2021
DOI: 10.1371/journal.pgen.1008748
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Polygenic adaptation of rosette growth in Arabidopsis thaliana

Abstract: The rate at which plants grow is a major functional trait in plant ecology. However, little is known about its evolution in natural populations. Here, we investigate evolutionary and environmental factors shaping variation in the growth rate of Arabidopsis thaliana. We used plant diameter as a proxy to monitor plant growth over time in environments that mimicked latitudinal differences in the intensity of natural light radiation, across a set of 278 genotypes sampled within four broad regions, including an out… Show more

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Cited by 26 publications
(28 citation statements)
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“…GWAS identified 113 associations with growth, corresponding to 93 different SNPs spanning 22 LGs, further supporting the hypothesis of a polygenic basis of growth-related traits in trevally. Growth is considered as a complex trait and has been found to be polygenic across the tree of life, in very diverse taxa from plants, like in the model species Arabidopsis thaliana (Wieters, Steige et al 2021), to vertebrates like humans (Sinnott-Armstrong, Tanigawa et al 2021) and other fish species (e.g. Liu, Sun et al 2014, Yang, Wu et al 2020, Debes, Piavchenko et al 2021).…”
Section: Discussionmentioning
confidence: 99%
“…GWAS identified 113 associations with growth, corresponding to 93 different SNPs spanning 22 LGs, further supporting the hypothesis of a polygenic basis of growth-related traits in trevally. Growth is considered as a complex trait and has been found to be polygenic across the tree of life, in very diverse taxa from plants, like in the model species Arabidopsis thaliana (Wieters, Steige et al 2021), to vertebrates like humans (Sinnott-Armstrong, Tanigawa et al 2021) and other fish species (e.g. Liu, Sun et al 2014, Yang, Wu et al 2020, Debes, Piavchenko et al 2021).…”
Section: Discussionmentioning
confidence: 99%
“…We have previously characterized rosette morphology in 19 Arabidopsis ecotypes using image based approaches during growth and development [ 22 ] and other studies have used similar descriptors for screening large Arabidopsis populations and mutants, tracking morphological changes over time and allowing a more precise dissection of developmental timing of plant growth and development [ 59 63 ]. Image analysis can quantify size and shape variation due to defined genetic lesions in rosette plants [ 64 ] and used to identify QTL for variation in rosette area, revealing a number of candidate genes for growth and size traits [ 3 , 4 , 62 , 63 , 65 67 ]. More recently, a multi-scale approach was used with the purpose of linking genes to plant shape at several scales, from the whole plant to cells and tissues attending to quantitative measurements extracted from digital images and models [ 50 ].…”
Section: Introductionmentioning
confidence: 99%
“…The release of these data spurred a series of studies and new methods designed specifically to detect polygenic selection. These methods usually involve determining which SNPs affecting a phenotype show correlated changes in frequency (Berg & Coop, 2014; Racimo et al ., 2018; Sanjak et al ., 2018; Josephs et al ., 2019; Berg et al ., 2019a, 2019b; Uricchio et al ., 2019; Edge & Coop, 2019; Kreiner et al ., 2020; Wieters et al ., 2021; Gramlich et al ., 2021); which sets of alleles are associated with certain environmental or climatic variations (Coop et al ., 2010; Turchin et al ., 2012; Robinson et al ., 2015; Yeaman et al ., 2016; Exposito-Alonso et al ., 2018; Zan & Carlborg, 2018; Exposito-Alonso et al ., 2019; MacLachlan et al ., 2021; Ehrlich et al ., 2021; Fuhrmann et al ., 2021; Rowan et al ., 2021); or determining which SNPs or genetic regions explain a large fraction of phenotypic variance and trait heritability (Zhou et al ., 2013; Yang et al ., 2015; Gazal et al ., 2017; Zeng et al ., 2018; Schoech et al ., 2019; Exposito-Alonso et al ., 2020; Duntsch et al ., 2020; Zeng et al ., 2021).…”
Section: Introductionmentioning
confidence: 99%