National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Analýza exprese tyrosinové aminotransferázy a 4-hydroxyfenylpyruvát dioxygenázy v klíštěcích tkáních a vývojových stádiích pomocí RT-qPCR
PLAČKOVÁ, Barbora
Blood-feeding arthropods acquire and digest vast amounts of host blood meal, which often exceeds their body volume up to 100 times. Blood protein hydrolysis liberates amino acids which are recycled for de novo protein synthesis or are further catabolised. Transcripts encoding enzymes of tyrosine catabolism were found to be substantially enriched in digestive tract of blood-feeding hemipteran Rhodnius prolixus. This catabolic pathway was validated as a drug target by RNAi and viability assay with available inhibitors. In this bachelor thesis, I identified homologues of two genes encoding the first two enzymes of tyrosine catabolism, tyrosine aminotransferase and hydroxyphenylpyruvate dioxygenase, in the Ixodes ricinus tick and characterised their tissue expression patterns. Using RNAi, it was confirmed that HPPD is essential for tick survival after detachment of the host.

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