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Journals
Plants
Special Issues
Plant Phylogeography and Conservation Genetics
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Plant Phylogeography and Conservation Genetics

A special issue of Plants (ISSN 2223-7747).

Deadline for manuscript submissions: closed (15 September 2022) | Viewed by 1854

Special Issue Editors

Prof. Dr. Yu-Chung Chiang

E-Mail Website
Chief Guest Editor
Department of Biological Sciences, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
Interests: plant genetics; population genetics; molecular evolution; phylogeography; conservation genetics
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Junaldo A. Mantiquilla

E-Mail Website
Assistant Guest Editor
Department of Biological Sciences and Environmental Studies, College of Science and Mathematics, University of the Philippines Mindanao, Mintal, Davao City 8022, Philippines
Interests: population ecology; reproductive biology; conservation genetics; farming systems

Special Issue Information

Dear Colleagues,

Phylogeography is an integrative study that focuses on the historical processes between geographic distributions and genealogical lineage. Conservation genetics aims to understand the dynamics of genes in populations and decrease the risk of population or species extinctions. This Special Issue aims to serve as a platform to highlight new research on (1) understanding plant phylogeographical patterns and subsequent studies on microevolution and phylogeographical history based on molecular data; (2) evaluating the genetic influences that cause plant species rarity, endangerment, and extinction; and (3) developing the conservation strategy based on phylogeographical evidence and conservation genetics.

Prof. Dr. Yu-Chung Chiang
Prof. Dr. Junaldo A. Mantiquilla
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Plants is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • plant phylogeography
  • conservation genetics
  • phytogeography

Published Papers (1 paper)

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Research

13 pages, 14528 KiB  
Article
Molecular Assessment of Genetic Diversity and Genetic Structure of Rhanterium epapposum Oliv. in Scarce Populations in Some Regions of Western Saudi Arabia
by Hassan Mansour, Hameed Alsamadany and Zaki M. Al-Hasawi
Plants 2022, 11(12), 1560; https://doi.org/10.3390/plants11121560 - 13 Jun 2022
Cited by 1 | Viewed by 1382
Abstract
Rhanterium epapposum Oliv. is a perennial medicinal shrub growing mainly in desert habitats in the Arabian Peninsula. In western Saudi Arabia, the remaining few populations of this species are exposed to many threats, including overcutting, overgrazing, and recently, increasing human activities. These threats [...] Read more.
Rhanterium epapposum Oliv. is a perennial medicinal shrub growing mainly in desert habitats in the Arabian Peninsula. In western Saudi Arabia, the remaining few populations of this species are exposed to many threats, including overcutting, overgrazing, and recently, increasing human activities. These threats are predicted to be exacerbated by the advancement of aridification caused by climate change. The conservation and recovering of the diminished populations of R. epapposum necessitate measurement of their genetic diversity and genetic differentiation. To accomplish this objective, we tested 150 simple sequence repeat (SSR) primer pairs, with which 40 polymorphic loci were identified. These polymorphic loci were used to determine the population genetics of 540 plant accessions sampled from a total of 45 populations of R. epapposum located in 8 sites in western Saudi Arabia: Wadi Khurieba, Wadi Al Khamas, Gebel Al Twaal, Al Asaafer, Wadi ALHamda, Wadi Al Nassayeif, Wadi Qaraba, Wadi Kuliayah, and Wadi Dahban. Low levels of genetic diversity were found in all populations (the values of the PPL ranged between 52.5 and 15) along with a declined value of HT (0.123) and a considerable inbreeding value (F = 0.942), which confirmed a noticeable shortage of heterozygotes. High genetic differentiation among the populations and a low value of gene flow are indicative of high isolation among the R. epapposum populations, which has caused a severe deficiency in gene migration. The data obtained herein inspire several recommendations for conservation and retrieval of the existing populations, including seed banks, restoration of diminished populations, and monitoring and prevention of cutting and grazing activities at threatened sites. All of these measures are urgently required to avoid imminent extinction. Full article
(This article belongs to the Special Issue Plant Phylogeography and Conservation Genetics)
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