Scientists Compare Novel Coronavirus with SARS and MERS Viruses

Researchers find 380 amino acid substitutions between 2019-nCoV and severe acute respiratory syndrome (SARS)-related coronaviruses.

Written byAbby Olena, PhD
| 4 min read

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According to a February 11 report from the Chinese Center for Disease Control and Prevention, the coronavirus known as 2019-nCoV has infected more than 42,000 people and killed 1,016 in China since December. In a study published last week (February 7) in Cell Host & Microbe, researchers annotated three 2019-nCoV genomes and identified both differences and similarities compared with other genomes, including that of severe acute respiratory syndrome (SARS) coronavirus.

“It’s very helpful to know what the genome looks like and what the proteins look like,” says Rachel Roper, a biologist at East Carolina University who was part of the team that first analyzed and sequenced the SARS coronavirus genome in 2003 and did not participate in this study. “It gives us some idea about what protein differences may be that are allowing this virus to be so virulent and transmissible in humans.”

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  • abby olena

    As a freelancer for The Scientist, Abby reports on new developments in life science for the website. She has a PhD from Vanderbilt University and got her start in science journalism as the Chicago Tribune’s AAAS Mass Media Fellow in 2013. Following a stint as an intern for The Scientist, Abby was a postdoc in science communication at Duke University, where she developed and taught courses to help scientists share their research. In addition to her work as a science journalist, she leads science writing and communication workshops and co-produces a conversational podcast. She is based in Alabama.  

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