World's oldest known plant virus discovered, it's 1000 year old
Tuesday, December 18, 2018, 9:07 AM
Scientists have discovered the world's oldest plant virus dating back 1,000-years after analysing ancient corncobs found at a-Native American archeological site. Only a few RNA viruses had been discovered previously from archaeological samples, oldest dating from about 750-years-ago. The new discovery came as research team examined ancient plant material from Antelope House, an Ancestral Puebloan ruin located at Canyon de Chelly National Monument, Arizona.