2021
Contreras-Negrete, Gonzalo; Letelier, Luis; Piña-Torres, Javier; González-Rodríguez, Antonio
Genetic structure, phylogeography and potential distribution modeling suggest a population expansion in the mesquite Prosopis laevigata since the last interglacial Artículo de revista
En: Plant Systematics and Evolution, vol. 307, iss. 2, 2021, ISSN: 16156110.
Resumen | Enlaces | Etiquetas: arid zones, Phylogeography, Population expansion, Population genetics, Prosopis
@article{nokey,
title = {Genetic structure, phylogeography and potential distribution modeling suggest a population expansion in the mesquite Prosopis laevigata since the last interglacial},
author = {Gonzalo Contreras-Negrete and Luis Letelier and Javier Piña-Torres and Antonio González-Rodríguez},
doi = {10.1007/s00606-021-01744-5},
issn = {16156110},
year = {2021},
date = {2021-01-01},
journal = {Plant Systematics and Evolution},
volume = {307},
issue = {2},
publisher = {Springer},
abstract = {Patterns of genetic and phylogeographic structure and recent population history of plant species in the Mexican arid zones have been scarcely investigated. Prosopis laevigata is the most widely spread species of mesquite in Mexico, with extensive populations in the arid and semiarid zones of the central and northern plateaus and scattered presence in southern Mexico. We evaluated the genetic and phylogeographic structure of this species to infer its recent demographic history. We genotyped six nuclear microsatellite loci and sequenced the psbA3´-trnH chloroplast DNA (cpDNA) region in individuals from 21 populations covering the whole distribution of the species. Nuclear genetic diversity was moderately high (HE = 0.527), and genetic differentiation was moderate (FST = 0.16). A positive correlation between genetic diversity and latitude was observed. The cpDNA analyses indicated a lack of phylogeographic structure in P. laevigata (GST = 0.090},
keywords = {arid zones, Phylogeography, Population expansion, Population genetics, Prosopis},
pubstate = {published},
tppubtype = {article}
}
Patterns of genetic and phylogeographic structure and recent population history of plant species in the Mexican arid zones have been scarcely investigated. Prosopis laevigata is the most widely spread species of mesquite in Mexico, with extensive populations in the arid and semiarid zones of the central and northern plateaus and scattered presence in southern Mexico. We evaluated the genetic and phylogeographic structure of this species to infer its recent demographic history. We genotyped six nuclear microsatellite loci and sequenced the psbA3´-trnH chloroplast DNA (cpDNA) region in individuals from 21 populations covering the whole distribution of the species. Nuclear genetic diversity was moderately high (HE = 0.527), and genetic differentiation was moderate (FST = 0.16). A positive correlation between genetic diversity and latitude was observed. The cpDNA analyses indicated a lack of phylogeographic structure in P. laevigata (GST = 0.090
Contreras-Negrete, Gonzalo; Letelier, Luis; Piña-Torres, Javier; González-Rodríguez, Antonio
Genetic structure, phylogeography and potential distribution modeling suggest a population expansion in the mesquite Prosopis laevigata since the last interglacial Artículo de revista
En: Plant Systematics and Evolution, vol. 307, iss. 2, 2021, ISSN: 16156110.
