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Gil da Costa RM, Povey A, Medeiros-Fonseca B, Ramwell C, O'Driscoll C, Williams D, Hansen HCB, Rasmussen LH, Fletcher MT, O'Connor P, Bradshaw RHW, Robinson R, Mason J. Sixty years of research on bracken fern (Pteridium spp.) toxins: Environmental exposure, health risks and recommendations for bracken fern control. ENVIRONMENTAL RESEARCH 2024; 257:119274. [PMID: 38821456 DOI: 10.1016/j.envres.2024.119274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2024] [Revised: 05/07/2024] [Accepted: 05/28/2024] [Indexed: 06/02/2024]
Abstract
Bracken fern (Pteridium spp.) is a highly problematic plant worldwide due to its toxicity in combination with invasive properties on former farmland, in deforested areas and on disturbed natural habitats. The carcinogenic potential of bracken ferns has caused scientific and public concern for six decades. Its genotoxic effects are linked to illudane-type glycosides (ITGs), their aglycons and derivatives. Ptaquiloside is considered the dominating ITG, but with significant contributions from other ITGs. The present review aims to compile evidence regarding environmental pollution by bracken fern ITGs, in the context of their human and animal health implications. The ITG content in bracken fern exhibits substantial spatial, temporal, and chemotaxonomic variation. Consumption of bracken fern as food is linked to human gastric cancer but also causes urinary bladder cancers in bovines browsing on bracken. Genotoxic metabolites are found in milk and meat from bracken fed animals. ITG exposure may also take place via contaminated water with recent data pointing to concentrations at microgram/L-level following rain events. Airborne ITG-exposure from spores and dust has also been documented. ITGs may synergize with major biological and environmental carcinogens like papillomaviruses and Helicobacter pylori to induce cancer, revealing novel instances of chemical and biological co-carcinogenesis. Thus, the emerging landscape from six decades of bracken research points towards a global environmental problem with increasingly complex health implications.
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Affiliation(s)
- Rui M Gil da Costa
- Department od Morphology, Federal University of Maranhão (UFMA), São Luís, 65080-805, Brazil; Laboratory for Process Engineering, Environment, Biotechnology and Energy (LEPABE), Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465, Porto, Portugal; Associate Laboratory in Chemical Engineering (ALiCE), Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465, Porto, Portugal; Molecular Oncology and Viral Pathology Group, Research Center of IPO Porto (CI-IPOP) / RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto) / Porto Comprehensive Cancer Center (Porto.CCC), 4200-072, Porto, Portugal; Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production (Inov4Agro), 5001-801, Vila Real, Portugal.
| | - Andrew Povey
- Centre for Occupational and Environmental Health, School of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, M13 9PL, UK
| | - Beatriz Medeiros-Fonseca
- Molecular Oncology and Viral Pathology Group, Research Center of IPO Porto (CI-IPOP) / RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto) / Porto Comprehensive Cancer Center (Porto.CCC), 4200-072, Porto, Portugal; Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production (Inov4Agro), 5001-801, Vila Real, Portugal
| | - Carmel Ramwell
- Fera Science Ltd, York Biotech Campus, Sand Hutton, York, YO41 1LZ, UK
| | - Connie O'Driscoll
- Ryan Hanley Consulting Engineers Ltd., 1 Galway Business Park, Dangan, Galway, H91 A3EF, Ireland
| | - David Williams
- Centre for Chemical Biology, Department of Chemistry, Sheffield Institute for Nucleic Acids, University of Sheffield, Sheffield, S3 7HF, UK
| | - Hans Chr B Hansen
- University of Copenhagen, Department of Plant and Environmental Sciences, Thorvaldsensvej 40, DK-1871, Frederiksberg C, Denmark
| | - Lars Holm Rasmussen
- Novonesis, Microbe & Culture Research, Bøge Allé 10-12, DK- 2970, Hørsholm, Denmark
| | - Mary T Fletcher
- Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Health, and Food Science Precinct, 39 Kessels Road, Coopers Plains, QLD, 4108, Australia
| | - Peter O'Connor
