Interferon-gamma binding protein (IFN-y) is notorious for the role it plays in helping poxviruses replicate. Normally when a van het immuunsysteem fights back by producing IFN -iFN-y. van virusenters the bloodstream. the surrounding cells to fight the infection which tells.

Remarkably, somewhere during the evolution of the poxvirus, it captured an IFN-y gene from its host and incorporated some of the protein structure into its own. As a result poxvirus has a very efficient "blocker" of the IFN-y antiviral response, Walter said.

The new study shows this blocking ability through crystallography, the science of mapping the atomic structure of molecules by looking at their interaction with an X-ray beam.

Van classes of the invasive organism. van Poxviruses include de many including smallpox koepokken. and monkeypox. Smallpox in particular has played a tragic role in human history: estimates show it caused between 300 million and 500 million deaths in the 20th Century.

Smallpox was declared officially eradicated in 1979, but other poxviruses remain a health threat.

„The van weerzinwekkende and enormous which is why we. van damage that the smallpox virus has done to mankind is van to understand more about the poxviruses and how they operate.“ said Mark Buller. think it is so important van professor of microbiology Ph.D. van het immunology at the Saint Louis and study author Medicine van University School of and a. "The more knowledge we have, the better we should be able to cope with other major viruses and diseases in the future."

The research was funded by grants from the National Institutes of Health and the American Heart Association.