Resumen | Enlaces | Etiquetas: arid zones, Phylogeography, Population expansion, Population genetics, Prosopis
@article{nokey,
title = {Genetic structure, phylogeography and potential distribution modeling suggest a population expansion in the mesquite Prosopis laevigata since the last interglacial},
author = {Gonzalo Contreras-Negrete and Luis Letelier and Javier Piña-Torres and Antonio González-Rodríguez},
doi = {10.1007/s00606-021-01744-5},
issn = {16156110},
year = {2021},
date = {2021-01-01},
journal = {Plant Systematics and Evolution},
volume = {307},
issue = {2},
publisher = {Springer},
abstract = {Patterns of genetic and phylogeographic structure and recent population history of plant species in the Mexican arid zones have been scarcely investigated. Prosopis laevigata is the most widely spread species of mesquite in Mexico, with extensive populations in the arid and semiarid zones of the central and northern plateaus and scattered presence in southern Mexico. We evaluated the genetic and phylogeographic structure of this species to infer its recent demographic history. We genotyped six nuclear microsatellite loci and sequenced the psbA3´-trnH chloroplast DNA (cpDNA) region in individuals from 21 populations covering the whole distribution of the species. Nuclear genetic diversity was moderately high (HE = 0.527), and genetic differentiation was moderate (FST = 0.16). A positive correlation between genetic diversity and latitude was observed. The cpDNA analyses indicated a lack of phylogeographic structure in P. laevigata (GST = 0.090},
keywords = {arid zones, Phylogeography, Population expansion, Population genetics, Prosopis},
pubstate = {published},
tppubtype = {article}
}
Patterns of genetic and phylogeographic structure and recent population history of plant species in the Mexican arid zones have been scarcely investigated. Prosopis laevigata is the most widely spread species of mesquite in Mexico, with extensive populations in the arid and semiarid zones of the central and northern plateaus and scattered presence in southern Mexico. We evaluated the genetic and phylogeographic structure of this species to infer its recent demographic history. We genotyped six nuclear microsatellite loci and sequenced the psbA3´-trnH chloroplast DNA (cpDNA) region in individuals from 21 populations covering the whole distribution of the species. Nuclear genetic diversity was moderately high (HE = 0.527), and genetic differentiation was moderate (FST = 0.16). A positive correlation between genetic diversity and latitude was observed. The cpDNA analyses indicated a lack of phylogeographic structure in P. laevigata (GST = 0.090
2018
Bravo-Monzón, Ángel Eliezer; González-Rodríguez, Antonio; Espinosa-García, Francisco Javier
Spatial structure of genetic and chemical variation in native populations of the mile-a-minute weed Mikania micrantha Artículo de revista
En: Biochemical Systematics and Ecology, vol. 76, pp. 23-31, 2018, ISSN: 03051978.
Resumen | Enlaces | Etiquetas: Asteraceae, DNA, Invasive species biocontrol, Microsatellites, Population genetics, Terpenoids
@article{nokey,
title = {Spatial structure of genetic and chemical variation in native populations of the mile-a-minute weed Mikania micrantha},
author = {Ángel Eliezer Bravo-Monzón and Antonio González-Rodríguez and Francisco Javier Espinosa-García},
doi = {10.1016/j.bse.2017.11.008},
issn = {03051978},
year = {2018},
date = {2018-01-01},
journal = {Biochemical Systematics and Ecology},
volume = {76},
pages = {23-31},
publisher = {Elsevier Ltd},
abstract = {We examined the spatial distribution and potential relationship of genetic and volatile terpenoid diversity in 13 Mexican populations of Mikania micrantha (Asteraceae) from the Atlantic and Pacific watersheds using six specific microsatellites. A low genetic diversity was observed in all populations (HE = 0.00–0.37), which may be attributed to clonal reproduction and/or their marginal location relative to the whole species distribution in the Americas. We found a significant genetic differentiation between regions, and more genetic structure in Atlantic populations where a Mantel test also showed a pattern of isolation by distance (r2 = 0.478},
keywords = {Asteraceae, DNA, Invasive species biocontrol, Microsatellites, Population genetics, Terpenoids},
pubstate = {published},
tppubtype = {article}
}
We examined the spatial distribution and potential relationship of genetic and volatile terpenoid diversity in 13 Mexican populations of Mikania micrantha (Asteraceae) from the Atlantic and Pacific watersheds using six specific microsatellites. A low genetic diversity was observed in all populations (HE = 0.00–0.37), which may be attributed to clonal reproduction and/or their marginal location relative to the whole species distribution in the Americas. We found a significant genetic differentiation between regions, and more genetic structure in Atlantic populations where a Mantel test also showed a pattern of isolation by distance (r2 = 0.478
2017
Rodríguez-Correa, Hernando; González-Rodríguez, Antonio; Oyama, Ken
Perspectivas de la Ecología Molecular en un país megadiverso Artículo de revista
En: Revista Mexicana de Biodiversidad, vol. 88, pp. 3-13, 2017, ISSN: 18703453.
