Special Issue "Novel Insights into the Genetics of Root Development"

A special issue of Genes (ISSN 2073-4425). This special issue belongs to the section "Plant Genetics and Genomics".

Deadline for manuscript submissions: closed (31 January 2018)

Special Issue Editor

Guest Editor
Prof. Silvio Salvi

Department of Agricultural Sciences (DipSA), University of Bologna, Bologna 40127, Italy
Website | E-Mail
Interests: QTL mapping; root architecture; root development; shoot development; flowering time; maize; barley; wheat; mutagenesis; tilling

Special Issue Information

Dear Colleagues,

In plant biology today, it is hard to find a keyword more transversal than root. Roots are invoked anytime we address the mechanisms of adaptation of plants to harsh environmental conditions (e.g., soil water availability), the interactions with symbiotic or parasitic micro-organisms, or the core cellular mechanisms of organ growth or tissue differentiation. Additionally, in crop species, roots morphology and architecture have eventually been recognized as inescapably linked with productivity and the efficient use of input resources (e.g., fertilizers). In this field, areas of active research are modelling the effect of different root architectures on crop productivity, or the continuous improvement of underground phenotyping techniques.

Until very recently, however, outside Arabidopsis, we largely missed information on genes controlling root development. Now, things are rapidly changing, and reports on new genes involved in embryonic, primary, adventitious or lateral roots development are piling up. Genes involved in anatomical features (e.g., aerenchyma) or in root hairs development are also being discovered. This is certainly partly due to the recent availability of genomics-based protocols of investigation, making the dissection of natural quantitative variation (i.e., QTL mapping and cloning) almost as efficient as the exploitation of mutants and reverse genetics for finding genes. This notwithstanding, important root biology areas (e.g., root directional growth mechanisms “Tropisms”, or cross-talk between roots and shoot) still suffer from limited genetic information.

All of the above clearly show how central and hot the genetics of root development is in current plant biology. Therefore, for this Special Issue, we would like to invite submissions of high quality original research or review articles on topics related to the genetics of root development.

Prof. Silvio Salvi
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Genes is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • QTL mapping
  • Root architecture
  • Root development
  • Root anatomy
  • Root tropism
  • Rhizosphere microbiome and root development
  • Root/Shoot crosstalk
  • Underground phenotyping

Published Papers (1 paper)

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Research

Open AccessArticle Characterization of the Transcriptome and Gene Expression of Tetraploid Black Locust Cuttings in Response to Etiolation
Genes 2017, 8(12), 345; doi:10.3390/genes8120345
Received: 21 September 2017 / Revised: 2 November 2017 / Accepted: 11 November 2017 / Published: 24 November 2017
PDF Full-text (2517 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
Etiolation (a process of growing plants in partial or complete absence of light) promotes adventitious root formation in tetraploid black locust (Robinia pseudoacacia L.) cuttings. We investigated the mechanism underlying how etiolation treatment promotes adventitious root formation in tetraploid black locust and
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Etiolation (a process of growing plants in partial or complete absence of light) promotes adventitious root formation in tetraploid black locust (Robinia pseudoacacia L.) cuttings. We investigated the mechanism underlying how etiolation treatment promotes adventitious root formation in tetraploid black locust and assessed global transcriptional changes after etiolation treatment. Solexa paired-end sequencing of complementary DNAs (cDNAs) from control (non-etiolated, NE) and etiolated (E) samples resulted in 107,564 unigenes. In total, 52,590 transcripts were annotated and 474 transcripts (211 upregulated and 263 downregulated) potentially involved in etiolation were differentially regulated. These genes were associated with hormone metabolism and response, photosynthesis, signaling pathways, and starch and sucrose metabolism. In addition, we also found significant differences of phytohormone contents, activity of following enzymes i.e., peroxidase, polyphenol oxidase and indole acetic acid oxidase between NE and E tissues during some cottage periods. The genes responsive to etiolation stimulus identified in this study will provide the base for further understanding how etiolation triggers adventitious roots formation in tetraploid black locus. Full article
(This article belongs to the Special Issue Novel Insights into the Genetics of Root Development)
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