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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Peptidases of monogeneans of the family Diplozoidae
 Jedličková, Lucie ; Mikeš, Libor (advisor) ; Dvořák, Jan (referee)
The blood processing mechanisms in monogeneans of the subclass Polyopisthocotylea are known from ultrastructural and histochemical analyses only. In contrast to other blood- feeding parasites, just few biochemical and molecular analyses have been done on digestive enzymes in monogeneans. Therefore, we focused on the biochemical and molecular characterization of hydrolytic enzymes (peptidases) in the hematophagous species Paradiplozoon bliccae and Eudiplozoon nipponicum. The presence of the cysteine class peptidases, mainly cathepsin L, in excretory- secretory products and soluble protein extracts of P. bliccae and E. nipponicum we found. Detection was carried out using fluorogenic substrates, specific inhibitors and the labelled probe DCG-04. On the gels / membranes after electrophoresis / blotting we detected bands of approximately size of 35 kDa in the case of both species and 24 kDa for E. nipponicum. Soluble protein extracts of worms were separated by 2D gel electrophoresis and relevant spots around 35 kDa (P. bliccae) and around 25 ˗ 35 kDa (E. nipponicum) were confirmed by mass spectrometry as cathepsins L. Using degenerate primers based on the conserved motifs of cysteine class peptidases, a partial sequence of cathepsin L gene from E. nipponicum was obtained. Furthermore, 3'RACE PCR method...
Detailed record
Peptidases of monogeneans of the family Diplozoidae
 Jedličková, Lucie ; Mikeš, Libor (advisor) ; Dvořák, Jan (referee)
The blood processing mechanisms in monogeneans of the subclass Polyopisthocotylea are known from ultrastructural and histochemical analyses only. In contrast to other blood- feeding parasites, just few biochemical and molecular analyses have been done on digestive enzymes in monogeneans. Therefore, we focused on the biochemical and molecular characterization of hydrolytic enzymes (peptidases) in the hematophagous species Paradiplozoon bliccae and Eudiplozoon nipponicum. The presence of the cysteine class peptidases, mainly cathepsin L, in excretory- secretory products and soluble protein extracts of P. bliccae and E. nipponicum we found. Detection was carried out using fluorogenic substrates, specific inhibitors and the labelled probe DCG-04. On the gels / membranes after electrophoresis / blotting we detected bands of approximately size of 35 kDa in the case of both species and 24 kDa for E. nipponicum. Soluble protein extracts of worms were separated by 2D gel electrophoresis and relevant spots around 35 kDa (P. bliccae) and around 25 ˗ 35 kDa (E. nipponicum) were confirmed by mass spectrometry as cathepsins L. Using degenerate primers based on the conserved motifs of cysteine class peptidases, a partial sequence of cathepsin L gene from E. nipponicum was obtained. Furthermore, 3'RACE PCR method...
Detailed record

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