Genetic Diversity and Phylogeography of Plants under Climate Change

A special issue of Diversity (ISSN 1424-2818). This special issue belongs to the section "Biodiversity Conservation".

Deadline for manuscript submissions: closed (15 August 2022) | Viewed by 3556

Special Issue Editors


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Guest Editor
Institute of General and Experimental Biology, Siberian Branch, Russian Academy of Sciences, 670047 Ulan-Ude, Russia
Interests: climate change; species diversity and phylogeny; genetic diversity; phylogeography; plant ecology and conservation

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Guest Editor
College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
Interests: macroecology; species diversity; biodiversity conservation; phylogeny; climate change biology

Special Issue Information

Dear Colleagues,

Throughout their evolutionary history, plants have had to cope with changing climates or other environmental changes. Genetic diversity provides the basis for evolution and its loss under climate change in some cases becomes significant. On the other hand, evolutionary adaption can increase the possibility of the adjustment of a plant’s genetic structure, and thus allow species to reduce the climate change adaptation lag. Past distribution patterns are often reflected in current species phylogenies and can be associated with divergent environmental conditions. Previous studies have indicated that severe climate fluctuations since the Quaternary have influenced patterns of genetic diversity. A crucial question is how genetic diversity can be integrated into studies that aim to predict plant species’ responses to future climate scenarios. In this direction, it is important to consider the phylogeography of species. Studies on the phylogeny and geographic patterns of genetic diversity can reveal insights into the formation and evolution of plant species in different regions and their relationships with environmental conditions. This Special Issue aims to combine a wide spectrum of studies related to the diversity of plants within a changing climate on a genetic level, combined with their phylogeographic structure.

Dr. Denis Sandanov
Dr. Zhiheng Wang
Guest Editors

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Keywords

  • genetic diversity
  • genetic adaptation
  • phylogeography
  • evolution
  • plant distribution patterns
  • climate change
  • effects of global warming

Published Papers (2 papers)

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Research

20 pages, 3071 KiB  
Article
Genetic Diversity of Oxytropis Species from the Center of the Genus Origin: Insight from Molecular Studies
by Denis V. Sandanov, Alla B. Kholina, Marina M. Kozyrenko, Elena V. Artyukova and Zhiheng Wang
Diversity 2023, 15(2), 244; https://0-doi-org.brum.beds.ac.uk/10.3390/d15020244 - 09 Feb 2023
Cited by 1 | Viewed by 1363
Abstract
The genus Oxytropis (Fabaceae) was formed from the ancient species of Astragalus presumably approximately 5.6 Ma ago in Southern Siberia. Our study summarized data on the genetic diversity of 69 populations of 31 Oxytropis species in the center of origin of the genus [...] Read more.
The genus Oxytropis (Fabaceae) was formed from the ancient species of Astragalus presumably approximately 5.6 Ma ago in Southern Siberia. Our study summarized data on the genetic diversity of 69 populations of 31 Oxytropis species in the center of origin of the genus based on the sequencing of plastid genome markers. Most of the populations (82.6%) are characterized by high gene diversity (0.600–1.000), which indicates a relatively stable state. Phylogenetic relationships between most Oxytropis species remain unresolved. Three genetic complexes and four phyletic lineages have been identified. Some species form weakly differentiated complexes, which is probably caused by their relatively recent divergence and the demography processes, as well as interspecific hybridization and polyploidy characteristic of Oxytropis species. Full article
(This article belongs to the Special Issue Genetic Diversity and Phylogeography of Plants under Climate Change)
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19 pages, 2598 KiB  
Article
Eranthis Salisb. (Ranunculaceae) in South Siberia: Insights into Phylogeography and Taxonomy
by Marina V. Protopopova and Vasiliy V. Pavlichenko
Diversity 2022, 14(10), 779; https://0-doi-org.brum.beds.ac.uk/10.3390/d14100779 - 20 Sep 2022
Cited by 3 | Viewed by 1560
Abstract
Eranthis Salisb. (Ranunculaceae) is a herbaceous plant genus, including few species disjunctively distributed throughout the temperate zone from Southeastern Europe to Eastern Asia. Until recently, only Eranthis sibirica DC. was known in South Siberia, being considered endemic and tertiary relict. Not long ago, [...] Read more.
Eranthis Salisb. (Ranunculaceae) is a herbaceous plant genus, including few species disjunctively distributed throughout the temperate zone from Southeastern Europe to Eastern Asia. Until recently, only Eranthis sibirica DC. was known in South Siberia, being considered endemic and tertiary relict. Not long ago, Eranthis tanhoensis Erst was also described in Siberia. We report here a reconstruction of the phylogenetic relationships between the Siberian Eranthis species based on nuclear (ITS) and plastid (trnL + trnL-trnF + trnH-psbA) DNA. The phylogeographic structure of Siberian Eranthis is distinguished by the presence of the two “eastern” and “western” supergroups, which most likely formed as a result of disjunction caused by active mountain uplifts during the late Neogene–early Quaternary and subsequent progressive Pleistocene cooling. The eastern supergroup combines lineage I, containing populations from the eastern Khamar-Daban Ridge, the Eastern Sayan Mountains, and the Tannu-Ola Ridge, and lineage II containing western Khamar-Daban populations. The western supergroup includes only lineage III, containing Western Sayan populations. Our data clearly show that E. tanhoensis is nested in the E. sibirica clade, thereby indicating that its description as a separate species is unjustified, as it compromises the monophyletic status of E. sibirica. Therefore, we suggest here to consider E. tanhoensis as a synonym of E. sibirica. Full article
(This article belongs to the Special Issue Genetic Diversity and Phylogeography of Plants under Climate Change)
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