IMAGE (IMAGE) Nara Institute of Science and Technology Caption Egg cells of the liverwort Marchantia polymorpha before (left) or after (right) fertilization. Green and magenta colors indicate localization of MpKNOX1-GFP proteins and maternal tissues, respectively. Note that fertilization triggers enrichment of MpKNOX1-GFP in unfused male and female nuclei. Credit Tetsuya Hisanaga and Keiji Nakajima Usage Restrictions Credit required License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.