Evidence of heterogeneous selection on quantitative traits of Prosopis flexuosa (Leguminosae) from multivariate QST-FST test

Prosopis flexuosa is an arboreal Leguminosae that grows in arid and semiarid temperate zones of Argentina, in the Monte eco-region. It is a promising native forest species for recovering arid and semiarid regions because it plays an important role in erosion control as well as in soil fertility. Fur...

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Autores principales: Darquier, María Rosario, Bessega, Cecilia Fabiana, Vilardi, Juan Cesar, Saidman, Beatriz Ofelia
Publicado: 2013
Materias:
FST
Forest trees
Molecular markers
Multivariate QST
Prosopis flexuosa
Quantitative traits
Selection
Fabaceae
Prosopis
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_16142942_v9_n1_p307_Darquier
http://hdl.handle.net/20.500.12110/paper_16142942_v9_n1_p307_Darquier
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_16142942_v9_n1_p307_Darquier
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spelling paper:paper_16142942_v9_n1_p307_Darquier2023-06-08T16:25:20Z Evidence of heterogeneous selection on quantitative traits of Prosopis flexuosa (Leguminosae) from multivariate QST-FST test Darquier, María Rosario Bessega, Cecilia Fabiana Vilardi, Juan Cesar Saidman, Beatriz Ofelia FST Forest trees Molecular markers Multivariate QST Prosopis flexuosa Quantitative traits Selection Fabaceae Prosopis Prosopis flexuosa Prosopis flexuosa is an arboreal Leguminosae that grows in arid and semiarid temperate zones of Argentina, in the Monte eco-region. It is a promising native forest species for recovering arid and semiarid regions because it plays an important role in erosion control as well as in soil fertility. Furthermore, it provides diverse economical resources. The main challenge to the forestry sector is finding a balance between production and forest protection. For this purpose, it is necessary to gather information about genetic parameters. In this study, we measured the distribution of the variation of 14 quantitative traits in an experimental half-sib stand, where families are representative of hierarchically structured populations. We applied a multivariate extension of the classical QST-FST neutrality test to determine the relative importance of drift versus selection in the distribution of genetic variability. We found strong evidence that different selective regimes act on different traits and that selection favors different optima in each sampling site. The selection to different optima is much stronger among than within provenances. This result helps explain the possible causes for the regional variation observed in P. flexuosa and to define the management units and the evolutionarily significant units for this species. © 2012 Springer-Verlag. Fil:Darquier, M.R. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Bessega, C.F. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Vilardi, J.C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Saidman, B.O. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2013 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_16142942_v9_n1_p307_Darquier http://hdl.handle.net/20.500.12110/paper_16142942_v9_n1_p307_Darquier
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic FST
Forest trees
Molecular markers
Multivariate QST
Prosopis flexuosa
Quantitative traits
Selection
Fabaceae
Prosopis
Prosopis flexuosa
spellingShingle FST
Forest trees
Molecular markers
Multivariate QST
Prosopis flexuosa
Quantitative traits
Selection
Fabaceae
Prosopis
Prosopis flexuosa
Darquier, María Rosario
Bessega, Cecilia Fabiana
Vilardi, Juan Cesar
Saidman, Beatriz Ofelia
Evidence of heterogeneous selection on quantitative traits of Prosopis flexuosa (Leguminosae) from multivariate QST-FST test
topic_facet FST
Forest trees
Molecular markers
Multivariate QST
Prosopis flexuosa
Quantitative traits
Selection
Fabaceae
Prosopis
Prosopis flexuosa
description Prosopis flexuosa is an arboreal Leguminosae that grows in arid and semiarid temperate zones of Argentina, in the Monte eco-region. It is a promising native forest species for recovering arid and semiarid regions because it plays an important role in erosion control as well as in soil fertility. Furthermore, it provides diverse economical resources. The main challenge to the forestry sector is finding a balance between production and forest protection. For this purpose, it is necessary to gather information about genetic parameters. In this study, we measured the distribution of the variation of 14 quantitative traits in an experimental half-sib stand, where families are representative of hierarchically structured populations. We applied a multivariate extension of the classical QST-FST neutrality test to determine the relative importance of drift versus selection in the distribution of genetic variability. We found strong evidence that different selective regimes act on different traits and that selection favors different optima in each sampling site. The selection to different optima is much stronger among than within provenances. This result helps explain the possible causes for the regional variation observed in P. flexuosa and to define the management units and the evolutionarily significant units for this species. © 2012 Springer-Verlag.
author Darquier, María Rosario
Bessega, Cecilia Fabiana
Vilardi, Juan Cesar
Saidman, Beatriz Ofelia
author_facet Darquier, María Rosario
Bessega, Cecilia Fabiana
Vilardi, Juan Cesar
Saidman, Beatriz Ofelia
author_sort Darquier, María Rosario
title Evidence of heterogeneous selection on quantitative traits of Prosopis flexuosa (Leguminosae) from multivariate QST-FST test
title_short Evidence of heterogeneous selection on quantitative traits of Prosopis flexuosa (Leguminosae) from multivariate QST-FST test
title_full Evidence of heterogeneous selection on quantitative traits of Prosopis flexuosa (Leguminosae) from multivariate QST-FST test
title_fullStr Evidence of heterogeneous selection on quantitative traits of Prosopis flexuosa (Leguminosae) from multivariate QST-FST test
title_full_unstemmed Evidence of heterogeneous selection on quantitative traits of Prosopis flexuosa (Leguminosae) from multivariate QST-FST test
title_sort evidence of heterogeneous selection on quantitative traits of prosopis flexuosa (leguminosae) from multivariate qst-fst test
publishDate 2013
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_16142942_v9_n1_p307_Darquier
http://hdl.handle.net/20.500.12110/paper_16142942_v9_n1_p307_Darquier
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