Prompted by the occasion of International Women's Day, Joan Heath and DMM reunited Professors Suzanne Cory and Joan Steitz via Zoom to discuss their extraordinary careers and joint experiences in science. They also delve into past and present challenges for women in science, and discuss the role of scientists in a post-pandemic world.
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http://dx.doi.org/10.1242/dmm.049609 | DOI Listing |
Nucleic Acids Res
August 2024
Physiology and Neurobiology Department, University of Connecticut, Storrs, CT, USA.
Classification of introns, which is crucial to understanding their evolution and splicing, has historically been binary and has resulted in the naming of major and minor introns that are spliced by their namesake spliceosome. However, a broad range of intron consensus sequences exist, leading us to here reclassify introns as minor, minor-like, hybrid, major-like, major and non-canonical introns in 263 species across six eukaryotic supergroups. Through intron orthology analysis, we discovered that minor-like introns are a transitory node for intron conversion across evolution.
View Article and Find Full Text PDFElife
January 2023
Epigenetics and Development Division, Walter and Eliza Hall Institute of Medical Research, Parkville, Australia.
The nucleoporin (NUP) ELYS, encoded by , is a large multifunctional protein with essential roles in nuclear pore assembly and mitosis. Using both larval and adult zebrafish models of hepatocellular carcinoma (HCC), in which the expression of an inducible mutant transgene () drives hepatocyte-specific hyperplasia and liver enlargement, we show that reducing gene dosage by 50% markedly decreases liver volume, while non-hyperplastic tissues are unaffected. We demonstrate that in the context of cancer, heterozygosity impairs nuclear pore formation, mitotic spindle assembly, and chromosome segregation, leading to DNA damage and activation of a Tp53-dependent transcriptional programme that induces cell death and cell cycle arrest.
View Article and Find Full Text PDFDevelopment
October 2022
Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Montebello, Oslo 0379, Norway.
Complex organ development depends on single lumen formation and its expansion during tubulogenesis. This can be achieved by correct mitotic spindle orientation during cell division, combined with luminal fluid filling that generates hydrostatic pressure. Using a human 3D cell culture model, we have identified two regulators of these processes.
View Article and Find Full Text PDFPrompted by the occasion of International Women's Day, Joan Heath and DMM reunited Professors Suzanne Cory and Joan Steitz via Zoom to discuss their extraordinary careers and joint experiences in science. They also delve into past and present challenges for women in science, and discuss the role of scientists in a post-pandemic world.
View Article and Find Full Text PDFNat Commun
April 2022
The Walter and Eliza Hall Institute for Medical Research, 1G Royal Parade, Parkville, Melbourne, VIC, 3052, Australia.
Modulation of protein abundance using tag-Targeted Protein Degrader (tTPD) systems targeting FKBP12 (dTAGs) or HaloTag7 (HaloPROTACs) are powerful approaches for preclinical target validation. Interchanging tags and tag-targeting degraders is important to achieve efficient substrate degradation, yet limited degrader/tag pairs are available and side-by-side comparisons have not been performed. To expand the tTPD repertoire we developed catalytic NanoLuc-targeting PROTACs (NanoTACs) to hijack the CRL4 complex and degrade NanoLuc tagged substrates, enabling rapid luminescence-based degradation screening.
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