Resumen | Enlaces | Etiquetas: Conservation biology, gene flow, Genomics, Molecular markers, Next generation sequencing, Phylogeography, Population genetics
@article{nokey,
title = {Perspectivas de la Ecología Molecular en un país megadiverso},
author = {Hernando Rodríguez-Correa and Antonio González-Rodríguez and Ken Oyama},
doi = {10.1016/j.rmb.2017.10.002},
issn = {18703453},
year = {2017},
date = {2017-01-01},
journal = {Revista Mexicana de Biodiversidad},
volume = {88},
pages = {3-13},
publisher = {Universidad Nacional Autonoma de Mexico},
abstract = {A review of studies on Molecular Ecology in Mexico is presented. Between 1990 and 2016, we identified 656 published studies on Molecular Ecology. The best represented subject areas were population genetics (35.3% of the studies) and phylogeography (30.3%), while emergent fields in molecular ecology, such as landscape genomics, DNA-based trophic ecology, and kinship, parentage and behavior were scarcely represented. Most frequently studied systems were animals (58.5%) and plants (32.5%), while other organisms such as fungi, protozoa and bacteria have received much less attention. In general, a considerable development of Molecular Ecology is observable in our country. However, for this tendency to continue it will be necessary to incorporate more extensively technological advances such as next generation sequencing and bioinformatics, as well as to venture into the emergent areas of the discipline.},
keywords = {Conservation biology, gene flow, Genomics, Molecular markers, Next generation sequencing, Phylogeography, Population genetics},
pubstate = {published},
tppubtype = {article}
}
A review of studies on Molecular Ecology in Mexico is presented. Between 1990 and 2016, we identified 656 published studies on Molecular Ecology. The best represented subject areas were population genetics (35.3% of the studies) and phylogeography (30.3%), while emergent fields in molecular ecology, such as landscape genomics, DNA-based trophic ecology, and kinship, parentage and behavior were scarcely represented. Most frequently studied systems were animals (58.5%) and plants (32.5%), while other organisms such as fungi, protozoa and bacteria have received much less attention. In general, a considerable development of Molecular Ecology is observable in our country. However, for this tendency to continue it will be necessary to incorporate more extensively technological advances such as next generation sequencing and bioinformatics, as well as to venture into the emergent areas of the discipline.
2005
González-Rodríguez, Antonio; Arias, Dulce M.; Oyama, Ken
Genetic variation and differentiation of populations within the Quercus affinis - Quercus laurina (Fagaceae) complex analyzed with RAPD markers Artículo de revista
En: Canadian Journal of Botany, vol. 83, iss. 2, pp. 155-162, 2005, ISSN: 00084026.
Resumen | Enlaces | Etiquetas: Hybridization, Population genetics, Quercus, RAPD markers
@article{Gonzalez-Rodriguez2005,
title = {Genetic variation and differentiation of populations within the Quercus affinis - Quercus laurina (Fagaceae) complex analyzed with RAPD markers},
author = {Antonio González-Rodríguez and Dulce M. Arias and Ken Oyama},
doi = {10.1139/B04-162},
issn = {00084026},
year = {2005},
date = {2005-01-01},
journal = {Canadian Journal of Botany},
volume = {83},
issue = {2},
pages = {155-162},
abstract = {The population genetics of two hybridizing Mexican red oaks, Quercus affinis Schweid. and Quercus laurina Humb. & Bonpl., was investigated with 54 randomly amplified polymorphic DNA (RAPD) markers scored in 415 individuals from 16 populations representing the distribution area of the two species and a probable secondary hybrid zone. Genetic relationships among populations, depicted in a unweighted pair group method with arithmetic averaging (UPGMA) dendrogram, were largely incongruent with the morphological classification of populations as Q. affinis-like or Q. laurina-like that was obtained in previous studies. In contrast, the two main population clusters in the UPGMA dendrogram corresponded to the location of populations in two distinct geographical areas: southwestern and northeastern. A Mantel test confirmed a significant association between geographic and genetic distances among populations. Analyses of molecular variance (AMOVA) indicated that most genetic variation is contained within populations (84%), while 10.5% (P < 0.0001) is among populations, and 5.1% (P = 0.007) is between the two morphological groups. Differentiation between the southwestern and northeastern geographical groups (as recognized by the UPGMA), was 7.8% (P < 0.0001). The incongruence between genetic and phenotypic patterns suggests that introgression of neutral markers has been considerable between the two species in the hybrid zone, while morphological differentiation has remained comparatively stable. © 2005 NRC.},
