Basal body

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Related publications (30)

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Multicolor single-particle reconstruction of protein complexes

Pierre Gönczy, Suliana Manley, Kyle Michael Douglass, Christian Sieben, Niccolo Banterle

Single-particle reconstruction (SPR) from electron microscopy (EM) images is widely used in structural biology, but it lacks direct information on protein identity. To address this limitation, we developed a computational and analytical framework that reco ...

2018

High-speed photothermal off-resonance atomic force microscopy reveals assembly routes of centriolar scaffold protein SAS-6

Pierre Gönczy, Adrian Pascal Nievergelt, Georg Fantner, Niccolo Banterle, Santiago Harald Andany

The self-assembly of protein complexes is at the core of many fundamental biological processes1, ranging from the polymerization of cytoskeletal elements, such as microtubules2, to viral capsid formation and organelle assembly3. To reach a comprehensive un ...

2018

Cell-free reconstitution reveals centriole cartwheel assembly mechanisms

Henning Paul-Julius Stahlberg, Pierre Gönczy, Niccolo Banterle, Paul Guichard, Mircea Ioan Iacovache, Virginie Hamel, Isabelle Fluckiger, Veronika Nemcíková Villímová

How cellular organelles assemble is a fundamental question in biology. The centriole organelle organizes around a nine-foldsymmetrical cartwheel structure typically 100 nm high comprising a stack of rings that each accommodates nine homodimers of SAS-6 pro ...

Springer Nature2017

Identification of Chlamydomonas Central Core Centriolar Proteins Reveals a Role for Human WDR90 in Ciliogenesis

Pierre Gönczy, Romain Hamelin, Florence Armand, Coralie Busso, Paul Guichard, Virginie Hamel, Isabelle Fluckiger

Centrioles are evolutionarily conserved macromolecular structures that are fundamental to form cilia, flagella, and centrosomes. Centrioles are 9-fold symmetrical microtubule-based cylindrical barrels comprising three regions that can be clearly distinguis ...

2017

Centriole Biogenesis: From Identifying the Characters to Understanding the Plot

Pierre Gönczy, Niccolo Banterle

The centriole is a beautiful microtubule-based organelle that is critical for the proper execution of many fundamental cellular processes, including polarity, motility, and division. Centriole biogenesis, the making of this miniature architectural wonder, ...

Annual Reviews2017

Computational support for a scaffolding mechanism of centriole assembly

Pierre Gönczy, Paul Guichard, Virginie Hamel

Centrioles are essential for forming cilia, flagella and centrosomes. Successful centriole assembly requires proteins of the SAS-6 family, which can form oligomeric ring structures with ninefold symmetry in vitro. While important progress has been made in ...

Nature Research2016

Distinct mechanisms eliminate mother and daughter centrioles in meiosis of starfish oocytes

Pierre Gönczy

Centriole elimination is an essential process that occurs in female meiosis of metazoa to reset centriole number in the zygote at fertilization. How centrioles are eliminated remains poorly understood. Here we visualize the entire elimination process live ...

Rockefeller University Press2016

Basal body structure in Trichonympha

Pierre Gönczy, Paul Guichard

Trichonympha is a symbiotic flagellate of many species of termites and of the wood-feeding cockroach. Remarkably, this unicellular organism harbors up to over ten thousand flagella on its surface, which serve to propel it through the viscous environment of ...

Springer Nature2016

Chemical Genetic Screen Identifies Natural Products that Modulate Centriole Number

Kai Johnsson, Pierre Gönczy, Michele Graciotti, Zhou Fang

Centrioles are microtubule-based organelles found in most eukaryotic cells and that are critical for the formation of cilia and flagella, as well as of centrosomes in animal cells. The number of centrioles must be strictly regulated in proliferating cells ...

Wiley-Blackwell2016

The Human Centriolar Protein CEP135 Contains a Two-Stranded Coiled-Coil Domain Critical for Microtubule Binding

Pierre Gönczy, Paul Guichard, Georgios Hatzopoulos

Centrioles are microtubule-based structures that play important roles notably in cell division and cilium biogenesis. CEP135/Bld10p family members are evolutionarily conserved microtubule-binding proteins important for centriole formation. Here, we analyze ...

Elsevier2016

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High-speed photothermal off-resonance atomic force microscopy reveals assembly routes of centriolar scaffold protein SAS-6

Pierre Gönczy, Adrian Pascal Nievergelt, Georg Fantner, Niccolo Banterle, Santiago Harald Andany

2018