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Sienkiewicz A, Łaska G. Application of Bayesian networks in evaluation of current status and protection of
Pulsatilla patens
(L.) Mill. Ecosphere 2021. [DOI: 10.1002/ecs2.3337] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- Aneta Sienkiewicz
- Department of Agri‐Food Engineering and Environmental Management Białystok University of Technology Wiejska 45A Białystok15‐351Poland
| | - Grażyna Łaska
- Department of Agri‐Food Engineering and Environmental Management Białystok University of Technology Wiejska 45A Białystok15‐351Poland
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Meerow AW, Gardner EM, Nakamura K. Phylogenomics of the Andean Tetraploid Clade of the American Amaryllidaceae (Subfamily Amaryllidoideae): Unlocking a Polyploid Generic Radiation Abetted by Continental Geodynamics. FRONTIERS IN PLANT SCIENCE 2020; 11:582422. [PMID: 33250911 PMCID: PMC7674842 DOI: 10.3389/fpls.2020.582422] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Accepted: 10/12/2020] [Indexed: 05/27/2023]
Abstract
One of the two major clades of the endemic American Amaryllidaceae subfam. Amaryllidoideae constitutes the tetraploid-derived (n = 23) Andean-centered tribes, most of which have 46 chromosomes. Despite progress in resolving phylogenetic relationships of the group with plastid and nrDNA, certain subclades were poorly resolved or weakly supported in those previous studies. Sequence capture using anchored hybrid enrichment was employed across 95 species of the clade along with five outgroups and generated sequences of 524 nuclear genes and a partial plastome. Maximum likelihood phylogenetic analyses were conducted on concatenated supermatrices, and coalescent-based species tree analyses were run on the gene trees, followed by hybridization network, age diversification and biogeographic analyses. The four tribes Clinantheae, Eucharideae, Eustephieae, and Hymenocallideae (sister to Clinantheae) are resolved in all analyses with > 90 and mostly 100% support, as are almost all genera within them. Nuclear gene supermatrix and species tree results were largely in concordance; however, some instances of cytonuclear discordance were evident. Hybridization network analysis identified significant reticulation in Clinanthus, Hymenocallis, Stenomesson and the subclade of Eucharideae comprising Eucharis, Caliphruria, and Urceolina. Our data support a previous treatment of the latter as a single genus, Urceolina, with the addition of Eucrosia dodsonii. Biogeographic analysis and penalized likelihood age estimation suggests an origin in the Cauca, Desert and Puna Neotropical bioprovinces for the complex in the mid-Oligocene, with more dispersals than vicariances in its history, but no extinctions. Hymenocallis represents the only instance of long-distance vicariance from the tropical Andean origin of its tribe Hymenocallideae. The absence of extinctions correlates with the lack of diversification rate shifts within the clade. The Eucharideae experienced a sudden lineage radiation ca. 10 Mya. We tie much of the divergences in the Andean-centered lineages to the rise of the Andes, and suggest that the Amotape-Huancabamba Zone functioned as both a corridor (dispersal) and a barrier to migration (vicariance). Several taxonomic changes are made. This is the largest DNA sequence data set to be applied within Amaryllidaceae to date.
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Affiliation(s)
- Alan W. Meerow
- USDA-ARS-SHRS, National Clonal Germplasm Repository, Miami, FL, United States
| | - Elliot M. Gardner
- Singapore Botanic Gardens, National Parks Board, Singapore, Singapore
- Institute of Environment, Florida International University, Miami, FL, United States
| | - Kyoko Nakamura
- USDA-ARS-SHRS, National Clonal Germplasm Repository, Miami, FL, United States
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Moreno R, Tallini LR, Salazar C, Osorio EH, Montero E, Bastida J, Oleas NH, Acosta León K. Chemical Profiling and Cholinesterase Inhibitory Activity of Five Phaedranassa Herb. (Amaryllidaceae) Species from Ecuador. Molecules 2020; 25:E2092. [PMID: 32365796 PMCID: PMC7248819 DOI: 10.3390/molecules25092092] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 04/13/2020] [Accepted: 04/21/2020] [Indexed: 12/20/2022] Open
Abstract
It is estimated that 50 million people in the world live with dementia, 60-70% of whom suffer from Alzheimer's disease (AD). Different factors are involved in the development of AD, including a reduction in the cholinergic neurotransmission level. The Amaryllidaceae plant family contains an exclusive, large, and still understudied alkaloid group characterized by a singular skeleton arrangement and a broad spectrum of biological activities. The chemistry and biodiversity of Ecuadorian representatives of the Phaedranassa genus (Amaryllidaceae) have not been widely studied. In this work, five Ecuadorian Phaedranassa species were examined in vitro for their activity towards the enzymes acetyl- (AChE) and butyrylcholinesterase (BuChE), and the alkaloid profile of bulb extracts was analyzed by GC-MS. The species Phaedranassa cuencana and Phaedranassa dubia showed the most AChE and BuChE inhibitory activity, respectively. To obtain insight into the potential role of the identified alkaloids in these inhibitory effects, docking experiments were carried out, and cantabricine showed in silico inhibitory activity against both cholinesterase structures. Our results show that Amaryllidaceae species from Ecuador are a potential source of new drugs for the palliative treatment of AD.
