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Gutiérrez-Valencia J, Zervakis PI, Postel Z, Fracassetti M, Losvik A, Mehrabi S, Bunikis I, Soler L, Hughes PW, Désamoré A, Laenen B, Abdelaziz M, Pettersson OV, Arroyo J, Slotte T. Genetic causes and genomic consequences of breakdown of distyly in Linum trigynum. Mol Biol Evol 2024:msae087. [PMID: 38709782 DOI: 10.1093/molbev/msae087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 03/22/2024] [Accepted: 04/29/2024] [Indexed: 05/08/2024] Open
Abstract
Distyly is an iconic floral polymorphism governed by a supergene, which promotes efficient pollen transfer and outcrossing through reciprocal differences in the position of sexual organs in flowers, often coupled with heteromorphic self-incompatibility (SI). Distyly has evolved convergently in multiple flowering plant lineages, but has also broken down repeatedly, often resulting in homostylous, self-compatible populations with elevated rates of self-fertilization. Here, we aimed to study the genetic causes and genomic consequences of the shift to homostyly in Linum trigynum, which is closely related to distylous Linum tenue. Building on a high-quality genome assembly, we show that L. trigynum harbors a genomic region homologous to the dominant haplotype of the distyly supergene conferring long stamens and short styles in L. tenue, suggesting that loss of distyly first occurred in a short-styled individual. In contrast to homostylous Primula and Fagopyrum, L. trigynum harbors no fixed loss-of-function mutations in coding sequences of S-linked distyly candidate genes. Instead, floral gene expression analyses and controlled crosses suggest that mutations downregulating the S-linked LtWDR-44 candidate gene for male SI and/or anther height could underlie homostyly and self-compatibility (SC) in L. trigynum. Population genomic analyses of 224 whole-genome sequences further demonstrate that L. trigynum is highly self-fertilizing, exhibits significantly lower genetic diversity genome-wide, and is experiencing relaxed purifying selection and less frequent positive selection on nonsynonymous mutations relative to L. tenue. Our analyses shed light on the loss of distyly in L. trigynum, and advance our understanding of a common evolutionary transition in flowering plants.
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Affiliation(s)
- Juanita Gutiérrez-Valencia
- Department of Ecology, Environment and Plant Sciences, Science for Life Laboratory, Stockholm University, Stockholm, Sweden
| | - Panagiotis-Ioannis Zervakis
- Department of Ecology, Environment and Plant Sciences, Science for Life Laboratory, Stockholm University, Stockholm, Sweden
| | - Zoé Postel
- Department of Ecology, Environment and Plant Sciences, Science for Life Laboratory, Stockholm University, Stockholm, Sweden
| | - Marco Fracassetti
- Department of Ecology, Environment and Plant Sciences, Science for Life Laboratory, Stockholm University, Stockholm, Sweden
| | - Aleksandra Losvik
- Department of Ecology, Environment and Plant Sciences, Science for Life Laboratory, Stockholm University, Stockholm, Sweden
| | - Sara Mehrabi
- Department of Ecology, Environment and Plant Sciences, Science for Life Laboratory, Stockholm University, Stockholm, Sweden
| | - Ignas Bunikis
- Uppsala Genome Center, Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Lucile Soler
- Department of Medical Biochemistry and Microbiology, Uppsala University, National Bioinformatics Infrastructure Sweden (NBIS), Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | - P William Hughes
- Department of Ecology, Environment and Plant Sciences, Science for Life Laboratory, Stockholm University, Stockholm, Sweden
| | - Aurélie Désamoré
- Department of Ecology, Environment and Plant Sciences, Science for Life Laboratory, Stockholm University, Stockholm, Sweden
| | - Benjamin Laenen
- Department of Ecology, Environment and Plant Sciences, Science for Life Laboratory, Stockholm University, Stockholm, Sweden
| | | | - Olga Vinnere Pettersson
- Uppsala Genome Center, Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Juan Arroyo
- Department of Plant Biology and Ecology, University of Seville, Seville, Spain
| | - Tanja Slotte
- Department of Ecology, Environment and Plant Sciences, Science for Life Laboratory, Stockholm University, Stockholm, Sweden
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Valdés-Florido A, González-Toral C, Maguilla E, Cires E, Díaz-Lifante Z, Andrés-Camacho C, Nieto Feliner G, Arroyo J, Escudero M. Polyploidy and hybridization in the Mediterranean: unravelling the evolutionary history of Centaurium (Gentianaceae). Ann Bot 2024:mcae066. [PMID: 38687133 DOI: 10.1093/aob/mcae066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Indexed: 05/02/2024]
Abstract
BACKGROUND AND AIMS Polyploidy is considered one of the main mechanisms of plant evolution and speciation. In the Mediterranean basin, polyploidy has contributed to making this region a biodiversity hotspot, along with its geological and climatic history and other ecological and biogeographic factors. The Mediterranean genus Centaurium Hill (Gentianaceae) comprises ca. 25 species, of which 60% are polyploids, including tetraploids and hexaploids. To date, the evolutionary history of centauries has been studied using Sanger sequencing phylogenies, which have been insufficient to fully understand the phylogenetic relationships in this lineage. The goal of this study is to gain a better understanding of the evolutionary history of Centaurium by exploring the mechanisms that have driven its diversification, specifically hybridization and polyploidy. We aim at identifying the parentage of hybrid species, at the species or clade level, as well as assessing whether morphological traits are associated with particular ploidy levels. METHODS We sequenced RADseq markers from 42 samples of 28 Centaurium taxa, and performed phylogenomic analyses using maximum likelihood, summary coalescent SVDquartets and NeighborNet approaches. To identify hybrid taxa, we used Phylonetworks and the fastStructure algorithm. To infer the putative parental species of the allopolyploids, we employed genomic analyses (SNIPloid). The association between different traits and particular ploidy levels was explored with NMDS. KEY RESULTS Our phylogenetic analyses confirmed the long-suspected occurrence of recurrent hybridization. The allopolyploid origin of the tetraploid C. serpentinicola and the hexaploids C. mairei, C. malzacianum and C. centaurioides were also confirmed, unlike that of C. discolor. We inferred additional signatures of hybridization events within the genus and identified morphological traits differentially distributed in different ploidy levels. CONCLUSIONS This study highlights the important role that hybridization has played in the evolution of a Mediterranean genus such as Centaurium, leading to a polyploid complex, which facilitated its diversification and may exemplify that of other Mediterranean groups.
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Affiliation(s)
- Ana Valdés-Florido
- Department of Plant Biology and Ecology, Faculty of Biology, University of Seville, 41012, Seville, Spain
| | | | - Enrique Maguilla
- Department of Molecular Biology and Biochemical Engineering, Pablo de Olavide University, 41013, Seville, Spain
| | - Eduardo Cires
- Department of Organisms and Systems Biology, University of Oviedo, 33071, Oviedo, Spain
- Institute of Natural Resources and Territorial Planning (INDUROT), Campus de Mieres, 33600 Mieres, Spain
| | - Zoila Díaz-Lifante
- Department of Plant Biology and Ecology, Faculty of Biology, University of Seville, 41012, Seville, Spain
| | - Cristina Andrés-Camacho
- Department of Plant Biology and Ecology, Faculty of Biology, University of Seville, 41012, Seville, Spain
| | | | - Juan Arroyo
- Department of Plant Biology and Ecology, Faculty of Biology, University of Seville, 41012, Seville, Spain
| | - Marcial Escudero
- Department of Plant Biology and Ecology, Faculty of Biology, University of Seville, 41012, Seville, Spain
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3
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Zuntini AR, Carruthers T, Maurin O, Bailey PC, Leempoel K, Brewer GE, Epitawalage N, Françoso E, Gallego-Paramo B, McGinnie C, Negrão R, Roy SR, Simpson L, Toledo Romero E, Barber VMA, Botigué L, Clarkson JJ, Cowan RS, Dodsworth S, Johnson MG, Kim JT, Pokorny L, Wickett NJ, Antar GM, DeBolt L, Gutierrez K, Hendriks KP, Hoewener A, Hu AQ, Joyce EM, Kikuchi IABS, Larridon I, Larson DA, de Lírio EJ, Liu JX, Malakasi P, Przelomska NAS, Shah T, Viruel J, Allnutt TR, Ameka GK, Andrew RL, Appelhans MS, Arista M, Ariza MJ, Arroyo J, Arthan W, Bachelier JB, Bailey CD, Barnes HF, Barrett MD, Barrett RL, Bayer RJ, Bayly MJ, Biffin E, Biggs N, Birch JL, Bogarín D, Borosova R, Bowles AMC, Boyce PC, Bramley GLC, Briggs M, Broadhurst L, Brown GK, Bruhl JJ, Bruneau A, Buerki S, Burns E, Byrne M, Cable S, Calladine A, Callmander MW, Cano Á, Cantrill DJ, Cardinal-McTeague WM, Carlsen MM, Carruthers AJA, de Castro Mateo A, Chase MW, Chatrou LW, Cheek M, Chen S, Christenhusz MJM, Christin PA, Clements MA, Coffey SC, Conran JG, Cornejo X, Couvreur TLP, Cowie ID, Csiba L, Darbyshire I, Davidse G, Davies NMJ, Davis AP, van Dijk KJ, Downie SR, Duretto MF, Duvall MR, Edwards SL, Eggli U, Erkens RHJ, Escudero M, de la Estrella M, Fabriani F, Fay MF, Ferreira PDL, Ficinski SZ, Fowler RM, Frisby S, Fu L, Fulcher T, Galbany-Casals M, Gardner EM, German DA, Giaretta A, Gibernau M, Gillespie LJ, González CC, Goyder DJ, Graham SW, Grall A, Green L, Gunn BF, Gutiérrez DG, Hackel J, Haevermans T, Haigh A, Hall JC, Hall T, Harrison MJ, Hatt SA, Hidalgo O, Hodkinson TR, Holmes GD, Hopkins HCF, Jackson CJ, James SA, Jobson RW, Kadereit G, Kahandawala IM, Kainulainen K, Kato M, Kellogg EA, King GJ, Klejevskaja B, Klitgaard BB, Klopper RR, Knapp S, Koch MA, Leebens-Mack JH, Lens F, Leon CJ, Léveillé-Bourret É, Lewis GP, Li DZ, Li L, Liede-Schumann S, Livshultz T, Lorence D, Lu M, Lu-Irving P, Luber J, Lucas EJ, Luján M, Lum M, Macfarlane TD, Magdalena C, Mansano VF, Masters LE, Mayo SJ, McColl K, McDonnell AJ, McDougall AE, McLay TGB, McPherson H, Meneses RI, Merckx VSFT, Michelangeli FA, Mitchell JD, Monro AK, Moore MJ, Mueller TL, Mummenhoff K, Munzinger J, Muriel P, Murphy DJ, Nargar K, Nauheimer L, Nge FJ, Nyffeler R, Orejuela A, Ortiz EM, Palazzesi L, Peixoto AL, Pell SK, Pellicer J, Penneys DS, Perez-Escobar OA, Persson C, Pignal M, Pillon Y, Pirani JR, Plunkett GM, Powell RF, Prance GT, Puglisi C, Qin M, Rabeler RK, Rees PEJ, Renner M, Roalson EH, Rodda M, Rogers ZS, Rokni S, Rutishauser R, de Salas MF, Schaefer H, Schley RJ, Schmidt-Lebuhn A, Shapcott A, Al-Shehbaz I, Shepherd KA, Simmons MP, Simões AO, Simões ARG, Siros M, Smidt EC, Smith JF, Snow N, Soltis DE, Soltis PS, Soreng RJ, Sothers CA, Starr JR, Stevens PF, Straub SCK, Struwe L, Taylor JM, Telford IRH, Thornhill AH, Tooth I, Trias-Blasi A, Udovicic F, Utteridge TMA, Del Valle JC, Verboom GA, Vonow HP, Vorontsova MS, de Vos JM, Al-Wattar N, Waycott M, Welker CAD, White AJ, Wieringa JJ, Williamson LT, Wilson TC, Wong SY, Woods LA, Woods R, Worboys S, Xanthos M, Yang Y, Zhang YX, Zhou MY, Zmarzty S, Zuloaga FO, Antonelli A, Bellot S, Crayn DM, Grace OM, Kersey PJ, Leitch IJ, Sauquet H, Smith SA, Eiserhardt WL, Forest F, Baker WJ. Phylogenomics and the rise of the angiosperms. Nature 2024:10.1038/s41586-024-07324-0. [PMID: 38658746 DOI: 10.1038/s41586-024-07324-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 03/15/2024] [Indexed: 04/26/2024]
Abstract
Angiosperms are the cornerstone of most terrestrial ecosystems and human livelihoods1,2. A robust understanding of angiosperm evolution is required to explain their rise to ecological dominance. So far, the angiosperm tree of life has been determined primarily by means of analyses of the plastid genome3,4. Many studies have drawn on this foundational work, such as classification and first insights into angiosperm diversification since their Mesozoic origins5-7. However, the limited and biased sampling of both taxa and genomes undermines confidence in the tree and its implications. Here, we build the tree of life for almost 8,000 (about 60%) angiosperm genera using a standardized set of 353 nuclear genes8. This 15-fold increase in genus-level sampling relative to comparable nuclear studies9 provides a critical test of earlier results and brings notable change to key groups, especially in rosids, while substantiating many previously predicted relationships. Scaling this tree to time using 200 fossils, we discovered that early angiosperm evolution was characterized by high gene tree conflict and explosive diversification, giving rise to more than 80% of extant angiosperm orders. Steady diversification ensued through the remaining Mesozoic Era until rates resurged in the Cenozoic Era, concurrent with decreasing global temperatures and tightly linked with gene tree conflict. Taken together, our extensive sampling combined with advanced phylogenomic methods shows the deep history and full complexity in the evolution of a megadiverse clade.
