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. 2017 Mar 24;8:404. doi: 10.3389/fpls.2017.00404

Figure 4.

Figure 4

Expression trends of known miRNAs which showed significantly differential expression levels in the three developmental phases of broccoli pollen. miRNAs which showed significantly differential expression patterns in the uninucleate microspores, binucleate pollen grains and trinucleate pollens were marked by corresponding red, black and blue boxes, respectively. UM, BCP, and TCP indicated uninucleate microspores, binucleate pollen grains and trinucleate pollen grains, respectively. The significantly differentially expressed miRNAs are grouped by their expression levels.