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Affiliation(s)
- Raúl Moreno
- Group of Natural Products, Faculty of Pharmacy, University of Barcelona, Av. Joan XXIII, 27-31, 08028 Barcelona, Spain; (R.M.); (L.R.T.); (J.B.)
| | - Luciana R. Tallini
- Group of Natural Products, Faculty of Pharmacy, University of Barcelona, Av. Joan XXIII, 27-31, 08028 Barcelona, Spain; (R.M.); (L.R.T.); (J.B.)
- Faculty of Pharmacy, Federal University of Rio Grande do Sul, Av. Ipiranga 2752, Porto Alegre RS 90610-000, Brazil
| | - Cristina Salazar
- Grupo de Investigación de Productos Naturales y Farmacia, Facultad de Ciencias, Escuela Superior Politécnica del Chimborazo, Panamericana Sur km 1 1/2, Riobamba EC060155, Ecuador; (C.S.); (E.M.); (K.A.L.)
| | - Edison H. Osorio
- Facultad de Ciencias Naturales y Matemáticas, Universidad de Ibagué, Carrera 22 Calle 67, Ibagué 730001, Colombia;
| | - Evelin Montero
- Grupo de Investigación de Productos Naturales y Farmacia, Facultad de Ciencias, Escuela Superior Politécnica del Chimborazo, Panamericana Sur km 1 1/2, Riobamba EC060155, Ecuador; (C.S.); (E.M.); (K.A.L.)
| | - Jaume Bastida
- Group of Natural Products, Faculty of Pharmacy, University of Barcelona, Av. Joan XXIII, 27-31, 08028 Barcelona, Spain; (R.M.); (L.R.T.); (J.B.)
| | - Nora H. Oleas
- Centro de Investigación de la Biodiversidad y Cambio Climático (BioCamb) e Ingeniería en Biodiversidad y Recursos Genéticos, Facultad de Ciencias de Medio Ambiente, Universidad Tecnológica Indoamérica, Machala y Sabanilla, Quito EC170301, Ecuador
| | - Karen Acosta León
- Grupo de Investigación de Productos Naturales y Farmacia, Facultad de Ciencias, Escuela Superior Politécnica del Chimborazo, Panamericana Sur km 1 1/2, Riobamba EC060155, Ecuador; (C.S.); (E.M.); (K.A.L.)
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Binks RM, Millar MA, Byrne M. Not all rare species are the same: contrasting patterns of genetic diversity and population structure in two narrow-range endemic sedges. Biol J Linn Soc Lond 2015. [DOI: 10.1111/bij.12465] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Rachel M. Binks
- Science and Conservation Division; Department of Parks and Wildlife; Locked Bag 104; Bentley Delivery Centre; Bentley WA 6983 Australia
| | - Melissa A. Millar
- Science and Conservation Division; Department of Parks and Wildlife; Locked Bag 104; Bentley Delivery Centre; Bentley WA 6983 Australia
| | - Margaret Byrne
- Science and Conservation Division; Department of Parks and Wildlife; Locked Bag 104; Bentley Delivery Centre; Bentley WA 6983 Australia
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Sanín MJ, Anthelme F, Pintaud JC, Galeano G, Bernal R. Juvenile resilience and adult longevity explain residual populations of the Andean wax palm Ceroxylon quindiuense after deforestation. PLoS One 2013; 8:e74139. [PMID: 24194823 PMCID: PMC3806763 DOI: 10.1371/journal.pone.0074139] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2013] [Accepted: 07/28/2013] [Indexed: 11/30/2022] Open
Abstract
Wax palms are an important element of the cloud forests in the tropical Andes. Despite heavy deforestation, the density of adults seems to be similar in deforested pastures as in forests. We aimed to infer the mechanisms responsible for this apparent resilience in pastures and we tested two hypotheses to explain it: 1) adult palms survived in pastures because they were spared from logging, and 2) adults occurred in pastures through the resilience of large juvenile rosettes, which survived through subterranean meristems and later developed into adults. For this purpose, we characterized the demographic structure of C. quindiuense in a total of 122 plots of 400 m2 in forests and pastures at two sites with contrasted land use histories in Colombia and Peru. Additionally, we implemented growth models that allowed us to estimate the age of individuals at four sites. These data were combined with information collected from local land managers in order to complete our knowledge on the land use history at each site. At two sites, the presence of old individuals up to 169 years and a wide age range evidenced that, at least, a portion of current adults in pastures were spared from logging at the time of deforestation. However, at the two other sites, the absence of older adults in pastures and the narrow age range of the populations indicated that individuals came exclusively from rosette resilience. These interpretations were consistent with the land use history of sites. In consequence, the combination of the two hypotheses (spared individuals and rosette resilience) explained patterns of C. quindiuense in pastures on a regional scale. Regeneration through subterranean meristems in palms is an important, yet overlooked mechanism of resilience, which occurs in a number of palm species and deserves being integrated in the conceptual framework of disturbance ecology.
