Karyotype studies in mimosa (mimosoideae, leguminosae) from southern south america and ecological and taxonomic relationships

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In this work we studied the chromosome number and karyotype formula of seven species of Mi- mosa L. (Mimosoideae, Leguminosae). The chromosome number 2n = 2x = 26 for M. detinens Benth., M. hex- andra M. Micheli, M. ostenii Speg. ex Burkart and M. xanthocentra Mart. var. mansii (Benth.) Barneby are...

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Detalles Bibliográficos
Autores principales: Wulff, Arturo Federico, Poggio, Lidia
Publicado: 2011
Materias:
Chromosome
Cytogenetics
Karyotype
Leguminosae
Mimosa
Mimosoideae
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00087114_v64_n2_p203_Matias
http://hdl.handle.net/20.500.12110/paper_00087114_v64_n2_p203_Matias
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_00087114_v64_n2_p203_Matias
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spelling paper:paper_00087114_v64_n2_p203_Matias2023-06-08T14:33:23Z Karyotype studies in mimosa (mimosoideae, leguminosae) from southern south america and ecological and taxonomic relationships Wulff, Arturo Federico Poggio, Lidia Chromosome Cytogenetics Karyotype Leguminosae Mimosa Mimosoideae In this work we studied the chromosome number and karyotype formula of seven species of Mi- mosa L. (Mimosoideae, Leguminosae). The chromosome number 2n = 2x = 26 for M. detinens Benth., M. hex- andra M. Micheli, M. ostenii Speg. ex Burkart and M. xanthocentra Mart. var. mansii (Benth.) Barneby are new records, while the chromosome number 2n = 2x = 26 for M. debilis var. debilis, M. urugüensis Hook. and Arn. and M. uliginosa Chodat and Hassl. confirm previous records. Karyotype formulae revealed the existence of metacentric and submetacentric chromosomes, and the chromosomal asymmetry indexes did not show significant differences between taxa. The chromosome length of xerophilous and endemic M. detinens and M. ostenii differed from the rest of species, indicating that this parameter could have taxonomic value. In addition, the relationship between total chromosome length and climatic parameters showed that diploid species of marginal areas of distribution have a larger chromosome size, and that this could be related with mechanisms of ecologi- cal adaptation. © 2011 Taylor and Francis Group, LLC. Fil:Wulff, A.F. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Poggio, L. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2011 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00087114_v64_n2_p203_Matias http://hdl.handle.net/20.500.12110/paper_00087114_v64_n2_p203_Matias
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Chromosome
Cytogenetics
Karyotype
Leguminosae
Mimosa
Mimosoideae
spellingShingle Chromosome
Cytogenetics
Karyotype
Leguminosae
Mimosa
Mimosoideae
Wulff, Arturo Federico
Poggio, Lidia
Karyotype studies in mimosa (mimosoideae, leguminosae) from southern south america and ecological and taxonomic relationships
topic_facet Chromosome
Cytogenetics
Karyotype
Leguminosae
Mimosa
Mimosoideae
description In this work we studied the chromosome number and karyotype formula of seven species of Mi- mosa L. (Mimosoideae, Leguminosae). The chromosome number 2n = 2x = 26 for M. detinens Benth., M. hex- andra M. Micheli, M. ostenii Speg. ex Burkart and M. xanthocentra Mart. var. mansii (Benth.) Barneby are new records, while the chromosome number 2n = 2x = 26 for M. debilis var. debilis, M. urugüensis Hook. and Arn. and M. uliginosa Chodat and Hassl. confirm previous records. Karyotype formulae revealed the existence of metacentric and submetacentric chromosomes, and the chromosomal asymmetry indexes did not show significant differences between taxa. The chromosome length of xerophilous and endemic M. detinens and M. ostenii differed from the rest of species, indicating that this parameter could have taxonomic value. In addition, the relationship between total chromosome length and climatic parameters showed that diploid species of marginal areas of distribution have a larger chromosome size, and that this could be related with mechanisms of ecologi- cal adaptation. © 2011 Taylor and Francis Group, LLC.
author Wulff, Arturo Federico
Poggio, Lidia
author_facet Wulff, Arturo Federico
Poggio, Lidia
author_sort Wulff, Arturo Federico
title Karyotype studies in mimosa (mimosoideae, leguminosae) from southern south america and ecological and taxonomic relationships
title_short Karyotype studies in mimosa (mimosoideae, leguminosae) from southern south america and ecological and taxonomic relationships
title_full Karyotype studies in mimosa (mimosoideae, leguminosae) from southern south america and ecological and taxonomic relationships
title_fullStr Karyotype studies in mimosa (mimosoideae, leguminosae) from southern south america and ecological and taxonomic relationships
title_full_unstemmed Karyotype studies in mimosa (mimosoideae, leguminosae) from southern south america and ecological and taxonomic relationships
title_sort karyotype studies in mimosa (mimosoideae, leguminosae) from southern south america and ecological and taxonomic relationships
publishDate 2011
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00087114_v64_n2_p203_Matias
http://hdl.handle.net/20.500.12110/paper_00087114_v64_n2_p203_Matias
work_keys_str_mv AT wulffarturofederico karyotypestudiesinmimosamimosoideaeleguminosaefromsouthernsouthamericaandecologicalandtaxonomicrelationships
AT poggiolidia karyotypestudiesinmimosamimosoideaeleguminosaefromsouthernsouthamericaandecologicalandtaxonomicrelationships
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