Genomics of forest trees
Molecular Physiology And Biotechnology Of Trees 2019, 89:1-37
Over the past decade increasing availability and decreasing costs of "next" generation sequencing has revolutionised our ability to assay numerous aspects of genome function. Initially, massively parallel high throughput sequencing technologies resulted in a rapid increase in the number of published tree genomes and, to an even greater extent, transcriptome studies. Whereas previous genomics efforts were concentrated on a small number of model species, these new sequencing technologies have liberated the choice of species, particularly so assaying gene expression using RNA Sequencing and, more recently, for assays of epigenomics including genome structure and accessibility. These advances in sequencing throughput and cost enabled the first draft assemblies of the large (similar to 20 Gbp) genomes of a number of conifer species in addition to an ever-increasing number of angiosperm tree species, with more than 40 genomes now publicly available. The falling cost of sequencing has also enabled genome resequencing, genome wide association studies and population gene expression studies, the results of which are providing new insight into the developmental programs associated with wood formation, stress and disease tolerance, adaptive potential, population genetics and evolutionary history of tree species.
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