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. 2020 Jul 1;10:10694. doi: 10.1038/s41598-020-67833-6

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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miRNA-mediated regulation of transcription factors during pollen development. (a, b) Shown are interactions between miRNAs (rectangles) and mRNAs (circles) where the miRNA and mRNA are inversely regulated during the transition from tetrads to post-meiotic pollen (a) and during the transition from post-meiotic to mature pollen (b). The regulation during the transition is indicated via the color of the rectangles and circles and is either a downregulation (green and blue) or an upregulation (yellow and red). Abbreviations are given in discussion or are: GRAS: gibberellic acid sensitive (GAI), repressor of GAI (RGA) and scarecrow (SRC); HD-ZIP: Homeodomain-leucine zipper.