Results 81 to 90 of about 89,922 (309)

Phase separation in DNA double-strand break response

Nucleus
DNA double-strand break (DSB) is the most dangerous type of DNA damage, which may lead to cell death or oncogenic mutations. Homologous recombination (HR) and nonhomologous end-joining (NHEJ) are two typical DSB repair mechanisms.
Huan-Lei Liu, Hao Nan, Wan-Wen Zhao, Xiang-Bo Wan, Xin-Juan Fan   +4 more
doaj   +1 more source

MITF maintains genome stability in nonmelanocyte lineages

Molecular Oncology, EarlyView.
MITF is essential for melanocyte survival and acts as an oncogene in 10%–20% of melanomas. We show that MITF depletion causes genome instability in nonmelanocytic cells, leading to LATS2‐mediated P53 activation, cell cycle arrest, and apoptosis. This study highlights the role of MITF as a genome maintenance factor beyond the melanocyte lineage. Created
Drifa H. Gudmundsdottir, Adrián López García de Lomana, Thejus B. Venkatesh, Kritika Kirty, Snaevar Sigurdsson, Linda Vidarsdottir, Ramile Dilshat, Erla Sveinbjornsdottir, Snaedis Ragnarsdottir, Daniel H Magnusson, Maria R. Bustos, Eirikur Steingrimsson, Thorkell Gudjonsson, Stefan Sigurdsson   +13 more
wiley   +1 more source

Chromatin Remodeling at DNA Double-Strand Breaks [PDF]

Cell, 2013
DNA double-strand breaks (DSBs) can arise from multiple sources, including exposure to ionizing radiation. The repair of DSBs involves both posttranslational modification of nucleosomes and concentration of DNA-repair proteins at the site of damage. Consequently, nucleosome packing and chromatin architecture surrounding the DSB may limit the ability of
Price, Brendan D., D’Andrea, Alan D.
openaire   +2 more sources

Nuclear pore links Fob1‐dependent rDNA damage relocation to lifespan control

FEBS Open Bio, EarlyView.
Damaged rDNA accumulates at a specific perinuclear interface that couples nucleolar escape with nuclear envelope association. Nuclear pores at this site help inhibit Fob1‐induced rDNA instability. This spatial organization of damage handling supports a functional link between nuclear architecture, rDNA stability, and replicative lifespan in yeast.
Yamato Okada, Mina Iwaki, Kyosuke Hagiri, Rei Izumi, Masahiko Harata, Chihiro Horigome   +5 more
wiley   +1 more source

Cells expressing murine RAD52 splice variants favor sister chromatid repair [PDF]

, 2006
The RAD52 gene is essential for homologous recombination in the yeast Saccharomyces cerevisiae. RAD52 is the archetype in an epistasis group of genes essential for DNA damage repair.
Freeman, TC, Savitzky, MH, Sunjevaric, [No Value], Rothstein, R, Marrero, VA, Thorpe, PH   +5 more
core   +1 more source

Single‐molecule DNA flow‐stretch assays for high‐throughput DNA–protein interaction studies

FEBS Open Bio, EarlyView.
We describe an optimised single‐molecule DNA flow‐stretch assay that visualises DNA–protein interactions in real time. Linear DNA fragments are tethered to a surface and stretched by buffer flow for fluorescence imaging. Using λ and φX174 DNA, this protocol enhances reproducibility and accessibility, providing a versatile approach for studying diverse ...
Ayush Kumar Ganguli, Mohammad Nour Alsamsam, Ugnė Bagdonaitė, Van Truc Vu, Chun‐Jen Huang, Polina Kuzhir, Mindaugas Zaremba, Aurimas Kopūstas, Marijonas Tutkus   +8 more
wiley   +1 more source

A small RNA response at DNA ends in Drosophila

, 2012
Small RNAs have been implicated in numerous cellular processes, including effects on chromatin structure and the repression of transposons. We describe the generation of a small RNA response at DNA ends in Drosophila that is analogous to the recently ...
Förstemann, Klaus, Böttcher, Romy, Michalik, Katharina M.   +2 more
core   +1 more source

RecG Directs DNA Synthesis during Double-Strand Break Repair.

PLoS Genetics, 2016
Homologous recombination provides a mechanism of DNA double-strand break repair (DSBR) that requires an intact, homologous template for DNA synthesis. When DNA synthesis associated with DSBR is convergent, the broken DNA strands are replaced and repair ...
Benura Azeroglu, Julia S P Mawer, Charlotte A Cockram, Martin A White, A M Mahedi Hasan, Milana Filatenkova, David R F Leach   +6 more
doaj   +1 more source

YIPFα1A expression is regulated by multilayered molecular mechanisms

FEBS Open Bio, EarlyView.
YIPFα1A, a five‐pass Golgi protein, is regulated at multiple layers. (1) Rare‐codon enrichment drives translation‐coupled mRNA decay. (2) A proximal 3′‐UTR element stabilizes mRNA. (3) A distal 3′‐UTR element included by alternate poly(A) site usage represses translation, which can be overridden by the proximal 3′‐UTR element.
Tokio Takaji, Yurika Nakanishi, Nobuhiro Nakamura   +2 more
wiley   +1 more source

c-Myc Suppression of DNA Double-strand Break Repair

Neoplasia: An International Journal for Oncology Research, 2012
c-Myc is a transcriptional factor that functions as a central regulator of cell growth, proliferation, and apoptosis. Overexpression of c-Myc also enhances DNA double-strand breaks (DSBs), genetic instability, and tumorigenesis. However, the mechanism(s)
Zhaozhong Li, Taofeek K. Owonikoko, Shi-Yong Sun, Suresh S. Ramalingam, Paul W. Doetsch, Zhi-Qiang Xiao, Fadlo R. Khuri, Walter J. Curran, Xingming Deng   +8 more
doaj   +1 more source