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This research has been funded by grant BIO2016-75754-P from the Agencia Estatal de Investigacion (AEI) of Spain and the Fondo Europeo de Desarrollo Regional (FEDER, UE) to CA-B. The funding body played no role in the design of the study and collection, analysis, and interpretation of data and in writing the manuscript.

Analysis of institutional authors

Martinez-Minaya, JoaquinAuthor

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January 31, 2025
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Ecological, genetic and evolutionary drivers of regional genetic differentiation inArabidopsis thaliana

Publicated to:Bmc Evolutionary Biology. 20 (1): 71- - 2020-06-22 20(1), DOI: 10.1186/s12862-020-01635-2

Authors: Castilla, Antonio R; Mendez-Vigo, Belen; Marcer, Arnald; Martinez-Minaya, Joaquin; Conesa, David; Xavier Pico, F; Alonso-Blanco, Carlos

Affiliations

BCAM Basque Ctr Appl Math, Bilbao, Spain - Author
CSIC, Ctr Nacl Biotecnol CNB, Dept Genet Mol Plantas, Madrid, Spain - Author
CSIC, Estn Biol Donana EBD, Dept Ecol Integrat, Seville, Spain - Author
Ctr Recerca Ecol & Aplicac Forestals, CREAF, E-08193 Cerdanyola De Valles, Catalonia, Spain - Author
Univ Autonoma Barcelona, E-08193 Cerdanyola De Valles, Catalonia, Spain - Author
Univ Lisbon, Sch Agr, InBIO, Ctr Appl Ecol Prof Baeta Neves, Lisbon, Portugal - Author
Univ Valencia, Dept Estadist & Invest Operat, Valencia, Spain - Author
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Abstract

Background Disentangling the drivers of genetic differentiation is one of the cornerstones in evolution. This is because genetic diversity, and the way in which it is partitioned within and among populations across space, is an important asset for the ability of populations to adapt and persist in changing environments. We tested three major hypotheses accounting for genetic differentiation-isolation-by-distance (IBD), isolation-by-environment (IBE) and isolation-by-resistance (IBR)-in the annual plantArabidopsis thalianaacross the Iberian Peninsula, the region with the largest genomic diversity. To that end, we sampled, genotyped with genome-wide SNPs, and analyzed 1772 individuals from 278 populations distributed across the Iberian Peninsula. Results IBD, and to a lesser extent IBE, were the most important drivers of genetic differentiation inA. thaliana. In other words, dispersal limitation, genetic drift, and to a lesser extent local adaptation to environmental gradients, accounted for the within- and among-population distribution of genetic diversity. Analyses applied to the four Iberian genetic clusters, which represent the joint outcome of the long demographic and adaptive history of the species in the region, showed similar results except for one cluster, in which IBR (a function of landscape heterogeneity) was the most important driver of genetic differentiation. Using spatial hierarchical Bayesian models, we found that precipitation seasonality and topsoil pH chiefly accounted for the geographic distribution of genetic diversity in IberianA. thaliana. Conclusions Overall, the interplay between the influence of precipitation seasonality on genetic diversity and the effect of restricted dispersal and genetic drift on genetic differentiation emerges as the major forces underlying the evolutionary trajectory of IberianA. thaliana.

Keywords

ArabidopsisArabidopsis-thalianaCircuit-theoryEnvironmentEvolution, molecularF-statisticFlowering traitsGenetic diversityGenetic driftGenetic structureGenetic variationGenome, plantGenotypeIberian peninsulaLandscape geneticsLocal-populationsNatural-populationsNested maximum-likelihood population effect modelsPopulation-structurePrecipitation seasonalitySeed dormancySpatial hierarchical bayesian modelSpatial hierarchical bayesian modelsTheory predicts

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Bmc Evolutionary Biology due to its progression and the good impact it has achieved in recent years, according to the agency Scopus (SJR), it has become a reference in its field. In the year of publication of the work, 2020, it was in position , thus managing to position itself as a Q1 (Primer Cuartil), in the category Ecology, Evolution, Behavior and Systematics. Notably, the journal is positioned above the 90th percentile.

From a relative perspective, and based on the normalized impact indicator calculated from World Citations provided by WoS (ESI, Clarivate), it yields a value for the citation normalization relative to the expected citation rate of: 1.21. This indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: ESI Nov 14, 2024)

This information is reinforced by other indicators of the same type, which, although dynamic over time and dependent on the set of average global citations at the time of their calculation, consistently position the work at some point among the top 50% most cited in its field:

  • Field Citation Ratio (FCR) from Dimensions: 6.87 (source consulted: Dimensions Aug 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-08-09, the following number of citations:

  • WoS: 23
  • Europe PMC: 17

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-08-09:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 59.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 59 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 10.5.
  • The number of mentions on the social network X (formerly Twitter): 4 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.

Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Portugal.