Genome instability

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Biology
Genetics
Molecular genetics

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Cancer

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KRAB'n'KAP, DNA methylation and epigenetic memory

Andrea Coluccio

The KZFP/KAP1 (Krüppel associated box zinc finger proteins/KRAB-associated protein 1) complex is a transcriptional repressor that triggers the deposition of heterochromatin (H3K9me3) and DNA methylation. The main targets of the KZFP/KAP1 complex are transp ...

EPFL2017

Quantitative telomeric chromatin isolation protocol for human cells

Joachim Lingner, Sophie Redon, Jana Majerská

The ends of eukaryotic chromosomes, known as telomeres, consist of repetitive DNA sequences, multiple proteins and noncoding RNAs. Telomeres are dynamic structures that play crucial roles as guardians of genome stability and tumor suppressors. Defects in t ...

2017

Interbacterial predation as a strategy for DNA acquisition in naturally competent bacteria

Melanie Blokesch

Natural competence enables bacteria to take up exogenous DNA. The evolutionary function of natural competence remains controversial, as imported DNA can act as a source of substrates or can be integrated into the genome. Exogenous homologous DNA can also b ...

Nature Publishing Group2017

Centrosomes and cancer: revisiting a long-standing relationship

Pierre Gönczy

Over a century ago, centrosome aberrations were postulated to cause cancer by promoting genome instability. The mechanisms governing centrosome assembly and function are increasingly well understood, allowing for a timely reappraisal of this postulate. Thi ...

Nature Publishing Group2015

Deficiency for the Cysteine Protease Cathepsin L Impairs Myc-Induced Tumorigenesis in a Mouse Model of Pancreatic Neuroendocrine Cancer

Douglas Hanahan, Ksenya Shchors, Nicola Rae Brindle

Motivated by the recent implication of cysteine protease cathepsin L as a potential target for anti-cancer drug development, we used a conditional MycER(TAM); Bcl-x(L) model of pancreatic neuroendocrine tumorigenesis (PNET) to assess the role of cathepsin ...

Public Library of Science2015

Frequent disruption of the RB pathway in indolent follicular lymphoma suggests a new combination therapy

Elisa Oricchio, Giovanni Ciriello

Loss of cell cycle controls is a hallmark of cancer and has a well-established role in aggressive B cell malignancies. However, the role of such lesions in indolent follicular lymphoma (FL) is unclear and individual lesions have been observed with low freq ...

2014

Subtle differences in virus composition affect disinfection kinetics and mechanisms

Tamar Kohn, Brian Pecson, Krista Rule Wigginton, Anne Thérèse Sigstam, Michele Cascella

Viral disinfection kinetics have been studied in depth, but the molecular-level inactivation mechanisms are not understood. Consequently, it is difficult to predict the disinfection behavior of non-culturable viruses, even when related, culturable viruses ...

American Society for Microbiology2013

Inactivation of bacteriophage MS2 with potassium ferrate(VI)

Tamar Kohn, Anne Thérèse Sigstam, Timothy Strathmann

Ferrate [Fe(VI); FeO42-] is an emerging oxidizing agent capable of controlling chemical and microbial water contaminants. Here, inactivation of MS2 coliphage by Fe(VI) was examined. The inactivation kinetics observed in individual batch experiments was wel ...

Amer Chemical Soc2012

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Deficiency for the Cysteine Protease Cathepsin L Impairs Myc-Induced Tumorigenesis in a Mouse Model of Pancreatic Neuroendocrine Cancer

Douglas Hanahan, Ksenya Shchors, Nicola Rae Brindle

Public Library of Science2015