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Institute/Center: CSIC - Centro de Biología Molecular Severo Ochoa (CBM)

Author: Bénédicte Desvoyes y Crisanto Gutiérrez

Composite image showing the root tip of the model plant Arabidopsis thaliana engineered to express three different cell cycle marker proteins, each fused to a different fluorescent protein: CDT1a (light blue), a protein involved in the initiation of DNA replication that identifies cells in the G1 phase of the cell cycle, H3.1 (red), a histone that is incorporated during DNA replication that identifies cells in S and early G2 phase, and CYCLIN B1;1 (yellow)ue se indica, that defines cells in late G2 and mitosis (prophase and metaphase). This biosensor is useful to follow cell proliferation and evaluate plant performance under a variety of environmental conditions or mutant backgrounds. This works is part of the European Research Council (ERC)-funded project PLANTGROWTH.

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Visualizing cell proliferation in a growing organ