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Plants
Special Issues
Diversity and Evolution in Lycophytes and Ferns
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Diversity and Evolution in Lycophytes and Ferns

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Systematics, Taxonomy, Nomenclature and Classification".

Deadline for manuscript submissions: 30 May 2024 | Viewed by 1688

Special Issue Editors

Dr. Yuehong Yan

E-Mail Website
Guest Editor
The Orchid Conservation & Research Center of Shenzhen, Shenzhen 518114, China
Interests: taxonomy, diversity and evolution in pteridophytes
Dr. Hongmei Liu

E-Mail Website
Guest Editor
Center for Integrative Conservation, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun 666303, China
Interests: plant taxonomy; molecular systematics; ferns; conservation

Special Issue Information

Dear Colleagues,

Ferns are the earliest vascular plants on land, with an evolutionary history of nearly 400 million years, and are an important group in the diversity of existing terrestrial plants. The numerous groups of existing ferns have unique evolutionary mechanisms and adaptive characteristics, which are of great significance for studying the diversity of existing terrestrial plants; however, there are still many important groups whose species classification is unclear, their geographical distribution patterns are unclear, and their adaptive evolution mechanisms are difficult to understand. Therefore, we plan to collect a series of targeted scientific research papers on the diversity, biogeography, phylogeny as well as classification, and adaptive evolution of ferns in order to provide new scientific perspectives on the oldest terrestrial vascular plant group on Earth.

Dr. Yuehong Yan
Dr. Hongmei Liu
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

  • pteridophytes
  • lycophytes
  • ferns
  • phylogeny
  • evolution
  • diversity
  • biogeography
  • taxonomy
  • genomics and phylogenomics

Published Papers (2 papers)

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Research

20 pages, 7366 KiB  
Article
Endophytic Fungal Diversity of Mangrove Ferns Acrostichum speciosum and A. aureum in China
by Hongjuan Zhu, Wending Zeng, Manman Chen, Dan He, Xialan Cheng, Jing Yu, Ya Liu, Yougen Wu and Dongmei Yang
Plants 2024, 13(5), 685; https://doi.org/10.3390/plants13050685 - 29 Feb 2024
Viewed by 659
Abstract
Microbial communities are an important component of mangrove ecosystems. In order to reveal the diversity of endophytic fungi in the mangrove ferns Acrostichum speciosum and A. aureum in China, the internal transcribed spacer (ITS) regions of endophytic fungi in four plant tissues (leaves, [...] Read more.
Microbial communities are an important component of mangrove ecosystems. In order to reveal the diversity of endophytic fungi in the mangrove ferns Acrostichum speciosum and A. aureum in China, the internal transcribed spacer (ITS) regions of endophytic fungi in four plant tissues (leaves, petioles, roots, and rhizomes) from three locations (Zhanjiang, Haikou, and Wenchang) were sequenced. The richness, species composition, and community similarity were analyzed. The main results are as follows: the dominant fungi in A. speciosum and A. aureum belonged to the phyla Ascomycota and Basidiomycota, accounting for more than 75% of the total identified fungi; in terms of species composition at the operational taxonomic unit (OTU) level, the endophytic fungi in A. aureum were more diverse than those in A. speciosum, and the endophytic fungi in rhizomes were more diverse than in other tissues. In Zhanjiang, both A. speciosum and A. aureum showed the richest diversity of endophytic fungi, both at the OTU classification level and in terms of species composition. Conversely, the richness of endophytic fungi in the samples of A. speciosum from Wenchang and Haikou is extremely low. The regional differences in dominant fungi increase with the degrading of taxonomic levels, and there were also significant differences in the number of unique fungi among different origins, with Zhanjiang samples having a larger number of unique fungi than the other locations. There were significant differences in the dominant fungi among different tissues, with Xylariales being the dominant fungi in rhizomes of A. speciosum and Hypocreales being the dominant fungi in the petioles, roots, and rhizomes of A. aureum. Overall, the community similarity of endophytic fungi among locations is moderately dissimilar (26–50%), while the similarity between tissues is moderately similar (51–75%). The low diversity of endophytic fungi could be one of the main reasons for the endangerment of A. speciosum. The protection of the diversity of endophytic fungi in the underground parts of A. speciosum is essential for the conservation of this critically endangered mangrove fern. Full article
(This article belongs to the Special Issue Diversity and Evolution in Lycophytes and Ferns)
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22 pages, 7333 KiB  
Article
Whole Genome Duplication Events Likely Contributed to the Aquatic Adaptive Evolution of Parkerioideae
by Meng Wang, Rui Zhang, Jiang-Ping Shu, Xi-Long Zheng, Xin-Yi Wu, Jian-Bing Chen, Mei-Na Wang, Hui Shen and Yue-Hong Yan
Plants 2024, 13(4), 521; https://doi.org/10.3390/plants13040521 - 14 Feb 2024
Viewed by 685
Abstract
As the only aquatic lineage of Pteridaceae, Parkerioideae is distinct from many xeric-adapted species of the family and consists of the freshwater Ceratopteris species and the only mangrove ferns from the genus Acrostichum. Previous studies have shown that whole genome duplication (WGD) [...] Read more.
As the only aquatic lineage of Pteridaceae, Parkerioideae is distinct from many xeric-adapted species of the family and consists of the freshwater Ceratopteris species and the only mangrove ferns from the genus Acrostichum. Previous studies have shown that whole genome duplication (WGD) has occurred in Parkerioideae at least once and may have played a role in their adaptive evolution; however, more in-depth research regarding this is still required. In this study, comparative and evolutionary transcriptomics analyses were carried out to identify WGDs and explore their roles in the environmental adaptation of Parkerioideae. Three putative WGD events were identified within Parkerioideae, two of which were specific to Ceratopteris and Acrostichum, respectively. The functional enrichment analysis indicated that the lineage-specific WGD events have played a role in the adaptation of Parkerioideae to the low oxygen concentrations of aquatic habitats, as well as different aquatic environments of Ceratopteris and Acrostichum, such as the adaptation of Ceratopteris to reduced light levels and the adaptation of Acrostichum to high salinity. Positive selection analysis further provided evidence that the putative WGD events may have facilitated the adaptation of Parkerioideae to changes in habitat. Moreover, the gene family analysis indicated that the plasma membrane H+-ATPase (AHA), vacuolar H+-ATPase (VHA), and suppressor of K+ transport growth defect 1 (SKD1) may have been involved in the high salinity adaptation of Acrostichum. Our study provides new insights into the evolution and adaptations of Parkerioideae in different aquatic environments. Full article
(This article belongs to the Special Issue Diversity and Evolution in Lycophytes and Ferns)
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