research The Auxin-Regulated CrRLK1L Kinase ERULUS Controls Cell Wall Composition During Root Hair Tip Growth 109 citations, February 2018 in “CB/Current biology” ERULUS controls root hair growth by regulating cell wall composition and pectin activity.
research Root Hair Defective Six-Like 4 (RSL4) Promotes Root Hair Elongation by Transcriptionally Regulating the Expression of Genes Required for Cell Growth 75 citations, July 2016 in “New phytologist” The protein RSL4 is crucial for making root hairs longer by controlling genes related to cell growth.