- Centre for Occupational and Environmental Health, School of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, M13 9PL, UK
| | - Richard H W Bradshaw
- Department of Geography and Planning, School of Environmental Sciences, University of Liverpool, L69 7ZT, UK
| | | | - James Mason
- School of Biochemistry and Immunology, Trinity College Dublin, Ireland
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Luo JJ, Shang H, Xue ZQ, Wang Y, Dai XL, Shen H, Yan YH. Genome-wide data reveal bi-direction and asymmetrical hybridization origin of a fern species Microlepia matthewii. FRONTIERS IN PLANT SCIENCE 2024; 15:1392990. [PMID: 39040506 PMCID: PMC11260791 DOI: 10.3389/fpls.2024.1392990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 06/20/2024] [Indexed: 07/24/2024]
Abstract
Introduction Natural hybridization is common and plays a crucial role in driving biodiversity in nature. Despite its significance, the understanding of hybridization in ferns remains inadequate. Therefore, it is imperative to study fern hybridization to gain a more comprehensive understanding of fern biodiversity. Our study delves into the role of hybridization in shaping fern species, employing Microlepia matthewii as a case study to investigate its origins of hybridization. Methods We performed double digest Genotyping-by-sequencing (dd-GBS) on M. matthewii and its potential parent species, identifying nuclear and chloroplast SNPs. Initially, nuclear SNPs were employed to construct the three cluster analysis: phylogenetic tree, principal component analysis, and population structure analysis. Subsequently, to confirm whether the observed genetic mixture pattern resulted from hybridization, we utilized two methods: ABBA-BABA statistical values in the D-suite program and gene frequency covariance in the Treemix software to detect gene flow. Finally, we employed chloroplast SNPs to construct a phylogenetic tree, tracing the maternal origin. Results and discussion The analysis of the nuclear SNP cluster revealed that M. matthewii possesses a genetic composition that is a combination of M. hancei and M. calvescens. Furthermore, the analysis provided strong evidence of significant gene flow signatures from the parental species to the hybrid, as indicated by the two gene flow analyses. The samples of M. matthewii cluster separately with M. hancei or M. calvescens on the chloroplast systematic tree. However, the parentage ratio significantly differs from 1:1, suggesting that M. matthewii is a bidirectional and asymmetrical hybrid offspring of M. hancei and M. calvescens.
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Affiliation(s)
- Jun-Jie Luo
- Eastern China Conservation Centre for Wild Endangered Plant Resources, Shanghai Chenshan Botanical Garden, Shanghai, China
- College of Life Sciences, Shanghai Normal University, Shanghai, China
- Middle School Department, Songjiang Experimental School Affiliated To Shanghai University of International Business and Economics (SUIBE), Shanghai, China
| | - Hui Shang
- Eastern China Conservation Centre for Wild Endangered Plant Resources, Shanghai Chenshan Botanical Garden, Shanghai, China
| | - Zhi-Qing Xue
- Eastern China Conservation Centre for Wild Endangered Plant Resources, Shanghai Chenshan Botanical Garden, Shanghai, China
| | - Ying Wang
- Eastern China Conservation Centre for Wild Endangered Plant Resources, Shanghai Chenshan Botanical Garden, Shanghai, China
- College of Life Sciences, Shanghai Normal University, Shanghai, China
| | - Xi-Ling Dai
- College of Life Sciences, Shanghai Normal University, Shanghai, China
| | - Hui Shen
- Eastern China Conservation Centre for Wild Endangered Plant Resources, Shanghai Chenshan Botanical Garden, Shanghai, China
- Shanghai Chenshan Science Research Center, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Yue-Hong Yan
- Eastern China Conservation Centre for Wild Endangered Plant Resources, Shanghai Chenshan Botanical Garden, Shanghai, China
- Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization, The National Orchid Conservation& Research Center of Shenzhen, Shenzhen, Guangdong, China
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Wang T, Li TZ, Chen SS, Yang T, Shu JP, Mu YN, Wang KL, Chen JB, Xiang JY, Yan YH. Untying the Gordian knot of plastid phylogenomic conflict: A case from ferns. FRONTIERS IN PLANT SCIENCE 2022; 13:918155. [PMID: 36507421 PMCID: PMC9730426 DOI: 10.3389/fpls.2022.918155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 10/11/2022] [Indexed: 06/17/2023]
