Citrus Leaf Parenchyma Protoplast (IMAGE) Botanical Society of America Caption Citrus leaf parenchyma protoplast viewed under different light sources and filters after incubation in Hoechst 3342, Neutral Red, and MitoTracker Green. Each cell was viewed under brightfield microscopy (A), fluorescence microscopy for red and green fluorescence (B), and under DAPI filter for blue fluorescence (C). Credit Prabhjot Kaur, Pedro Gonzalez, Manjul Dutt, and Ed Etxeberria. 2018. Identification of sieve elements and companion cell protoplasts by a combination of brightfield and fluorescence microscopy. <i>Applications in Plant Sciences</i> 6(9): e1179. Usage Restrictions Please cite the article: Prabhjot Kaur, Pedro Gonzalez, Manjul Dutt, and Ed Etxeberria. 2018. Identification of sieve elements and companion cell protoplasts by a combination of brightfield and fluorescence microscopy. <i>Applications in Plant Sciences</i> 6(9): e1179. License Licensed 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.