Correction: Microbiome 9, 137 (2021)

https://doi.org/10.1186/s40168-021-01078-x

In the original article [1], it has been reported that the URL "http://www.rummeta.com" found in the Availability of Data and materials section leads to an incorrect site. The new URL should be "http://rummeta.njau.edu.cn/."

The original article has been updated.