Nora, Oxford researchers watched an engineered virus-like particle assemble step by step.

This is a particle made to resemble a virus, but designed by researchers.

The study itself examined an engineered virus-like particle.

This is a particle made to resemble a virus, but designed by researchers.

What did they learn about how its pieces come together?

Here, it means how the separate pieces join to form the particle.

They found that the protein building blocks first made weak connections.

These are protein parts that join with other parts to build the particle.

Five larger protein building blocks formed a closed ring with five sides.

These are protein parts that join with other parts to build the particle.

Those connections could come apart.

Here, it means the connections could break, separating the pieces.

The researchers reported that this step-by-step process led to a stable structure that helped the assembly move faster.

This is a firm arrangement of parts that stays together.

What was the stable structure that changed the pace?

This is a firm arrangement of parts that stays together.

They used a method called mass photometry.

This is a way to measure the mass of very small particles by observing light.

It measures the mass of individual molecules by detecting the light they scatter.

Here, it means the molecules send light in different directions.

The team also kept individual molecules in place so they could observe them continuously.

Here, it means they could watch the molecules without stopping.

Understanding how virus particles assemble could eventually help with vaccine development and with antiviral drugs that disrupt assembly.

Here, it means the drugs could interfere with the process that joins the virus particle's parts.

Understanding how virus particles assemble could eventually help with vaccine development and with antiviral drugs that disrupt assembly.

This means the work of creating and improving vaccines.