Изменчивость хлоропластной ДНК видов
 
 Oxytropis
 
 секции
 
 Polyadena
 
 (Fabaceae) Азиатской России: популяционный анализ и филогенетические связи

Kholina, A. B.; Козыренко, М. М.; Артюкова, Е. В.; Позднякова, Т. Э.

doi:10.31857/s0002332921010070

Изв. РАН. Сер. биол.

2021

DOI: 10.31857/s0002332921010070

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Изменчивость хлоропластной ДНК видов Oxytropis секции Polyadena (Fabaceae) Азиатской России: популяционный анализ и филогенетические связи

A. B. Kholina¹,

М. М. Козыренко²,

Е. В. Артюкова³

et al.

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Taxonomic diversity of the genus Oxytropis section Polyadena (Fabaceae) in Baikal Siberia

Чимитов

2022

Novitates Systematicae Plantarum Vascularium

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A taxonomic composition of the genus Oxytropis DC. section Polyadena Bunge (Fabaceae Lindl.) in Baikal Siberia was critically analysed. The «forgotten» species O. bargusinica Korotky was separated from O. glandulosa Turcz. and reinstated as a distinct one. An endemic of the Barguzinsky Ridge, O. interposita Sipl. previously considered in the section Verticillares DC., is transferred to the section Polyadena; its new variety O. interposita var. lilacina Chimitov is described. The taxonomic status of O. stukowii Palib. and O. varlakovii Serg., both described from Eastern Transbaikalia, has been revised. Both are proposed to be treated as subspecies within more widespread O. microphylla (Pall.) DC. and O. muricata (Pall.) DC., respectively. The names O. bargusinica, O. varlakovii (lectotype II), O. glandulosa, and O. stukowii are typified (the lectotypes of the latter two are designated here by V. V. Byalt). As a result, 7 taxa of specific and subspecific rank in the section Polyadena are distinguished in the flora of the Baikal Siberia.

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Taxonomic diversity of the genus Oxytropis section Polyadena (Fabaceae) in Baikal Siberia

Чимитов

2022

Novitates Systematicae Plantarum Vascularium

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The evolutionary pathways of Oxytropis species of the section Verticillares at the center of the section origin

Kholina,

Artyukova,

Sandanov

2024

Genetika

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Genetic diversity and phylogenetic relationships of Oxytropis species from the section Verticillares were studied based on nucleotide polymorphism of cpDNA intergenic spacers psbA-trnH, trnL-trnF, and trnS-trnG at the center of the section origin (Baikal Siberia and adjacent territories of South Siberia, Mongolia, and China). Moreover, at the first time the reconstruction of phylogenetic relationships of species from section Verticillares based on the analysis of ITS nrDNA has been performed. The paper summarizes new samples and new data for unstudied species and populations. 84.4% populations of 11 species are characterized by a high level of chloroplast haplotype diversity (h varies from 0.700 to 1.000). The majority of populations (71.9%) have high haplotype diversity with low nucleotide diversity. Three haplogroups revealed in the genealogical network of chlorotypes indicate that there are different evolutionary pathways of the species included in these groups: divergence of genetically isolated taxa in the zone of sympatry presumably on the base of ecological specialization; incomplete lineage sorting with preserving of ancestral polymorphism in combination with hybridization of weakly diversified taxa; allopatric divergence and polyploidization. Analysis of markers of chloroplast and nuclear genomes testify the rapid adaptive radiation of Oxytropis section Verticillares.

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Genetic Divergence of Closely Related Species Oxytropis strobilacea, Oxytropis adamsiana and Oxytropis vassilczenkoi (Series Strobilacei of the Section Orobia Fabaceae) from Asian Russia

Kholina,

Artyukova,

Yakubov

et al. 2023

Izvestiâ Akademii nauk. Rossijskaâ akademiâ nauk. Seriâ biologi

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The genetic diversity and divergence of closely related species Oxytropis strobilacea, O. adamsiana, and O. vassilczenkoi series Strobilacei of the section Orobia (Fabaceae) from Asian Russia were studied using the data of nucleotide polymorphism of the psbA–trnH, trnL–trnF, and trnS–trnG intergenic spacers of cpDNA, as well as the ITS nrDNA. Most populations are characterized by an average and high level of chloroplast genetic diversity (h varies from 0.600 to 1.000). 65 chlorotypes were identified, no shared chlorotypes were found in taxa, and that confirms the status of O. vassilczenkoi as a separate species. Two phyletic lineages were found for O. strobilacea that indicates an intensively proceeding diversification process. Among the seven identified ITS ribotypes, one ribotype was shared for all three species, probably, due to their common origin and relatively recent divergence.

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Изменчивость хлоропластной ДНК видов Oxytropis секции Polyadena (Fabaceae) Азиатской России: популяционный анализ и филогенетические связи

Cited by 3 publications

References 0 publications

Taxonomic diversity of the genus Oxytropis section Polyadena (Fabaceae) in Baikal Siberia

Taxonomic diversity of the genus Oxytropis section Polyadena (Fabaceae) in Baikal Siberia

The evolutionary pathways of <i>Oxytropis</i> species of the section <i>Verticillares</i> at the center of the section origin

Genetic Divergence of Closely Related Species <i>Oxytropis strobilacea</i>, <i>Oxytropis adamsiana </i>and<i> Oxytropis vassilczenkoi</i> (Series <i>Strobilacei</i> of the Section <i>Orobia</i> Fabaceae) from Asian Russia

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