PRJDB5139 sequencing ancient soil microbial DNA Microbes in ancient soil may act as a recorder of past human-environment. We sequenced one ancient soil site in China to validate it. sequencing ancient soil microbial DNA bioproject PRJDB5139 PRJDB5139 true Microbes in ancient soil may act as a recorder of past human-environment. We sequenced one ancient soil site in China to validate it.