keywords = {Hybridization, Population genetics, Quercus, RAPD markers},
pubstate = {published},
tppubtype = {article}
}
The population genetics of two hybridizing Mexican red oaks, Quercus affinis Schweid. and Quercus laurina Humb. & Bonpl., was investigated with 54 randomly amplified polymorphic DNA (RAPD) markers scored in 415 individuals from 16 populations representing the distribution area of the two species and a probable secondary hybrid zone. Genetic relationships among populations, depicted in a unweighted pair group method with arithmetic averaging (UPGMA) dendrogram, were largely incongruent with the morphological classification of populations as Q. affinis-like or Q. laurina-like that was obtained in previous studies. In contrast, the two main population clusters in the UPGMA dendrogram corresponded to the location of populations in two distinct geographical areas: southwestern and northeastern. A Mantel test confirmed a significant association between geographic and genetic distances among populations. Analyses of molecular variance (AMOVA) indicated that most genetic variation is contained within populations (84%), while 10.5% (P < 0.0001) is among populations, and 5.1% (P = 0.007) is between the two morphological groups. Differentiation between the southwestern and northeastern geographical groups (as recognized by the UPGMA), was 7.8% (P < 0.0001). The incongruence between genetic and phenotypic patterns suggests that introgression of neutral markers has been considerable between the two species in the hybrid zone, while morphological differentiation has remained comparatively stable. © 2005 NRC.
2000
Guez, Antonio Gonz Lez-rodr; Benrey, Betty; Eda, Amé Rica Casta; Oyama, Ken
Population Genetic Structure of Acanthoscelides obtectus and A. obvelatus (Coleoptera: Bruchidae) from Wild and Cultivated Phaseolus spp. (Leguminosae) Artículo de revista
En: Entomol. Soc. Am, vol. 04510, iss. 935, pp. 1100-1107, 2000.
Resumen | Enlaces | Etiquetas: Acanthoscelides, allozymes, bruchids, gene ßow, Phaseolus, Population genetics
@article{GonzLez-rodrGuez2000,
title = {Population Genetic Structure of Acanthoscelides obtectus and A. obvelatus (Coleoptera: Bruchidae) from Wild and Cultivated Phaseolus spp. (Leguminosae)},
author = {Antonio Gonz Lez-rodr Guez and Betty Benrey and Amé Rica Casta Eda and Ken Oyama},
url = {https://watermark.silverchair.com/aesa93-1100.pdf?token=AQECAHi208BE49Ooan9kkhW_Ercy7Dm3ZL_9Cf3qfKAc485ysgAAAcowggHGBgkqhkiG9w0BBwagggG3MIIBswIBADCCAawGCSqGSIb3DQEHATAeBglghkgBZQMEAS4wEQQM7bK_-Wh3uy_rcNruAgEQgIIBfSAZ3rVg_lhEVSNQzXQPceTiL7CsY6xIwQukGPZkXDc},
year = {2000},
date = {2000-01-01},
journal = {Entomol. Soc. Am},
volume = {04510},
issue = {935},
pages = {1100-1107},
abstract = {Allozyme electrophoresis was conducted on Acanthoscelides obtectus Say and A. obvelatus Bridwell collected from seeds of wild and cultivated populations of Phaseolus vulgaris L. and P. coccineus L. from Mexico to test for evidence of host-related and regional genetic differen-tiation. In total, Þve enzymes representing six different loci were resolved for the two beetle species. SigniÞcant genetic differentiation was found at the regional level for A. obtectus, but not among populations within regions or between hosts. In A. obvelatus, differentiation was not signiÞcant. Gene ßow values were high among insect populations within regions despite their association with different wild and cultivated species and subspecies of beans. Populations belonging to the same region cluster together in a unweighted pair-group method with arithmetic average dendrogram, based on NeiÕs unbiased genetic distances. A comparison of average expected heterozygosities revealed that A. obtectus had signiÞcantly higher levels of genetic variation than A. obvelatus, which may be explained by differences in life history traits and the geographic ranges of the two bruchids.},
