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Gene Synthesis> | … For the Dis3-loxPint conditional knock out construct, a syn- thetic sequence including the homology boxes, artificial introns containing loxP sites and a recoded exonuclease domain was ordered from Genscript (Table S1) This fragment was cloned into pL6 with the Dis3 gRNA … | Get A Quote |
Antisense transcription emerges as a key regulator of important biological processes in the human malaria parasite Plasmodium falciparum. RNA-processing factors, however, remain poorly characterized in this pathogen. Here, we purified the multiprotein RNA exosome complex of malaria parasites by affinity chromatography, using HA-tagged PfRrp4 and PfDis3 as the ligands. Seven distinct core exosome subunits (PfRrp41, PfMtr3, PfRrp42, PfRrp45, PfRrp4, PfRrp40, PfCsl4) and two exoribonuclease proteins PfRrp6 and PfDis3 are identified by mass spectrometry. Western blot analysis detects Dis3 and Rrp4 predominantly in the cytoplasmic fraction during asexual blood stage development. An inducible gene... More