Membrane and organelle rearrangement during ascospore formation in budding yeast

SUMMARYIn ascomycete fungi, sexual spores, termed ascospores, are formed after meiosis. Ascospore formation is an unusual cell division in which daughter cells are created within the cytoplasm of the mother cell by de novo generation of membranes that encapsulate each of the haploid chromosome sets...

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Bibliographic Details
Published inMicrobiology and molecular biology reviews p. e0001324
Main Author Neiman, Aaron M.
Format Journal Article
LanguageEnglish
Published 1752 N St., N.W., Washington, DC American Society for Microbiology 20.06.2024
Subjects
Eukaryotic Cells
Review
Special Series: Sex in Fungi
prospore membrane
translational control
spindle pole body
sporulation
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Summary:SUMMARYIn ascomycete fungi, sexual spores, termed ascospores, are formed after meiosis. Ascospore formation is an unusual cell division in which daughter cells are created within the cytoplasm of the mother cell by de novo generation of membranes that encapsulate each of the haploid chromosome sets created by meiosis. This review describes the molecular events underlying the creation, expansion, and closure of these membranes in the budding yeast, Saccharomyces cerevisiae. Recent advances in our understanding of the regulation of gene expression and the dynamic behavior of different membrane-bound organelles during this process are detailed. While less is known about ascospore formation in other systems, comparison to the distantly related fission yeast suggests that the molecular events will be broadly similar throughout the ascomycetes.
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ISSN:1092-2172
1098-5557
1098-5557
DOI:10.1128/mmbr.00013-24