of Leishmania major and L. turanica during their development in the sand flies who are natural vectors of L. major using the experimental co-infections of fluorescently marked promastigots of these two species. While both leishmania species developed similar in the intestine of Phlebotomus papatasi, L. turanica prevailed in P. duboscqi in the late stages of infection. The fluorescent marking of Leishmania should allow us also to study possible genetic exchange between species at different stages of Leishmania infection (2nd, 9th and 14th day after the infective feeding). Using the flow cytometry (FACS) we have repeatedly identified dozens of objects emitting red and green signals in the intestinal homogenates of co-infected sand flies, however further analysis with confocal microscope disproved these objects as the hybrid promastigots of Leishmania. In the second part of this thesis we investigated the role of L. major genes HASP and SHERP, which lies on the locus LmcDNA16 and are expressed exclusively in metacyclics. We used mutant lines KO (lacking the locus LmcDNA16) and HASPB (KO line with gene...
Detailed record

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