New chromosomal data, karyotype asymmetry and polyploid variations of some Gundelia (Asteraceae) species from Turkey

IF 2.1 4区生物学 Q2 Agricultural and Biological Sciences Caryologia Pub Date : 2023-09-19 DOI:10.36253/caryologia-2103

Esra Martin, Metin Armağan, Halil Erhan Eroğlu, Aslı Doğru-Koca, Osman Tugay, Golshan Zare, Osman Kola, Mahmut Miski, Nur Tan, Ernst Vitek

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Abstract

The genus Gundelia is currently represented with 18 species, of which 16 are in Turkey. In genus Gundelia, the chromosomal data were reported from 12 species. In the present study, it is aimed to eliminate the deficiencies in the knowledge about chromosomal data of Gundelia species. In Genus Gundelia, only a single chromosome number had been detected as 2n=18 so far. The chromosome numbers of four species were reported here for the first time: G. armeniaca, G. cappadocica, G. siirtica, and G. tehranica. In addition, the polyploidy in the genus was rare and G. anatolica was identified as the first polyploid species. All karyotypes except G. tehranica were symmetrical, consisting of metacentric and submetacentric chromosomes. Secondary constrictions were observed in the distal regions of the long arms of the longest metacentric and submetacentric chromosomes. Thus, the chromosomal data of all Turkish Gundelia species were completed. In conclusion, the present study presented new data into the karyological records relating the karyotype evolution and interspecific relations of genus Gundelia.

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土耳其一些菊科植物的染色体新资料、核型不对称及多倍体变异

Gundelia属目前有18种，其中16种在土耳其。在Gundelia属中，报告了12种的染色体数据。在本研究中，旨在消除对冈德利亚种染色体数据认识的不足。在Gundelia属中，迄今只检测到一条染色体数目为2n=18。本文首次报道了亚美尼亚藜、卡帕多西藜、siirtica和德黑兰藜的染色体数目。此外，该属的多倍体是罕见的，安纳托利卡是第一个多倍体物种。除特拉尼加外，其余核型均为对称型，由常着丝和亚常着丝染色体组成。在最长的稳中心和亚稳中心染色体长臂的远端区域观察到次生缩窄。至此，完成了所有土耳其冈德利亚种属的染色体资料。总之，本研究为冈德兰属核型进化和种间关系的核学记录提供了新的资料。

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来源期刊

Caryologia 生物-遗传学

CiteScore

1.60

自引率

23.80%

发文量

审稿时长

12 months

期刊介绍： Caryologia is devoted to the publication of original papers, and occasionally of reviews, about plant, animal and human karyological, cytological, cytogenetic, embryological and ultrastructural studies. Articles about the structure, the organization and the biological events relating to DNA and chromatin organization in eukaryotic cells are considered. Caryologia has a strong tradition in plant and animal cytosystematics and in cytotoxicology. Bioinformatics articles may be considered, but only if they have an emphasis on the relationship between the nucleus and cytoplasm and/or the structural organization of the eukaryotic cell.