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      The role of RNA-binding protein, microRNA and alternative splicing in seed germination: a field need to be discovered

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          Abstract

          Seed germination is the process through which a quiescent organ reactivates its metabolism culminating with the resumption cell divisions. It is usually the growth of a plant contained within a seed and results in the formation of a seedling. Post-transcriptional regulation plays an important role in gene expression. In cells, post-transcriptional regulation is mediated by many factors, such as RNA-binding proteins, microRNAs, and the spliceosome. This review provides an overview of the relationship between seed germination and post-transcriptional regulation. It addresses the relationship between seed germination and RNA-binding proteins, microRNAs and alternative splicing. This presentation of the current state of the knowledge will promote new investigations into the relevance of the interactions between seed germination and post-transcriptional regulation in plants.

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          Metazoan MicroRNAs

          David Bartel (2018)
          MicroRNAs (miRNAs) are ∼22 nt RNAs that direct posttranscriptional repression of mRNA targets in diverse eukaryotic lineages. In humans and other mammals, these small RNAs help sculpt the expression of most mRNAs. This article reviews advances in our understanding of the defining features of metazoan miRNAs and their biogenesis, genomics, and evolution. It then reviews how metazoan miRNAs are regulated, how they recognize and cause repression of their targets, and the biological functions of this repression, with a compilation of knockout phenotypes that shows that important biological functions have been identified for most of the broadly conserved miRNAs of mammals.
          Article 0 comments Cited 1180 times – based on 0 reviews     Review now
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            A brave new world of RNA-binding proteins

            Matthias W Hentze, Alfredo Castelló, Thomas Schwarzl … (2018)
            RNA-binding proteins (RBPs) are typically thought of as proteins that bind RNA through one or multiple globular RNA-binding domains (RBDs) and change the fate or function of the bound RNAs. Several hundred such RBPs have been discovered and investigated over the years. Recent proteome-wide studies have more than doubled the number of proteins implicated in RNA binding and uncovered hundreds of additional RBPs lacking conventional RBDs. In this Review, we discuss these new RBPs and the emerging understanding of their unexpected modes of RNA binding, which can be mediated by intrinsically disordered regions, protein-protein interaction interfaces and enzymatic cores, among others. We also discuss the RNA targets and molecular and cellular functions of the new RBPs, as well as the possibility that some RBPs may be regulated by RNA rather than regulate RNA.
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              Seed germination and vigor.

              Loïc Rajjou, Manuel Duval, Karine Gallardo … (2012)
              Germination vigor is driven by the ability of the plant embryo, embedded within the seed, to resume its metabolic activity in a coordinated and sequential manner. Studies using "-omics" approaches support the finding that a main contributor of seed germination success is the quality of the messenger RNAs stored during embryo maturation on the mother plant. In addition, proteostasis and DNA integrity play a major role in the germination phenotype. Because of its pivotal role in cell metabolism and its close relationships with hormone signaling pathways regulating seed germination, the sulfur amino acid metabolism pathway represents a key biochemical determinant of the commitment of the seed to initiate its development toward germination. This review highlights that germination vigor depends on multiple biochemical and molecular variables. Their characterization is expected to deliver new markers of seed quality that can be used in breeding programs and/or in biotechnological approaches to improve crop yields.
              Article 0 comments Cited 313 times – based on 0 reviews     Review now
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                Author and article information

                Contributors
                Ming Wang:
                ORCID: http://orcid.org/0000-0002-8637-3419
                ming.wang@qau.edu.cn
                Journal
                Journal ID (nlm-ta): BMC Plant Biol
                Journal ID (iso-abbrev): BMC Plant Biol
                Title: BMC Plant Biology
                Publisher: BioMed Central (London )
                ISSN (Electronic): 1471-2229
                Publication date (Electronic): 21 April 2021
                Publication date PMC-release: 21 April 2021
                Publication date Collection: 2021
                Volume: 21
                Electronic Location Identifier: 194
                Affiliations
                [1 ]GRID grid.412608.9, ISNI 0000 0000 9526 6338, College of Agronomy, , Qingdao Agricultural University, ; Qingdao, 266109 China
                [2 ]Dryland-Technology Key Laboratory of Shandong Province, Qingdao Agricultural, Qingdao, 266109 China
                [3 ]Administrative Committee of Yellow River Delta Agri-High-Tech Industry Demonstration Zone, Dongying, 257347 China
                [4 ]Shandong Institute of Pomology, Tai’an, 271000 China
                [5 ]Jinan Fruit Research Institute, All China Federation of Supply and Marketing Co-operatives, Jinan, 250000 China
                [6 ]GRID grid.452757.6, ISNI 0000 0004 0644 6150, Shandong Academy of Agricultural Sciences, ; Jinan, 250000 China
                Author information
                http://orcid.org/0000-0002-8637-3419
                Article
                Publisher ID: 2966
                DOI: 10.1186/s12870-021-02966-y
                PMC ID: 8061022
                PubMed ID: 33407148
                SO-VID: 8dbbd8b1-4372-4e7c-adde-84426fdb15b5
                Copyright © © The Author(s) 2021
                License:

                Open AccessThis 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 licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence 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 licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver ( http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

                History
                Date received : 28 September 2020
                Date accepted : 7 April 2021
                Categories
                Subject: Review
                Custom metadata
                issue-copyright-statement © The Author(s) 2021

                ScienceOpen disciplines: Plant science & Botany
                Keywords: seed germination,rna-binding protein,microrna,alternative splicing
                Data availability:
                ScienceOpen disciplines: Plant science & Botany
                Keywords: seed germination, rna-binding protein, microrna, alternative splicing

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