Cdc48 influence on separase levels is independent of mitosis and suggests translational sensitivity of separase

Vijayakumari, Drisya; Müller, Janina; Hauf, Silke

doi:10.1016/j.celrep.2022.110554

Cell Reports

2022

DOI: 10.1016/j.celrep.2022.110554

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Cdc48 influence on separase levels is independent of mitosis and suggests translational sensitivity of separase

Drisya Vijayakumari

Janina Müller

Silke Hauf

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2024

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Nitrogen availability is important for preventing catastrophic mitosis in fission yeast

Zemlianski,

Marešová,

Princová

et al. 2024

Journal of Cell Science

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Mitosis is a critical stage in the cell cycle, controlled by a vast network of regulators responding to multiple internal and external factors. The fission yeast Schizosaccharomyces pombe may demonstrate catastrophic mitotic phenotypes due to mutations or drug treatments. One of the factors provoking catastrophic mitosis is a disturbed lipid metabolism, resulting from e.g. mutations in acetyl-CoA/biotin carboxylase (cut6), in fatty acid synthase (fas2/lsd1), or in the transcriptional regulator of lipid metabolism (cbf11) genes, as well as treatment with inhibitors of fatty acid synthesis. It was previously shown that mitotic fidelity in lipid metabolism mutants can be partially rescued by ammonium chloride. In this study we demonstrate that mitotic fidelity can be improved by multiple nitrogen sources. Moreover, this improvement is not limited to lipid metabolism disturbances but also applies to a number of unrelated mitotic mutants. Interestingly, the partial rescue is not achieved by restoring the lipid metabolism state, but rather indirectly. Our results highlight a novel role for nitrogen availability in mitotic fidelity.

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Nitrogen availability is important for preventing catastrophic mitosis in fission yeast

Zemlianski,

Marešová,

Princová

et al. 2024

Journal of Cell Science

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show abstract

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Cdc48 influence on separase levels is independent of mitosis and suggests translational sensitivity of separase

Cited by 1 publication

References 93 publications

Nitrogen availability is important for preventing catastrophic mitosis in fission yeast

Nitrogen availability is important for preventing catastrophic mitosis in fission yeast

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