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Affiliation(s)
| | | | | | | | | | | | | | - Elaine Françoso
- Royal Botanic Gardens, Kew, Richmond, UK
- Centre for Ecology, Evolution and Behaviour, Department of Biological Sciences, School of Life Sciences and the Environment, Royal Holloway University of London, London, UK
| | | | | | | | | | - Lalita Simpson
- Australian Tropical Herbarium, James Cook University, Smithfield, Queensland, Australia
| | | | | | - Laura Botigué
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Campus UAB, Barcelona, Spain
| | | | | | - Steven Dodsworth
- School of Biological Sciences, University of Portsmouth, Portsmouth, UK
| | | | - Jan T Kim
- School of Physics, Engineering and Computer Science, University of Hertfordshire, Hatfield, UK
| | - Lisa Pokorny
- Royal Botanic Gardens, Kew, Richmond, UK
- Department of Biodiversity and Conservation, Real Jardín Botánico (RJB-CSIC), Madrid, Spain
| | - Norman J Wickett
- Department of Biological Sciences, Clemson University, Clemson, SC, USA
| | - Guilherme M Antar
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
- Departamento de Ciências Agrárias e Biológicas, Centro Universitário Norte do Espírito Santo, Universidade Federal do Espírito Santo, São Mateus, Brazil
| | | | | | - Kasper P Hendriks
- Department of Biology, University of Osnabrück, Osnabrück, Germany
- Naturalis Biodiversity Center, Leiden, The Netherlands
| | - Alina Hoewener
- Plant Biodiversity, Technical University Munich, Freising, Germany
| | - Ai-Qun Hu
- Royal Botanic Gardens, Kew, Richmond, UK
| | - Elizabeth M Joyce
- Australian Tropical Herbarium, James Cook University, Smithfield, Queensland, Australia
- Systematic, Biodiversity and Evolution of Plants, Ludwig Maximilian University of Munich, Munich, Germany
| | - Izai A B S Kikuchi
- Department of Botany, University of British Columbia, Vancouver, British Columbia, Canada
| | | | - Drew A Larson
- Department of Ecology & Evolutionary Biology, University of Michigan, Ann Arbor, MI, USA
| | - Elton John de Lírio
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
| | - Jing-Xia Liu
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | | | - Natalia A S Przelomska
- Royal Botanic Gardens, Kew, Richmond, UK
- School of Biological Sciences, University of Portsmouth, Portsmouth, UK
| | - Toral Shah
- Royal Botanic Gardens, Kew, Richmond, UK
| | | | | | - Gabriel K Ameka
- Department of Plant and Environmental Biology, University of Ghana, Accra, Ghana
| | - Rose L Andrew
- Botany and N.C.W. Beadle Herbarium, University of New England, Armidale, New South Wales, Australia
| | - Marc S Appelhans
- Department of Systematics, Biodiversity and Evolution of Plants, Albrecht-von-Haller Institute of Plant Sciences, University of Göttingen, Göttingen, Germany
| | - Montserrat Arista
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Seville, Spain
| | - María Jesús Ariza
- General Research Services, Herbario SEV, CITIUS, Universidad de Sevilla, Seville, Spain
| | - Juan Arroyo
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Seville, Spain
| | | | | | - C Donovan Bailey
- Department of Biology, New Mexico State University, Las Cruces, NM, USA
| | - Helen F Barnes
- Royal Botanic Gardens Victoria, Melbourne, Victoria, Australia
| | - Matthew D Barrett
- Australian Tropical Herbarium, James Cook University, Smithfield, Queensland, Australia
| | - Russell L Barrett
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | - Randall J Bayer
- Department of Biological Sciences, University of Memphis, Memphis, TN, USA
| | - Michael J Bayly
- School of BioSciences, The University of Melbourne, Parkville, Victoria, Australia
| | - Ed Biffin
- State Herbarium of South Australia, Botanic Gardens and State Herbarium, Adelaide, South Australia, Australia
| | | | - Joanne L Birch
- School of BioSciences, The University of Melbourne, Parkville, Victoria, Australia
| | - Diego Bogarín
- Naturalis Biodiversity Center, Leiden, The Netherlands
- Jardín Botánico Lankester, Universidad de Costa Rica, Cartago, Costa Rica
| | | | | | - Peter C Boyce
- Centro Studi Erbario Tropicale, Dipartimento di Biologia, University of Florence, Florence, Italy
| | | | | | - Linda Broadhurst
- Centre for Australian National Biodiversity Research, National Research Collections Australia, CSIRO, Canberra, Australian Capital Territory, Australia
| | - Gillian K Brown
- Queensland Herbarium and Biodiversity Science, Brisbane Botanic Gardens, Toowong, Queensland, Australia
| | - Jeremy J Bruhl
- Botany and N.C.W. Beadle Herbarium, University of New England, Armidale, New South Wales, Australia
| | - Anne Bruneau
- Institut de Recherche en Biologie Végétale and Département de Sciences Biologiques, University of Montreal, Montreal, Quebec, Canada
| | - Sven Buerki
- Department of Biological Sciences, Boise State University, Boise, ID, USA
| | - Edie Burns
- Royal Botanic Gardens, Kew, Richmond, UK
| | - Margaret Byrne
- Biodiversity and Conservation Science, Department of Biodiversity, Conservation and Attractions, Government of Western Australia, Kensington, Western Australia, Australia
| | | | - Ainsley Calladine
- State Herbarium of South Australia, Botanic Gardens and State Herbarium, Adelaide, South Australia, Australia
| | | | - Ángela Cano
- Cambridge University Botanic Garden, Cambridge, UK
| | | | - Warren M Cardinal-McTeague
- Department of Forest and Conservation Sciences, University of British Columbia, Vancouver, British Columbia, Canada
| | | | | | - Alejandra de Castro Mateo
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Seville, Spain
| | - Mark W Chase
- Royal Botanic Gardens, Kew, Richmond, UK
- Department of Environment and Agriculture, Curtin University, Bentley, Western Australia, Australia
| | | | | | - Shilin Chen
- Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Beijing, China
| | - Maarten J M Christenhusz
- Royal Botanic Gardens, Kew, Richmond, UK
- Department of Environment and Agriculture, Curtin University, Perth, Western Australia, Australia
- Plant Gateway, Den Haag, The Netherlands
| | - Pascal-Antoine Christin
- Ecology and Evolutionary Biology, School of Biosciences, University of Sheffield, Sheffield, UK
| | - Mark A Clements
- Centre for Australian National Biodiversity Research, National Research Collections Australia, CSIRO, Canberra, Australian Capital Territory, Australia
| | - Skye C Coffey
- Western Australian Herbarium, Department of Biodiversity, Conservation and Attractions, Government of Western Australia, Kensington, Western Australia, Australia
| | - John G Conran
- School of Biological Sciences, The University of Adelaide, Adelaide, South Australia, Australia
| | - Xavier Cornejo
- Herbario GUAY, Facultad de Ciencias Naturales, Universidad de Guayaquil, Guayaquil, Ecuador
| | | | - Ian D Cowie
- Northern Territory Herbarium Department of Environment Parks & Water Security, Northern Territory Government, Palmerston, Northern Territory, Australia
| | | | | | | | | | | | - Kor-Jent van Dijk
- The University of Adelaide, North Terrace Campus, Adelaide, South Australia, Australia
| | - Stephen R Downie
- Department of Plant Biology, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Marco F Duretto
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | - Melvin R Duvall
- Department of Biological Sciences and Institute for the Study of the Environment, Sustainability and Energy, Northern Illinois University, DeKalb, IL, USA
| | | | - Urs Eggli
- Sukkulenten-Sammlung Zürich/ Grün Stadt Zürich, Zürich, Switzerland
| | - Roy H J Erkens
- Naturalis Biodiversity Center, Leiden, The Netherlands
- Maastricht Science Programme, Maastricht University, Maastricht, The Netherlands
- System Earth Science, Maastricht University, Venlo, The Netherlands
| | - Marcial Escudero
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Seville, Spain
| | - Manuel de la Estrella
- Departamento de Botánica, Ecología y Fisiología Vegetal, Facultad de Ciencias, Universidad de Córdoba, Córdoba, Spain
| | | | | | - Paola de L Ferreira
- Departamento de Biologia, Faculdade de Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, São Paulo, Brazil
- Department of Biology, Aarhus University, Aarhus, Denmark
| | | | - Rachael M Fowler
- School of BioSciences, The University of Melbourne, Parkville, Victoria, Australia
| | - Sue Frisby
- Royal Botanic Gardens, Kew, Richmond, UK
| | - Lin Fu
- South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
| | | | - Mercè Galbany-Casals
- Systematics and Evolution of Vascular Plants (UAB)-Associated Unit to CSIC by IBB, Departament de Biologia Animal, Biologia Vegetal i Ecologia, Facultat de Biociències, Universitat Autònoma de Barcelona, Bellaterra, Spain
| | - Elliot M Gardner
- Department of Biology, Case Western Reserve University, Cleveland, OH, USA
| | | | - Augusto Giaretta
- Faculdade de Ciências Biológicas e Ambientais, Universidade Federal da Grande Dourados, Dourados, Brazil
| | - Marc Gibernau
- Laboratoire Sciences Pour l'Environnement, Université de Corse, Ajaccio, France
| | | | - Cynthia C González
- Herbario Trelew, Universidad Nacional de la Patagonia San Juan Bosco, Trelew, Argentina
| | | | - Sean W Graham
- Department of Botany, University of British Columbia, Vancouver, British Columbia, Canada
| | | | | | - Bee F Gunn
- Royal Botanic Gardens Victoria, Melbourne, Victoria, Australia
| | - Diego G Gutiérrez
- Museo Argentino de Ciencias Naturales (MACN-CONICET), Buenos Aires, Argentina
| | - Jan Hackel
- Royal Botanic Gardens, Kew, Richmond, UK
- Department of Biology, Universität Marburg, Marburg, Germany
| | - Thomas Haevermans
- Institut de Systématique, Evolution, Biodiversité, Muséum National d'Histoire Naturelle, Paris, France
| | - Anna Haigh
- Royal Botanic Gardens, Kew, Richmond, UK
| | - Jocelyn C Hall
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Tony Hall
- Royal Botanic Gardens, Kew, Richmond, UK
| | - Melissa J Harrison
- Australian Tropical Herbarium, James Cook University, Smithfield, Queensland, Australia
| | | | - Oriane Hidalgo
- Institut Botànic de Barcelona (IBB CSIC-Ajuntament de Barcelona), Barcelona, Spain
| | - Trevor R Hodkinson
- Botany, School of Natural Sciences, Trinity College Dublin, The University of Dublin, Dublin, Ireland
| | - Gareth D Holmes
- Royal Botanic Gardens Victoria, Melbourne, Victoria, Australia
| | | | | | - Shelley A James
- Western Australian Herbarium, Department of Biodiversity, Conservation and Attractions, Government of Western Australia, Kensington, Western Australia, Australia
| | - Richard W Jobson
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | - Gudrun Kadereit
- Prinzessin Therese von Bayern-Lehrstuhl für Systematik, Biodiversität & Evolution der Pflanzen, Ludwig-Maximilians-Universität München, Botanische Staatssammlung München, Botanischer Garten München-Nymphenburg, Munich, Germany
| | | | | | - Masahiro Kato
- National Museum of Nature and Science, Tsukuba, Japan
| | | | - Graham J King
- Southern Cross University, Lismore, New South Wales, Australia
| | | | | | - Ronell R Klopper
- Foundational Biodiversity Science Division, South African National Biodiversity Institute, Pretoria, South Africa
- Department of Plant and Soil Sciences, University of Pretoria, Pretoria, South Africa
| | | | - Marcus A Koch
- Centre for Organismal Studies, Biodiversity and Plant Systematics, Heidelberg University, Heidelberg, Germany
| | | | - Frederic Lens
- Naturalis Biodiversity Center, Leiden, The Netherlands
| | | | | | | | - De-Zhu Li
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Lan Li
- CSIRO, Canberra, Australian Capital Territory, Australia
| | | | - Tatyana Livshultz
- Department of Biodiversity, Earth and Environmental Sciences, Drexel University, Philadelphia, PA, USA
- Academy of Natural Science, Drexel University, Philadelphia, PA, USA
| | - David Lorence
- National Tropical Botanical Garden, Kalaheo, HI, USA
| | - Meng Lu
- Royal Botanic Gardens, Kew, Richmond, UK
| | - Patricia Lu-Irving
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | - Jaquelini Luber
- Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | | | - Mabel Lum
- Bioplatforms Australia Ltd, Sydney, New South Wales, Australia
| | - Terry D Macfarlane
- Western Australian Herbarium, Department of Biodiversity, Conservation and Attractions, Government of Western Australia, Kensington, Western Australia, Australia
| | | | - Vidal F Mansano
- Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | | | - Kristina McColl
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | - Angela J McDonnell
- Department of Biological Sciences, Saint Cloud State University, Saint Cloud, MN, USA
| | - Andrew E McDougall
- The University of Adelaide, North Terrace Campus, Adelaide, South Australia, Australia
| | - Todd G B McLay
- Royal Botanic Gardens Victoria, Melbourne, Victoria, Australia
| | - Hannah McPherson
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | - Rosa I Meneses
- Instituto de Arqueología y Antropología, Universidad Católica del Norte, San Pedro de Atacama, Chile
| | | | | | | | | | | | - Taryn L Mueller
- Department of Ecology, Evolution & Behavior, University of Minnesota, St. Paul, MN, USA
| | - Klaus Mummenhoff
- Department of Biology, University of Osnabrück, Osnabrück, Germany
| | - Jérôme Munzinger
- AMAP Lab, Université Montpellier, IRD, CIRAD, CNRS INRAE, Montpellier, France
| | - Priscilla Muriel
- Laboratorio de Ecofisiología, Escuela de Ciencias Biológicas, Pontificia Universidad Católica del Ecuador, Quito, Ecuador
| | - Daniel J Murphy
- Royal Botanic Gardens Victoria, Melbourne, Victoria, Australia
| | - Katharina Nargar
- Australian Tropical Herbarium, James Cook University, Smithfield, Queensland, Australia
- Centre for Australian National Biodiversity Research, National Research Collections Australia, CSIRO, Canberra, Australian Capital Territory, Australia
| | - Lars Nauheimer
- Australian Tropical Herbarium, James Cook University, Smithfield, Queensland, Australia
| | - Francis J Nge
- State Herbarium of South Australia, Botanic Gardens and State Herbarium, Adelaide, South Australia, Australia
| | - Reto Nyffeler
- Department of Systematic and Evolutionary Botany, University of Zürich, Zürich, Switzerland
| | - Andrés Orejuela
- Royal Botanic Garden Edinburgh, Edinburgh, UK
- Grupo de Investigación en Recursos Naturales Amazónicos, Instituto Tecnológico del Putumayo, Mocoa, Colombia
| | - Edgardo M Ortiz
- Plant Biodiversity, Technical University Munich, Freising, Germany
| | - Luis Palazzesi
- Museo Argentino de Ciencias Naturales (MACN-CONICET), Buenos Aires, Argentina
| | - Ariane Luna Peixoto
- Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Jaume Pellicer
- Institut Botànic de Barcelona (IBB CSIC-Ajuntament de Barcelona), Barcelona, Spain
| | - Darin S Penneys
- Department of Biology and Marine Biology, University of North Carolina Wilmington, Wilmington, NC, USA
| | | | - Claes Persson
- Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden
| | - Marc Pignal
- Institut de Systématique, Evolution, Biodiversité, Muséum National d'Histoire Naturelle, Paris, France
| | - Yohan Pillon
- LSTM Université Montpellier, CIRADIRD, Montpellier, France
| | - José R Pirani
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
| | | | | | | | - Carmen Puglisi
- Royal Botanic Gardens, Kew, Richmond, UK
- Missouri Botanical Garden, St. Louis, MO, USA
| | - Ming Qin
- South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
| | - Richard K Rabeler
- Department of Ecology & Evolutionary Biology, University of Michigan, Ann Arbor, MI, USA
| | | | - Matthew Renner
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | - Eric H Roalson
- School of Biological Sciences, Washington State University, Pullman, WA, USA
| | - Michele Rodda
- National Parks Board, Singapore Botanic Gardens, Singapore, Singapore
| | | | - Saba Rokni
- Royal Botanic Gardens, Kew, Richmond, UK
| | - Rolf Rutishauser
- Department of Systematic and Evolutionary Botany, University of Zürich, Zürich, Switzerland
| | - Miguel F de Salas
- Tasmanian Herbarium, University of Tasmania, Sandy Bay, Tasmania, Australia
| | - Hanno Schaefer
- Plant Biodiversity, Technical University Munich, Freising, Germany
| | | | - Alexander Schmidt-Lebuhn
- Centre for Australian National Biodiversity Research, National Research Collections Australia, CSIRO, Canberra, Australian Capital Territory, Australia
| | - Alison Shapcott
- School of Science Technology and Engineering, Center for Bioinnovation, University Sunshine Coast, Sippy Downs, Queensland, Australia
| | | | - Kelly A Shepherd
- Western Australian Herbarium, Department of Biodiversity, Conservation and Attractions, Government of Western Australia, Kensington, Western Australia, Australia
| | - Mark P Simmons
- Department of Biology, Colorado State University, Fort Collins, CO, USA
| | - André O Simões
- Departamento de Biologia Vegetal, Universidade Estadual de Campinas, Campinas, Brazil
| | | | - Michelle Siros
- Royal Botanic Gardens, Kew, Richmond, UK
- University of California, San Francisco, San Francisco, CA, USA
| | - Eric C Smidt
- Departamento de Botânica, Universidade Federal do Paraná, Curitiba, Brazil
| | - James F Smith
- Department of Biological Sciences, Boise State University, Boise, ID, USA
| | - Neil Snow
- Pittsburg State University, Pittsburg, KS, USA
| | - Douglas E Soltis
- Florida Museum of Natural History, University of Florida, Gainesville, FL, USA
| | - Pamela S Soltis
- Florida Museum of Natural History, University of Florida, Gainesville, FL, USA
| | | | | | - Julian R Starr
- Department of Biology, University of Ottawa, Ottawa, Ontario, Canada
| | | | | | | | | | - Ian R H Telford
- Botany and N.C.W. Beadle Herbarium, University of New England, Armidale, New South Wales, Australia
| | - Andrew H Thornhill
- Botany and N.C.W. Beadle Herbarium, University of New England, Armidale, New South Wales, Australia
- State Herbarium of South Australia, Botanic Gardens and State Herbarium, Adelaide, South Australia, Australia
- School of Biological Sciences, The University of Adelaide, Adelaide, South Australia, Australia
| | - Ifeanna Tooth
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | | | - Frank Udovicic
- Royal Botanic Gardens Victoria, Melbourne, Victoria, Australia
| | | | - Jose C Del Valle
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Seville, Spain
| | - G Anthony Verboom
- Department of Biological Sciences and Bolus Herbarium, University of Cape Town, Cape Town, South Africa
| | - Helen P Vonow
- State Herbarium of South Australia, Botanic Gardens and State Herbarium, Adelaide, South Australia, Australia
| | | | - Jurriaan M de Vos
- Department of Environmental Sciences-Botany, University of Basel, Basel, Switzerland
| | | | - Michelle Waycott
- State Herbarium of South Australia, Botanic Gardens and State Herbarium, Adelaide, South Australia, Australia
- School of Biological Sciences, The University of Adelaide, Adelaide, South Australia, Australia
| | - Cassiano A D Welker
- Instituto de Biologia, Universidade Federal de Uberlândia, Uberlândia, Brazil
| | - Adam J White
- Australian National Herbarium, Centre for Australian National Biodiversity Research, National Research Collections Australia, CSIRO, Canberra, Australian Capital Territory, Australia
| | | | - Luis T Williamson
- The University of Adelaide, North Terrace Campus, Adelaide, South Australia, Australia
| | - Trevor C Wilson
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | - Sin Yeng Wong
- Institute of Biodiversity And Environmental Conservation, Universiti Malaysia Sarawak, Samarahan, Malaysia
| | - Lisa A Woods
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | | | - Stuart Worboys
- Australian Tropical Herbarium, James Cook University, Smithfield, Queensland, Australia
| | | | - Ya Yang
- University of Minnesota-Twin Cities, St. Paul, MN, USA
| | | | - Meng-Yuan Zhou
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | | | | | - Alexandre Antonelli
- Royal Botanic Gardens, Kew, Richmond, UK
- Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden
- Gothenburg Global Biodiversity Centre, University of Gothenburg, Gothenburg, Sweden
- Department of Biology, University of Oxford, Oxford, UK
| | | | - Darren M Crayn
- Australian Tropical Herbarium, James Cook University, Smithfield, Queensland, Australia
| | - Olwen M Grace
- Royal Botanic Gardens, Kew, Richmond, UK
- Royal Botanic Garden Edinburgh, Edinburgh, UK
| | | | | | - Hervé Sauquet
- National Herbarium of NSW, Botanic Gardens of Sydney, Mount Annan, New South Wales, Australia
| | - Stephen A Smith
- Department of Ecology & Evolutionary Biology, University of Michigan, Ann Arbor, MI, USA
| | - Wolf L Eiserhardt
- Royal Botanic Gardens, Kew, Richmond, UK
- Department of Biology, Aarhus University, Aarhus, Denmark
| | | | - William J Baker
- Royal Botanic Gardens, Kew, Richmond, UK.
