AUTHOR=Lv Shuo , Pan Lixia , Wang Guodong TITLE=Commentary: Primary Transcripts of microRNAs Encode Regulatory Peptides JOURNAL=Frontiers in Plant Science VOLUME=7 YEAR=2016 URL=https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2016.01436 DOI=10.3389/fpls.2016.01436 ISSN=1664-462X