The integrated stress response in metabolic adaptation

HD Ryoo - Journal of Biological Chemistry, 2024 - ASBMB
The integrated stress response (ISR) refers to signaling pathways initiated by stress-
activated eIF2α kinases. Distinct eIF2α kinases respond to different stress signals, including …

Ribosome biogenesis and function in development and disease

C Ni, M Buszczak - Development, 2023 - journals.biologists.com
Although differential transcription drives the development of multicellular organisms, the
ultimate readout of a protein-coding gene is ribosome-dependent mRNA translation …

Xrp1 and Irbp18 trigger a feed-forward loop of proteotoxic stress to induce the loser status

PF Langton, ME Baumgartner, R Logeay… - PLoS genetics, 2021 - journals.plos.org
Cell competition induces the elimination of less-fit “loser” cells by fitter “winner” cells. In
Drosophila, cells heterozygous mutant in ribosome genes, Rp/+, known as Minutes, are …

Collective cell migration relies on PPP1R15-mediated regulation of the endoplasmic reticulum stress response

Y Chen, JA McDonald - Current Biology, 2024 - cell.com
Collective cell migration is integral to many developmental and disease processes.
Previously, we discovered that protein phosphatase 1 (Pp1) promotes border cell collective …

Dynamic regulation of ribosome levels and translation during development

SM Breznak, NM Kotb, P Rangan - Seminars in Cell & Developmental …, 2023 - Elsevier
The ability of ribosomes to translate mRNAs into proteins is the basis of all life. While
ribosomes are essential for cell viability, reduction in levels of ribosomes can affect cell fate …

To not love thy neighbor: mechanisms of cell competition in stem cells and beyond

M Yusupova, Y Fuchs - Cell Death & Differentiation, 2023 - nature.com
Cell competition describes the process in which cells of greater fitness are capable of
sensing and instructing elimination of lesser fit mutant cells. Since its discovery in …

Ribosomal protein mutations and cell competition: autonomous and nonautonomous effects on a stress response

M Kiparaki, NE Baker - Genetics, 2023 - academic.oup.com
Ribosomal proteins (Rps) are essential for viability. Genetic mutations affecting Rp genes
were first discovered in Drosophila, where they represent a major class of haploinsufficient …

Reducing the aneuploid cell burden–cell competition and the ribosome connection

NE Baker, C Montagna - Disease models & mechanisms, 2022 - journals.biologists.com
Aneuploidy, the gain or loss of chromosomes, is the cause of birth defects and miscarriage
and is almost ubiquitous in cancer cells. Mosaic aneuploidy causes cancer predisposition …

Cell competition is driven by Xrp1-mediated phosphorylation of eukaryotic initiation factor 2α

N Ochi, M Nakamura, R Nagata, N Wakasa… - PLoS …, 2021 - journals.plos.org
Cell competition is a context-dependent cell elimination via cell-cell interaction whereby unfit
cells ('losers') are eliminated from the tissue when confronted with fitter cells ('winners') …

A multi-omics genome-and-transcriptome single-cell atlas of human preimplantation embryogenesis reveals the cellular and molecular impact of chromosome …

EF Gallardo, A Sifrim, J Chappell, J Demeulemeester… - Biorxiv, 2023 - biorxiv.org
The frequent acquisition of genomic abnormalities in human preimplantation embryos is a
leading cause of pregnancy loss, but does not necessarily prohibit healthy offspring …