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Interspecific introgression mediates adaptation to whole genome duplication

Whole genome duplication (WGD) presents new challenges to the establishment of optimal allelic combinations and to the meiotic machinery. Here, the authors show that adaptive gene flow from Arabidopsis arenosa could rescue the nascent A. lyrata from extinction following WGD.

Sarah Marburger
Patrick Monnahan
Levi Yant
ResearchOpen Access18 Nov 2019
Nature Communications

Volume: 10, P: 1-11
Parallel adaptation in autopolyploid Arabidopsis arenosa is dominated by repeated recruitment of shared alleles

Relative contributions of pre-existing versus de novo genomic variation to adaptation remain unclear. Here, the authors address this problem by examining the adaptation of autotetraploid Arabidopsis arenosa to serpentine soils and find that both types of variations contribute to rapid adaptation.

Veronika Konečná
Sian Bray
Filip Kolář
ResearchOpen Access17 Aug 2021
Nature Communications

Volume: 12, P: 1-13
Impact of whole-genome duplications on structural variant evolution in Cochlearia

Cochlearia is an evolutionarily dynamic genus with different base chromosome numbers and ploidal levels. Here, the authors construct a graph-based pangenome for Cochlearia and reveal that whole-genome duplication associated with greater diversity of genomic structural variation and their possible function in adaptation.

Tuomas Hämälä
Christopher Moore
Levi Yant
ResearchOpen Access25 Jun 2024
Nature Communications

Volume: 15, P: 1-13
Pervasive population genomic consequences of genome duplication in Arabidopsis arenosa

This study shows how polyploidy impacts population genomics and the evolutionary potential of polyploids in natural populations of the diploid-autotetraploid Arabidopsis arenosa.

Patrick Monnahan
Filip Kolář
Levi Yant
Research25 Feb 2019
Nature Ecology & Evolution

Volume: 3, P: 457-468
Chromosome-level baobab genome illuminates its evolutionary trajectory and environmental adaptation

Baobab is a long-lived tree that holds great economic, ecological, and cultural value. Here, the authors report haploid chromosome-level reference genome of Adansonia digitata and draft assemblies for a sibling tree, two trees from distinct locations in Africa, and a related species from Madagascar.

Justine K. Kitony
Kelly Colt
Todd P. Michael
ResearchOpen Access12 Oct 2024
Nature Communications

Volume: 15, P: 1-14
Formation and diversification of a paradigm biosynthetic gene cluster in plants

How plant biosynthetic gene clusters (BGCs) form and evolve remains unclear. Here, via examining available genomes within and between Arabidopsis species, the authors show that the thalianol BGC has evolved recently and is still dynamically evolving through involvement of auxiliary genes and chromosomal inversions.

Zhenhua Liu
Jitender Cheema
Anne Osbourn
ResearchOpen Access23 Oct 2020
Nature Communications

Volume: 11, P: 1-11
Genomics and biochemical analyses reveal a metabolon key to β-L-ODAP biosynthesis in Lathyrus sativus

Grass pea is a multi-stress tolerant orphan crop and developing cultivars with decreased accumulation of the neurotoxin β-L-oxalyl-2,3-diaminopropionic acid (β-L-ODAP) is one of its breeding objectives. Here, the authors assemble its genome and reveal genes involved in the biosynthesis of β-L-ODAP.

Anne Edwards
Isaac Njaci
Peter M. F. Emmrich
ResearchOpen Access16 Feb 2023
Nature Communications

Volume: 14, P: 1-16
Author Correction: Genomics and biochemical analyses reveal a metabolon key to β-L-ODAP biosynthesis in Lathyrus sativus

Anne Edwards
Isaac Njaci
Peter M. F. Emmrich
Amendments and CorrectionsOpen Access25 Aug 2023
Nature Communications

Volume: 14, P: 1
Reversion of CTL escape–variant immunodeficiency viruses in vivo

Thomas C Friedrich
Elizabeth J Dodds
David I Watkins
Research15 Feb 2004
Nature Medicine

Volume: 10, P: 275-281
Temperature-dependent regulation of flowering by antagonistic FLM variants

Temperature-dependent alternative splicing of FLOWERING LOCUS M (FLM) results in two protein products, FLM-β and FLM-δ, that regulate the onset of flowering in Arabidopsis; at cooler temperatures FLM-β represses flowering, whereas at higher temperatures, the plant preferentially produces FLM-δ, which promotes flowering.

David Posé
Leonie Verhage
Markus Schmid
Research25 Sept 2013
Nature

Volume: 503, P: 414-417
Population genomic and historical analysis suggests a global invasion by bridgehead processes in Mimulus guttatus

Vallejo-Marín et al. combine historical records, extensive worldwide and genome-wide sampling, and demographic analyses to investigate the global invasion of Mimulus guttatus from North America to Europe and the Southwest Pacific. They found that M. guttatus was first likely introduced to the British Isles from the Aleutian Islands (Alaska), followed by admixture from multiple parts of the native range, and hypothesise that populations in the British Isles then served as a bridgehead for vanguard invasions worldwide.

Mario Vallejo-Marín
Jannice Friedman
Joshua R. Puzey
ResearchOpen Access12 Mar 2021
Communications Biology

Volume: 4, P: 1-12
Chromosome-scale genome assembly of bread wheat’s wild relative Triticum timopheevii

Surbhi Grewal
Cai-yun Yang
Julie King
ResearchOpen Access23 Apr 2024
Scientific Data

Volume: 11, P: 1-11

Search

Interspecific introgression mediates adaptation to whole genome duplication

Parallel adaptation in autopolyploid Arabidopsis arenosa is dominated by repeated recruitment of shared alleles

Impact of whole-genome duplications on structural variant evolution in Cochlearia

Pervasive population genomic consequences of genome duplication in Arabidopsis arenosa

Chromosome-level baobab genome illuminates its evolutionary trajectory and environmental adaptation

Formation and diversification of a paradigm biosynthetic gene cluster in plants

Genomics and biochemical analyses reveal a metabolon key to β-L-ODAP biosynthesis in Lathyrus sativus

Author Correction: Genomics and biochemical analyses reveal a metabolon key to β-L-ODAP biosynthesis in Lathyrus sativus

Reversion of CTL escape–variant immunodeficiency viruses in vivo

Temperature-dependent regulation of flowering by antagonistic FLM variants

Population genomic and historical analysis suggests a global invasion by bridgehead processes in Mimulus guttatus

Chromosome-scale genome assembly of bread wheat’s wild relative Triticum timopheevii

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