Resistance Genetics of Forest Trees

A special issue of Forests (ISSN 1999-4907). This special issue belongs to the section "Genetics and Molecular Biology".

Deadline for manuscript submissions: closed (20 October 2021) | Viewed by 6084

Special Issue Editors


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Guest Editor
Departamento de Sistemas y Recursos Naturales, Universidad Politécnica de Madrid, Madrid, Spain
Interests: forest health; forest pathogens; breeding; resistance
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Biology, West Virginia University, Morgantown, WV, USA
Interests: population genetics; quantitative genetics; genomics; tree biotic interactions; tree breeding; epidemics

Special Issue Information

Dear Colleagues,

In the last few decades, forests are experiencing an alarming incidence of alien pests and pathogens. Furthermore, global change is threatening the resilience of forest trees against biotic stressors. In this context, the selection of tree genotypes with superior resistance appears as one of the more reliable alternatives to mitigate the economic and ecological impacts of pests and diseases. This selection can be grounded on traditional breeding and more advanced tree biotechnology methods. Deepening the knowledge of tree resistance genetics is pivotal to progress in this field.

This Special Issue welcomes research works in all aspects of resistance genetics of trees and other woody species. Works can include traditional breeding, genetics, genomics, and molecular biology, as well as resistance to microbes, insects, nematodes, or parasitic plants. Works on biochemistry and the physiology of trees can also be welcome if they are proposed from a genetic perspective.

This Special Issue will incorporate both exploratory researches to help to formulate new hypotheses and targeted experiments to address specific questions. Studies using novel analytical tools are encouraged for this issue. Those encompass network analyses, multi-omics integration, big data, and machine learning. More traditional approaches are also welcome, especially when the studies include modern statistical approaches and models that integrate sources of evidence of different nature such as phenomics, next-generation sequencing, geographical surveying methods, climatological and historical data, transgenics, metabolomics, and population genotyping.

We are soliciting research papers, short communications, and review papers. Main subject areas are:

  • Quantitative genetics studies, including estimation of heritabilities and modes of inheritance
  • QTL analyses
  • Population genetics and epidemics
  • Landscape genetic analyses
  • Comparative genomics and phylogenetics
  • Targeted studies on genes involved resistance, in controlled or natural populations, including the use of transgenics and genome editing
  • Studies on allelic and polygenic interactions in genetic elements
  • Genome-wide association studies and similar approaches
  • Transcriptomic, proteomic and metabolomic studies
  • Community genetics analyses, either exploratory or experimental
  • Studies of microbiome using metabarcoding or metagenomics
  • Network analyses, studies based on Lines of Evidence and meta-analyses

Dr. Juan Antonio Martín
Dr. David Macaya-Sanz
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. Forests 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 2600 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

  • Resistance
  • Breeding
  • Genetics
  • Genomics
  • Pathogen
  • Pest

Published Papers (3 papers)