Abstract
Phylogenomic studies based on plastid genome have resolved recalcitrant relationships among various plants, yet the phylogeny of Dennstaedtiaceae at the level of family and genera remains unresolved due to conflicting plastid genes, limited molecular data and incomplete taxon sampling of previous studies. The present study generated 30 new plastid genomes of Dennstaedtiaceae (9 genera, 29 species), which were combined with 42 publicly available plastid genomes (including 24 families, 27 genera, 42 species) to explore the evolution of Dennstaedtiaceae. In order to minimize the impact of systematic errors on the resolution of phylogenetic inference, we applied six strategies to generate 30 datasets based on CDS, intergenic spacers, and whole plastome, and two tree inference methods (maximum-likelihood, ML; and multispecies coalescent, MSC) to comprehensively analyze the plastome-scale data. Besides, the phylogenetic signal among all loci was quantified for controversial nodes using ML framework, and different topologies hypotheses among all datasets were tested. The species trees based on different datasets and methods revealed obvious conflicts at the base of the polypody ferns. The topology of the "CDS-codon-align-rm3" (CDS with the removal of the third codon) matrix was selected as the primary reference or summary tree. The final phylogenetic tree supported Dennstaedtiaceae as the sister group to eupolypods, and Dennstaedtioideae was divided into four clades with full support. This robust reconstructed phylogenetic backbone establishes a framework for future studies on Dennstaedtiaceae classification, evolution and diversification. The present study suggests considering plastid phylogenomic conflict when using plastid genomes. From our results, reducing saturated genes or sites can effectively mitigate tree conflicts for distantly related taxa. Moreover, phylogenetic trees based on amino acid sequences can be used as a comparison to verify the confidence of nucleotide-based trees.
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Affiliation(s)
- Ting Wang
- Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization, The Orchid Conservation and Research Center of Shenzhen, Shenzhen, China
- College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, China
| | - Ting-Zhang Li
- Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization, The Orchid Conservation and Research Center of Shenzhen, Shenzhen, China
- College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, China
| | - Si-Si Chen
- Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization, The Orchid Conservation and Research Center of Shenzhen, Shenzhen, China
| | - Tuo Yang
- Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization, The Orchid Conservation and Research Center of Shenzhen, Shenzhen, China
| | - Jiang-Ping Shu
- Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization, The Orchid Conservation and Research Center of Shenzhen, Shenzhen, China
| | - Yu-Nong Mu
- Eastern China Conservation Centre for Wild Endangered Plant Resources, Shanghai Chenshan Botanical Garden, Shanghai, China
| | - Kang-Lin Wang
- Green Development Institute, Southwest Forestry University, Kunming, China
| | - Jian-Bing Chen
- Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization, The Orchid Conservation and Research Center of Shenzhen, Shenzhen, China
| | - Jian-Ying Xiang
- Yunnan Academy of Biodiversity, Southwest Forestry University, Kunming, China
| | - Yue-Hong Yan
- Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization, The Orchid Conservation and Research Center of Shenzhen, Shenzhen, China
- Eastern China Conservation Centre for Wild Endangered Plant Resources, Shanghai Chenshan Botanical Garden, Shanghai, China
