TRYPANOSOMA FLAGELLUM

$34,780P41FY2009RRNIH

Baylor College Of Medicine, Houston TX

Investigators

Linked publications & trials

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Abstract

This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. The subproject and investigator (PI) may have received primary funding from another NIH source, and thus could be represented in other CRISP entries. The institution listed is for the Center, which is not necessarily the institution for the investigator. The T. brucei flagellum is a multi-component, multifunctional organelle critical for pathogenesis. Flagellum in Trypanosoma brucei contains not only the classic "9+2" axoneme but also a crystalline paraflagellar rod (PFR). The biological interest in this project is the structural organization of the two major structural components of PFR which have been characterized, PFR1 and PFR2 at 69KD and 73KD, respectively (Deflorin et al., 1994). They appear by sequence analysis to consist largely of coiled-coil motifs. Depletion of one PFR protein by RNA interference did not affect parasite growth or division nor formation of the axoneme. But it completely abolished the assembly of the PFR, resulting in defects in cell motility and infectivity (Bastin et al., 1998;Bastin et al., 1999).

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