- Department of Biology, Aarhus University, Aarhus, Denmark.
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4
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Novaes LR, Cornelissen TG, Arroyo J, Simón-Porcar V. Meta-analyses of reproductive changes in angiosperm populations in response to elevation reveal a lack of global patterns. Ann Bot 2024:mcae062. [PMID: 38646893 DOI: 10.1093/aob/mcae062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Indexed: 04/23/2024]
Abstract
BACKGROUND AND AIMS Elevation is a major factor shaping plant populations on a global scale. At the same time, reproductive traits play a major role in plant fitness. With increasing altitude and increasingly harsh conditions, decreases in pollinator visitation rates, sexual investment, seed set, and heterozygosity (due to increased selfing) are expected. In response, selection and/or phenotypic plasticity could lead to an increase in plants' floral displays to increase their attractiveness to pollinators and compensates for the negative fitness impacts of reduced pollinator activity. A large body of literature tests these hypotheses at the among-species level, but empirical evidence at the population level (i.e., wihin-species), where adaptive change may occur, is still limited to species-specific studies. Unravelling the global patterns of change in the reproductive traits, flower visitation rates and heterozygosity of plant populations across variable environmental conditions, especially climate can help us to understand how species are able to cope with shifting conditions associated with global change, particularly in mountains. Here, we used meta-analytic approaches to assess the reproductive changes of plant populations in response to elevation on a global scale. METHODS We used a data set with 243 paired populations of plants at 'lower' and 'higher' elevations, spanning an elevation range of 0-4380 m asl and taken from 121 angiosperm species and 115 published studies. We analyzed changes in flower number, size and longevity, pollen production, flower visitation rate, seed set and expected heterozygosity.We then tested whether the observed patterns for each trait were dependent upon plant phylogeny and various ecogeographical factors and species traits. KEY RESULTS We found no evidence of elevation having a global effect on the reproductive traits of angiosperm populations. This null global pattern was not affected by geograph or phylogenetics. CONCLUSIONS Our results suggest that changes in reproductive traits, flower visitation rates, and heterozygosity in plant populations across elevations are specific to each species and ecosystem. Hence, macroevolutionary (across species) and macroecological patterns of elevation of plant reproduction reported previously are apparently not simply the outcome of microevolutionary changes (within species). This apparent specificity of response across plant species poses difficulties in predicting the effects of global changes and, specifically, climatic changes, on the fate of plant species, populations, and communities.
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Affiliation(s)
- Letícia R Novaes
- Department of Plant Biology and Ecology, University of Seville, Seville, Andalusia, Spain
| | - Tatiana G Cornelissen
- Department of Genetics, Ecology and Evolution, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Juan Arroyo
- Department of Plant Biology and Ecology, University of Seville, Seville, Andalusia, Spain
| | - Violeta Simón-Porcar
- Department of Plant Biology and Ecology, University of Seville, Seville, Andalusia, Spain
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5
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Lewis RW, Andrus AK, Arroyo J, Brescia S, Botham PA, Corvaro M, Daston GP, Hofmann T, Rodriguez C, Sewell F, van Ravenzwaay B, Wiench K, Marty S. Considerations for the development of guidance on dose level selection for developmental and reproductive toxicity studies. Regul Toxicol Pharmacol 2024; 148:105585. [PMID: 38403008 DOI: 10.1016/j.yrtph.2024.105585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 02/06/2024] [Accepted: 02/18/2024] [Indexed: 02/27/2024]
Abstract
In 2022, the European Chemicals Agency issued advice on the selection of high dose levels for developmental and reproductive toxicity (DART) studies indicating that the highest dose tested should aim to induce clear evidence of reproductive toxicity without excessive toxicity and severe suffering in parental animals. In addition, a recent publication advocated that a 10% decrease in body weight gain should be replaced with a 10% decrease in bodyweight as a criterion for dose adequacy. Experts from the European Centre for Ecotoxicology and Toxicology of Chemicals evaluated these recent developments and their potential impact on study outcomes and interpretation and identified that the advice was not aligned with OECD test guidelines or with humane endpoints guidance. Furthermore, data analysis from DART studies indicated that a 10% decrease in maternal body weight during gestation equates to a 25% decrease in body weight gain, which differs from the consensus of experts at a 2010 ILSI/HESI workshop. Dose selection should be based on a biological approach that considers a range of other factors. Excessive dose levels that cause frank toxicity and overwhelm homeostasis should be avoided as they can give rise to effects that are not relevant to human health assessments.
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Affiliation(s)
- R W Lewis
- Regulatory Science Associates, Inverkip, Glasgow, Scotland, UK
| | - A K Andrus
- The Dow Chemical Company, Midland, MI, USA
| | | | - S Brescia
- Health & Safety Executive, Chemicals Regulation Division (CRD), Bootle, UK
| | | | - M Corvaro
- Corteva Agriscience Italia S.r.l., Rome, Italy
| | | | | | | | - F Sewell
- National Centre for the Replacement, Refinement and Reduction of Animals in Research (NC3Rs), London, UK.
| | | | | | - S Marty
- The Dow Chemical Company, Midland, MI, USA
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6
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Simón-Porcar V, Escudero M, Santos-Gally R, Sauquet H, Schönenberger J, Johnson SD, Arroyo J. Convergent evolutionary patterns of heterostyly across angiosperms support the pollination-precision hypothesis. Nat Commun 2024; 15:1237. [PMID: 38336937 PMCID: PMC10858259 DOI: 10.1038/s41467-024-45118-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 01/12/2024] [Indexed: 02/12/2024] Open
Abstract
Since the insights by Charles Darwin, heterostyly, a floral polymorphism with morphs bearing stigmas and anthers at reciprocal heights, has become a model system for the study of natural selection. Based on his archetypal heterostylous flower, including regular symmetry, few stamens and a tube, Darwin hypothesised that heterostyly evolved to promote outcrossing through efficient pollen transfer between morphs involving different areas of a pollinator's body, thus proposing his seminal pollination-precision hypothesis. Here we update the number of heterostylous and other style-length polymorphic taxa to 247 genera belonging to 34 families, notably expanding known cases by 20%. Using phylogenetic and comparative analyses across the angiosperms, we show numerous independent origins of style-length polymorphism associated with actinomorphic, tubular flowers with a low number of sex organs, stamens fused to the corolla, and pollination by long-tongued insects. These associations provide support for the Darwinian pollination-precision hypothesis as a basis for convergent evolution of heterostyly across angiosperms.
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Affiliation(s)
- Violeta Simón-Porcar
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, E-41080, Sevilla, Spain.
- School of Life Sciences, University of KwaZulu-Natal, P Bag X01, Scottsville, Pietermaritzburg, 3209, South Africa.
| | - Marcial Escudero
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, E-41080, Sevilla, Spain
| | | | - Hervé Sauquet
- National Herbarium of New South Wales, Royal Botanic Gardens and Domain Trust, Sydney, NSW, Australia
| | - Jürg Schönenberger
- Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030, Vienna, Austria
| | - Steven D Johnson
- School of Life Sciences, University of KwaZulu-Natal, P Bag X01, Scottsville, Pietermaritzburg, 3209, South Africa
| | - Juan Arroyo
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, E-41080, Sevilla, Spain.
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7
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Núñez-Farfán J, Velázquez-Márquez S, Torres-García JR, De-la-Cruz IM, Arroyo J, Valverde PL, Flores-Ortiz CM, Hernández-Portilla LB, López-Cobos DE, Matías JD. A Trip Back Home: Resistance to Herbivores of Native and Non-Native Plant Populations of Datura stramonium. Plants (Basel) 2024; 13:131. [PMID: 38202439 PMCID: PMC10780412 DOI: 10.3390/plants13010131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 12/27/2023] [Accepted: 12/28/2023] [Indexed: 01/12/2024]
Abstract
When colonizing new ranges, plant populations may benefit from the absence of the checks imposed by the enemies, herbivores, and pathogens that regulated their numbers in their original range. Therefore, rates of plant damage or infestation by natural enemies are expected to be lower in the new range. Exposing both non-native and native plant populations in the native range, where native herbivores are present, can be used to test whether resistance mechanisms have diverged between populations. Datura stramonium is native to the Americas but widely distributed in Spain, where populations show lower herbivore damage than populations in the native range. We established experiments in two localities in the native range (Mexico), exposing two native and two non-native D. stramonium populations to natural herbivores. Plant performance differed between the localities, as did the abundance of the main specialist herbivore, Lema daturaphila. In Teotihuacán, where L. daturaphila is common, native plants had significantly more adult beetles and herbivore damage than non-native plants. The degree of infestation by the specialist seed predator Trichobaris soror differed among populations and between sites, but the native Ticumán population always had the lowest level of infestation. The Ticumán population also had the highest concentration of the alkaloid scopolamine. Scopolamine was negatively related to the number of eggs deposited by L. daturaphila in Teotihuacán. There was among-family variation in herbivore damage (resistance), alkaloid content (scopolamine), and infestation by L. daturaphila and T. soror, indicating genetic variation and potential for further evolution. Although native and non-native D. stramonium populations have not yet diverged in plant resistance/constitutive defense, the differences between ranges (and the two experimental sites) in the type and abundance of herbivores suggest that further research is needed on the role of resource availability and adaptive plasticity, specialized metabolites (induced, constitutive), and the relationship between genealogical origin and plant defense in both ranges.
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Affiliation(s)
- Juan Núñez-Farfán
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México (UNAM), Mexico City 04510, Mexico; (S.V.-M.); (J.R.T.-G.); (I.M.D.-l.-C.); (D.E.L.-C.); (J.D.M.)
| | - Sabina Velázquez-Márquez
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México (UNAM), Mexico City 04510, Mexico; (S.V.-M.); (J.R.T.-G.); (I.M.D.-l.-C.); (D.E.L.-C.); (J.D.M.)
| | - Jesús R. Torres-García
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México (UNAM), Mexico City 04510, Mexico; (S.V.-M.); (J.R.T.-G.); (I.M.D.-l.-C.); (D.E.L.-C.); (J.D.M.)
| | - Ivan M. De-la-Cruz
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México (UNAM), Mexico City 04510, Mexico; (S.V.-M.); (J.R.T.-G.); (I.M.D.-l.-C.); (D.E.L.-C.); (J.D.M.)
| | - Juan Arroyo
- Departamento de Biología Vegetal y Ecología, Universidad de Sevilla, 41080 Sevilla, Spain;
| | - Pedro L. Valverde
- Departament of Biology, Universidad Autónoma Metropolitana-Iztapalapa, Mexico City 09310, Mexico;
| | - César M. Flores-Ortiz
- Plant Physiology Laboratory, UBIPRO, FES Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla 54090, Estado de Mexico, Mexico; (C.M.F.-O.); (L.B.H.-P.)
| | - Luis B. Hernández-Portilla
- Plant Physiology Laboratory, UBIPRO, FES Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla 54090, Estado de Mexico, Mexico; (C.M.F.-O.); (L.B.H.-P.)
| | - Diana E. López-Cobos
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México (UNAM), Mexico City 04510, Mexico; (S.V.-M.); (J.R.T.-G.); (I.M.D.-l.-C.); (D.E.L.-C.); (J.D.M.)
| | - Javier D. Matías
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México (UNAM), Mexico City 04510, Mexico; (S.V.-M.); (J.R.T.-G.); (I.M.D.-l.-C.); (D.E.L.-C.); (J.D.M.)
