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cryo-electron tomography

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17 October 2024 SEM image of sponge cells several grey-cylinder like shapes arranged in a circle, with a green spot in the centre.

Seeing is understanding

Imaging lets us observe biology in action – it makes visible the hidden processes of life. From its founding, EMBL has been a centre of breakthroughs and developments in bioimaging, and it continues to play a pioneering role in this field today.

SCIENCE & TECHNOLOGY

2024

science-technology

8 October 2024 Illustration showing a mitochondrion covered with many ribosomes on the left, and a zoom in to the molecular structure of a ribosome facing a membrane with its smaller subunit on the right.

What we can learn from hungry yeast cells

Scientists at EMBL Heidelberg and University of Virginia revealed a new cellular response to starvation: ribosomes attach to the mitochondrial outer membrane in a very unusual way, via their small subunit. The finding made in yeast might provide insights into how cancer cells survive the harsh…

SCIENCE & TECHNOLOGY

2024

science-technology

3 April 2023 Two male scientists with safety glasses at EMBL Imaging Centre

Dispensing microscopy expertise

Home to some of Europe’s most cutting-edge tools in molecular biology, EMBL has long shared its expertise and access to these tools through an extensive repertoire of courses, conferences, seminars, and other training. And now included in this mix is a job shadowing programme at EMBL Imaging…

LAB MATTERSSCIENCE & TECHNOLOGY

2023

lab-mattersscience-technology

10 June 2022 A colourful structural model of the doughnut-shaped human nuclear pore complex seen from above.

Puzzling out the structure of a molecular giant

Scientists have solved several mysteries around the structure and function of a true molecular giant: the human nuclear pore complex. They created the most complete model of the complex thanks to combining the program AlphaFold2 with cryo-electron tomography, integrative modelling, molecular…

SCIENCE & TECHNOLOGY

2022

sciencescience-technology

21 December 2021 A model of the doughnut-shaped nuclear pore complex. Individual molecules are marked in various colours.

Observing the secret life of molecules inside the cell

EMBL Hamburg’s Kosinski Group, the Beck Laboratory at the Max Planck Institute of Biophysics, and colleagues at EMBL Heidelberg recorded the nuclear pore complex contracting in living cells. They visualised the movement with an unprecedented level of detail with help of new software called…

SCIENCE & TECHNOLOGY

2021

sciencescience-technology

20 April 2021 Black-and-white sphere with coronavirus spike protein structures and a two-layered ring of virus membrane superimposed.

Variations on a spike

What does coronavirus’s spike protein look like in 3D? EMBL scientists and colleagues used cryo-electron tomography and molecular dynamics simulations to find out.

SCIENCE & TECHNOLOGY

2021

picture-of-the-weekscience-technology

7 December 2020 Female scientist stands in front of electron microscope that is taller than she is

Seeing deeper inside cells

While cryo-electron tomography (cryo-ET) was first envisioned in 1968, the advances the Mahamid group are bringing to this 3D method for studying molecules directly inside cells are new, and are likely to greatly expand its use.

SCIENCE & TECHNOLOGY

2020

sciencescience-technology

3 September 2020 Left: Slice of a cell in grey. Right: Two 3D reconstructions of parts of the slice, showing the internal structure.

Nuclear pores in their natural context

Scientists from the Beck group have studied the 3D structure of nuclear pores in budding yeast. They show how the architecture of the nuclear pore complex differs inside cells compared to its form observed in vitro studies.

SCIENCE & TECHNOLOGY

2020

sciencescience-technology

23 June 2009 Lattice maps for immature HIV particles. The 3D computer reconstruction shows the immature Gag lattice of HIV that matures to form the protein shell of the infecious virus. Maps are shown in perspective such that hexamers on the rear surface of the particle appear smaller. The side of the particle toward the viewer lacks ordered Gag. IMAGE: John Briggs/EMBL

New electron microscopy images reveal the assembly of HIV

Scientists at the European Molecular Biology Laboratory (EMBL) and the University Clinic Heidelberg, Germany, have produced a three-dimensional reconstruction of HIV (Human Immunodeficiency Virus), which shows the structure of the immature form of the virus at unprecedented detail. Immature HIV is…

SCIENCE & TECHNOLOGY

2009

sciencescience-technology

5 December 2007

The closest look ever at native human tissue

Seeing proteins in their natural environment and interactions inside cells has been a longstanding goal. Using an advanced microscopy technique called cryo-electron tomography, researchers from the European Molecular Biology Laboratory (EMBL) have visualised proteins responsible for cell-cell…

SCIENCE & TECHNOLOGY

2007

sciencescience-technology

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