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Data · dataset · 2021

Data from: Recently-formed polyploid plants diversify at lower rates

Listed in Borealis and Agri-environmental Research Data Dataverse — shown once because both records carry DOI 10.5683/sp2/nqjtjh

Description

Abstract

Polyploidy, the doubling of genomic content, is a widespread feature, especially among plants, yet its macro-evolutionary impacts are contentious. Traditionally, polyploidy has been considered an evolutionary dead-end, whereas recent genomic studies suggest that polyploidy has been a key driver of macro-evolutionary success. Here we examine the consequences of polyploidy on the time scale of genera across a diverse set of vascular plants, encompassing hundreds of inferred polyploidization events.

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Likelihood-based analyses indicate that polyploids generally exhibit lower speciation rates and higher extinction rates than diploids, providing the first quantitative corroboration of the dead-end hypothesis. The increased speciation rates of diploids can, in part, be ascribed to their capacity to speciate via polyploidy. Only particularly “fit” lineages of polyploids may persist to enjoy longer term evolutionary success.

Usage notes polyploidy_database The database include 63 plant phylogenies in which ploidy variation is present. Most phylogenies are at the genus or subgenus level. Each folder contains five files: the phylogeny and associated data.

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Catalogue records · 1

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Stated by source
Other · Other
Inferred from text
Evolutionary biology 69%
Provenance · 2 source records, 21 field assertions
SourceKeyLast seenRaw
Borealisdoi:10.5683/SP2/NQJTJH12 d agoJSON v1
Agri-environmental Research Data Dataversedoi:10.5683/SP2/NQJTJH11 d agoJSON v1
FieldAssertionExtractorEvidence
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