Gene-Based SNP Discovery and Diversity of Forests Trees

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

Deadline for manuscript submissions: closed (31 August 2017) | Viewed by 4611

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Department of Forest Ecology and Genetics, INIA-CIFOR, Madrid, Spain
Interests: forest trees; woody species; genomics; epigenetics; adaptation; natural variability; gene expression and regulation; organogenesis; biomass production; growth regulators
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Department of Forest Ecology and Genetics INIA- CIFOR (Forest Research Centre), 28040 Madrid, Spain
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Special Issue Information

Dear Colleagues,

Single Nucleotide Polymorphisms (SNPs) are the most abundant and widely-distributed markers in plant genomes. The rapid advancement of next-generation sequencing technologies and their associated cost reduction, along with the development of the required bioinformatics resources, has democratized the large-scale discovery of SNPs in forest tree species. Different goals can guide SNP discovery and genotyping. High-throughput SNP genotyping has become a powerful tool to address a range of research areas related to structural and functional genomics, populations genomics, association genomics, conservation genomics, or genomic selection.

The acquisition of a large number of SNPs in both candidate genes and random loci across the genome, and the development of high throughput genotyping are undoubtedly a prerequisite to the implementation for tree breeding. Additionally, SNP-based genomic tools may be applied to natural forest tree populations. SNP genome-wide genotyping allows characterizing genomes at the molecular level and identifying the evolutionary forces responsible for these genomic patterns. This information is highly relevant to understand how forests trees have adapted to their environment and, ultimately, is crucial to support tree improvement.

Dr. María-Teresa Cervera
Dr. Dephine Grivet
Guest Editors

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Keywords

  • SNP identification
  • Transcriptome
  • Exome capture
  • Genotyping by Sequencing
  • SNP-genotyping, Molecular diversity
  • Linkage disequilibrium
  • Selection
  • Adaptation

Published Papers (1 paper)

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Research

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Article
Development of Multiplexed Marker Sets to Identify the Most Relevant Poplar Species for Breeding
by Hilke Schroeder, Birgit Kersten and Matthias Fladung
Forests 2017, 8(12), 492; https://doi.org/10.3390/f8120492 - 08 Dec 2017
Cited by 11 | Viewed by 4200
Abstract
Within the genus Populus, about 30 species are classified into six sections, of which some are cross-compatible. Besides naturally occurring hybrids, huge breeding programs have led to a high number of artificially produced hybrids, for which the determination of genetically involved species [...] Read more.
Within the genus Populus, about 30 species are classified into six sections, of which some are cross-compatible. Besides naturally occurring hybrids, huge breeding programs have led to a high number of artificially produced hybrids, for which the determination of genetically involved species by morphological characteristics is often difficult. This necessitates the use of molecular markers for the identification of both maternal as well as paternal species, and in the case of complex hybrids, the genealogy. For this reason, we developed new chloroplast and nuclear markers for the differentiation of up to 19 poplar species, with one to 32 individuals per species regularly used in breeding programs based on already known barcoding, other chloroplast regions, and nuclear genes of interest. We developed methods to identify species by either species-specific nucleotide variations or, when no initial information for the species was given, by using a set of markers either in a procedure of exclusion or in a multiplexed marker set. The developed markers can all be used with low-cost equipment, and some can additionally be applied using a genetic analyzer. We combined these markers in multiplexes for a very fast and easy-to-use application for the identification of poplar species and their hybrids. Full article
(This article belongs to the Special Issue Gene-Based SNP Discovery and Diversity of Forests Trees)
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