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8
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Staplin N, Haynes R, Judge PK, Wanner C, Green JB, Emberson J, Preiss D, Mayne KJ, Ng SYA, Sammons E, Zhu D, Hill M, Stevens W, Wallendszus K, Brenner S, Cheung AK, Liu ZH, Li J, Hooi LS, Liu WJ, Kadowaki T, Nangaku M, Levin A, Cherney D, Maggioni AP, Pontremoli R, Deo R, Goto S, Rossello X, Tuttle KR, Steubl D, Petrini M, Seidi S, Landray MJ, Baigent C, Herrington WG, Abat S, Abd Rahman R, Abdul Cader R, Abdul Hafidz MI, Abdul Wahab MZ, Abdullah NK, Abdul-Samad T, Abe M, Abraham N, Acheampong S, Achiri P, Acosta JA, Adeleke A, Adell V, Adewuyi-Dalton R, Adnan N, Africano A, Agharazii M, Aguilar F, Aguilera A, Ahmad M, Ahmad MK, Ahmad NA, Ahmad NH, Ahmad NI, Ahmad Miswan N, Ahmad Rosdi H, Ahmed I, Ahmed S, Ahmed S, Aiello J, Aitken A, AitSadi R, Aker S, Akimoto S, Akinfolarin A, Akram S, Alberici F, Albert C, Aldrich L, Alegata M, Alexander L, Alfaress S, Alhadj Ali M, Ali A, Ali A, Alicic R, Aliu A, Almaraz R, Almasarwah R, Almeida J, Aloisi A, Al-Rabadi L, Alscher D, Alvarez P, Al-Zeer B, Amat M, Ambrose C, Ammar H, An Y, Andriaccio L, Ansu K, Apostolidi A, Arai N, Araki H, Araki S, Arbi A, Arechiga O, Armstrong S, Arnold T, Aronoff S, Arriaga W, Arroyo J, Arteaga D, Asahara S, Asai A, Asai N, Asano S, Asawa M, Asmee MF, Aucella F, Augustin M, Avery A, Awad A, Awang IY, Awazawa M, Axler A, Ayub W, Azhari Z, Baccaro R, Badin C, Bagwell B, Bahlmann-Kroll E, Bahtar AZ, Baigent C, Bains D, Bajaj H, Baker R, Baldini E, Banas B, Banerjee D, Banno S, Bansal S, Barberi S, Barnes S, Barnini C, Barot C, Barrett K, Barrios R, Bartolomei Mecatti B, Barton I, Barton J, Basily W, Bavanandan S, Baxter A, Becker L, Beddhu S, Beige J, Beigh S, Bell S, Benck U, Beneat A, Bennett A, Bennett D, Benyon S, Berdeprado J, Bergler T, Bergner A, Berry M, Bevilacqua M, Bhairoo J, Bhandari S, Bhandary N, Bhatt A, Bhattarai M, Bhavsar M, Bian W, Bianchini F, Bianco S, Bilous R, Bilton J, Bilucaglia D, Bird C, Birudaraju D, Biscoveanu M, Blake C, Bleakley N, Bocchicchia K, Bodine S, Bodington R, Boedecker S, Bolduc M, Bolton S, Bond C, Boreky F, Boren K, Bouchi R, Bough L, Bovan D, Bowler C, Bowman L, Brar N, Braun C, Breach A, Breitenfeldt M, Brenner S, Brettschneider B, Brewer A, Brewer G, Brindle V, Brioni E, Brown C, Brown H, Brown L, Brown R, Brown S, Browne D, Bruce K, Brueckmann M, Brunskill N, Bryant M, Brzoska M, Bu Y, Buckman C, Budoff M, Bullen M, Burke A, Burnette S, Burston C, Busch M, Bushnell J, Butler S, Büttner C, Byrne C, Caamano A, Cadorna J, Cafiero C, Cagle M, Cai J, Calabrese K, Calvi C, Camilleri B, Camp S, Campbell D, Campbell R, Cao H, Capelli I, Caple M, Caplin B, Cardone A, Carle J, Carnall V, Caroppo M, Carr S, Carraro G, Carson M, Casares P, Castillo C, Castro C, Caudill B, Cejka V, Ceseri M, Cham L, Chamberlain A, Chambers J, Chan CBT, Chan JYM, Chan YC, Chang E, Chang E, Chant T, Chavagnon T, Chellamuthu P, Chen F, Chen J, Chen P, Chen TM, Chen Y, Chen Y, Cheng C, Cheng H, Cheng MC, Cherney D, Cheung AK, Ching CH, Chitalia N, Choksi R, Chukwu C, Chung K, Cianciolo G, Cipressa L, Clark S, Clarke H, Clarke R, Clarke S, Cleveland B, Cole E, Coles H, Condurache L, Connor A, Convery K, Cooper A, Cooper N, Cooper Z, Cooperman L, Cosgrove L, Coutts P, Cowley A, Craik R, Cui G, Cummins T, Dahl N, Dai H, Dajani L, D'Amelio A, Damian E, Damianik K, Danel L, Daniels C, Daniels T, Darbeau S, Darius H, Dasgupta T, Davies J, Davies L, Davis A, Davis J, Davis L, Dayanandan R, Dayi S, Dayrell R, De Nicola L, Debnath S, Deeb W, Degenhardt S, DeGoursey K, Delaney M, Deo R, DeRaad R, Derebail V, Dev D, Devaux M, Dhall P, Dhillon G, Dienes J, Dobre M, Doctolero E, Dodds V, Domingo D, Donaldson D, Donaldson P, Donhauser C, Donley V, Dorestin S, Dorey S, Doulton T, Draganova D, Draxlbauer K, Driver F, Du H, Dube F, Duck T, Dugal T, Dugas J, Dukka H, Dumann H, Durham W, Dursch M, Dykas R, Easow R, Eckrich E, Eden G, Edmerson E, Edwards H, Ee LW, Eguchi J, Ehrl Y, Eichstadt K, Eid W, Eilerman B, Ejima Y, Eldon H, Ellam T, Elliott L, 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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Valdés-Florido A, Tan L, Maguilla E, Simón-Porcar VI, Zhou YH, Arroyo J, Escudero M. Drivers of diversification in Linum (Linaceae) by means of chromosome evolution: correlations with biogeography, breeding system and habit. Ann Bot 2023; 132:949-962. [PMID: 37738171 PMCID: PMC10808019 DOI: 10.1093/aob/mcad139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 09/18/2023] [Indexed: 09/24/2023]
Abstract
BACKGROUND AND AIMS Chromosome evolution leads to hybrid dysfunction and recombination patterns and has thus been proposed as a major driver of diversification in all branches of the tree of life, including flowering plants. In this study we used the genus Linum (flax species) to evaluate the effects of chromosomal evolution on diversification rates and on traits that are important for sexual reproduction. Linum is a useful study group because it has considerable reproductive polymorphism (heterostyly) and chromosomal variation (n = 6-36) and a complex pattern of biogeographical distribution. METHODS We tested several traditional hypotheses of chromosomal evolution. We analysed changes in chromosome number across the phylogenetic tree (ChromEvol model) in combination with diversification rates (ChromoSSE model), biogeographical distribution, heterostyly and habit (ChromePlus model). KEY RESULTS Chromosome number evolved across the Linum phylogeny from an estimated ancestral chromosome number of n = 9. While there were few apparent incidences of cladogenesis through chromosome evolution, we inferred up to five chromosomal speciation events. Chromosome evolution was not related to heterostyly but did show significant relationships with habit and geographical range. Polyploidy was negatively correlated with perennial habit, as expected from the relative commonness of perennial woodiness and absence of perennial clonality in the genus. The colonization of new areas was linked to genome rearrangements (polyploidy and dysploidy), which could be associated with speciation events during the colonization process. CONCLUSIONS Chromosome evolution is a key trait in some clades of the Linum phylogeny. Chromosome evolution directly impacts speciation and indirectly influences biogeographical processes and important plant traits.
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Affiliation(s)
- Ana Valdés-Florido
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Avenida Reina Mercedes no. 6, 41012, Seville, Spain
| | - Lu Tan
- Panxi Crops Research and Utilization Key Laboratory of Sichuan Province, Xichang University, Xichang, Sichuan, 615000, China
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Enrique Maguilla
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Avenida Reina Mercedes no. 6, 41012, Seville, Spain
- Área de Botánica, Departamento de Biología Molecular e Ingeniería Bioquímica, Universidad Pablo de Olavide, Ctra de Utrera km 1 sn, 41013, Seville, Spain
| | - Violeta I Simón-Porcar
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Avenida Reina Mercedes no. 6, 41012, Seville, Spain
| | - Yong-Hong Zhou
- Triticeae Research Institute, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Juan Arroyo
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Avenida Reina Mercedes no. 6, 41012, Seville, Spain
| | - Marcial Escudero
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Avenida Reina Mercedes no. 6, 41012, Seville, Spain
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Olmedo-Vicente E, Désamoré A, Simón-Porcar VI, Slotte T, Arroyo J. Development of microsatellite markers for sister species Linum suffruticosum and Linum tenuifolium in their overlapping ranges. Mol Biol Rep 2023; 50:7927-7933. [PMID: 37458871 PMCID: PMC10460739 DOI: 10.1007/s11033-023-08471-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 04/17/2023] [Indexed: 08/29/2023]
Abstract
BACKGROUND Microsatellite markers were developed for distylous Linum suffruticosum and tested in the monomorphic sister species Linum tenuifolium. These species are perennial herbs endemic to the western and northwestern Mediterranean, respectively, with a partially overlapping distribution area. METHODS AND RESULTS We developed 12 microsatellite markers for L. suffruticosum using next generation sequencing, and assessed their polymorphism and genetic diversity in 152 individuals from seven natural populations. The markers displayed high polymorphism, with two to 16 alleles per locus and population, and average observed and expected heterozygosities of 0.833 and 0.692, respectively. All loci amplified successfully in the sister species L. tenuifolium, and 150 individuals from seven populations were also screened. The polymorphism exhibited was high, with two to ten alleles per locus and population, and average observed and expected heterozygosities of 0.77 and 0.62, respectively. CONCLUSIONS The microsatellite markers identified in L. suffruticosum and tested in L. tenuifolium are a powerful tool to facilitate future investigations of the population genetics, mating patterns and hybridization between both Linum species in their contact zone.
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Affiliation(s)
| | - Aurélie Désamoré
- Department of Ecology, Environment and Plant Sciences, Science for Life Laboratory, Stockholm University, Stockholm, Sweden
| | | | - Tanja Slotte
- Department of Ecology, Environment and Plant Sciences, Science for Life Laboratory, Stockholm University, Stockholm, Sweden.
| | - Juan Arroyo
- Department of Plant Biology and Ecology, University of Seville, Seville, Spain
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12
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Martín-Hernanz S, Albaladejo RG, Lavergne S, Rubio E, Marín-Rodulfo M, Arroyo J, Aparicio A. Strong conservatism of floral morphology during the rapid diversification of the genus Helianthemum. Am J Bot 2023; 110:e16155. [PMID: 36912727 DOI: 10.1002/ajb2.16155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 02/21/2023] [Accepted: 02/22/2023] [Indexed: 05/16/2023]
Abstract
PREMISE Divergence of floral morphology and breeding systems are often expected to be linked to angiosperm diversification and environmental niche divergence. However, available evidence for such relationships is not generalizable due to different taxonomic, geographical and time scales. The Palearctic genus Helianthemum shows the highest diversity of the family Cistaceae in terms of breeding systems, floral traits, and environmental conditions as a result of three recent evolutionary radiations since the Late Miocene. Here, we investigated the tempo and mode of evolution of floral morphology in the genus and its link with species diversification and environmental niche divergence. METHODS We quantified 18 floral traits from 83 taxa and applied phylogenetic comparative methods using a robust phylogenetic framework based on genotyping-by-sequencing data. RESULTS We found three different floral morphologies, putatively related to three different breeding systems: type I, characterized by small flowers without herkogamy and low pollen to ovule ratio; type II, represented by large flowers with approach herkogamy and intermediate pollen to ovule ratio; and type III, featured by small flowers with reverse herkogamy and the highest pollen to ovule ratio. Each morphology has been highly conserved across each radiation and has evolved independently of species diversification and ecological niche divergence. CONCLUSIONS The combined results of trait, niche, and species diversification ultimately recovered a pattern of potentially non-adaptive radiations in Helianthemum and highlight the idea that evolutionary radiations can be decoupled from floral morphology evolution even in lineages that diversified in heterogeneous environments as the Mediterranean Basin.
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Affiliation(s)
- Sara Martín-Hernanz
- Departamento de Biología Vegetal y Ecología, Facultad de Farmacia, Universidad de Sevilla, Sevilla, Spain
- Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3DS, UK
| | - Rafael G Albaladejo
- Departamento de Biología Vegetal y Ecología, Facultad de Farmacia, Universidad de Sevilla, Sevilla, Spain
| | - Sébastien Lavergne
- Université Grenoble Alpes, Université Savoie Mont Blanc, CNRS, Laboratoire d'Ecologie Alpine (LECA), FR-38000, Grenoble, France
| | - Encarnación Rubio
- Departamento de Biología Vegetal y Ecología, Facultad de Farmacia, Universidad de Sevilla, Sevilla, Spain
| | - Macarena Marín-Rodulfo
- Departamento de Biología Vegetal y Ecología, Facultad de Farmacia, Universidad de Sevilla, Sevilla, Spain
- Departamento de Botánica, Facultad de Ciencias, Universidad de Granada, Granada, Spain
| | - Juan Arroyo
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Sevilla, Spain
| | - Abelardo Aparicio
- Departamento de Biología Vegetal y Ecología, Facultad de Farmacia, Universidad de Sevilla, Sevilla, Spain
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Afonso A, Castro S, Loureiro J, Arroyo J, Figueiredo A, Lopes S, Castro M. Ecological niches in the polyploid complex Linum suffruticosum s.l.. Front Plant Sci 2023; 14:1148828. [PMID: 37152130 PMCID: PMC10154603 DOI: 10.3389/fpls.2023.1148828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 03/29/2023] [Indexed: 05/09/2023]
Abstract
Introduction The high frequency of polyploidy in the evolutionary history of many plant groups occurring in the Mediterranean region is likely a consequence of its dynamic paleogeographic and climatic history. Polyploids frequently have distinct characteristics that allow them to overcome the minority cytotype exclusion. Such traits may enable polyploid individuals to grow in habitats different from their parentals and/or expand to new areas, leading to spatial segregation. Therefore, the successful establishment of polyploid lineages has long been associated with niche divergence or niche partitioning and the ability of polyploids to cope with different, often more stressful, conditions. In this study, we aimed to explore the role of environmental variables associated with the current distribution patterns of cytotypes within the polyploid complex Linum suffruticosum s.l.. Methods The distribution and environmental niches of the five main cytotypes of Linum suffruticosum s.l. (diploids, tetraploids, hexaploids, octoploids and decaploids) were studied across its distribution range. Realized environmental niche of each cytotype was determined using niche modelling tools, such as maximum entropy modelling and niche equivalency and similarity tests. Results Differences in the environmental conditions of L. suffruticosum s.l. cytotypes were observed, with polyploids being associated with habitats of increased drought and soil pH, narrower temperature ranges and decreased soil water and cation exchange capacities. Diploids present the widest environmental niche, and polyploids occupy part of the diploid niche. Although some polyploids have equivalent potential ecological niches, cytotypes do not co-occur in nature. Additionally, the ecological niche of this polyploid complex is different between continents, with North African habitats being characterised by differences in soil texture, higher pH, and low cation exchange capacity, precipitation and soil water capacity and higher temperatures than habitats in southwest Europe. Discussion The different ecological conditions played a role in the distribution of cytotypes, but the mosaic distribution could not be entirely explained by the environmental variables included in this study. Other factors, such as reproductive isolation and competitive interactions among cytotypes, could further explain the current diversity and distribution patterns in white flax. This study provides relevant data on the niche requirements of each cytotype for further competition and reciprocal transplant experiments. further competition and reciprocal transplant experiments.
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Affiliation(s)
- Ana Afonso
- Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Coimbra, Portugal
- *Correspondence: Ana Afonso,
| | - Sílvia Castro
- Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Coimbra, Portugal
| | - João Loureiro
- Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Coimbra, Portugal
| | - Juan Arroyo
- Departamento de Biología Vegetal y Ecología, Universidad de Sevilla, Sevilla, Spain
| | - Albano Figueiredo
- Centre of Studies in Geography and Spatial Planning (CEGOT), Department of Geography and Tourism, University of Coimbra, Coimbra, Portugal
| | - Sara Lopes
- Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Coimbra, Portugal
| | - Mariana Castro
- Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Coimbra, Portugal
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14
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Simón‐Porcar VI, Muñoz‐Pajares AJ, de Castro A, Arroyo J. Direct evidence supporting Darwin's hypothesis of cross-pollination promoted by sex organ reciprocity. New Phytol 2022; 235:2099-2110. [PMID: 35596603 PMCID: PMC9546006 DOI: 10.1111/nph.18266] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 05/09/2022] [Indexed: 05/28/2023]
Abstract
The floral phenotype plays a main role in the attraction and fit of pollinators. Both perianth traits and the positioning of sex organs can be subjected to natural selection and determine nonrandom mating patterns in populations. In stylar-polymorphic species, the Darwinian hypothesis predicts increased mating success between individuals with sex organs at equivalent heights (i.e. with higher reciprocity). We used paternity analyses in experimental populations of a stylar-dimorphic species. By comparing the observed mating patterns with those expected under random mating, we tested the effects of sex organ reciprocity and perianth traits on mating success. We also analysed phenotypic selection on perianth traits through female and male functions. The (dis)similarity of parental perianth traits had no direct effects on the mating patterns. Sex organ reciprocity had a positive effect on mating success. Narrow floral tubes increased this effect in upper sex organs. Perianth traits showed little signs of phenotypic selection. Female and absolute fitness measures resulted in different patterns of phenotypic selection. We provide precise empirical evidence of the Darwinian hypothesis about the functioning of stylar polymorphisms, demonstrating that mating patterns are determined by sex organ reciprocity and only those perianth traits which are critical to pollinator fit.
