ArticleCurrent genomics2021
Proteasome Activator Blm10 Regulates Transcription Especially During Aging.
Article in Current genomics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
5 citing papers in PubMed, 6 citations in OpenAlex.
- A study of genomic complexity underlying multidrug resistance in Candida auris strains in Thailand.Scientific reports · 2025Article
- Substrates bind to residues lining the ring of asymmetrically engaged bacterial proteasome activator Bpa.Nature communications · 2025Article
- PA200-Mediated Proteasomal Protein Degradation and Regulation of Cellular Senescence.International journal of molecular sciences · 2024Review
- ATP-independent substrate recruitment to proteasomal degradation in mycobacteria.Life science alliance · 2023Article
- PKR Protects the Major Catalytic Subunit of PKA Cpk1 from FgBlm10-Mediated Proteasome Degradation inInternational journal of molecular sciences · 2022Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Histones are basic elements of the chromatin and are critical to controlling chromatin structure and transcription. The proteasome activator PA200 promotes the acetylation-dependent proteasomal degradation of the core histones during spermatogenesis, DNA repair, transcription, and cellular aging and maintains the stability of histone marks. Objective: The study aimed to explore whether the yeast ortholog of PA200, Blm10, promotes degradation of the core histones during transcription and regulates transcription especially during aging. Methods: Protein degradation assays were performed to detect the role of Blm10 in histone degradation during transcription. mRNA profiles were compared in WT and mutant BY4741 or MDY510 yeast cells by RNA-sequencing. Results: The core histones can be degraded by the Blm10-proteasome in the non-replicating yeast, suggesting that Blm10 promotes the transcription-coupled degradation of the core histones. Blm10 preferentially regulates transcription in aged yeast, especially transcription of genes related to translation, amino acid metabolism, and carbohydrate metabolism. Mutations of Blm10 at F2125/N2126 in its putative acetyl-lysine binding region abolished the Blm10-mediated regulation of gene expression. Conclusion: Blm10 promotes degradation of the core histones during transcription and regulates transcription, especially during cellular aging, further supporting the critical role of PA200 in maintaining the stability of histone marks from the evolutionary view. These results should provide meaningful insights into the mechanisms underlying aging and the related diseases.
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Registered trials
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