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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Characterization and antigenic properties of salivary yellow-related proteins in phlebotomine sand flies
 Cikrtová, Petra
2 ABSTRACT Yellow-related proteins (YRPs) form an abundant protein family, whose members were found in salivary gland transcriptomes of all sand fly species studied up to date. This protein family belongs to the group of MRJP/Yellow proteins occurring in insects and some other organisms. Though sharing similar folding as a six-bladed β-propeller comprising central tunnel, MRJP/Yellow proteins adopted different functions. The structure and biogenic amine-binding property described for the sand fly salivary YRPs was based on a single study conducted on Lutzomyia longipalpis. In the present work, we have modelled the structures of 32 salivary YRPs belonging to 13 different sand fly species. We have shown the general structural similarity of these proteins along with both inter- and intra-specific differences in surface charge, tunnel parameters and in amino acids composition of the amine-binding motif. These modifications indicated divergence in function of individual YRPs, which was experimentally verified in the second project focused on identification of the amine-binding properties of YRPs in two important vectors of Leishmania; Phlebotomus perniciosus and P. orientalis. In each species, two YRPs differ in affinities for biogenic amines serotonin, histamine and catecholamines. However, in both sand fly...
Detailed record
Characterization and antigenic properties of salivary yellow-related proteins in phlebotomine sand flies
 Cikrtová, Petra
2 ABSTRACT Yellow-related proteins (YRPs) form an abundant protein family, whose members were found in salivary gland transcriptomes of all sand fly species studied up to date. This protein family belongs to the group of MRJP/Yellow proteins occurring in insects and some other organisms. Though sharing similar folding as a six-bladed β-propeller comprising central tunnel, MRJP/Yellow proteins adopted different functions. The structure and biogenic amine-binding property described for the sand fly salivary YRPs was based on a single study conducted on Lutzomyia longipalpis. In the present work, we have modelled the structures of 32 salivary YRPs belonging to 13 different sand fly species. We have shown the general structural similarity of these proteins along with both inter- and intra-specific differences in surface charge, tunnel parameters and in amino acids composition of the amine-binding motif. These modifications indicated divergence in function of individual YRPs, which was experimentally verified in the second project focused on identification of the amine-binding properties of YRPs in two important vectors of Leishmania; Phlebotomus perniciosus and P. orientalis. In each species, two YRPs differ in affinities for biogenic amines serotonin, histamine and catecholamines. However, in both sand fly...
Detailed record

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