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Affiliation(s)
| | - A. Jesús Muñoz‐Pajares
- Department of GeneticsUniversity of GranadaE‐18071GranadaSpain
- Research Centre in Biodiversity and Genetic Resources (CIBIO)Campus Agrário de Vairão4485‐661VairãoPortugal
| | - Alejandra de Castro
- Department of Plant Biology and EcologyUniversity of SevilleE‐41080SevilleSpain
| | - Juan Arroyo
- Department of Plant Biology and EcologyUniversity of SevilleE‐41080SevilleSpain
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15
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Curtis K, Clarke D, Hanegan M, Stapley B, Wendt R, Beckett N, Litchfield C, Campbell K, Reynolds P, Arroyo J. Lung Inflammation Is Associated with Preeclampsia Development in the Rat. Cells 2022; 11:1884. [PMID: 35741013 PMCID: PMC9220878 DOI: 10.3390/cells11121884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 06/06/2022] [Accepted: 06/07/2022] [Indexed: 02/01/2023] Open
Abstract
Preeclampsia (PE) is an obstetric complication associated with significant health implications for the fetus and mother. Studies have shown a correlation between lung disease development and PE. Gas6 protein is expressed in the lung and placenta, and binds to the AXL Tyrosine kinase receptor. Recently, our laboratory utilized Gas6 to induce preeclamptic-like conditions in rats. Our objective was to determine the role of Gas6/AXL signaling in the maternal lung during PE development. Briefly, pregnant rats were divided into control, Gas6, or Gas6 + R428 (an AXL inhibitor). Immunofluorescence was performed to determine AXL expression. Bronchoalveolar lavage fluid (BALF) was procured for the assessment of inflammatory cell secretion. Western blot was performed to detect signaling molecules and ELISA determined inflammatory cytokines. We observed increased proteinuria and increased blood pressure in Gas6-treated animals. AXL was increased in the lungs of the treated animals and BALF fluid revealed elevated total protein abundance in Gas6 animals. Extracellular-signal regulated kinase (ERK) and protein kinase B (AKT) signaling in the lung appeared to be mediated by Gas6 as well as the secretion of inflammatory cytokines. We conclude that Gas6 signaling is capable of inducing PE and that this is associated with increased lung inflammation.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Juan Arroyo
- Lung and Placenta Laboratory, Department of Cell Biology and Physiology, Brigham Young University, Provo, UT 84602, USA; (K.C.); (D.C.); (M.H.); (B.S.); (R.W.); (N.B.); (C.L.); (K.C.); (P.R.)
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16
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Norton C, Holmstrom J, Reynolds P, Jenkins T, Arroyo J. Different human placental epigenetics changes in pregnancies affected with preeclampsia and intrauterine growth restriction. FASEB J 2022. [DOI: 10.1096/fasebj.2022.36.s1.r5103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Carter Norton
- Cell Biology and PhysiologyBrigham Young UniversityProvoUT
| | | | - Paul Reynolds
- Cell Biology and PhysiologyBrigham Young UniversityProvoUT
| | - Tim Jenkins
- Cell Biology and PhysiologyBrigham Young UniversityProvoUT
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17
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Jiménez-Lobato V, Escudero M, Lifante ZD, Camacho CA, de Castro A, Arroyo J. Isolation and characterization of microsatellites markers in Centaurium grandiflorum ssp. boissieri. Mol Biol Rep 2021; 48:8249-8253. [PMID: 34643926 DOI: 10.1007/s11033-021-06764-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 09/15/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND Estimating outcrossing/selfing rates and characterizing genetic diversity with microsatellite markers are crucial to understanding the evolution of plant mating systems. METHODS AND RESULTS We developed, optimized and characterized eight new primer pairs for Centaurium grandiflorum ssp. boissieri and transferred them to three subspecies of Centaurium quadrifolium. Two SSR loci were transferred from Sabatia campestris to the four Centaurium taxa. Polymorphisms, He, Ho and H-W deviations were estimated in two populations of C. grandiflorum ssp. boissieri and in seven individuals each of C. quadrifolium ssp. barrelieri, C. quadrifolium ssp. parviflorum and C. quadrifolium ssp. quadrifolium. A total of 80 individuals was used in these experiments. The number of polymorphic loci varied among species from one to ten. A total of 127 alleles was scored. The average number of alleles per locus was 12.7. He was higher than Ho in all sampled populations. Hardy-Weinberg equilibrium was found for some loci in different species. CONCLUSIONS This is the first report of microsatellites successfully amplified in the whole Centaurium genus. They will be valuable for estimating mating system parameters and genetic diversity and exploring their relationships with the wide variation in flower morphology in the genus, especially anther-stigma separation.
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Affiliation(s)
- Vania Jiménez-Lobato
- Laboratorio Nacional de Análisis y Síntesis Ecológica - Campus Costa Grande, Escuela Superior de Desarrollo Sustentable, Universidad Autónoma de Guerrero, Cátedras - CONACYT, Carretera Federal Acapulco - Zihuatanejo, Las Tunas, Tecpan de Galeana, Guerrero, México. .,Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Sevilla, Spain.
| | - Marcial Escudero
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Sevilla, Spain
| | - Zoila Díaz Lifante
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Sevilla, Spain
| | - Cristina Andrés Camacho
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Sevilla, Spain
| | - Alejandra de Castro
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Sevilla, Spain
| | - Juan Arroyo
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Sevilla, Spain
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Chaarani B, Hahn S, Allgaier N, Adise S, Owens MM, Juliano AC, Yuan DK, Loso H, Ivanciu A, Albaugh MD, Dumas J, Mackey S, Laurent J, Ivanova M, Hagler DJ, Cornejo MD, Hatton S, Agrawal A, Aguinaldo L, Ahonen L, Aklin W, Anokhin AP, Arroyo J, Avenevoli S, Babcock D, Bagot K, Baker FC, Banich MT, Barch DM, Bartsch H, Baskin-Sommers A, Bjork JM, Blachman-Demner D, Bloch M, Bogdan R, Bookheimer SY, Breslin F, Brown S, Calabro FJ, Calhoun V, Casey BJ, Chang L, Clark DB, Cloak C, Constable RT, Constable K, Corley R, Cottler LB, Coxe S, Dagher RK, Dale AM, Dapretto M, Delcarmen-Wiggins R, Dick AS, Do EK, Dosenbach NUF, Dowling GJ, Edwards S, Ernst TM, Fair DA, Fan CC, Feczko E, Feldstein-Ewing SW, Florsheim P, Foxe JJ, Freedman EG, Friedman NP, Friedman-Hill S, Fuemmeler BF, Galvan A, Gee DG, Giedd J, Glantz M, Glaser P, Godino J, Gonzalez M, Gonzalez R, Grant S, Gray KM, Haist F, Harms MP, Hawes S, Heath AC, Heeringa S, Heitzeg MM, Hermosillo R, Herting MM, Hettema JM, Hewitt JK, Heyser C, Hoffman E, Howlett K, Huber RS, Huestis MA, Hyde LW, Iacono WG, Infante MA, Irfanoglu O, Isaiah A, Iyengar S, Jacobus J, James R, Jean-Francois B, Jernigan T, Karcher NR, Kaufman A, Kelley B, Kit B, Ksinan A, Kuperman J, Laird AR, Larson C, LeBlanc K, Lessov-Schlagger C, Lever N, Lewis DA, Lisdahl K, Little AR, Lopez M, Luciana M, Luna B, Madden PA, Maes HH, Makowski C, Marshall AT, Mason MJ, Matochik J, McCandliss BD, McGlade E, Montoya I, Morgan G, Morris A, Mulford C, Murray P, Nagel BJ, Neale MC, Neigh G, Nencka A, Noronha A, Nixon SJ, Palmer CE, Pariyadath V, Paulus MP, Pelham WE, Pfefferbaum D, Pierpaoli C, Prescot A, Prouty D, Puttler LI, Rajapaske N, Rapuano KM, Reeves G, Renshaw PF, Riedel MC, Rojas P, de la Rosa M, Rosenberg MD, Ross MJ, Sanchez M, Schirda C, Schloesser D, Schulenberg J, Sher KJ, Sheth C, Shilling PD, Simmons WK, Sowell ER, Speer N, Spittel M, Squeglia LM, Sripada C, Steinberg J, Striley C, Sutherland MT, Tanabe J, Tapert SF, Thompson W, Tomko RL, Uban KA, Vrieze S, Wade NE, Watts R, Weiss S, Wiens BA, Williams OD, Wilbur A, Wing D, Wolff-Hughes D, Yang R, Yurgelun-Todd DA, Zucker RA, Potter A, Garavan HP. Baseline brain function in the preadolescents of the ABCD Study. Nat Neurosci 2021; 24:1176-1186. [PMID: 34099922 PMCID: PMC8947197 DOI: 10.1038/s41593-021-00867-9] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Accepted: 04/30/2021] [Indexed: 02/05/2023]
Abstract
The Adolescent Brain Cognitive Development (ABCD) Study® is a 10-year longitudinal study of children recruited at ages 9 and 10. A battery of neuroimaging tasks are administered biennially to track neurodevelopment and identify individual differences in brain function. This study reports activation patterns from functional MRI (fMRI) tasks completed at baseline, which were designed to measure cognitive impulse control with a stop signal task (SST; N = 5,547), reward anticipation and receipt with a monetary incentive delay (MID) task (N = 6,657) and working memory and emotion reactivity with an emotional N-back (EN-back) task (N = 6,009). Further, we report the spatial reproducibility of activation patterns by assessing between-group vertex/voxelwise correlations of blood oxygen level-dependent (BOLD) activation. Analyses reveal robust brain activations that are consistent with the published literature, vary across fMRI tasks/contrasts and slightly correlate with individual behavioral performance on the tasks. These results establish the preadolescent brain function baseline, guide interpretation of cross-sectional analyses and will enable the investigation of longitudinal changes during adolescent development.
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Affiliation(s)
- B Chaarani
- Department of Psychiatry, University of Vermont, Burlington, VT, USA.
| | - S Hahn
- Department of Psychiatry, University of Vermont, Burlington, VT, USA
| | - N Allgaier
- Department of Psychiatry, University of Vermont, Burlington, VT, USA
| | - S Adise
- Department of Psychiatry, University of Vermont, Burlington, VT, USA
| | - M M Owens
- Department of Psychiatry, University of Vermont, Burlington, VT, USA
| | - A C Juliano
- Department of Psychiatry, University of Vermont, Burlington, VT, USA
| | - D K Yuan
- Department of Psychiatry, University of Vermont, Burlington, VT, USA
| | - H Loso
- Department of Psychiatry, University of Vermont, Burlington, VT, USA
| | - A Ivanciu
- Department of Psychiatry, University of Vermont, Burlington, VT, USA
| | - M D Albaugh
- Department of Psychiatry, University of Vermont, Burlington, VT, USA
| | - J Dumas
- Department of Psychiatry, University of Vermont, Burlington, VT, USA
| | - S Mackey
- Department of Psychiatry, University of Vermont, Burlington, VT, USA
| | - J Laurent
- Department of Psychiatry, University of Vermont, Burlington, VT, USA
| | - M Ivanova
- Department of Psychiatry, University of Vermont, Burlington, VT, USA
| | - D J Hagler
- University of California, San Diego, La Jolla, CA, USA
| | - M D Cornejo
- Institute of Physics UC, Pontificia Universidad Catolica de Chile, Pontificia, Chile
| | - S Hatton
- University of California, San Diego, La Jolla, CA, USA
| | - A Agrawal
- Department of Psychiatry, Washington University in Saint Louis, St. Louis, MO, USA
| | - L Aguinaldo
- University of California, San Diego, La Jolla, CA, USA
| | - L Ahonen
- University of Pittsburgh, Pittsburgh, PA, USA
| | - W Aklin
- National Institute on Drug Abuse, Bethesda, MD, USA
| | - A P Anokhin
- Department of Psychiatry, Washington University in Saint Louis, St. Louis, MO, USA
| | - J Arroyo
- National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, USA
| | - S Avenevoli
- National Institute of Mental Health, Bethesda, MD, USA
| | - D Babcock
- National Institute of Neurological Disorders and Stroke, Bethesda, MD, USA
| | - K Bagot
- Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - F C Baker
- SRI International, Menlo Park, CA, USA
| | - M T Banich
- University of Colorado, Boulder, CO, USA
| | - D M Barch
- Department of Psychiatry, Washington University in Saint Louis, St. Louis, MO, USA
| | - H Bartsch
- Haukeland University Hospital, Bergen, Norway
| | | | - J M Bjork
- Virginia Commonwealth University, Richmond, VA, USA
| | - D Blachman-Demner
- NIH Office of Behavioral and Social Sciences Research, Bethesda, MD, USA
| | - M Bloch
- National Cancer Institute, Bethesda, MD, USA
| | - R Bogdan
- Department of Psychiatry, Washington University in Saint Louis, St. Louis, MO, USA
| | | | - F Breslin
- Laureate Institute for Brain Research, Tulsa, OK, USA
| | - S Brown
- University of California, San Diego, La Jolla, CA, USA
| | - F J Calabro
- University of Pittsburgh, Pittsburgh, PA, USA
| | - V Calhoun
- University of Colorado, Boulder, CO, USA
- Tri-institutional Center for Translational Research in Neuroimaging and Data Science, Georgia State University, Georgia Institute of Technology, Emory University, Atlanta, GA, USA
| | | | - L Chang
- University of Maryland School of Medicine, Baltimore, MD, USA
| | - D B Clark
- University of Pittsburgh, Pittsburgh, PA, USA
| | - C Cloak
- University of Maryland School of Medicine, Baltimore, MD, USA
| | | | - K Constable
- National Institute on Drug Abuse, Bethesda, MD, USA
| | - R Corley
- University of Colorado, Boulder, CO, USA
| | | | - S Coxe
- Florida International University, Miami, FL, USA
| | - R K Dagher
- National Institute on Minority Health and Health Disparities, Bethesda, MD, USA
| | - A M Dale
- University of California, San Diego, La Jolla, CA, USA
| | - M Dapretto
- University of California, Los Angeles, CA, USA
| | | | - A S Dick
- Florida International University, Miami, FL, USA
| | - E K Do
- Virginia Commonwealth University, Richmond, VA, USA
| | - N U F Dosenbach
- Department of Psychiatry, Washington University in Saint Louis, St. Louis, MO, USA
| | - G J Dowling
- National Institute on Drug Abuse, Bethesda, MD, USA
| | - S Edwards
- University of Maryland School of Medicine, Baltimore, MD, USA
| | - T M Ernst
- University of Maryland School of Medicine, Baltimore, MD, USA
| | - D A Fair
- Oregon Health & Science University, Portland, OR, USA
| | - C C Fan
- Department of Psychiatry, Washington University in Saint Louis, St. Louis, MO, USA
| | - E Feczko
- Oregon Health & Science University, Portland, OR, USA
| | | | | | - J J Foxe
- University of Rochester, Rochester, NY, USA
| | | | | | | | | | - A Galvan
- University of California, Los Angeles, CA, USA
| | - D G Gee
- Yale University, New Haven, CT, USA
| | - J Giedd
- University of California, San Diego, La Jolla, CA, USA
| | - M Glantz
- National Institute on Drug Abuse, Bethesda, MD, USA
| | - P Glaser
- Department of Psychiatry, Washington University in Saint Louis, St. Louis, MO, USA
| | - J Godino
- University of California, San Diego, La Jolla, CA, USA
| | - M Gonzalez
- Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - R Gonzalez
- Florida International University, Miami, FL, USA
| | - S Grant
- National Institute on Drug Abuse, Bethesda, MD, USA
| | - K M Gray
- Medical University of South Carolina, Charleston, SC, USA
| | - F Haist
- University of California, San Diego, La Jolla, CA, USA
| | - M P Harms
- Department of Psychiatry, Washington University in Saint Louis, St. Louis, MO, USA
| | - S Hawes
- Florida International University, Miami, FL, USA
| | - A C Heath
- University of California, San Diego, La Jolla, CA, USA
| | - S Heeringa
- University of Michigan, Ann Arbor, MI, USA
| | | | - R Hermosillo
- Oregon Health & Science University, Portland, OR, USA
| | - M M Herting
- University of Southern California, Los Angeles, CA, USA
| | - J M Hettema
- Virginia Commonwealth University, Richmond, VA, USA
| | - J K Hewitt
