In:
PLOS Biology, Public Library of Science (PLoS), Vol. 21, No. 7 ( 2023-7-18), p. e3002191-
Abstract:
We study natural DNA polymorphisms and associated phenotypes in the Arabidopsis relative Cardamine hirsuta . We observed strong genetic differentiation among several ancestry groups and broader distribution of Iberian relict strains in European C . hirsuta compared to Arabidopsis. We found synchronization between vegetative and reproductive development and a pervasive role for heterochronic pathways in shaping C . hirsuta natural variation. A single, fast-cycling ChFRIGIDA allele evolved adaptively allowing range expansion from glacial refugia, unlike Arabidopsis where multiple FRIGIDA haplotypes were involved. The Azores islands, where Arabidopsis is scarce, are a hotspot for C . hirsuta diversity. We identified a quantitative trait locus (QTL) in the heterochronic SPL9 transcription factor as a determinant of an Azorean morphotype. This QTL shows evidence for positive selection, and its distribution mirrors a climate gradient that broadly shaped the Azorean flora. Overall, we establish a framework to explore how the interplay of adaptation, demography, and development shaped diversity patterns of 2 related plant species.
Type of Medium:
Online Resource
ISSN:
1545-7885
DOI:
10.1371/journal.pbio.3002191
DOI:
10.1371/journal.pbio.3002191.g001
DOI:
10.1371/journal.pbio.3002191.g002
DOI:
10.1371/journal.pbio.3002191.g003
DOI:
10.1371/journal.pbio.3002191.g004
DOI:
10.1371/journal.pbio.3002191.g005
DOI:
10.1371/journal.pbio.3002191.s001
DOI:
10.1371/journal.pbio.3002191.s002
DOI:
10.1371/journal.pbio.3002191.s003
DOI:
10.1371/journal.pbio.3002191.s004
DOI:
10.1371/journal.pbio.3002191.s005
DOI:
10.1371/journal.pbio.3002191.s006
DOI:
10.1371/journal.pbio.3002191.s007
DOI:
10.1371/journal.pbio.3002191.s008
DOI:
10.1371/journal.pbio.3002191.s009
DOI:
10.1371/journal.pbio.3002191.s010
DOI:
10.1371/journal.pbio.3002191.s011
DOI:
10.1371/journal.pbio.3002191.s012
DOI:
10.1371/journal.pbio.3002191.s013
DOI:
10.1371/journal.pbio.3002191.s014
DOI:
10.1371/journal.pbio.3002191.s015
DOI:
10.1371/journal.pbio.3002191.s016
DOI:
10.1371/journal.pbio.3002191.s017
DOI:
10.1371/journal.pbio.3002191.s018
DOI:
10.1371/journal.pbio.3002191.s019
Language:
English
Publisher:
Public Library of Science (PLoS)
Publication Date:
2023
detail.hit.zdb_id:
2126773-X
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