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. 2017 Oct 20;8:1815. doi: 10.3389/fpls.2017.01815

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Copyright © 2017 Montacié, Durut, Opsomer, Palm, Comella, Picart, Carpentier, Pontvianne, Carapito, Schleiff and Sáez-Vásquez.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Proteomic analysis of A. thaliana nucleoli. (A) Nucleoli extraction and nanoLC-MS/MS analysis from biological uplicates: exp-1 and exp-2. From left to right: picture of a 3 week-old leaves from WT FIB2:YFP A. thaliana, number of sorted nucleoli per experiment and Venn Diagram showing the number of proteins identified in exp-1 (1,001), exp-2 (778), and both (562). (B) Pie graph shows categories of proteins found in the nucleolar fractions. Proteins are classed in three major categories: Ribosome Biogenesis Factors or RBF (35%), nucleolar non-RBF (26%) and others functions (39%). RBF are detailed in sub-categories: 45S transcription/processing (4%), 90S processome (10%), 40S (2%) and 60S (5%) assembly factors, large (9%) and small (5%) ribosome sub-units (RPL and RPS). (C) The histogram shows the percentage of nucleolar proteins found in the Cluster of Orthologous Group (COG) O.