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Karyotype characteristics, chromosomal polymorphism and gene COI sequences of Chironomus heteropilicornis Wülker, 1996 (Diptera, Chironomidae) from the South Caucasus.
Comparative Cytogenetics ( IF 1.0 ) Pub Date : 2019-11-15 , DOI: 10.3897/compcytogen.v13i4.35572
Mukhamed Kh Karmokov 1
Affiliation  

The study presents data on the karyotype characteristics, features of chromosomal polymorphism and the gene COI sequences of Chironomus heteropilicornis Wülker, 1996 (Diptera, Chironomidae) from the South Caucasus. We found 8 banding sequences in the Caucasian population. Overall, The Caucasian population of the species can be characterized as having a low level of polymorphism. We found one new banding sequence hpiA2 in the banding sequence pool of Ch. heteropilicornis. We observed inversion polymorphism only in the arm F. The dendrogram of genetic distances by Nei criteria (1972) shows a clear separation of the Caucasian population from populations of Siberia. At the same time, the distance between populations of Siberia and the population of South Caucasus (0.379-0.445) almost reach the mean distance (0.474 ± 0.314) between subspecies (Gunderina 2001). Due to this, we can assume that the population of South Caucasus separated from Siberian populations at the level of subspecies. Constructed on data for COI gene sequences the phylogenetic tree estimated by the Bayesian inference shows that the sequences of Ch. heteropilicornis from the South Caucasus form a separate line in the general branch of Ch. heteropilicornis sequences. At the same time, calculated K2P genetic distances between Ch. heteropilicornis sequences from Norway and Caucasus (2.0-2.2%) do not exceed the 3% threshold for the genus Chironomus.

中文翻译:

南高加索地区Chironomus heteropilicornisWülker,1996(Diptera,Chironomidae)的核型特征,染色体多态性和基因COI序列。

该研究提供了南高加索地区Chironomus heteropilicornisWülker,1996年(Diptera,Chironomidae)的核型特征,染色体多态性特征和基因COI序列的数据。我们在高加索人群中发现了8条带状序列。总体而言,该物种的高加索种群可被表征为具有低水平的多态性。我们在Ch的带状序列库中发现了一个新的带状序列hpiA2。异毛虫。我们仅在F臂上观察到了倒位多态性。根据Nei标准(1972年),遗传距离的树状图显示了高加索人口与西伯利亚人口的明显分离。同时,西伯利亚人口与南高加索人口之间的距离(0.379-0.445)几乎达到了平均距离(0.474±0)。314)(亚纲之间)(Gunderina 2001)。因此,我们可以假设南高加索地区的人口与西伯利亚地区的人口在亚种水平上是分离的。根据COI基因序列的数据构建,通过贝叶斯推断估计的系统进化树显示Ch。的序列。南高加索地区的异毛ic在Ch。的一般分支中形成单独的系。异菌毛序列。同时,计算Ch之间的K2P遗传距离。来自挪威和高加索地区的异菌毛序列(2.0-2.2%)未超过Chironomus属的3%阈值。根据COI基因序列的数据构建,通过贝叶斯推断估计的系统进化树显示Ch。的序列。南高加索地区的异毛ic在Ch。的一般分支中形成单独的系。异菌毛序列。同时,计算Ch之间的K2P遗传距离。来自挪威和高加索地区的异菌毛序列(2.0-2.2%)未超过Chironomus属的3%阈值。根据COI基因序列的数据构建,通过贝叶斯推断估计的系统进化树显示Ch。的序列。南高加索地区的异毛ic在Ch。的一般分支中形成单独的系。异菌毛序列。同时,计算Ch之间的K2P遗传距离。来自挪威和高加索地区的异菌毛序列(2.0-2.2%)未超过Chironomus属的3%阈值。
更新日期:2019-11-01
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