AUTHOR=Gao Feng TITLE=Bacteria may have multiple replication origins JOURNAL=Frontiers in Microbiology VOLUME=6 YEAR=2015 URL=https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2015.00324 DOI=10.3389/fmicb.2015.00324 ISSN=1664-302X