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Plants
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Small RNAs in Plants
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Small RNAs in Plants

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Molecular Biology".

Deadline for manuscript submissions: closed (20 August 2021) | Viewed by 5485

Special Issue Editors

Prof. Dr. Vesselin Baev

E-Mail Website
Guest Editor
Department of Molecular Biology, University of Plovdiv, 4000 Plovdiv, Bulgaria
Interests: bioinformatics; NGS; tool development; genomics; metagenomics; transcriptomics
Special Issues, Collections and Topics in MDPI journals
Dr. Mariyana Gozmanova

E-Mail Website
Guest Editor
Faculty of Biology, University of Plovdiv, Plovdiv, Bulgaria
Interests: small RNAs; miRNAs; vd-sRNAs; viroids

Special Issue Information

Dear Colleagues,

Plant growth, development, and protection against pathogens are associated with the involvement of small non-coding RNAs that fine-tune the complex molecular interactions linking the pathways and networks in those processes. The specific features of these unique RNAs, such as size diversity, different origins, and specific biogenesis, allow them to control, in a sequence-specific manner, the genetic activity of many transcripts at a transcriptional or posttranscriptional level. An in-depth study of the mechanisms of action of these RNAs and their target genes would lead to significant progress in improving and maintaining plant health, and to the sustainable development of significant traits in economically important crops.

Dr. Vesselin Baev
Dr. Mariyana Gozmanova
Guest Editors

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 submissions that pass pre-check are 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. Plants is an international peer-reviewed open access semimonthly 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 2700 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

  • small non-coding RNAs
  • microRNAs
  • abiotic and biotic stress
  • plant health

Published Papers (2 papers)

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Research

18 pages, 2063 KiB  
Article
Identification and Characterization of Verticillium nonalfalfae-Responsive MicroRNAs in the Roots of Resistant and Susceptible Hop Cultivars
by Urban Kunej, Jernej Jakše, Sebastjan Radišek and Nataša Štajner
Plants 2021, 10(9), 1883; https://doi.org/10.3390/plants10091883 - 11 Sep 2021
Cited by 1 | Viewed by 2139
Abstract
MicroRNAs are 21- to 24-nucleotide-long, non-coding RNA molecules that regulate gene expression at the post-transcriptional level. They can modulate various biological processes, including plant response and resistance to fungal pathogens. Hops are grown for use in the brewing industry and, recently, also for [...] Read more.
MicroRNAs are 21- to 24-nucleotide-long, non-coding RNA molecules that regulate gene expression at the post-transcriptional level. They can modulate various biological processes, including plant response and resistance to fungal pathogens. Hops are grown for use in the brewing industry and, recently, also for the pharmaceutical industry. Severe Verticillium wilt caused by the phytopathogenic fungus Verticillium nonalfalfae, is the main factor in yield loss in many crops, including hops (Humulus lupulus L.). In our study, we identified 56 known and 43 novel miRNAs and their expression patterns in the roots of susceptible and resistant hop cultivars after inoculation with V. nonalfalfae. In response to inoculation with V. nonalfalfae, we found five known and two novel miRNAs that are differentially expressed in the susceptible cultivar and six known miRNAs in the resistant cultivar. Differentially expressed miRNAs target 49 transcripts involved in protein localization and pigment synthesis in the susceptible cultivar, whereas they are involved in transcription factor regulation and hormone signalling in the resistant cultivar. The results of our study suggest that the susceptible and resistant hop cultivars respond differently to V. nonalfalfae inoculation at the miRNA level and that miRNAs may contribute to the successful defence of the resistant cultivar. Full article
(This article belongs to the Special Issue Small RNAs in Plants)
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16 pages, 6999 KiB  
Article
Integrative Analysis of Gene Expression and miRNAs Reveal Biological Pathways Associated with Bud Paradormancy and Endodormancy in Grapevine
by Shuchi Smita, Michael Robben, Anup Deuja, Monica Accerbi, Pamela J. Green, Senthil Subramanian and Anne Fennell
Plants 2021, 10(4), 669; https://doi.org/10.3390/plants10040669 - 31 Mar 2021
Cited by 5 | Viewed by 2447
Abstract
Transition of grapevine buds from paradormancy to endodormancy is coordinated by changes in gene expression, phytohormones, transcription factors, and other molecular regulators, but the mechanisms involved in transcriptional and post-transcriptional regulation of dormancy stages are not well delineated. To identify potential regulatory targets, [...] Read more.
Transition of grapevine buds from paradormancy to endodormancy is coordinated by changes in gene expression, phytohormones, transcription factors, and other molecular regulators, but the mechanisms involved in transcriptional and post-transcriptional regulation of dormancy stages are not well delineated. To identify potential regulatory targets, an integrative analysis of differential gene expression profiles and their inverse relationships with miRNA abundance was performed in paradormant (long day (LD) 15 h) or endodormant (short day (SD), 13 h) Vitis riparia buds. There were 400 up- and 936 downregulated differentially expressed genes in SD relative to LD buds. Gene set and gene ontology enrichment analysis indicated that hormone signaling and cell cycling genes were downregulated in SD relative to LD buds. miRNA abundance and inverse expression analyses of miRNA target genes indicated increased abundance of miRNAs that negatively regulate genes involved with cell cycle and meristem development in endodormant buds and miRNAs targeting starch metabolism related genes in paradormant buds. Analysis of interactions between abundant miRNAs and transcription factors identified a network with coinciding regulation of cell cycle and epigenetic regulation related genes in SD buds. This network provides evidence for cross regulation occurring between miRNA and transcription factors both upstream and downstream of MYB3R1. Full article
(This article belongs to the Special Issue Small RNAs in Plants)
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