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Affiliation(s)
- María José Sanín
- Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá, Distrito Capital, Colombia
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Molfetti É, Torres Vilaça S, Georges JY, Plot V, Delcroix E, Le Scao R, Lavergne A, Barrioz S, dos Santos FR, de Thoisy B. Recent demographic history and present fine-scale structure in the Northwest Atlantic leatherback (Dermochelys coriacea) turtle population. PLoS One 2013; 8:e58061. [PMID: 23516429 PMCID: PMC3596356 DOI: 10.1371/journal.pone.0058061] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2012] [Accepted: 02/01/2013] [Indexed: 11/18/2022] Open
Abstract
The leatherback turtle Dermochelys coriacea is the most widely distributed sea turtle species in the world. It exhibits complex life traits: female homing and migration, migrations of juveniles and males that remain poorly known, and a strong climatic influence on resources, breeding success and sex-ratio. It is consequently challenging to understand population dynamics. Leatherbacks are critically endangered, yet the group from the Northwest Atlantic is currently considered to be under lower risk than other populations while hosting some of the largest rookeries. Here, we investigated the genetic diversity and the demographic history of contrasted rookeries from this group, namely two large nesting populations in French Guiana, and a smaller one in the French West Indies. We used 10 microsatellite loci, of which four are newly isolated, and mitochondrial DNA sequences of the control region and cytochrome b. Both mitochondrial and nuclear markers revealed that the Northwest Atlantic stock of leatherbacks derives from a single ancestral origin, but show current genetic structuration at the scale of nesting sites, with the maintenance of migrants amongst rookeries. Low nuclear genetic diversities are related to founder effects that followed consequent bottlenecks during the late Pleistocene/Holocene. Most probably in response to climatic oscillations, with a possible influence of early human hunting, female effective population sizes collapsed from 2 million to 200. Evidence of founder effects and high numbers of migrants make it possible to reconsider the population dynamics of the species, formerly considered as a metapopulation model: we propose a more relaxed island model, which we expect to be a key element in the currently observed recovering of populations. Although these Northwest Atlantic rookeries should be considered as a single evolutionary unit, we stress that local conservation efforts remain necessary since each nesting site hosts part of the genetic diversity and species history.
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Affiliation(s)
- Érica Molfetti
- Departamento de Biologia Geral, ICB, Universidade Federal de Minas Gerais, 31270-010, Belo Horizonte, Minas Gerais, Brazil
| | - Sibelle Torres Vilaça
- Dipartimento di Biologia ed Evoluzione, Sezione di Biologia Evolutiva, Università di Ferrara, Ferrara, Italy
| | - Jean-Yves Georges
- Université de Strasbourg, IPHC (Institut Pluridisciplinaire Hubert Curien), 67087, Strasbourg, France
- CNRS,UMR 7178, 67087, Strasbourg, France
| | - Virginie Plot
- Université de Strasbourg, IPHC (Institut Pluridisciplinaire Hubert Curien), 67087, Strasbourg, France
- CNRS,UMR 7178, 67087, Strasbourg, France
| | - Eric Delcroix
- Office National de la Chasse et de la Faune Sauvage Guadeloupe, 97129, Lamentin, Guadeloupe, French West Indies
| | - Rozen Le Scao
- Office National de la Chasse et de la Faune Sauvage, Martinique, 97200, Martinique, French West Indies
| | - Anne Lavergne
- Institut Pasteur de la Guyane, 97300, Cayenne, French Guiana
| | | | - Fabrício Rodrigues dos Santos
- Departamento de Biologia Geral, ICB, Universidade Federal de Minas Gerais, 31270-010, Belo Horizonte, Minas Gerais, Brazil
| | - Benoît de Thoisy
- Institut Pasteur de la Guyane, 97300, Cayenne, French Guiana
- Kwata NGO, 97300 Cayenne, French Guiana
- * E-mail:
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