Genome-wide analysis of the human malaria parasite <i>Plasmodium falciparum</i> transcription factor PfNF-YB shows interaction with a CCAAT motif

  • Lima W
  • Martins D
  • Parreira K
  • et al.
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Abstract

Little is known about transcription factor regulation during the Plasmodium falciparum intraerythrocytic cycle. In order to elucidate the role of the P. falciparum (Pf)NF-YB transcription factor we searched for target genes in the entire genome. PfNF-YB mRNA is highly expressed in late trophozoite and schizont stages relative to the ring stage. In order to determine the candidate genes bound by PfNF-YB a ChIP-on-chip assay was carried out and 297 genes were identified. Ninety nine percent of PfNF-YB binding was to putative promoter regions of protein coding genes of which only 16% comprise proteins of known function. Interestingly, our data reveal that PfNF-YB binding is not exclusively to a canonical CCAAT box motif. PfNF-YB binds to genes coding for proteins implicated in a range of different biological functions, such as replication protein A large subunit (DNA replication), hypoxanthine phosphoribosyltransferase (nucleic acid metabolism) and multidrug resistance protein 2 (intracellular transport).

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APA

Lima, W. R., Martins, D. C., Parreira, K. S., Scarpelli, P., de Moraes, M. S., Topalis, P., … Garcia, C. R. S. (2017). Genome-wide analysis of the human malaria parasite Plasmodium falciparum transcription factor PfNF-YB shows interaction with a CCAAT motif. Oncotarget, 8(69). https://doi.org/10.18632/oncotarget.23053

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