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Lu JM, Du XY, Kuo LY, Ebihara A, Perrie LR, Zuo ZY, Shang H, Chang YH, Li DZ. Plastome phylogenomic analysis reveals evolutionary divergences of Polypodiales suborder Dennstaedtiineae. BMC PLANT BIOLOGY 2022; 22:511. [PMID: 36319964 PMCID: PMC9628275 DOI: 10.1186/s12870-022-03886-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 10/19/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Polypodiales suborder Dennstaedtiineae contain a single family Dennstaedtiaceae, eleven genera, and about 270 species, and include some groups that were previously placed in Dennstaedtiaceae, Hypolepidaceae, Monachosoraceae, and Pteridaceae. The classification and phylogenetic relationships among these eleven genera have been poorly understood. To explore the deep relationships within suborder Dennstaedtiineae and estimate the early diversification of this morphologically heterogeneous group, we analyzed complete plastomes of 57 samples representing all eleven genera of suborder Dennstaedtiineae using maximum likelihood and Bayesian inference. RESULTS The phylogenetic relationships of all the lineages in the bracken fern family Dennstaedtiaceae were well resolved with strong support values. All six genera of Hypolepidoideae were recovered as forming a monophyletic group with full support, and Pteridium was fully supported as sister to all the other genera in Hypolepidoideae. Dennstaedtioideae (Dennstaedtia s.l.) fell into four clades with full support: the Microlepia clade, the northern Dennstaedtia clade, the Dennstaedtia globulifera clade, and the Dennstaedtia s.s. clade. Monachosorum was strongly resolved as sister to all the remaining genera of suborder Dennstaedtiineae. Based on the well resolved relationships among genera, the divergence between Monachosorum and other groups of suborder Dennstaedtiineae was estimated to have occurred in the Early Cretaceous, and all extant genera (and clades) in Dennstaedtiineae, were inferred to have diversified since the Late Oligocene. CONCLUSION This study supports reinstating a previously published family Monachosoraceae as a segregate from Dennstaedtiaceae, based on unique morphological evidence, the shady habitat, and the deep evolutionary divergence from its closest relatives.
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Affiliation(s)
- Jin-Mei Lu
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, 132 Lanhei Road, Kunming, 650201, China.
| | - Xin-Yu Du
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, 132 Lanhei Road, Kunming, 650201, China
| | - Li-Yaung Kuo
- Institute of Molecular and Cellular Biology, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Atsushi Ebihara
- Department of Botany, National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba, Ibaraki, 305-0005, Japan
| | - Leon R Perrie
- Museum of New Zealand Te Papa Tongarewa, Cable Street, Wellington, 6011, New Zealand
| | - Zheng-Yu Zuo
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, 132 Lanhei Road, Kunming, 650201, China
| | - Hui Shang
- Shanghai Chenshan Plant Science Research Center, Chinese Academy of Sciences, Shanghai Chenshan Botanical Garden, Shanghai, 201602, China
| | - Yi-Han Chang
- Taiwan Forestry Research Institute, Taipei, 10066, Taiwan
| | - De-Zhu Li
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, 132 Lanhei Road, Kunming, 650201, China.
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Schwartsburd PB, Pena NTL. Flora of Espírito Santo: Saccolomataceae. RODRIGUÉSIA 2022. [DOI: 10.1590/2175-7860202273021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Abstract As part of the Flora of Espírito Santo project, we present the taxonomic treatment of the fern family Saccolomataceae, with a key, descriptions, illustrations, and a list of examined specimens. Two species of Saccoloma occur in the state of Espírito Santo: S. elegans and S. nigrescens. Both species are endemic to the Brazilian Atlantic Rainforest.
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YAÑEZ AGUSTINA, SCHWARTSBURD PEDROB, MARQUEZ GONZALOJ. Further evidence for the hybrid status of the Brazilian native fern Hypolepis ×paulistana (Dennstaedtiaceae). AN ACAD BRAS CIENC 2022; 94:e20201962. [DOI: 10.1590/0001-3765202220201962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Accepted: 02/15/2022] [Indexed: 11/23/2022] Open
Affiliation(s)
- AGUSTINA YAÑEZ
- Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”, Argentina; Universidad Nacional de La Plata, Argentina
| | | | - GONZALO J. MARQUEZ
- Universidad Nacional de La Plata, Argentina; Universidad Nacional de La Plata, Argentina
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