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Construction and iterative redesign of synXVI a 903 kb synthetic Saccharomyces cerevisiae chromosome.
Nat Commun
January 2025
School of Natural Sciences, and ARC Centre of Excellence in Synthetic Biology, Macquarie University, Sydney, Australia.
The Sc2.0 global consortium to design and construct a synthetic genome based on the Saccharomyces cerevisiae genome commenced in 2006, comprising 16 synthetic chromosomes and a new-to-nature tRNA neochromosome. In this paper we describe assembly and debugging of the 902,994-bp synthetic Saccharomyces cerevisiae chromosome synXVI of the Sc2.
View Article and Find Full Text PDFTranscription factors induce differential splicing of duplicated ribosomal protein genes during meiosis.
Nucleic Acids Res
January 2025
Département de microbiologie et d'infectiologie, Faculté de médecine et des sciences de la santé, Université de Sherbrooke, 3201 rue Jean-Mignault, Sherbrooke, QC J1E 4K8, Canada.
In baker's yeast, genes encoding ribosomal proteins often exist as duplicate pairs, typically with one 'major' paralog highly expressed and a 'minor' less expressed paralog that undergoes controlled expression through reduced splicing efficiency. In this study, we investigate the regulatory mechanisms controlling splicing of the minor paralog of the uS4 protein gene (RPS9A), demonstrating that its splicing is repressed during vegetative growth but upregulated during meiosis. This differential splicing of RPS9A is mediated by two transcription factors, Rim101 and Taf14.
View Article and Find Full Text PDFDeletion of FgAtg27 decreases the pathogenicity of Fusarium graminearum through influence autophagic process.
Int J Biol Macromol
January 2025
Engineering Research Center of Ecology and Agricultural Use of Wetland, Ministry of Education, MARA Key Laboratory of Sustainable Crop Production in the Middle Reaches of the Yangtze River (Co-construction by Ministry and Province), Hubei Engineering Research Center for Pest Forewarning and Management, College of Agriculture, Yangtze University, Jingzhou 434025, Hubei, China. Electronic address:
Autophagy is a conserved and unique degradation system in eukaryotic cells, which plays crucial roles in the growth, development and pathogenesis of Fungi. Despite that, it is poorly understood in Fusarium graminearum currently. Here, we identified an autophagy gene FgAtg27 from F.
View Article and Find Full Text PDFControlled interkingdom cell-cell communication between and using quorum-sensing peptides.
Front Microbiol
December 2024
Faculty of Biology, Research Group Biological Sensor-Actuator-Systems, TUD Dresden University of Technology, Dresden, Germany.
Understanding communication among microorganisms through the array of signal molecules and establishing controlled signal transfer between different species is a major goal of the future of biotechnology, and controlled multispecies bioreactor cultivations will open a wide range of applications. In this study, we used two quorum-sensing peptides from - namely, the competence and sporulation factor (CSF) and (PhrF)-to establish a controlled interkingdom communication system between prokaryotes and eukaryotes. For this purpose, we engineered as a reporter capable of detecting the CSF and PhrF peptides heterologously produced by the yeast .
View Article and Find Full Text PDFHistone H3 tail modifications required for meiosis in .
bioRxiv
December 2024
Department of Genetics, Cell Biology & Development, University of Minnesota, Minneapolis, MN, USA.
Histone tail phosphorylation has diverse effects on a myriad of cellular processes, including cell division, and is highly conserved throughout eukaryotes. Histone H3 phosphorylation at threonine 3 (H3T3) during mitosis occurs at the inner centromeres and is required for proper biorientation of chromosomes on the mitotic spindle. While H3T3 is also phosphorylated during meiosis, a possible role for this modification has not been tested.
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