Publications related to Site-specific recombination

Robust designation of meiotic crossover sites by CDK-2 through phosphorylation of the MutS gamma complex

Crossover formation is essential for proper segregation of homologous chromosomes during meiosis. Here, we show that Caenorhabditis elegans cyclin-dependent kinase 2 (CDK-2) partners with cyclin-like protein COSA-1 to promote crossover formation by promoti ...

National Academy of Sciences2022

The makings of TERRA R-loops at chromosome ends

Joachim Lingner, Marianna Feretzaki, Rita Valador Fernandes

Telomeres protect chromosome ends from nucleolytic degradation, uncontrolled recombination by DNA repair enzymes and checkpoint signaling, and they provide mechanisms for their maintenance by semiconservative DNA replication, telomerase and homologous reco ...

TAYLOR & FRANCIS INC2021

Site-Specific Protein Conjugation onto Fluorescent Single-Walled Carbon Nanotubes

Ardemis Anoush Boghossian, Shang-Jung Wu, Vitalijs Zubkovs, Nils Schürgers

Semiconducting single-walled carbon nanotubes (SWCNTs) are among the few photostable optical emitters that are ideal for sensing, imaging, drug delivery, and monitoring of protein activity. These applications often require strategies for immobilizing prote ...

2020

Mitotic chromosome binding predicts transcription factor properties in interphase

Cédric Deluz, David Michael Suter, Torgil Elias Friman, Andrea Brigitta Alber, Mahé Cécile Raccaud

Mammalian transcription factors (TFs) differ broadly in their nuclear mobility and sequence-specific/non-specific DNA binding. How these properties affect their ability to occupy specific genomic sites and modify the epigenetic landscape is unclear. The as ...

Nature Research2019

Mitotic chromosome binding predicts transcription factor properties in interphase

Mahé Cécile Raccaud

Mammalian transcription factors (TFs) differ broadly in their nuclear mobility and sequence-specific/non-specific DNA binding affinity. How these properties affect the ability of TFs to occupy their specific binding sites in the genome and modify the epige ...

EPFL2019

Modeling and analysis of parts and devices of genetic regulation

Yves Berset

DNA encrypts the composition of the cellular material that is synthesized through transcription and translation. Never-theless, gene regulation mechanisms determine the final amount of transcribed and translated material. Transcription factors (TF) are a c ...

EPFL2018

MAR-Mediated transgene integration into permissive chromatin and increased expression by recombination pathway engineering

Christian Iseli, Nicolas Mermod, Thomas Junier, Samuel Neuenschwander, Ioannis Xenarios

Untargeted plasmid integration into mammalian cell genomes remains a poorly understood and inefficient process. The formation of plasmid concatemers and their genomic integration has been ascribed either to non-homologous end-joining (NHEJ) or homologous r ...

2017

Rhythmic modulation of transcriptional burst frequency in circadian gene promoters

Damien Lionel Nicolas

Isogenic cells sharing a common environment present a large degree of heterogeneity in gene expression, and stochasticity inherent to transcription substantially participates in this cell-to-cell variability. Notably, a majority of mammalian genes are tran ...

EPFL2017

Recombinant protein production from stable mammalian cell lines and pools

David Hacker, Sowmya Balasubramanian

We highlight recent developments for the production of recombinant proteins from suspension-adapted mammalian cell lines. We discuss the generation of stable cell lines using transposons and lentivirus vectors (non-targeted transgene integration) and site- ...

Elsevier2016

Study of transposon-mediated cell pool and cell line generation in CHO cells

Sowmya Balasubramanian

The goal of this thesis was to evaluate the use of artificial transposon systems for the generation of recombinant cell pools and cell lines with Chinese hamster ovary (CHO) cells as the production host. Transposons are naturally occurring genetic elements ...

EPFL2015

Chromatin organization, transcription factor dynamics and gene expression in higher eukaryotes with superresolution imaging and single molecule tracking

Aleksandr Benke

Gene expression is dynamic and heterogeneous across all cell types. It serves several fundamental functions such as adaptation for changing environment and developing tissue specific phenotype and functionality during development and in adult organism. Con ...

EPFL2015

Back Electron-Hole Recombination in Hematite Photoanodes for Water Splitting

Michael Graetzel, Florian Le Formal, Stanley David Tilley, Maurin Cornuz

The kinetic competition between electron-hole recombination and water oxidation is a key consideration for the development of efficient photoanodes for solar driven water splitting. In this study, we employed three complementary techniques, transient absor ...

American Chemical Society2014

A transcriptional regulator linking quorum sensing and chitin induction to render Vibrio cholerae naturally transformable

Melanie Blokesch, Mirella Lo Scrudato

The human pathogen Vibrio cholerae is an aquatic bacterium associated with zooplankton and their chitinous exoskeletons. On chitinous surfaces, V. cholerae initiates a developmental programme, known as natural competence, to mediate transformation, which i ...

Oxford University Press2013

Overexpression of the tcp Gene Cluster Using the T7 RNA Polymerase/Promoter System and Natural Transformation-Mediated Genetic Engineering of Vibrio cholerae

Melanie Blokesch

The human pathogen and aquatic bacterium Vibrio cholerae belongs to the group of naturally competent bacteria. This developmental program allows the bacterium to take up free DNA from its surrounding followed by a homologous recombination event, which allo ...

Public Library of Science2013

TransFLP - A Method to Genetically Modify Vibrio cholerae Based on Natural Transformation and FLP-recombination

Melanie Blokesch

Several methods are available to manipulate bacterial chromosomes(1-3). Most of these protocols rely on the insertion of conditionally replicative plasmids (e.g. harboring pir-dependent or temperature-sensitive replicons(1,2)). These plasmids are integrate ...

2012

Genetic manipulation of Vibrio cholerae by combining natural transformation with FLP recombination

Melanie Blokesch, Olga de Souza Silva

Even though Vibrio cholerae is a well-known human pathogen, it is also a normal member of aquatic habitats. Within this environment it often forms biofilms on the chitin-containing exoskeleton of crustaceans and their molts. Chitin not only serves as nutri ...

Elsevier2010

Studies on lentiviral-mediated transgenesis

Marc-Olivier Sauvain

Transgenic animals are essential research tools, whether to address basic biological questions or to develop preclinical models of human diseases. Their generation through the injection of naked plasmid DNA into the male pronucleus of a fertilized oocyte h ...

EPFL2009

Preparation of templates for nucleic acid sequencing

Gerardo Turcatti

The invention relates to methods of generating templates for a nucleic acid sequencing reaction which comprise: providing at least one double-stranded nucleic acid molecule, wherein both strands of the double-stranded nucleic acid molecule are attached to ...

2009

How adeno-associated virus Rep78 relocalises Cdc25B to arrest the cell cycle : the multiple interactions of Rep78 with cellular regulatory, replication and recombination proteins

Florence Magnin

Adeno-associated virus (AAV) is a small DNA virus belonging to the family of the parvoviridae. AAV infects the human population, however no disease has been associated with this virus. On the contrary, AAV was reported to have oncosuppressive activities. T ...

EPFL2009

Photodissociation of Alkyl Iodides in Helium Nanodroplets III: Recombination

Marcel Drabbels, Andreas Braun

The recombination of fragments resulting from the photodissociation of (fluorinated) alkyl iodides in helium nanodroplets at a wavelength of 266 nm has been investigated by means of ion imaging techniques. It is found that in the case of CH3I an appreciabl ...

2007