Comparative cytogenetics of four endemic Capoeta (Teleostei: Cyprinidae) species from Anatolia, Türkiye

IF 2.1 4区 生物学 Q2 Agricultural and Biological Sciences
Sevgi Unal-Karakus, Muhammet Gaffaroglu, Muradiye Karasu-Ayata
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引用次数: 0

Abstract

The genus Capoeta is an important taxon covering a wide distribution in Türkiye. However, only a few genetic studies on Capoeta species reported from Türkiye. There is no cytogenetical study in Capoeta aydinensis Turan, Küçük, Kaya, Güçlü & Bektaş, 2017, Capoeta bergamae Karaman, 1969, Capoeta erhani Turan, Kottelat & Ekmekçi, 2008 and Capoeta pestai (Pietschmann, 1933). Thus, in this study, we karyotyped through classical cytogenetic techniques (Giemsa staining, Ag-NORs, and C-banding) the four endemic Capoeta species. The diploid chromosome number invariably was 150 in the four species. However, chromosome morphologies in the karyotypes had some differences between them. The number of biarmed chromosomes in the karyotypes was higher in all studied species. Their karyotypes contained respectively: 54 metacentric, 42 submetacentric and 54 subtelo-acrocentric in C. aydinensis, 56 metacentric, 30 submetacentric and 64 subtelo-acrocentric in C. bergamae, 50 metacentric, 42 submetacentric and 58 subtelo-acrocentric in C. erhani and 44 metacentric, 40 submetacentric and 66 subtelo-acrocentric chromosomes in C. pestai. C-bands were on the pericentromeres of most chromosomes in the four species. Three chromosome pairs carry rDNA genes in all studied species. The chromosomal locations of these sites were varied between the species. This study provides new insights into the chromosomal data of the hexaploid cyprinids. Moreover, obtained cytogenetic results should be conclude the cytotaxonomy of the genus Capoeta that distributed in Türkiye.
安那托利亚四种地方性鲤科鲤科鲤科的细胞遗传学比较
卡波塔属是我国一个重要的分类单元,分布广泛。然而,目前仅有少数文献报道了来自台湾的卡波塔属植物的遗传研究。Capoeta aydinensis Turan, k k, Kaya, Güçlü &bektau, 2017; Capoeta bergamae Karaman, 1969; Capoeta erhani Turan, Kottelat &ekmeki, 2008和Capoeta pestai (Pietschmann, 1933)。因此,在这项研究中,我们通过经典的细胞遗传学技术(吉姆萨染色,Ag-NORs和c -带)对四个特有的卡波塔物种进行了核型分析。四种植物的二倍体染色体数目均为150。然而,染色体形态在核型上存在一定差异。核型中双臂染色体的数量在所有研究物种中都较高。它们的核型分别为:艾丁木54条稳中心、42条亚稳中心和54条亚远端中心,佛手花56条稳中心、30条亚稳中心和64条亚远端中心,埃尔哈尼木50条稳中心、42条亚稳中心和58条亚远端中心,巴氏木44条稳中心、40条亚稳中心和66条亚远端中心。四种植物的大部分染色体的中心粒上都有c带。在所有被研究的物种中,有三对染色体携带rDNA基因。这些位点的染色体位置在不同物种之间是不同的。本研究为六倍体鲤的染色体数据提供了新的见解。此外,所获得的细胞遗传学结果可为分布于台湾的卡波塔属植物的细胞分类提供依据。
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来源期刊
Caryologia
Caryologia 生物-遗传学
CiteScore
1.60
自引率
23.80%
发文量
26
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.
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