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巴西东北部一些鸢尾科植物的染色体特征和变异性。

Chromosome characterization and variability in some Iridaceae from Northeastern Brazil.

机构信息

Laboratório de Citogenética Vegetal, Setor de Botânica, Departamento de Ciências Biológicas, Universidade Federal da Paraíba, Areia, PB, Brazil.

出版信息

Genet Mol Biol. 2011 Apr;34(2):259-67. doi: 10.1590/s1415-47572011000200016. Epub 2011 Apr 1.

DOI:10.1590/s1415-47572011000200016
PMID:21734827
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3115320/
Abstract

The chromosomes of 15 species of Iridaceae of the genera Alophia, Cipura, Eleutherine, Neomarica and Trimezia (subfamily Iridoideae) were examined after conventional Giemsa staining. The karyotypes of Alophia drummondii (2n = 14+1B, 28, 42 and 56), Cipura paludosa (2n = 14), C. xanthomelas (2n = 28) and Eleutherine bulbosa (2n = 12) were asymmetric; Neomarica candida, N. caerulea, N. humilis, N. glauca, N. gracilis, N. northiana and Neomarica sp. (2n = 18); N. cf. paradoxa (2n = 28), Trimezia fosteriana (2n = 52), T. martinicensis (2n = 54) and T. connata (2n = 82) were all generally symmetric. New diploid numbers of 2n = 56 for Alophia drummondii, 2n = 18 for N. candida, N. humilis, N. glauca, and N. gracilis, 2n = 28 for N. cf. paradoxa, and 2n = 82 for T. connata are reported. The karyotypic evolution of the studied species is discussed.

摘要

经常规 Giemsa 染色后，对 15 种鸢尾科（鸢尾亚科）属的 Alophia、Cipura、Eleutherine、Neomarica 和 Trimezia 物种的染色体进行了检查。Alophia drummondii（2n = 14+1B，28，42 和 56）、Cipura paludosa（2n = 14）、C. xanthomelas（2n = 28）和 Eleutherine bulbosa（2n = 12）的核型为不对称；Neomarica candida、N. caerulea、N. humilis、N. glauca、N. gracilis、N. northiana 和 Neomarica sp.（2n = 18）；N. cf. paradoxa（2n = 28）、Trimezia fosteriana（2n = 52）、T. martinicensis（2n = 54）和 T. connata（2n = 82）均为一般对称。Alophia drummondii 的二倍体新核型数为 2n = 56，N. candida、N. humilis、N. glauca 和 N. gracilis 的二倍体新核型数为 2n = 18，N. cf. paradoxa 的二倍体新核型数为 2n = 28，T. connata 的二倍体新核型数为 2n = 82。讨论了所研究物种的核型进化。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fcf6/3115320/eebcc39da049/gmb-34-2-259-gfig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fcf6/3115320/cd7d8976e1ec/gmb-34-2-259-gfig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fcf6/3115320/62c1c6034337/gmb-34-2-259-gfig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fcf6/3115320/06e2e5fe4df4/gmb-34-2-259-gfig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fcf6/3115320/eebcc39da049/gmb-34-2-259-gfig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fcf6/3115320/cd7d8976e1ec/gmb-34-2-259-gfig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fcf6/3115320/62c1c6034337/gmb-34-2-259-gfig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fcf6/3115320/06e2e5fe4df4/gmb-34-2-259-gfig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fcf6/3115320/eebcc39da049/gmb-34-2-259-gfig4.jpg

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