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The tip protein PAAR is required for the function of the type VI secretion system

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There is a continuous demand for imaging probes offering excellent performance in various microscopy techniques for comprehensive investigations. of cellular processes by more than, one technique. FluoreScent nanodianiond gold nanoparticles (END Au) consti ...

Amer Chemical Soc2016

Total Sample Conditioning and Preparation of Nanoliter Volumes for Electron Microscopy

Henning Paul-Julius Stahlberg

Electron microscopy (EM) entered a new era with the emergence of direct electron detectors and new nanocrystal electron diffraction methods. However, sample preparation techniques have not progressed and still suffer from extensive blotting steps leading t ...

American Chemical Society (ACS)2016

Structure of viral membrane-penetrating machines by electron cryo-microscopy and tomography

Sergey Nazarov

My PhD thesis aims to obtain the structure of several bacteriophages, including so-called “jumbo” phages, using the electron cryo-microscopy (cryo-EM) and to study the structural transformation of these viruses as they attach and infect the host cell. We a ...

EPFL2015

Bacterial type III secretion systems or injectisomes are multiprotein complexes directly transporting bacterial effector proteins into eukaryotic host cells. To investigate the distribution of injectisomes in the bacterium and the influence of activation o ...

Wiley-Blackwell2015

Structure of EspB, a secreted substrate of the ESX-1 secretion system of Mycobacterium tuberculosis

Stewart Cole, Florence Pojer, Jérémie Piton, Aleksandre Japaridze

Mycobacterium tuberculosis secretes multiple virulence factors during infection via the general Sec and Tat pathways, and via specialized ESX secretion systems, also referred to as type VII secretion systems. The ESX-1 secretion system is an important viru ...

Elsevier2015

The stochastic nature of biological systems makes the study of individual cells a necessity in systems biology. Yet, handling and disruption of single cells and the analysis of the relatively low concentrations of their protein components still challenges ...

Elsevier BV2013

The ability to observe axons and dendrites with transmission electron microscopy (EM) after they have been previously imaged live with laser-scanning microscopy is a useful technique to study their synaptic connectivity. This protocol provides a detailed m ...

2013

Structure of the Dodecameric Yersinia enterocolitica Secretin YscC and Its Trypsin-Resistant Core

Henning Paul-Julius Stahlberg, Andreas Engel

The type Ill secretion system machinery, also known as the injectisome, delivers bacterial effector proteins into eukaryotic cells during infection. The outer membrane YscC secretin is a major part of Yersinia enterocolitica's injectisome and is among the ...

Elsevier BV2013

Is EM dead?

Graham Knott

Since electron microscopy (EM) first appeared in the 1930s, it has held centre stage as the primary tool for the exploration of biological structure. Yet, with the recent developments of light microscopy techniques that overcome the limitations imposed by ...

Company Of Biologists Ltd2013

4D Cryo-Electron Microscopy of Proteins

Ulrich Lorenz, Giovanni Maria Vanacore

Cryo-electron microscopy is a form of transmission electron microscopy that has been used to determine the 3D structure of biological specimens in the hydrated state and with high resolution. We report the development of 4D cryo-electron microscopy by inte ...

2013