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Klaus, Severina; Binder, Patrick; Kim, Juyeop; Machado, Marta; Funaya, Charlotta; Schaaf, Violetta; Klaschka, Darius; Kudulyte, Aiste; Cyrklaff, Marek; Laketa, Vibor; Höfer, Thomas; Guizetti, Julien; Becker, Nils B.; Frischknecht, Friedrich; Schwarz, Ulrich S.; Ganter, Markus

Asynchronous nuclear cycles in multinucleated Plasmodium falciparum facilitate rapid proliferation

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  • Media type: E-Article
  • Title: Asynchronous nuclear cycles in multinucleated Plasmodium falciparum facilitate rapid proliferation
  • Contributor: Klaus, Severina; Binder, Patrick; Kim, Juyeop; Machado, Marta; Funaya, Charlotta; Schaaf, Violetta; Klaschka, Darius; Kudulyte, Aiste; Cyrklaff, Marek; Laketa, Vibor; Höfer, Thomas; Guizetti, Julien; Becker, Nils B.; Frischknecht, Friedrich; Schwarz, Ulrich S.; Ganter, Markus
  • Published: American Association for the Advancement of Science (AAAS), 2022
  • Published in: Science Advances, 8 (2022) 13
  • Language: English
  • DOI: 10.1126/sciadv.abj5362
  • ISSN: 2375-2548
  • Origination:
  • Footnote:
  • Description: Malaria-causing parasites proliferate within erythrocytes through schizogony, forming multinucleated stages before cellularization. Nuclear multiplication does not follow a strict geometric 2 n progression, and each proliferative cycle produces a variable number of progeny. Here, by tracking nuclei and DNA replication, we show that individual nuclei replicate their DNA at different times, despite residing in a shared cytoplasm. Extrapolating from experimental data using mathematical modeling, we provide strong indication that a limiting factor exists, which slows down the nuclear multiplication rate. Consistent with this prediction, our data show that temporally overlapping DNA replication events were significantly slower than partially overlapping or nonoverlapping events. Our findings suggest the existence of evolutionary pressure that selects for asynchronous DNA replication, balancing available resources with rapid pathogen proliferation.
  • Access State: Open Access