- University of Colorado, Boulder, CO, USA
| | - C Heyser
- University of California, San Diego, La Jolla, CA, USA
| | - E Hoffman
- National Institute on Drug Abuse, Bethesda, MD, USA
| | - K Howlett
- National Institute on Drug Abuse, Bethesda, MD, USA
| | - R S Huber
- University of Utah, Salt Lake City, UT, USA
| | - M A Huestis
- Thomas Jefferson University, Philadelphia, PA, USA
| | - L W Hyde
- University of Michigan, Ann Arbor, MI, USA
| | - W G Iacono
- University of Minnesota, Minneapolis, MN, USA
| | - M A Infante
- University of California, San Diego, La Jolla, CA, USA
| | - O Irfanoglu
- National Institute of Biomedical Imaging and Bioengineering, Bethesda, MD, USA
| | - A Isaiah
- University of Maryland School of Medicine, Baltimore, MD, USA
| | - S Iyengar
- National Endowment for the Arts, Washington DC, USA
| | - J Jacobus
- University of California, San Diego, La Jolla, CA, USA
| | - R James
- Virginia Commonwealth University, Richmond, VA, USA
| | - B Jean-Francois
- National Institute on Minority Health and Health Disparities, Bethesda, MD, USA
| | - T Jernigan
- University of California, San Diego, La Jolla, CA, USA
| | - N R Karcher
- Department of Psychiatry, Washington University in Saint Louis, St. Louis, MO, USA
| | - A Kaufman
- National Cancer Institute, Bethesda, MD, USA
| | - B Kelley
- National Institute of Justice, Washington DC, USA
| | - B Kit
- National Heart, Lung, and Blood Institute, Bethesda, MD, USA
| | - A Ksinan
- Virginia Commonwealth University, Richmond, VA, USA
| | - J Kuperman
- University of California, San Diego, La Jolla, CA, USA
| | - A R Laird
- Florida International University, Miami, FL, USA
| | - C Larson
- University of Wisconsin, Milwaukee, WI, USA
| | - K LeBlanc
- National Institute on Drug Abuse, Bethesda, MD, USA
| | - C Lessov-Schlagger
- Department of Psychiatry, Washington University in Saint Louis, St. Louis, MO, USA
| | - N Lever
- University of Maryland School of Medicine, Baltimore, MD, USA
| | - D A Lewis
- University of Pittsburgh, Pittsburgh, PA, USA
| | - K Lisdahl
- University of Wisconsin, Milwaukee, WI, USA
| | - A R Little
- National Institute on Drug Abuse, Bethesda, MD, USA
| | - M Lopez
- National Institute on Drug Abuse, Bethesda, MD, USA
| | - M Luciana
- University of Minnesota, Minneapolis, MN, USA
| | - B Luna
- University of Pittsburgh, Pittsburgh, PA, USA
| | - P A Madden
- Department of Psychiatry, Washington University in Saint Louis, St. Louis, MO, USA
| | - H H Maes
- Virginia Commonwealth University, Richmond, VA, USA
| | - C Makowski
- University of California, San Diego, La Jolla, CA, USA
| | - A T Marshall
- Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - M J Mason
- University of Tennessee, Knoxville, TN, USA
| | - J Matochik
- National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, USA
| | | | - E McGlade
- University of Utah, Salt Lake City, UT, USA
| | - I Montoya
- National Institute on Drug Abuse, Bethesda, MD, USA
| | - G Morgan
- National Cancer Institute, Bethesda, MD, USA
| | - A Morris
- Oklahoma State University, Stillwater, OK, USA
| | - C Mulford
- National Institute on Drug Abuse, Bethesda, MD, USA
| | - P Murray
- National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, USA
| | - B J Nagel
- Oregon Health & Science University, Portland, OR, USA
| | - M C Neale
- Virginia Commonwealth University, Richmond, VA, USA
| | - G Neigh
- Virginia Commonwealth University, Richmond, VA, USA
| | - A Nencka
- Medical College of Wisconsin, Milwaukee, WI, USA
| | - A Noronha
- National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, USA
| | - S J Nixon
- University of Florida, Gainesville, FL, USA
| | - C E Palmer
- University of California, San Diego, La Jolla, CA, USA
| | - V Pariyadath
- National Institute on Drug Abuse, Bethesda, MD, USA
| | - M P Paulus
- Laureate Institute for Brain Research, Tulsa, OK, USA
| | - W E Pelham
- Florida International University, Miami, FL, USA
| | | | - C Pierpaoli
- Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD, USA
| | - A Prescot
- University of Utah, Salt Lake City, UT, USA
| | - D Prouty
- SRI International, Menlo Park, CA, USA
| | | | - N Rajapaske
- National Institute on Minority Health and Health Disparities, Bethesda, MD, USA
| | | | - G Reeves
- University of Maryland School of Medicine, Baltimore, MD, USA
| | | | - M C Riedel
- Florida International University, Miami, FL, USA
| | - P Rojas
- Florida International University, Miami, FL, USA
| | - M de la Rosa
- Florida International University, Miami, FL, USA
| | | | - M J Ross
- University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - M Sanchez
- Florida International University, Miami, FL, USA
| | - C Schirda
- University of Pittsburgh, Pittsburgh, PA, USA
| | - D Schloesser
- NIH Office of Behavioral and Social Sciences Research, Bethesda, MD, USA
| | | | - K J Sher
- University of Missouri, Columbia, MO, USA
| | - C Sheth
- University of Utah, Salt Lake City, UT, USA
| | - P D Shilling
- University of California, San Diego, La Jolla, CA, USA
| | - W K Simmons
- Laureate Institute for Brain Research, Tulsa, OK, USA
| | - E R Sowell
- Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - N Speer
- University of Colorado, Boulder, CO, USA
| | - M Spittel
- NIH Office of Behavioral and Social Sciences Research, Bethesda, MD, USA
| | - L M Squeglia
- Medical University of South Carolina, Charleston, SC, USA
| | - C Sripada
- University of Michigan, Ann Arbor, MI, USA
| | - J Steinberg
- Virginia Commonwealth University, Richmond, VA, USA
| | - C Striley
- University of Florida, Gainesville, FL, USA
| | | | - J Tanabe
- University of Colorado, Boulder, CO, USA
| | - S F Tapert
- University of California, San Diego, La Jolla, CA, USA
| | - W Thompson
- University of California, San Diego, La Jolla, CA, USA
| | - R L Tomko
- Medical University of South Carolina, Charleston, SC, USA
| | - K A Uban
- University of California, Irvine, CA, USA
| | - S Vrieze
- University of Minnesota, Minneapolis, MN, USA
| | - N E Wade
- University of California, San Diego, La Jolla, CA, USA
| | - R Watts
- Yale University, New Haven, CT, USA
| | - S Weiss
- National Institute on Drug Abuse, Bethesda, MD, USA
| | - B A Wiens
- University of Florida, Gainesville, FL, USA
| | - O D Williams
- Florida International University, Miami, FL, USA
| | - A Wilbur
- SRI International, Menlo Park, CA, USA
| | - D Wing
- University of California, San Diego, La Jolla, CA, USA
| | - D Wolff-Hughes
- NIH Office of Behavioral and Social Sciences Research, Bethesda, MD, USA
| | - R Yang
- University of California, San Diego, La Jolla, CA, USA
| | | | - R A Zucker
- University of Michigan, Ann Arbor, MI, USA
| | - A Potter
- Department of Psychiatry, University of Vermont, Burlington, VT, USA
| | - H P Garavan
- Department of Psychiatry, University of Vermont, Burlington, VT, USA.
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19
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Cheikh Albassatneh M, Escudero M, Monnet A, Arroyo J, Bacchetta G, Bagnoli F, Dimopoulos P, Hampe A, Leriche A, Médail F, Nikolic T, Ponger L, Vendramin GG, Fady B. Spatial patterns of genus‐level phylogenetic endemism in the tree flora of Mediterranean Europe. DIVERS DISTRIB 2021. [DOI: 10.1111/ddi.13241] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Affiliation(s)
- Marwan Cheikh Albassatneh
- Institut de Systématique, Evolution, Biodiversité (ISYEB) Muséum national d’Histoire naturelle (MNHN), CNRS, Sorbonne Université, EPHE, Université des Antilles Paris France
- Aix Marseille Université, Avignon Université, CNRS, IRD IMBE Aix‐en‐Provence France
- Institute of Ecology and Environmental Sciences Sorbonne University Paris France
| | - Marcial Escudero
- Department of Plant Biology and Ecology University of Seville Seville Spain
| | - Anne‐Christine Monnet
- Institut de Systématique, Evolution, Biodiversité (ISYEB) Muséum national d’Histoire naturelle (MNHN), CNRS, Sorbonne Université, EPHE, Université des Antilles Paris France
- Aix Marseille Université, Avignon Université, CNRS, IRD IMBE Aix‐en‐Provence France
| | - Juan Arroyo
- Department of Plant Biology and Ecology University of Seville Seville Spain
| | - Gianluigi Bacchetta
- Department of Life and Environmental Sciences University of Cagliari Cagliari Italy
| | | | | | - Arndt Hampe
- BIOGECO INRAE, Bordeaux University Cestas France
| | - Agathe Leriche
- Aix Marseille Université, Avignon Université, CNRS, IRD IMBE Aix‐en‐Provence France
| | - Frédéric Médail
- Aix Marseille Université, Avignon Université, CNRS, IRD IMBE Aix‐en‐Provence France
| | - Toni Nikolic
- Department of Botany Faculty of Science University of Zagreb Zagreb Croatia
| | - Loïc Ponger
- Structure et Instabilité des Génomes "Muséum National d'Histoire Naturelle" (MNHN), CNRS Paris France
| | | | - Bruno Fady
- Ecology of Mediterranean Forests (URFM) INRAE Avignon France
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20
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Saito J, Saito E, Arroyo J, Reynolds P, Jenkins T, Bikman B. Exposure to e‐cigarette smoke enhances sperm mitochondrial respiration in mature mice. FASEB J 2021. [DOI: 10.1096/fasebj.2021.35.s1.04897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jeremy Saito
- Department of Physiology & Developmental BiologyBrigham Young UniversityProvoUT
| | - Erin Saito
- Department of Physiology & Developmental BiologyBrigham Young UniversityProvoUT
| | - Juan Arroyo
- Physiology & Developmental BiologyBrigham Young UniversityProvoUT
| | - Paul Reynolds
- Physiology & Developmental BiologyBrigham Young UniversityProvoUT
| | - Timothy Jenkins
- Physiology & Developmental BiologyBrigham Young UniversityProvoUT
| | - Benjamin Bikman
- Physiology & Developmental BiologyBrigham Young UniversityProvoUT
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21
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Tsai K, Tullis B, Jensen T, Graff T, Reynolds P, Arroyo J. Differential expression of mTOR related molecules in the placenta from gestational diabetes mellitus (GDM), intrauterine growth restriction (IUGR) and preeclampsia patients. Reprod Biol 2021; 21:100503. [PMID: 33826986 DOI: 10.1016/j.repbio.2021.100503] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 03/16/2021] [Accepted: 03/19/2021] [Indexed: 02/07/2023]
Abstract
The mechanistic target of rapamycin (mTOR) pathway is involved in the function and growth of the placenta during pregnancy. The mTOR pathway responds to nutrient availability and growth factors that regulate protein expression and cell growth. Disrupted mTOR signaling is associated with the development of several obstetric complications. The purpose of this study was to identify the differential placental expression of various mTOR-associated proteins in the placenta during normal gestation (Control), gestational diabetes mellitus (GDM), intrauterine growth restriction (IUGR) and preeclampsia (PE). Immunohistochemistry localized activated proteins (phospho; p) mTOR, pp70, p4EBP1, pAKT and pERK. Real-time PCR array was performed to show differing placental expression of additional mTOR-associated genes. Western blot was performed for pAMPK protein. We observed: 1) increased pmTOR during GDM and decreased pmTOR during IUGR and PE, 2) increased pp70 during IUGR and decreased pp70 during GDM and PE, 3) increased p4EBP1 during GDM, IUGR, and PE, 4) increased pAKT during GDM, 5) increased pERK during IUGR, 6) differential placental expression of mTOR pathway associated genes and increased pAMPK during GDM and PE. We conclude that regulation of the mTOR pathway is uniquely involved in the development of these obstetric complications. Insights into this pathway may provide avenues that if modify may help alleviate these diseases.
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Affiliation(s)
- Kary Tsai
- Lung and Placenta Research Laboratory, Brigham Young University, Department of Physiology and Developmental Biology, Provo, UT, USA
| | - Benton Tullis
- Lung and Placenta Research Laboratory, Brigham Young University, Department of Physiology and Developmental Biology, Provo, UT, USA
| | - Tyler Jensen
- Lung and Placenta Research Laboratory, Brigham Young University, Department of Physiology and Developmental Biology, Provo, UT, USA
| | - Taylor Graff
- Lung and Placenta Research Laboratory, Brigham Young University, Department of Physiology and Developmental Biology, Provo, UT, USA
| | - Paul Reynolds
- Lung and Placenta Research Laboratory, Brigham Young University, Department of Physiology and Developmental Biology, Provo, UT, USA
| | - Juan Arroyo
- Lung and Placenta Research Laboratory, Brigham Young University, Department of Physiology and Developmental Biology, Provo, UT, USA.
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22
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Bojorquez I, Cabieses B, Arósquipa C, Arroyo J, Novella AC, Knipper M, Orcutt M, Sedas AC, Rojas K. Migration and health in Latin America during the COVID-19 pandemic and beyond. Lancet 2021; 397:1243-1245. [PMID: 33812478 PMCID: PMC9753767 DOI: 10.1016/s0140-6736(21)00629-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 03/05/2021] [Indexed: 11/22/2022]
Affiliation(s)
- Ietza Bojorquez
- Department of Population Studies, El Colegio de la Frontera Norte, Tijuana, CP 22560, Mexico.
| | - Báltica Cabieses
- Instituto de Ciencias e Innovación en Medicina, Universidad del Desarrollo, Las Condes, Santiago, Chile
| | | | - Juan Arroyo
- Pontificia Universidad Católica del Perú, Lima, Perú
| | | | - Michael Knipper
- Institute for the History of Medicine, University Justus Liebig Giessen, Giessen, Germany
| | - Miriam Orcutt
- Institute for Global Health, University College London, London, UK
| | - Ana Cristina Sedas
- Department of Global Health and Social Medicine, Harvard Medical School, Boston, MA, USA
| | - Karol Rojas
- Universidad de Costa Rica, San José, Mercedes, Costa Rica
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23
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Monnet AC, Cilleros K, Médail F, Albassatneh MC, Arroyo J, Bacchetta G, Bagnoli F, Barina Z, Cartereau M, Casajus N, Dimopoulos P, Domina G, Doxa A, Escudero M, Fady B, Hampe A, Matevski V, Misfud S, Nikolic T, Pavon D, Roig A, Barea ES, Spanu I, Strid A, Vendramin GG, Leriche A. WOODIV, a database of occurrences, functional traits, and phylogenetic data for all Euro-Mediterranean trees. Sci Data 2021; 8:89. [PMID: 33758194 PMCID: PMC7988049 DOI: 10.1038/s41597-021-00873-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 02/17/2021] [Indexed: 01/31/2023] Open
Abstract
Trees play a key role in the structure and function of many ecosystems worldwide. In the Mediterranean Basin, forests cover approximately 22% of the total land area hosting a large number of endemics (46 species). Despite its particularities and vulnerability, the biodiversity of Mediterranean trees is not well known at the taxonomic, spatial, functional, and genetic levels required for conservation applications. The WOODIV database fills this gap by providing reliable occurrences, four functional traits (plant height, seed mass, wood density, and specific leaf area), and sequences from three DNA-regions (rbcL, matK, and trnH-psbA), together with modelled occurrences and a phylogeny for all 210 Euro-Mediterranean tree species. We compiled, homogenized, and verified occurrence data from sparse datasets and collated them on an INSPIRE-compliant 10 × 10 km grid. We also gathered functional trait and genetic data, filling existing gaps where possible. The WOODIV database can benefit macroecological studies in the fields of conservation, biogeography, and community ecology.
