Patterns in Genetic Diversity in Plants: Informing Biodiversity Management

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Ecology".

Deadline for manuscript submissions: closed (31 January 2024) | Viewed by 2132

Special Issue Editors


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Guest Editor
Research Centre for Ecosystem Resilience, Australian Institute of Botanical Science, Royal Botanic Gardens Sydney, Sydney, NSW 2000, Australia
Interests: evolutionary ecology; diversity and diversification in flowering plants; landscape and population genomics;

E-Mail Website
Guest Editor
Research Centre for Ecosystem Resilience, Australian Institute of Botanical Science, Royal Botanic Gardens Sydney, Sydney NSW 2000, Australia
Interests: evolutionary ecology, rainforest biogeography, conservation genomics;

Special Issue Information

Dear Colleagues,

It is now common practice to gather genetic data from wild, non-model plants on increasingly large scales (both genomic and geographic), for a broad range of investigative themes in ecology and evolution. Studies across a variety of disciplines share the common objective of characterising how genetic diversity varies across the landscape and exploring the processes that shape these patterns among populations and species.

Addressing important basic questions in ecology and evolution yields clear implications for ongoing efforts to protect biodiversity in the Anthropocene. Fundamental insights into the patterns and processes influencing population persistence (e.g., demographics, biotic interactions, and local adaptation) should be directly relevant to improving strategies for setting and achieving meaningful management goals, from conserving and restoring species and communities, to controlling biological invasions.

While the practical implications of basic studies in ecology and evolution are often alluded to, we invite submissions to this issue to explicitly consider how the reported findings can be applied. In this way, we aim to catalyse the translation of a wealth of high-quality landscape genomic datasets into improved on-the-ground outcomes in biodiversity management. Both original research articles (including short communications) and review articles are welcome, on any topic relevant to the issue’s scope.

Dr. Patricia Lu-Irving
Dr. Jia-Yee Samantha Yap
Guest Editors

Manuscript Submission Information

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Keywords

  • evolutionary ecology
  • conservation genetics
  • ecological genetics
  • landscape genetics
  • restoration ecology
  • invasive species

Published Papers (1 paper)

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Research

16 pages, 7623 KiB  
Article
Capturing Genetic Diversity in Seed Collections: An Empirical Study of Two Congeners with Contrasting Mating Systems
by Patricia Lu-Irving, Jason G. Bragg, Maurizio Rossetto, Kit King, Mitchell O’Brien and Marlien M. van der Merwe
Plants 2023, 12(3), 522; https://doi.org/10.3390/plants12030522 - 23 Jan 2023
Cited by 4 | Viewed by 1694
Abstract
Plant mating systems shape patterns of genetic diversity and impact the long-term success of populations. As such, they are relevant to the design of seed collections aiming to maximise genetic diversity (e.g., germplasm conservation, ecological restoration). However, for most species, little is known [...] Read more.
Plant mating systems shape patterns of genetic diversity and impact the long-term success of populations. As such, they are relevant to the design of seed collections aiming to maximise genetic diversity (e.g., germplasm conservation, ecological restoration). However, for most species, little is known empirically about how variation in mating systems and genetic diversity is distributed. We investigated the relationship between genetic diversity and mating systems in two functionally similar, co-occurring species of Hakea (Proteaceae), and evaluated the extent to which genetic diversity was captured in seeds. We genotyped hundreds of seedlings and mother plants via DArTseq, and developed novel implementations of two approaches to inferring the mating system from SNP data. A striking contrast in patterns of genetic diversity between H. sericea and H. teretifolia was revealed, consistent with a contrast in their mating systems. While both species had mixed mating systems, H. sericea was found to be habitually selfing, while H. teretifolia more evenly employed both selfing and outcrossing. In both species, seed collection schemes maximised genetic diversity by increasing the number of maternal lines and sites sampled, but twice as many sites were needed for the selfing species to capture equivalent levels of genetic variation at a regional scale. Full article
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