ArticleG3 (Bethesda, Md.)2021
A distinct inner nuclear membrane proteome in Saccharomyces cerevisiae gametes.
Article in G3 (Bethesda, Md.), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 6 citations in OpenAlex.
- A conserved disruption of nucleocytoplasmic compartmentalization in meiosis is controlled by a kinase-phosphatase pair inMolecular biology of the cell · 2025Article
- Not just binary: embracing the complexity of nuclear division dynamics.Nucleus (Austin, Tex.) · 2024Review
- Meiotic nuclear pore complex remodeling provides key insights into nuclear basket organization.The Journal of cell biology · 2023Article
- Spatiotemporal Dynamic Regulation of Organelles During Meiotic Development, Insights From Fungi.Frontiers in cell and developmental biology · 2022Article
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Authors and funding
4 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
The inner nuclear membrane (INM) proteome regulates gene expression, chromatin organization, and nuclear transport; however, it is poorly understood how changes in INM protein composition contribute to developmentally regulated processes, such as gametogenesis. We conducted a screen to determine how the INM proteome differs between mitotic cells and gametes. In addition, we used a strategy that allowed us to determine if spores synthesize their INM proteins de novo, rather than inheriting their INM proteins from the parental cell. This screen used a split-GFP complementation system, where we were able to compare the distribution of all C-terminally tagged transmembrane proteins in Saccharomyces cerevisiae in gametes to that of mitotic cells. Gametes contain a distinct INM proteome needed to complete gamete formation, including expression of genes linked to cell wall biosynthesis, lipid biosynthetic and metabolic pathways, protein degradation, and unknown functions. Based on the inheritance pattern, INM components are made de novo in the gametes. Whereas mitotic cells show a strong preference for proteins with small extraluminal domains, gametes do not exhibit this size preference likely due to the changes in the nuclear permeability barrier during gametogenesis. Taken together, our data provide evidence for INM changes during gametogenesis and shed light on mechanisms used to shape the INM proteome of spores.
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