Publications de Galina Glousker

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It has become apparent that difficulties to replicate telomeres concern not only the very ends of eukaryotic chromosomes. The challenges already start when the replication fork enters the telomeric repeats. The obstacles encountered consist mainly of nonca ...

Universal minicircle sequence binding proteins (UMSBPs) are CCHC-type zinc-finger proteins that bind a single-stranded G-rich sequence, UMS, conserved at the replication origins of the mitochondrial (kinetoplast) DNA of trypanosomatids. Here, we report tha ...

The evolutionarily conserved POT1 protein binds single-stranded G-rich telomeric DNA and has been implicated in contributing to telomeric DNA maintenance and the suppression of DNA damage checkpoint signaling. Here, we explore human POT1 function through g ...

Human cells produce thousands of lipids that change during cell differentiation and can vary across individual cells of the same type. However, we are only starting to characterize the function of these cell-to-cell differences in lipid composition. Here, ...

R-loops are three-stranded nucleic acid structures composed of a DNA–RNA hybrid and a displaced DNA strand. The long noncoding RNA TERRA forms R-loops at telomeres influencing the telomeric chromatin composition and impacting on telomere maintenance mechan ...

Although telomeres are essential for chromosome stability, they represent fragile structures in our genome. Telomere shortening occurs during aging in cells lacking telomerase due to the end replication problem. In addition, recent work uncovered that the ...

Telomerase counteracts telomere shortening, preventing cellular senescence. Telomerase deficiency causes telomere syndromes because of premature telomere exhaustion in highly proliferative cells. Paradoxically, in a recent issue of Cell, Margalef et al. (2 ...

Galina Glousker

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Challenging endings: How telomeres prevent fragility

Trypanosoma brucei UMSBP2 is a single-stranded telomeric DNA binding protein essential for chromosome end protection

Human shelterin protein POT1 prevents severe telomere instability induced by homology-directed DNA repair

Sphingolipids control dermal fibroblast heterogeneity

Detection of TERRA R-Loops at Human Telomeres

TFIIH moonlighting at telomeres

When Telomerase Causes Telomere Loss