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Research

13 pages, 2957 KiB  
Article
Identification and Characterization of circRNAs under Drought Stress in Moso Bamboo (Phyllostachys edulis)
by Yiqian Li, Yang Yang, Bo Kong, Xiaolong Song, Zhimin Gao and Xueping Li
Forests 2022, 13(3), 426; https://0-doi-org.brum.beds.ac.uk/10.3390/f13030426 - 09 Mar 2022
Cited by 3 | Viewed by 1906
Abstract
Circular RNAs (circRNAs) are a class of endogenous noncoding RNAs formed by 3′-5′ ligation during splicing. They play an important role in the regulation of transcription and miRNA in eukaryotes. Drought is one of the detrimental abiotic stresses that limit plant growth and [...] Read more.
Circular RNAs (circRNAs) are a class of endogenous noncoding RNAs formed by 3′-5′ ligation during splicing. They play an important role in the regulation of transcription and miRNA in eukaryotes. Drought is one of the detrimental abiotic stresses that limit plant growth and productivity. How circRNAs influence the response to drought stress in moso bamboo (Phyllostachys edulis) remains elusive. In this study, we investigate the expression pattern of circRNAs in moso bamboo at 6 h, 12 h, 24 h and 48 h after drought treatment by deep sequencing and bioinformatics analysis and identify 4931 circRNAs, 52 of which are differentially expressed (DEcircRNAs) in drought-treated and untreated moso bamboo. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analyses of the host genes that generate the DEcircRNAs indcate that these DEcircRNAs are predicted to be involved in biochemical processes in response to drought, such as ubiquitin-mediated proteolysis, calcium-dependent protein kinase phosphorylation, amino acid biosynthesis and plant hormone signal transduction including abscisic acid. In addition, some circRNAs are shown to act as sponges for 291 miRNAs. Taken together, our results characterize the transcriptome profiles of circRNAs in drought responses and provide new insights into resistance breeding of moso bamboo. Full article
(This article belongs to the Special Issue Resistance Genetics of Forest Trees)
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21 pages, 3580 KiB  
Article
Long Non-Coding RNA and Its Regulatory Network Response to Cold Stress in Eucalyptus urophylla S.T.Blake
by Hao Chen, Jiang Li, Bingfa Qiu, Yingwei Zhao, Zhao Liu, Jun Yang and Xiangyang Kang
Forests 2021, 12(7), 836; https://0-doi-org.brum.beds.ac.uk/10.3390/f12070836 - 25 Jun 2021
Cited by 2 | Viewed by 1817
Abstract
Long non-coding RNA (lncRNA) plays an important regulatory role in plant growth and development, but its systematic identification and analysis in Eucalyptus has not yet been reported. Cold stress has a huge impact on the survival and yield of Eucalyptus seedlings, but the [...] Read more.
Long non-coding RNA (lncRNA) plays an important regulatory role in plant growth and development, but its systematic identification and analysis in Eucalyptus has not yet been reported. Cold stress has a huge impact on the survival and yield of Eucalyptus seedlings, but the regulatory mechanism of lncRNA in Eucalyptus in response to cold stress is still unclear. In this study, the transcriptomes of young leaves of Eucalyptus urophylla S.T.Blake under low-temperature treatment and restoration were analyzed by RNA-seq. A total of 11,394 lncRNAs and 46,276 mRNAs were identified, of which 300 were differentially expressed lncRNAs (DE_lncRNAs) and 5606 were differentially expressed target genes of lncRNAs under cold stress, with the total number of target genes of DE_lncRNAs being 1681. A total of 677 differentially expressed transcription factors (TFs) were also identified, mainly including ERF, MYB and the NAC transcription factor family. Gene ontology (GO) analysis of the differentially expressed genes (DEGs) and target genes of DE_lncRNAs was mostly related to the response to cold stress and external stimuli. Furthermore, lncRNA–miRNA–mRNA regulatory networks were constructed, and 22 DE_lncRNAs were predicted to be targets or targeting mimics of 20 miRNAs. A qRT-PCR was used to verify the relative expression of genes in the regulatory EuGBF3-EUC_00002677-MSTRG.7690 network, and it matched the transcriptome data, indicating that it may play an important role in the response to cold stress in E. urophylla. This study provides a new insight into lncRNA and its regulatory network under abiotic stress, especially cold stress in E. urophylla. Full article
(This article belongs to the Special Issue Resistance Genetics of Forest Trees)
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9 pages, 1539 KiB  
Article
Transcriptome Analysis Reveals Regulatory Framework for Salt and Drought Tolerance in Hibiscus hamabo Siebold & Zuccarini
by Zhiquan Wang, Longjie Ni, Jianfeng Hua, Liangqin Liu, Yunlong Yin, Huogen Li and Chunsun Gu
Forests 2021, 12(4), 454; https://0-doi-org.brum.beds.ac.uk/10.3390/f12040454 - 09 Apr 2021
Cited by 5 | Viewed by 1667
Abstract
Hibiscus hamabo Siebold & Zuccarini (H. hamabo) is tolerant to salt and drought conditions, but the molecular mechanisms that underlie this stress tolerance remain unclear. In this study, the transcriptome of H. hamabo roots was investigated under NaCl or PEG treatment. [...] Read more.
Hibiscus hamabo Siebold & Zuccarini (H. hamabo) is tolerant to salt and drought conditions, but the molecular mechanisms that underlie this stress tolerance remain unclear. In this study, the transcriptome of H. hamabo roots was investigated under NaCl or PEG treatment. A total of 20,513 and 27,516 significantly changed known genes at 6 h and 24 h, respectively, were detected between the salt or drought treatments and the control libraries. Among these, there were 3845 and 7430 overlapping genes under the two stresses at 6 h and 24 h, respectively. Based on the analysis of enriched KEGG pathways and clustering of expression patterns, the DEGs that were continuously up- or down-regulated under both salt and drought treatments were mainly enriched in MAPK signaling pathway, transcription factors, transporters and other pathways. The transcriptome expression profiles of H. hamabo provide a genetic resource for identifying common regulatory factors involved in responses to different abiotic stresses. In addition, the identified factors may be useful to developing genetic breeding strategies for the Malvaceae. Full article
(This article belongs to the Special Issue Resistance Genetics of Forest Trees)
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