Table 1

Degenerate PCR primers used for identification of genes encoding gut-associated peptidases of I. ricinus

peptidase
cathepsin B
cathepsin L
cathepsin C
cathepsin D

forward primer
5'CKTGYGGDTCTTGTTGGG 3'
5'CAGTGCGGVTCCTGCTGGGC3'
5'GTCGACACKCCYGCBAACTGCAC3'
5'TCACCCCAGCCKNCGTTCCA3'
reverse primer
5'GGCTCCTCTAAYYTBTGGGT 3'
5'GGCGATTCCGCACTGGTTGT3'
5'CCRTAGWAACCWCCMACATA3'
5'GAACACGTCNCCBARDATCCA3'
Sm* GenBank
CAC85211
CAA83538
CAA83543
AAB63442
Sm* forward domain
117SSCGSCWA124
123LCGSCWA129
20ADTPANC26
85GSSNLWV91
Sm* reverse domain
313WNSDWGD319
304NMCGIA309
337YIGGYY342
355WILGDIF361
annealing temperature
55°C
53°C
62°C
53°C
product length
608 bp
554 bp
998 bp
855 bp
sequenced clones
12
8
8
8
isoforms
2
1
1
1

*- orthologues in Schistosoma mansoni

Sojka et al. Parasites & Vectors 2008 1:7   doi:10.1186/1756-3305-1-7