Sangam: A Confluence of Knowledge Streams

Identification of a Master Regulator of Differentiation in Toxoplasma

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dc.creator Waldman, Benjamin S
dc.creator Schwarz, Dominic
dc.creator Wadsworth, Marc H
dc.creator Saeij, Jeroen P
dc.creator Shalek, Alex K
dc.creator Lourido, Sebastian
dc.date 2021-10-27T20:34:33Z
dc.date 2021-10-27T20:34:33Z
dc.date 2020
dc.date 2020-09-21T14:13:16Z
dc.date.accessioned 2023-03-01T18:11:51Z
dc.date.available 2023-03-01T18:11:51Z
dc.identifier https://hdl.handle.net/1721.1/136258
dc.identifier.uri http://localhost:8080/xmlui/handle/CUHPOERS/279116
dc.description © 2019 The Author(s) Toxoplasma gondii chronically infects a quarter of the world's population, and its recrudescence can cause life-threatening disease in immunocompromised individuals and recurrent ocular lesions in the immunocompetent. Acute-stage tachyzoites differentiate into chronic-stage bradyzoites, which form intracellular cysts resistant to immune clearance and existing therapies. The molecular basis of this differentiation is unknown, despite being efficiently triggered by stresses in culture. Through Cas9-mediated screening and single-cell profiling, we identify a Myb-like transcription factor (BFD1) necessary for differentiation in cell culture and in mice. BFD1 accumulates during stress and its synthetic expression is sufficient to drive differentiation. Consistent with its function as a transcription factor, BFD1 binds the promoters of many stage-specific genes and represents a counterpoint to the ApiAP2 factors that dominate our current view of parasite gene regulation. BFD1 provides a genetic switch to study and control Toxoplasma differentiation and will inform prevention and treatment of chronic infections.
dc.format application/pdf
dc.language en
dc.publisher Elsevier BV
dc.relation 10.1016/J.CELL.2019.12.013
dc.relation Cell
dc.rights Creative Commons Attribution 4.0 International license
dc.rights https://creativecommons.org/licenses/by/4.0/
dc.source Elsevier
dc.title Identification of a Master Regulator of Differentiation in Toxoplasma
dc.type Article
dc.type http://purl.org/eprint/type/JournalArticle


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