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Affiliation(s)
- Anne-Christine Monnet
- Aix Marseille Univ, Avignon Univ, CNRS, IRD, IMBE. Technopôle de l'Arbois-Méditerranée, cedex 4, BP 80, 13 545, Aix-en-Provence, France.
| | - Kévin Cilleros
- Aix Marseille Univ, Avignon Univ, CNRS, IRD, IMBE. Technopôle de l'Arbois-Méditerranée, cedex 4, BP 80, 13 545, Aix-en-Provence, France
| | - Frédéric Médail
- Aix Marseille Univ, Avignon Univ, CNRS, IRD, IMBE. Technopôle de l'Arbois-Méditerranée, cedex 4, BP 80, 13 545, Aix-en-Provence, France
| | - Marwan Cheikh Albassatneh
- Institut de Systématique, Evolution, Biodiversité (ISYEB), Muséum national d'Histoire naturelle (MNHN), CNRS, Sorbonne Université, EPHE, Université des Antilles, Paris, France
| | - Juan Arroyo
- Department of Plant Biology and Ecology, University of Seville, Seville, Spain
| | - Gianluigi Bacchetta
- Department of Life and Environmental Sciences, University of Cagliari, Viale Sant'Ignazio da Laconi 13, Cagliari, Italy
| | - Francesca Bagnoli
- National Research Council, Institute of Biosciences and Bioresources, 50019, Sesto Fiorentino, (FI), Italy
| | - Zoltán Barina
- Department of Botany, Hungarian Natural History Museum, Pf. 137, Budapest, 1431, Hungary
| | - Manuel Cartereau
- Aix Marseille Univ, Avignon Univ, CNRS, IRD, IMBE. Technopôle de l'Arbois-Méditerranée, cedex 4, BP 80, 13 545, Aix-en-Provence, France
| | - Nicolas Casajus
- FRB-CESAB, 5 rue de l'Ecole de Médecine, 34000, Montpellier, France
| | - Panayotis Dimopoulos
- Department of Biology, Laboratory of Botany, University of Patras, 26504, Patras, Greece
| | - Gianniantonio Domina
- Department of Agriculture, Food and Forest Sciences, University of Palermo, Viale delle Scienze bldg. 4, 90128, Palermo, Italy
| | - Aggeliki Doxa
- Aix Marseille Univ, Avignon Univ, CNRS, IRD, IMBE. Technopôle de l'Arbois-Méditerranée, cedex 4, BP 80, 13 545, Aix-en-Provence, France
- Statistical Learning Lab, Institute of Applied and Computational Mathematics, Foundation for Research and Technology-Hellas (FORTH), Ν. Plastira 100, Vassilika Vouton, GR - 700 13, Heraklion, Crete, Greece
| | - Marcial Escudero
- Department of Plant Biology and Ecology, University of Seville, Seville, Spain
| | - Bruno Fady
- INRAE, UR629, Ecologie des forêts méditerranéennes, Avignon, France
| | - Arndt Hampe
- INRAE, Univ. Bordeaux, BIOGECO, F-33610, Cestas, France
| | - Vlado Matevski
- Macedonian Academy of Sciences and Arts, Krste Misirkov 2, 1000, Skopje, Republic of Macedonia
| | - Stephen Misfud
- EcoGozo, Regional Development Directorate - Ministry for Gozo, Flat 6, Sunset Court B, Triq Marsalforn, Xaghra, Gozo, Malta
| | - Toni Nikolic
- Department of Botany, Faculty of Science, University of Zagreb, Zagreb, Croatia
| | - Daniel Pavon
- Aix Marseille Univ, Avignon Univ, CNRS, IRD, IMBE. Technopôle de l'Arbois-Méditerranée, cedex 4, BP 80, 13 545, Aix-en-Provence, France
| | - Anne Roig
- INRAE, UR629, Ecologie des forêts méditerranéennes, Avignon, France
| | | | - Ilaria Spanu
- National Research Council, Institute of Biosciences and Bioresources, 50019, Sesto Fiorentino, (FI), Italy
| | | | | | - Agathe Leriche
- Aix Marseille Univ, Avignon Univ, CNRS, IRD, IMBE. Technopôle de l'Arbois-Méditerranée, cedex 4, BP 80, 13 545, Aix-en-Provence, France.
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24
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Maguilla E, Escudero M, Jiménez-Lobato V, Díaz-Lifante Z, Andrés-Camacho C, Arroyo J. Polyploidy Expands the Range of Centaurium (Gentianaceae). Front Plant Sci 2021; 12:650551. [PMID: 33777084 PMCID: PMC7988210 DOI: 10.3389/fpls.2021.650551] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 02/17/2021] [Indexed: 06/12/2023]
Abstract
The Mediterranean region is one of the most important worldwide hotspots in terms of number of species and endemism, and multiple hypotheses have been proposed to explain how diversification occurred in this area. The contribution of different traits to the diversification process has been evaluated in different groups of plants. In the case of Centaurium (Gentianaceae), a genus with a center of diversity placed in the Mediterranean region, polyploidy seems to have been an important driver of diversification as more than half of species are polyploids. Moreover, ploidy levels are strongly geographically structured across the range of the genus, with tetraploids distributed towards more temperate areas in the north and hexaploids in more arid areas towards the south. We hypothesize that the diversification processes and biodiversity patterns in Centaurium are explained by the coupled formation of polyploid lineages and the colonization of different areas. A MCC tree from BEAST2 based on three nuclear DNA regions of a total of 26 taxa (full sampling, of 18 species and 8 subspecies) was used to perform ancestral area reconstruction analysis in "BioGeoBEARS." Chromosome evolution was analyzed in chromEvol and diversification in BAMM to estimate diversification rates. Our results suggest that two major clades diverged early from the common ancestor, one most likely in the western Mediterranean and the other in a widespread area including west and central Asia (but with high uncertainty in the exact composition of this widespread area). Most ancestral lineages in the western clade remained in or around the western Mediterranean, and dispersal to other areas (mainly northward and eastward), occurred at the tips. Contrarily, most ancestral lineages in the widespread clade had larger ancestral areas. Polyploidization events in the western clade occurred at the tips of the phylogeny (with one exception of a polyploidization event in a very shallow node) and were mainly tetraploid, while polyploidization events occurred in the widespread clade were at the tips and in an ancestral node of the phylogeny, and were mainly hexaploid. We show how ancestral diploid lineages remained in the area of origin, whereas recent and ancestral polyploidization could have facilitated colonization and establishment in other areas.
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Affiliation(s)
- Enrique Maguilla
- Departamento de Biología Vegetal y Ecología, Universidad de Sevilla, Seville, Spain
| | - Marcial Escudero
- Departamento de Biología Vegetal y Ecología, Universidad de Sevilla, Seville, Spain
| | - Vania Jiménez-Lobato
- Laboratorio Nacional de Análisis y Síntesis Ecológica, Escuela Superior de Desarrollo Sustentable, Universidad Autónoma de Guerrero – CONACYT, Chilpancingo de los Bravo, Mexico
| | - Zoila Díaz-Lifante
- Departamento de Biología Vegetal y Ecología, Universidad de Sevilla, Seville, Spain
| | | | - Juan Arroyo
- Departamento de Biología Vegetal y Ecología, Universidad de Sevilla, Seville, Spain
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Gefaell J, Prieto T, Abdelaziz M, Álvarez I, Antón J, Arroyo J, Bella JL, Botella M, Bugallo A, Claramonte V, Gijón J, Lizarte E, Maroto RM, Megías M, Milá B, Ramón C, Vila M, Rolán-Alvarez E. Acceptance and knowledge of evolutionary theory among third-year university students in Spain. PLoS One 2020; 15:e0238345. [PMID: 32881957 PMCID: PMC7470367 DOI: 10.1371/journal.pone.0238345] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 08/04/2020] [Indexed: 11/18/2022] Open
Abstract
The theory of evolution is one of the greatest scientific achievements in the intellectual history of humankind, yet it is still contentious within certain social groups. Despite being as robust and evidence-based as any other notable scientific theory, some people show a strong reluctance to accept it. In this study, we used the Measure of Acceptance of the Theory of Evolution (MATE) and Knowledge of Evolution Exam (KEE) questionnaires with university students from four academic degree programs (Chemistry, English, History, and Biology) of ten universities from Spain to measure, respectively, acceptance and knowledge of evolutionary theory among third-year undergraduate students (nMATE = 978; nKEE = 981). Results show that acceptance of evolution is relatively high (87.2%), whereas knowledge of the theory is moderate (5.4 out of 10) although there are differences across degrees (Biology>Chemistry>History>English), and even among various universities (ranging from 4.71 to 5.81). Statistical analysis reveals that knowledge of evolutionary theory among Biology students is partially explained by the relative weight of evolutionary themes within the curriculum, suggesting that an increase in the number of hours dedicated to this topic could have a direct influence on students’ knowledge of it. We also found that religion may have a significant—although relatively small—negative influence on evolutionary theory acceptance. The moderate knowledge of evolution in our undergraduate students, together with the potential problem of acceptance in certain groups, suggests the need for a revision of the evolutionary concepts in the teaching curricula of our students since primary school.
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Affiliation(s)
- Juan Gefaell
- Facultade de Bioloxía, Universidade de Vigo, Campus de Vigo, Vigo, Spain
| | - Tamara Prieto
- Centro de Investigacións Biomédicas (CINBIO), Universidade de Vigo, Campus de Vigo, Vigo, Spain
| | - Mohamed Abdelaziz
- Departamento de Genética, Universidad de Granada, Avda Fuentenueva, Granada, Spain
| | - Inés Álvarez
- Real Jardín Botánico, Consejo Superior de Investigaciones Científicas (CSIC), Pza. de Murillo, Madrid, Spain
| | - Josefa Antón
- Departamento de Fisiología, Genética y Microbiología, Universidad de Alicante, Apdo., Alicante, Spain
| | - Juan Arroyo
- Departamento de Biología Vegetal y Ecología, Universidad de Sevilla, Sevilla, Spain
| | - Jose L. Bella
- Departamento de Biología (Genética), Facultad de Ciencias, Universidad Autónoma de Madrid, Madrid, Spain
| | - Miguel Botella
- Departamento de Medicina Legal, Toxicología y Antropología Física, Universidad de Granada, Parque Tecnológico de la Salud, Av. de la Investigación, Granada, Spain
| | - Anxela Bugallo
- Departamento de Pedagogía y Didáctica, Universidade da Coruña, Campus de Elviña, A Coruña, Spain
| | - Vicente Claramonte
- Unidad Docente de Lógica y Filosofía de la Ciencia, Departamento de Filosofía, Facultad de Filosofía y Ciencias de la Educación, Universitat de València, Valencia, Spain
| | - José Gijón
- Departamento de Didáctica y Organización Escolar, Universidad de Granada, Campus de Cartuja, Granada, Spain
| | - Emilio Lizarte
- Departamento de Didáctica y Organización Escolar, Universidad de Granada, Campus de Cartuja, Granada, Spain
| | - Rosa M. Maroto
- Departamento de Medicina Legal, Toxicología y Antropología Física, Universidad de Granada, Parque Tecnológico de la Salud, Av. de la Investigación, Granada, Spain
| | - Manuel Megías
- Facultade de Bioloxía, Universidade de Vigo, Campus de Vigo, Vigo, Spain
| | - Borja Milá
- Museo Nacional de Ciencias Naturales, Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain
| | - Cori Ramón
- Departament de Biología, Universitat de les Illes Balears, Palma de Mallorca, Carretera de Valldemossa, Illes Balears, Spain
| | - Marta Vila
- Departamento de Bioloxía, Facultade de Ciencias, Universidade da Coruña, Campus da Zapateira, A Coruña, Spain
| | - Emilio Rolán-Alvarez
- Facultade de Bioloxía, Universidade de Vigo, Campus de Vigo, Vigo, Spain
- * E-mail:
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Hirschi-Budge K, Tsai KY, McCusker HG, Homer K, Rock S, Davis T, Llavina S, Fowers R, Long M, Jensen T, Arroyo J, Graff T, Reynolds PR. Acute eCig Vapor or SHS Exposure Induces Inflammatory Signaling in the Adult Murine Lung. FASEB J 2020. [DOI: 10.1096/fasebj.2020.34.s1.04232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Tsai K, Hirschi-Budge KM, Davis T, Llavina S, Fowers R, Reynolds PR, Arroyo J. Co‐expression of placental RAGE and g‐H2AX during intrauterine growth restriction and preeclampsia in rodents. FASEB J 2020. [DOI: 10.1096/fasebj.2020.34.s1.04261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Hirschi-Budge KM, Tsai KY, Llavina S, Hill J, Arroyo J, Reynolds PR. RNA Sequencing of Gas6 induced Preeclamptic Rat Placenta. FASEB J 2020. [DOI: 10.1096/fasebj.2020.34.s1.04200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Tsai K, Hirschi-Budge KM, Davis T, Llavina S, Tullis B, Jones N, Fowers R, Graff T, Reynolds PR, Arroyo J. RAGE and phospho‐ATM correlation during DNA Double Strand Breaks in trophoblast cells. FASEB J 2020. [DOI: 10.1096/fasebj.2020.34.s1.04273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Siquier-Coll J, Bartolomé I, Perez-Quintero M, Grijota FJ, Arroyo J, Muñoz D, Maynar-Mariño M. Serum, erythrocyte and urinary concentrations of iron, copper, selenium and zinc do not change during an incremental test to exhaustion in either normothermic or hyperthermic conditions. J Therm Biol 2019; 86:102425. [PMID: 31789222 DOI: 10.1016/j.jtherbio.2019.102425] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Revised: 09/11/2019] [Accepted: 09/29/2019] [Indexed: 10/25/2022]
Abstract
AIM The aim of this study was to evaluate the effect of the performance of an incremental exercise test until exhaustion in normothermic and hyperthermic conditions on serum, erythrocyte and urine concentrations of Iron (Fe), Copper (Cu), Selenium (Se) and Zinc (Zn). METHODS Nineteen adult males (age: 22.58 ± 1.06 years) performed two maximum incremental exercise tests on a cycloergometer in normothermia (22 ± 2 °C) and hyperthermia (42±2 °C) separated by 48 h. Urine, serum and erythrocyte samples were collected before and after each test. RESULTS Serum Se (p < 0.01) and Cu (p < 0.05) levels were altered after each test, but the significance disappeared with the correction for haematocrit. The rest of the values did not undergo alterations in either condition. CONCLUSIONS It seems that a higher stimulus is necessary to obtain changes in these minerals. The study reveals the need to correct serum concentrations concerning possible changes in these volumes after an acute effort.
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Affiliation(s)
- J Siquier-Coll
- Department of Physiology, School of Sport Sciences, University of Extremadura, Spain.
| | - I Bartolomé
- Department of Physiology, School of Sport Sciences, University of Extremadura, Spain
| | - M Perez-Quintero
- Department of Physiology, School of Sport Sciences, University of Extremadura, Spain
| | - F J Grijota
- Department of Didactics of Musical, Plastic and Corporal Expression, School of Teacher Training, University of Extremadura, Spain
| | - J Arroyo
- Department of Physiology, School of Sport Sciences, University of Extremadura, Spain
| | - D Muñoz
- Department of Physical Education and Sport, Sport Sciences Faculty, University of Extremadura, Cáceres, Spain
| | - M Maynar-Mariño
- Department of Physiology, School of Sport Sciences, University of Extremadura, Spain
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Castillo G, Calahorra‐Oliart A, Núñez‐Farfán J, Valverde PL, Arroyo J, Cruz LL, Tapia‐López R. Selection on tropane alkaloids in native and non-native populations of Datura stramonium. Ecol Evol 2019; 9:10176-10184. [PMID: 31632642 PMCID: PMC6787939 DOI: 10.1002/ece3.5520] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 06/21/2019] [Accepted: 07/02/2019] [Indexed: 11/09/2022] Open
Abstract
Theories of plant invasion based on enemy release in a new range assume that selection exerted by specialist herbivores on defence traits should be reduced, absent, or even selected against in the new environment. Here, we measured phenotypic selection on atropine and scopolamine concentration of Datura stramonium in eight native (Mexico) and 14 non-native (Spain) populations. Native populations produced between 20 and 40 times more alkaloid than non-native populations (atropine: 2.0171 vs. 0.0458 mg/g; scopolamine: 1.004 vs. 0.0488 mg/g, respectively). Selection on alkaloids was negative for atropine and positive for scopolamine concentration in both ranges. However, the effect sizes of selection gradients were only significant in the native range. Our results support the assumption that the reduction of plant defence in the absence of the plant's natural enemies in invasive ranges is driven by natural selection.