keywords = {Acanthoscelides, allozymes, bruchids, gene ßow, Phaseolus, Population genetics},
pubstate = {published},
tppubtype = {article}
}
Allozyme electrophoresis was conducted on Acanthoscelides obtectus Say and A. obvelatus Bridwell collected from seeds of wild and cultivated populations of Phaseolus vulgaris L. and P. coccineus L. from Mexico to test for evidence of host-related and regional genetic differen-tiation. In total, Þve enzymes representing six different loci were resolved for the two beetle species. SigniÞcant genetic differentiation was found at the regional level for A. obtectus, but not among populations within regions or between hosts. In A. obvelatus, differentiation was not signiÞcant. Gene ßow values were high among insect populations within regions despite their association with different wild and cultivated species and subspecies of beans. Populations belonging to the same region cluster together in a unweighted pair-group method with arithmetic average dendrogram, based on NeiÕs unbiased genetic distances. A comparison of average expected heterozygosities revealed that A. obtectus had signiÞcantly higher levels of genetic variation than A. obvelatus, which may be explained by differences in life history traits and the geographic ranges of the two bruchids.
Gonza, Antonio; Benrey, Betty; Castan, Amé Rica; Oyama, Ken
2000.
Resumen | Enlaces | Etiquetas: Acanthoscelides, allozymes, bruchids, gene ßow, Phaseolus, Population genetics
@report{Gonza2000,
title = {Population Genetic Structure of Acanthoscelides obtectus and A. obvelatus (Coleoptera: Bruchidae) from Wild and Cultivated Phaseolus spp. (Leguminosae)},
author = {Antonio Gonza and Betty Benrey and Amé Rica Castan and Ken Oyama},
url = {https://academic.oup.com/aesa/article/93/5/1100/9130},
year = {2000},
date = {2000-01-01},
journal = {Entomol. Soc. Am},
volume = {93},
issue = {5},
pages = {1100-1107},
abstract = {Allozyme electrophoresis was conducted on Acanthoscelides obtectus Say and A. obvelatus Bridwell collected from seeds of wild and cultivated populations of Phaseolus vulgaris L. and P. coccineus L. from Mexico to test for evidence of host-related and regional genetic differentiation. In total, Þve enzymes representing six different loci were resolved for the two beetle species. SigniÞcant genetic differentiation was found at the regional level for A. obtectus, but not among populations within regions or between hosts. In A. obvelatus, differentiation was not signiÞcant. Gene ßow values were high among insect populations within regions despite their association with different wild and cultivated species and subspecies of beans. Populations belonging to the same region cluster together in a unweighted pair-group method with arithmetic average dendrogram, based on NeiÕs unbiased genetic distances. A comparison of average expected heterozygosities revealed that A. obtectus had signiÞcantly higher levels of genetic variation than A. obvelatus, which may be explained by differences in life history traits and the geographic ranges of the two bruchids.},
keywords = {Acanthoscelides, allozymes, bruchids, gene ßow, Phaseolus, Population genetics},
pubstate = {published},
tppubtype = {report}
}
Allozyme electrophoresis was conducted on Acanthoscelides obtectus Say and A. obvelatus Bridwell collected from seeds of wild and cultivated populations of Phaseolus vulgaris L. and P. coccineus L. from Mexico to test for evidence of host-related and regional genetic differentiation. In total, Þve enzymes representing six different loci were resolved for the two beetle species. SigniÞcant genetic differentiation was found at the regional level for A. obtectus, but not among populations within regions or between hosts. In A. obvelatus, differentiation was not signiÞcant. Gene ßow values were high among insect populations within regions despite their association with different wild and cultivated species and subspecies of beans. Populations belonging to the same region cluster together in a unweighted pair-group method with arithmetic average dendrogram, based on NeiÕs unbiased genetic distances. A comparison of average expected heterozygosities revealed that A. obtectus had signiÞcantly higher levels of genetic variation than A. obvelatus, which may be explained by differences in life history traits and the geographic ranges of the two bruchids.