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Molecular Genetics of Forest Trees and Applications in Breeding, Conservation...
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Molecular Genetics of Forest Trees and Applications in Breeding, Conservation and Management of Genetic Resources—2nd Edition

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

Deadline for manuscript submissions: closed (25 October 2024) | Viewed by 2206

Special Issue Editor

Prof. Dr. Paraskevi Alizoti

E-Mail Website
Guest Editor
Laboratory of Forest Genetics and Tree Improvement, School of Forestry and Natural Environment, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
Interests: forests genetics; tree breeding and selection strategies; conservation and use of forest genetic resources; forest genetic monitoring; quantitative, evolutionary and ecological genetics; classical and molecular breeding; genetic adaptation to climate change, assisted migration; application of GIS in conservation of genetic resources
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Molecular genetics is a key scientific area providing tools and applications enabling the study of the vast genetic diversity of forest tree species and their complex life histories; dissecting complex traits; applying marker-based breeding strategies aiming towards tailored selection of parents and acceleration of breeding cycles; characterizing forest genetic resources, in situ conservation networks, and ex situ collections; identifying genetic lineages, endangered populations, and untapped genetic resources; and facilitating the study of the genetics/genomics of adaptation to changing environments to mitigate the effects of climate change. Cutting-edge results on the above topics are urgently needed given the overarching threat of climate change and the need to better understand the extent of genetic variation and the spatial distribution of unique genes or gene families for specific adaptations that could guide us toward better characterization, conservation, and management of forest genetic resources. Meanwhile, results on the genomic prediction of breeding values and the extension at the genome-wide scale can contribute to high accuracy in genetic prediction and reduction in the duration of breeding cycles in breeding programs.

This Special Issue aims to publish cutting-edge results from across the globe on the above topics and synthesize recent knowledge obtained through the application of molecular genetics to tree breeding, conservation, and the management of forest genetic resources in the face of climate change.

Prof. Dr.  Paraskevi Alizoti
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 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

  • molecular characterization of forest genetic resources
  • molecular signatures of adaptation
  • marker-based breeding strategies
  • molecular dissection of complex traits
  • life histories of forest trees and genetic lineages
  • unique or specific genes/alleles for better adaptation to climate change

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Related Special Issue

Published Papers (2 papers)

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Research

17 pages, 7177 KiB  
Article
Genome-Wide Identification of the Uridine Diphosphate Glucotransferase Gene Family and Expression Profiling Analysis in the Stem Development of Prunus mume
by Jie Zhang, Xue Li, Zhiyuan Ma, Yu Huang, Ping Li, Tangren Cheng and Tangchun Zheng
Forests 2025, 16(1), 131; https://doi.org/10.3390/f16010131 - 12 Jan 2025
Viewed by 674
Abstract
Prunus mume, a traditional ornamental species native to China, is highly valued for both its captivating weeping variety and economic value. The glycosylation of metabolites, which is mediated by UDP-glycosyltransferases (UGTs), is essential for the regulation of secondary metabolic pathways in plants. [...] Read more.
Prunus mume, a traditional ornamental species native to China, is highly valued for both its captivating weeping variety and economic value. The glycosylation of metabolites, which is mediated by UDP-glycosyltransferases (UGTs), is essential for the regulation of secondary metabolic pathways in plants. Here, we systematically identified and analyzed the UGTs in P. mume. A total of 182 PmUGTs were identified using genomic data and categorized into 16 distinct subfamilies (A–P). All PmUGTs were distributed unevenly across the eight chromosomes, with clear evidence of tandem duplication. Additionally, synteny analysis revealed a close evolutionary relationship between P. mume and Prunus persica. A promoter cis-acting element analysis indicated that PmUGTs may respond to light, hormones, and external stresses. A heatmap analysis revealed that PmUGTs had specific expression patterns across different tissues, under various hormone treatments, and in different developmental stages of stem lignification. Notably, qRT-PCR verification showed significant differences in PmUGT163 expression between straight and weeping stems, underscoring its role in regulating plant architecture formation. Taken together, our study elucidates the evolutionary trajectory of PmUGTs and lays the groundwork for the further validation of the candidate genes involved in plant architectural formation. Full article
(This article belongs to the Special Issue Molecular Genetics of Forest Trees and Applications in Breeding, Conservation and Management of Genetic Resources—2nd Edition)
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14 pages, 5710 KiB  
Article
Functional Characterization of PagMYB148 in Salt Tolerance Response and Gene Expression Analysis under Abiotic Stress Conditions in Hybrid Poplar
by Su Jin Park, Hyun-A Jang, Hyoshin Lee and Hyunmo Choi
Forests 2024, 15(8), 1344; https://doi.org/10.3390/f15081344 - 2 Aug 2024
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Abstract
MYB transcription factors containing an R2R3 DNA-binding domain are involved in the regulation of various physiological processes, such as responses to abiotic stresses, including salt stress. In poplar, various MYB transcription factors regulate stress responses. In this study, we aimed to identify the [...] Read more.
MYB transcription factors containing an R2R3 DNA-binding domain are involved in the regulation of various physiological processes, such as responses to abiotic stresses, including salt stress. In poplar, various MYB transcription factors regulate stress responses. In this study, we aimed to identify the correlation between the transcription factor MYB148 and salt stress responses in the hybrid poplar (Populus alba × P. glandulosa). We induced a mutation in the MYB-binding domain of PagMYB148 using CRISPR/Cas9-mediated editing of the PagMYB148 gene, which induced a more suppressed expression of PagMYB148 than that in the wild-type. Although salt and drought treatments enhance the expression of PagMYB148, the pagmyb148-transgenic plants exhibited more sensitive phenotypes than the wild-type plants under salt stress. After exposure to salinity stress, the chlorophyll content was lower in pagmyb148-transgenic plants than in wild-type plants, whereas the mutation increased ion leakage from cells. Additionally, the expression of genes involved in the salt stress response was higher in pagmyb148-transgenic plants than in the wild-type. After salt treatment, pagmyb148-transgenic plants exhibited an increased level of H2O2 and reduced activity of antioxidant enzymes. In summary, the MYB148 transcription factor is involved in the regulation of salt stress resistance in hybrid poplar trees. This report contributes to providing a basis for further investigating the molecular mechanisms of the poplar PagMYB148 transcription factor under abiotic stress. Full article
(This article belongs to the Special Issue Molecular Genetics of Forest Trees and Applications in Breeding, Conservation and Management of Genetic Resources—2nd Edition)
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