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Affiliation(s)
- Guillermo Castillo
- Departamento de Ecología EvolutivaInstituto de EcologíaUniversidad Nacional Autónoma de México (UNAM)Mexico CityMexico
- Present address:
Facultad de Enología y GastronomíaUniversidad Autónoma de Baja CaliforniaBaja CaliforniaMéxico
| | - Adriana Calahorra‐Oliart
- Departamento de Ecología EvolutivaInstituto de EcologíaUniversidad Nacional Autónoma de México (UNAM)Mexico CityMexico
| | - Juan Núñez‐Farfán
- Departamento de Ecología EvolutivaInstituto de EcologíaUniversidad Nacional Autónoma de México (UNAM)Mexico CityMexico
| | - Pedro L. Valverde
- Departamento de BiologíaUniversidad Autónoma Metropolitana‐IztapalapaMexico CityMexico
| | - Juan Arroyo
- Departamento de Biología Vegetal y EcologíaUniversidad de SevillaSevillaSpain
| | - Laura L. Cruz
- Departamento de Ecología EvolutivaInstituto de EcologíaUniversidad Nacional Autónoma de México (UNAM)Mexico CityMexico
| | - Rosalinda Tapia‐López
- Departamento de Ecología EvolutivaInstituto de EcologíaUniversidad Nacional Autónoma de México (UNAM)Mexico CityMexico
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Barranco D, Arroyo J, Santos-Gally R. Avoiding sexual interference: herkogamy and dichogamy in style dimorphic flowers of Narcissus broussonetii (Amaryllidaceae). AoB Plants 2019; 11:plz038. [PMID: 31528325 PMCID: PMC6735907 DOI: 10.1093/aobpla/plz038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Accepted: 07/22/2019] [Indexed: 06/10/2023]
Abstract
Spatial (herkogamy) or temporal (dichogamy) separation of sex organs are mechanisms considered to restrict self-pollination and promote outcrossing. Additionally, avoidance of self-interference is proposed to be the driving force for the evolution of these mechanisms, particularly in self-incompatible species. However, species with anthers and stigmas at different levels may increase the rate of imprecise pollen transfer, resulting in pollen discounting. Non-reciprocal stylar dimorphism has been considered a transitional, unstable stage towards the evolution of reciprocal style dimorphism (distyly), to simultaneously avoid interference and lack of precision. In this study we investigate the spatial and temporal separation of sex organs in a population of the style dimorphic and self-incompatible Narcissus broussonetii and their consequences in the reciprocity between the sex organs of morphs and their fecundity. First, we evaluated the relative growth of sex organs after anthesis. Then, we studied the stigma receptivity along the flower lifespan including its effect on seed production in both morphs. Finally, given the weak reciprocity between the sex organs of morphs of this species, we estimated population genetic diversity parameters in Long- and Short-styled plants to explore differences between them as a result of rates of inbreeding due to different mating strategies. We observed that Long-styled plants and Short-styled plants present different strategies to avoid sexual interference and both of them had negative consequences in the reciprocity between the sex organs of morphs. Long-styled plants exhibited a delay in stigma receptivity and a higher growth rate of the style after anthesis, while Short-styled plants presented higher herkogamy and no delay in stigma receptivity. These findings suggest that the avoidance of self-interference, in stylar dimorphic Narcissus species, seems to be more critical than improving of reciprocity between the sex organs of morphs. This might explain why reciprocal herkogamy (distyly) is rare in the genus.
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Affiliation(s)
- Daniel Barranco
- Departamento de Biología Vegetal y Ecología, Universidad de Sevilla, apartado, Sevilla, Spain
| | - Juan Arroyo
- Departamento de Biología Vegetal y Ecología, Universidad de Sevilla, apartado, Sevilla, Spain
| | - Rocío Santos-Gally
- Departamento de Biología Vegetal y Ecología, Universidad de Sevilla, apartado, Sevilla, Spain
- CONACyT-Instituto de Ecología, A.P. 70-275, Ciudad Universitaria, Universidad Nacional Autónoma de México, Ciudad de México, México
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Bitter EE, Townsend MH, Bennion KA, Mejia J, Shrestha G, Hirschi K, Arroyo J, O'Neill K. Abstract 2858: Thymidine kinase 1 variability in primary and metastatic human breast cell lines and its correlation to metastatic potential. Cancer Res 2019. [DOI: 10.1158/1538-7445.am2019-2858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
The purpose of this study is to determine the role of Thymidine Kinase 1 (TK1) in the cellular invasion of breast cancer cells in vitro. TK1 is a cytosolic DNA salvage pathway enzyme responsible for the conversion of thymidine to thymidine monophosphate; it is known to increase during G1/S phase of the cell cycle and is significantly elevated in the serum of multiple cancer patients including breast, lung, and colon. As such, TK1 has been implicated as a useful biomarker for cancer prognosis and patient monitoring. In addition to TK1 upregulation in cancer serum, recent findings have shown that TK1 also localizes to the surface of ALL, AML, and colon cancer cells in patients. However, minimal studies have determined how the surface localization of TK1 is an indicator of metastatic potential. In addition, the function and timing of TK1 expression on the cellular surface has not been determined. When comparing the TK1 expression in metastatic cancer cell lines we found that there was a trend of overall elevation in metastatic cell lines (n = 39) when compared to primary cell lines (n = 31). This expression was extremely irregular between cell lines and TK1 showed significant variability between samples. We tested several breast cancer cell lines (primary: HCC 1806, HCC 1937, and JIMT-1; metastatic: T47D, BT 549, and MDA-MB-231) for their TK1 surface localization, more specifically the difference between metastatic cells and primary cells. We found significant TK1 expression in all cell lines tested with the highest expression in HCC 1806 primary breast cancer cells (90.36%; p = .0001) and the lowest expression in MDA-MB-231 metastatic breast cancer cells (47.2%; p = .01). We hypothesized that the expression of TK1 on the surface of cancer cells was dependent on the proliferative state of the cells and would be highest in the S phase of the cell cycle. To evaluate this hypothesis, cell cycle analysis was performed utilizing a PI stain to determine DNA content within the cells. Preliminary analysis of this data indicates that surface localized TK1 may not be dependent on the cell cycle but may be dependent on the proliferative capacity of individual patient’s tumors. Currently under investigation is the direct effect of surface TK1 on invasion potential. To accomplish this, TK1-/-cells are actively being produced and their invasion potential against TK1WT cells will be compared to determine whether TK1 surface localization is influential in the metastatic ability of cancer cells. We plan to test the correlation between TK1 expression for a potential indicator of tumor aggressiveness and invasion potential.
Citation Format: Eliza E. Bitter, Michelle H. Townsend, Kelsey A. Bennion, Juan Mejia, Gajendra Shrestha, Kelsey Hirschi, Juan Arroyo, Kim O'Neill. Thymidine kinase 1 variability in primary and metastatic human breast cell lines and its correlation to metastatic potential [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2019; 2019 Mar 29-Apr 3; Atlanta, GA. Philadelphia (PA): AACR; Cancer Res 2019;79(13 Suppl):Abstract nr 2858.
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Singh K, Arroyo J, Saxton E, Rawal D, Patibandla S. Performance evaluation of the ADVIA Centaur Zika Test. Clin Chim Acta 2019. [DOI: 10.1016/j.cca.2019.03.1135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Ricaud K, Even M, Lavigne F, Davail S, Arroyo J. Evolution of intestinal microbiota and body compartments during spontaneous hyperphagia in the Greylag goose. Poult Sci 2019; 98:1390-1402. [PMID: 30285149 DOI: 10.3382/ps/pey476] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Accepted: 09/13/2018] [Indexed: 01/15/2023] Open
Abstract
The aim of this work was to study the effects of spontaneous hyperphagia on the evolution of intestinal microbiota and body compartments in old goose. From October 25th to November 26th, 5-yr-old breeding Greylag Landaise geese (106 males and 106 females) were fed with grass during 1 mo (G period). From November 26th (0 d) the birds had ad libitum access to pellets (AMEn: 10.5 MJ/kg, CP: 18.9 g/kg; spontaneous fattening (SF) period). Some birds were killed at -31 d (n = 24; 50/50 sex ratio), 0 d (n = 48), 14 (n = 46), 22 d (n = 46), and 70 d (n = 48) after the start of G period to measure body traits. For microbial analysis, 10 of the samples per sex at 0 d, 14 d, and 70 d were selected to be representative of body traits. Between 0 and 22 d, liver weight increased from 98 g to 194 g in males and from 89 g to 199 g in females (P < 0.001). Liver weight decreased between 22 and 70 d from 194 to 174 g in males and from 199 to 163 g in females (P < 0.001). Irrespective of the diet (G or SF period) and the sex of the bird, the two major phyla were Proteobacteria (49%) and Firmicutes (48%). Bacteroidetes represented around 3.0% of the sequences. At order level, Firmicutes were dominated by Clostridiales (33% of total sequences) and Lactobacillales (13% of total sequences) and Proteobacteria were dominated by Campylobacteriales (34% of total sequences). Finally, Bacteroidetes were dominated by Bacteroidales. SF and sex did not change the microbial diversity but sparse partial least squares discriminant analysis allowed us to highlight discriminant operational taxonomic unit between experimental groups. In conclusion, our result showed that changes in the body compartments of old geese during spontaneous hyperphagia depend on the sex of the birds, but not so much in gut microbial composition. Further investigations are necessary to understand the functional microbiota and highlight the role of gut microbiota in hepatic steatosis induced with hyperphagia in geese.
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Affiliation(s)
- K Ricaud
- INRA, Univ Pau and Pays Adour, E2S UPPA, UMR 1419 Nutrition, Métabolisme, Aquaculture, Saint Pée sur Nivelle F-64310, France
| | - M Even
- INRA, Univ Pau and Pays Adour, E2S UPPA, UMR 1419 Nutrition, Métabolisme, Aquaculture, Saint Pée sur Nivelle F-64310, France.,ASSELDOR, Station d'expérimentation appliquée et de démonstration sur l'oie et le canard, La Tour de Glane, F-24420 Coulaures, France
| | - F Lavigne
- ASSELDOR, Station d'expérimentation appliquée et de démonstration sur l'oie et le canard, La Tour de Glane, F-24420 Coulaures, France
| | - S Davail
- INRA, Univ Pau and Pays Adour, E2S UPPA, UMR 1419 Nutrition, Métabolisme, Aquaculture, Saint Pée sur Nivelle F-64310, France
| | - J Arroyo
- ASSELDOR, Station d'expérimentation appliquée et de démonstration sur l'oie et le canard, La Tour de Glane, F-24420 Coulaures, France
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Martín‐Hernanz S, Martínez‐Sánchez S, Albaladejo RG, Lorite J, Arroyo J, Aparicio A. Genetic diversity and differentiation in narrow versus widespread taxa of Helianthemum (Cistaceae) in a hotspot: The role of geographic range, habitat, and reproductive traits. Ecol Evol 2019; 9:3016-3029. [PMID: 30962878 PMCID: PMC6434548 DOI: 10.1002/ece3.4481] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 07/13/2018] [Accepted: 08/03/2018] [Indexed: 11/14/2022] Open
Abstract
Unraveling the relationships between ecological, functional traits and genetic diversity of narrow endemic plants provide opportunities for understanding how evolutionary processes operate over local spatial scales and ultimately how diversity is created and maintained. To explore these aspects in Sierra Nevada, the core of the Mediterranean Betic-Rifean hotspot, we have analyzed nuclear DNA microsatellite diversity and a set of biological and environmental factors (physicochemical soil parameters, floral traits, and community composition) in two strictly endemic taxa from dolomite outcrops of Sierra Nevada (Helianthemum pannosum and H. apenninum subsp. estevei) and two congeneric widespread taxa (H. cinereum subsp. rotundifolium and H. apenninum subsp. apenninum) that further belong to two different lineages (subgenera) of Helianthemum. We obtained rather unexpected results contrasting with the theory: (a) The narrow endemic taxa showed higher values of genetic diversity as well as higher average values of pollen production per flower and pollen-to-ovule ratio than their widespread relatives; and (b) the two taxa of subg. Helianthemum, with larger corollas, approach herkogamy and higher pollen production than the two taxa of subg. Plectolobum, displayed lower genetic diversity and higher values of inbreeding. Altogether, these results disclose how genetic diversity may be affected simultaneously by a large number of intrinsic and extrinsic factors, especially in Pleistocene glacial refugia in mountains where the spatial context harbors a great ecological heterogeneity. On the other hand, differences in mating system and the significant effect of the substrate profile, both being highly diverse in the genus Helianthemum, in the genetic variability illustrate about the importance of these two factors in the diversification and species differentiation of this paradigmatic genus in the Mediterranean and open the field to formulate and test new hypotheses of local adaptation, trait evolution, and habitat diversification.
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Affiliation(s)
- Sara Martín‐Hernanz
- Departamento de Biología Vegetal y EcologíaUniversidad de SevillaSevillaSpain
| | - Sara Martínez‐Sánchez
- Departamento de Biología Vegetal y EcologíaUniversidad de SevillaSevillaSpain
- Present address:
Departamento de Tecnología de la Alimentación y NutriciónUniversidad Católica de MurciaMurciaSpain
| | | | - Juan Lorite
- Departamento de BotánicaUniversidad de GranadaGranadaSpain
| | - Juan Arroyo
- Departamento de Biología Vegetal y EcologíaUniversidad de SevillaSevillaSpain
| | - Abelardo Aparicio
- Departamento de Biología Vegetal y EcologíaUniversidad de SevillaSevillaSpain
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Arroyo J, Molette C, Lavigne F, Knudsen C, Deneufbourg C, Fortun-Lamothe L. Influence of the corn form in the diet and length of fasting before slaughter on the performance of overfed mule ducks. Poult Sci 2019; 98:753-760. [DOI: 10.3382/ps/pey432] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 08/27/2018] [Indexed: 11/20/2022] Open
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Arroyo J, Pistón M, Victoria F, Urioste M, Brambillasca S, Repetto J, Cajarville C, Pérez-Ruchel A. PSIX-24 Concentration of minerals in meat of lambs fattened under different feeding systems. J Anim Sci 2018. [DOI: 10.1093/jas/sky404.617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- J Arroyo
- Instituto de Producción Animal, Facultad de Veterinaria, Universidad de la República,Libertad, Uruguay
| | - M Pistón
- Química Analítica, DEC, Facultad de Química, Universidad de la República,Montevideo, Uruguay
| | - F Victoria
- Instituto de Producción Animal, Facultad de Veterinaria, Universidad de la República,Montevideo, Uruguay
| | - M Urioste
- Instituto de Producción Animal, Facultad de Veterinaria, Universidad de la República,Montevideo, Uruguay
| | - S Brambillasca
- Instituto de Producción Animal, Facultad de Veterinaria, Universidad de la República,Libertad, San Jose, Uruguay
| | - J Repetto
- Instituto de Producción Animal, Facultad de Veterinaria, Universidad de la República,Libertad, San Jose, Uruguay
| | - C Cajarville
- Instituto de Producción Animal, Facultad de Veterinaria, Universidad de la República,Libertad, San Jose, Uruguay
| | - A Pérez-Ruchel
- Instituto de Producción Animal, Facultad de Veterinaria, Universidad de la República,Montevideo, Uruguay
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Brambillasca S, Fernández García M, Arroyo J, Repetto J, Cajarville C. 164 Chemical composition and in vitro digestion of reconstituted and ensiled sorghum grains for pig feeding. J Anim Sci 2018. [DOI: 10.1093/jas/sky404.642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- S Brambillasca
- Instituto de Producción Animal, Facultad de Veterinaria, Universidad de la República,Libertad, San Jose, Uruguay
| | - M Fernández García
- Instituto de Producción Animal, Facultad de Veterinaria, Universidad de la República,Libertad, San Jose, Uruguay
| | - J Arroyo
- Instituto de Producción Animal, Facultad de Veterinaria, Universidad de la República,Libertad, San Jose, Uruguay
| | - J Repetto
- Instituto de Producción Animal, Facultad de Veterinaria, Universidad de la República,Libertad, San Jose, Uruguay
| | - C Cajarville
- Instituto de Producción Animal, Facultad de Veterinaria, Universidad de la República,Libertad, San Jose, Uruguay
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Lawrence EE, Weagel EG, Mejia JF, