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Polyploidy: an evolutionary and ecological force in stressful times
Polyploidy has been hypothesized to be both an evolutionary dead-end and a source for
evolutionary innovation and species diversification. Although polyploid organisms …
evolutionary innovation and species diversification. Although polyploid organisms …
Patterns and processes of diploidization in land plants
Most land plants are now known to be ancient polyploids that have rediploidized.
Diploidization involves many changes in genome organization that ultimately restore …
Diploidization involves many changes in genome organization that ultimately restore …
GenomeScope 2.0 and Smudgeplot for reference-free profiling of polyploid genomes
An important assessment prior to genome assembly and related analyses is genome
profiling, where the k-mer frequencies within raw sequencing reads are analyzed to estimate …
profiling, where the k-mer frequencies within raw sequencing reads are analyzed to estimate …
Genomic evidence for rediploidization and adaptive evolution following the whole-genome triplication
X Feng, Q Chen, W Wu, J Wang, G Li, S Xu… - Nature …, 2024 - nature.com
Abstract Whole-genome duplication (WGD), or polyploidy, events are widespread and
significant in the evolutionary history of angiosperms. However, empirical evidence for …
significant in the evolutionary history of angiosperms. However, empirical evidence for …
Triticum population sequencing provides insights into wheat adaptation
Bread wheat expanded its habitat from a core area of the Fertile Crescent to global
environments within~ 10,000 years. The genetic mechanisms of this remarkable …
environments within~ 10,000 years. The genetic mechanisms of this remarkable …
Wheat chromatin architecture is organized in genome territories and transcription factories
Background Polyploidy is ubiquitous in eukaryotic plant and fungal lineages, and it leads to
the co-existence of several copies of similar or related genomes in one nucleus. In plants …
the co-existence of several copies of similar or related genomes in one nucleus. In plants …
The duplication of genomes and genetic networks and its potential for evolutionary adaptation and survival during environmental turmoil
The importance of whole-genome duplication (WGD) for evolution is controversial. Whereas
some view WGD mainly as detrimental and an evolutionary dead end, there is growing …
some view WGD mainly as detrimental and an evolutionary dead end, there is growing …
Polyploid phylogenetics
CJ Rothfels - New Phytologist, 2021 - Wiley Online Library
Polyploidy is a dominant feature of extant plant diversity. However, major research
questions, including whether polyploidy is important to long‐term evolution or is just …
questions, including whether polyploidy is important to long‐term evolution or is just …
Relaxed purifying selection in autopolyploids drives transposable element over-accumulation which provides variants for local adaptation
Polyploidization is frequently associated with increased transposable element (TE) content.
However, what drives TE dynamics following whole genome duplication (WGD) and the …
However, what drives TE dynamics following whole genome duplication (WGD) and the …
Nested whole-genome duplications coincide with diversification and high morphological disparity in Brassicaceae
N Walden, DA German, EM Wolf, M Kiefer… - Nature …, 2020 - nature.com
Angiosperms have become the dominant terrestrial plant group by diversifying for~ 145
million years into a broad range of environments. During the course of evolution, numerous …
million years into a broad range of environments. During the course of evolution, numerous …