Download full-text PDF |
Source |
---|---|
http://dx.doi.org/10.1007/s10858-014-9869-4 | DOI Listing |
bioRxiv
October 2024
Department of Molecular Biology and Genetics, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
Centrosomes ensure accurate chromosome segregation during cell division. Although the regulation of centrosome number is well-established, less is known about the suppression of non-centrosomal MTOCs (ncMTOCs). The E3 ligase TRIM37, implicated in Mulibrey nanism and 17q23-amplified cancers, has emerged as a key regulator of both centrosomes and ncMTOCs.
View Article and Find Full Text PDFbioRxiv
October 2024
Department of Cell & Developmental Biology, School of Biological Sciences, University of California San Diego, La Jolla, California 92093, USA.
Tightly controlled duplication of centrosomes, the major microtubule-organizing centers of animal cells, ensures bipolarity of the mitotic spindle and accurate chromosome segregation. The RBCC (RING-B-box-coiled coil) ubiquitin ligase TRIM37, whose loss is associated with elevated chromosome missegregation and the tumor-prone developmental human disorder Mulibrey nanism, prevents the formation of ectopic spindle poles that assemble around structured condensates containing the centrosomal protein centrobin. Here, we show that TRIM37's TRAF domain, unique in the extended TRIM family, engages peptide motifs in centrobin to suppress condensate formation.
View Article and Find Full Text PDFBioinform Biol Insights
April 2024
Department of Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA.
The kinetochore is a multiprotein structure that attaches at one end to DNA in the centromere and at the other end to microtubules in the mitotic spindle. By connecting centromere and spindle, the kinetochore controls the migration of chromosomes during cell division. The exact position where the kinetochore assembles on each centromere was uncertain because large sections of centromeric DNA had not been sequenced due to highly repetitive alpha-satellite arrays.
View Article and Find Full Text PDFFEBS J
April 2024
Advanced Centre for Treatment, Research and Education in Cancer, Navi Mumbai, India.
Acute promyelocytic leukemia (APL) is characterized by the fusion gene promyelocytic leukemia-retinoic acid receptor-alpha (PML-RARA) and is conventionally treated with arsenic trioxide (ATO). ATO binds directly to the RING finger, B-box, coiled-coil (RBCC) domain of PML and initiates degradation of the fusion oncoprotein PML-RARA. However, the mutational hotspot at C212-S220 disrupts ATO binding, leading to drug resistance in APL.
View Article and Find Full Text PDFFront Plant Sci
January 2023
National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China.
CONSTANS (CO) is a central regulator of floral initiation in response to photoperiod. In this study, we show that the GSK3 kinase BIN2 physically interacts with CO and the gain-of-function mutant displays late flowering phenotype through down-regulation of transcription. Genetic analyses show that BIN2 genetically acts upstream of CO in regulating flowering time.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!