Genomic characterisation of arachis porphyrocalyx (valls & C.E. Simpson, 2005) (leguminosae) : multiple origin of arachis species with x = 9

The genus Arachis Linnaeus, 1753 comprises four species with x = 9, three belong to the section Arachis: Arachis praecox (Krapov. W.C. Greg. & Valls, 1994), Arachis palustris (Krapov. W.C. Greg. & Valls, 1994) and Arachis decora (Krapov. W.C. Greg. & Valls, 1994) and only one belongs t...

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Autores principales: Silvestri, María Celeste, Ortíz, Alejandra Marcela, Robledo, Germán Ariel, Montenegro Valls, José Francisco, Lavia, Graciela Inés
Formato: Artículo
Lenguaje:Inglés
Publicado: Pensoft 2022
Materias:
Arachis
Chromosomes
Chromosome evolution
Genetic resources
Acceso en línea:http://repositorio.unne.edu.ar/handle/123456789/30746
Aporte de:
RIUNNE - Repositorio Institucional de la Universidad Nacional del Nordeste (UNNE) de Universidad Nacional del Nordeste
id I48-R184-123456789-30746
record_format dspace
spelling I48-R184-123456789-307462025-03-06T11:03:11Z Genomic characterisation of arachis porphyrocalyx (valls & C.E. Simpson, 2005) (leguminosae) : multiple origin of arachis species with x = 9 Silvestri, María Celeste Ortíz, Alejandra Marcela Robledo, Germán Ariel Montenegro Valls, José Francisco Lavia, Graciela Inés Arachis Chromosomes Chromosome evolution Genetic resources The genus Arachis Linnaeus, 1753 comprises four species with x = 9, three belong to the section Arachis: Arachis praecox (Krapov. W.C. Greg. & Valls, 1994), Arachis palustris (Krapov. W.C. Greg. & Valls, 1994) and Arachis decora (Krapov. W.C. Greg. & Valls, 1994) and only one belongs to the section Erectoides: Arachis porphyrocalyx (Valls & C.E. Simpson, 2005). Recently, the x = 9 species of section Arachis have been assigned to G genome, the latest described so far. The genomic relationship of A. porphyrocalyx with these species is controversial. In the present work, we carried out a karyotypic characterisation of A. porphyrocalyx to evaluate its genomic structure and analyse the origin of all x = 9 Arachis species. Arachis porphyrocalyx showed a karyotype formula of 14m+4st, one pair of A chromosomes, satellited chromosomes type 8, one pair of 45S rDNA sites in the SAT chromosomes, one pair of 5S rDNA sites and pericentromeric C-DAPI+ bands in all chromosomes. Karyotype structure indicates that A. porphyrocalyx does not share the same genome type with the other three x = 9 species and neither with the remaining Erectoides species. Taking into account the geographic distribution, morphological and cytogenetic features, the origin of species with x = 9 of the genus Arachis cannot be unique; instead, they originated at least twice in the evolutionary history of the genus. 2022-02-04T12:53:59Z 2022-02-04T12:53:59Z 2017 Artículo Silvestri, María Celeste, et al., 2017. Genomic characterisation of arachis porphyrocalyx (valls & C.E. Simpson, 2005) (leguminosae) : multiple origin of arachis species with x = 9. Comparative Cytogenetics. Sofía: Pensoft, vol. 11, no. 1, p. 29-43. ISSN 1993-078X. 1993-0771 http://repositorio.unne.edu.ar/handle/123456789/30746 eng openAccess http://creativecommons.org/licenses/by-nc-nd/2.5/ar/ application/pdf application/pdf Pensoft Comparative Cytogenetics, 2017, vol. 11, no. 1, p. 29-43.
institution Universidad Nacional del Nordeste
institution_str I-48
repository_str R-184
collection RIUNNE - Repositorio Institucional de la Universidad Nacional del Nordeste (UNNE)
language Inglés
topic Arachis
Chromosomes
Chromosome evolution
Genetic resources
spellingShingle Arachis
Chromosomes
Chromosome evolution
Genetic resources
Silvestri, María Celeste
Ortíz, Alejandra Marcela
Robledo, Germán Ariel
Montenegro Valls, José Francisco
Lavia, Graciela Inés
Genomic characterisation of arachis porphyrocalyx (valls & C.E. Simpson, 2005) (leguminosae) : multiple origin of arachis species with x = 9
topic_facet Arachis
Chromosomes
Chromosome evolution
Genetic resources
description The genus Arachis Linnaeus, 1753 comprises four species with x = 9, three belong to the section Arachis: Arachis praecox (Krapov. W.C. Greg. & Valls, 1994), Arachis palustris (Krapov. W.C. Greg. & Valls, 1994) and Arachis decora (Krapov. W.C. Greg. & Valls, 1994) and only one belongs to the section Erectoides: Arachis porphyrocalyx (Valls & C.E. Simpson, 2005). Recently, the x = 9 species of section Arachis have been assigned to G genome, the latest described so far. The genomic relationship of A. porphyrocalyx with these species is controversial. In the present work, we carried out a karyotypic characterisation of A. porphyrocalyx to evaluate its genomic structure and analyse the origin of all x = 9 Arachis species. Arachis porphyrocalyx showed a karyotype formula of 14m+4st, one pair of A chromosomes, satellited chromosomes type 8, one pair of 45S rDNA sites in the SAT chromosomes, one pair of 5S rDNA sites and pericentromeric C-DAPI+ bands in all chromosomes. Karyotype structure indicates that A. porphyrocalyx does not share the same genome type with the other three x = 9 species and neither with the remaining Erectoides species. Taking into account the geographic distribution, morphological and cytogenetic features, the origin of species with x = 9 of the genus Arachis cannot be unique; instead, they originated at least twice in the evolutionary history of the genus.
format Artículo
author Silvestri, María Celeste
Ortíz, Alejandra Marcela
Robledo, Germán Ariel
Montenegro Valls, José Francisco
Lavia, Graciela Inés
author_facet Silvestri, María Celeste
Ortíz, Alejandra Marcela
Robledo, Germán Ariel
Montenegro Valls, José Francisco
Lavia, Graciela Inés
author_sort Silvestri, María Celeste
title Genomic characterisation of arachis porphyrocalyx (valls & C.E. Simpson, 2005) (leguminosae) : multiple origin of arachis species with x = 9
title_short Genomic characterisation of arachis porphyrocalyx (valls & C.E. Simpson, 2005) (leguminosae) : multiple origin of arachis species with x = 9
title_full Genomic characterisation of arachis porphyrocalyx (valls & C.E. Simpson, 2005) (leguminosae) : multiple origin of arachis species with x = 9
title_fullStr Genomic characterisation of arachis porphyrocalyx (valls & C.E. Simpson, 2005) (leguminosae) : multiple origin of arachis species with x = 9
title_full_unstemmed Genomic characterisation of arachis porphyrocalyx (valls & C.E. Simpson, 2005) (leguminosae) : multiple origin of arachis species with x = 9
title_sort genomic characterisation of arachis porphyrocalyx (valls & c.e. simpson, 2005) (leguminosae) : multiple origin of arachis species with x = 9
publisher Pensoft
publishDate 2022
url http://repositorio.unne.edu.ar/handle/123456789/30746
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