“…The nematode Caenorhabditis elegans ( C. elegans ) is an attractive model organism for study of basic biological and biomedical sciences. Particularly, RNA regulations by RNA-binding factors (e.g., RNA-binding proteins and microRNAs) have been studied intensively in the C. elegans germline [6] , [7] . These RNA regulations control germline stem cell (GSC) maintenance, mitosis/meiosis decision, and sex determination [8] .…”