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Related publications (31)

Identification of a Dps contamination in Mitomycin-C–induced expression of Colicin Ia

Henning Paul-Julius Stahlberg

Colicins are bacterial toxins targeting Gram-negative bacteria, including E. coli and related Enterobacteriaceae strains. Some colicins form ion-gated pores in the inner membrane of attacked bacteria that are lethal to their target. Colicin Ia was the firs ...

2021

Nanoscale Pattern Extraction from Relative Positions of Sparse 3D Localizations

Suliana Manley, Christian Sieben

Inferring the organization of fluorescently labeled nanosized structures from single molecule localization microscopy (SMLM) data, typically obscured by stochastic noise and background, remains challenging. To overcome this, we developed a method to extrac ...

AMER CHEMICAL SOC2021

Seeing and Touching the Mycomembrane at the Nanoscale

Georg Fantner, John McKinney

Mycobacteria have unique cell envelopes, surface properties and growth dynamics, which all play a part in the ability of these important pathogens to infect, evade host immunity, disseminate and to resist antibiotic challenges. Recent atomic force microsco ...

American Society for Microbiology2021

Spatial control of nucleoporin condensation by fragile X-related proteins

Alessandro Berto

Nucleoporins (Nups) build highly organized nuclear pore complexes (NPCs) at the nuclear envelope (NE). Several Nups assemble into a sieve-like hydrogel within the central channel of the NPCs. In the cytoplasm, the soluble Nups exist, but how their assembly ...

WILEY2020

BAF restricts cGAS on nuclear DNA to prevent innate immune activation

Mahmut Selman Sakar, Beat Fierz, Andrea Ablasser, Baptiste Claude André Guey, Alexiane Clara Decout, Murat Kaynak, Kristina Makasheva, Marilena Wischnewski

The appearance of DNA in the cytosol is perceived as a danger signal that stimulates potent immune responses through cyclic guanosine monophosphate–adenosine monophosphate synthase (cGAS). How cells regulate the activity of cGAS toward self-DNA and guard a ...

American Association for the Advancement of Science2020

Torsin ATPases influence chromatin interaction of the Torsin regulator LAP1

Rudolf Hovius, Beat Fierz

The inner nuclear membrane is functionalized by diverse transmembrane proteins that associate with nuclear lamins and/or chromatin. When cells enter mitosis, membrane-chromatin contacts must be broken to allow for proper chromosome segregation; yet how thi ...

2020

Selective inhibition of STAT3 signaling using monobodies targeting the coiled-coil and N-terminal domains

Florence Pojer, Kelvin Ka Ching Lau, Oliver Hantschel, Tim Kükenshöner, Grégory La Sala

The transcription factor STAT3 is frequently activated in human solid and hematological malignancies and remains a challenging therapeutic target with no approved drugs to date. Here, we develop synthetic antibody mimetics, termed monobodies, to interfere ...

Nature Research2020

Morphogenesis Guided by 3D Patterning of Growth Factors in Biological Matrices

Matthias Lütolf, Nicolas Antoine Vincent Broguiere, Riccardo Rizzo

Three-dimensional (3D) control over the placement of bioactive cues is fundamental to understand cell guidance and develop engineered tissues. Two-photon patterning (2PP) provides such placement at micro- to millimeter scale, but nonspecific interactions b ...

Wiley-V C H Verlag Gmbh2020

Investigation and modeling of odors release from membrane holes on daily overlay in a landfill and its impact on landfill odor control

Sami Rtimi

In the present work, we studied the NH(3)and H2S odor fluxes between the exposed working area and the HDPE covering film holes of the daily overlay in an actual landfill site with a daily operating area of 1600 m(2)in Hangzhou, China. We showed that the od ...

2021

Calcium-triggered fusion of lipid membranes is enabled by amphiphilic nanoparticles

Francesco Stellacci, Ye Yang, Ahmet Bekdemir, Zekiye Pelin Güven

Lipid membrane fusion is an essential process for a number of critical biological functions. The overall process is thermodynamically favorable but faces multiple kinetic barriers along the way. Inspired by nature's engineered proteins such as SNAP recepto ...

National Academy of Sciences2020

Organelle-specific targeting of polymersomes into the cell nucleus

Zekiye Pelin Güven

Organelle-specific nanocarriers (NCs) are highly sought after for delivering therapeutic agents into the cell nucleus. This necessitates nucleocytoplasmic transport (NCT) to bypass nuclear pore complexes (NPCs). However, little is known as to how comparabl ...

National Academy of Sciences2020

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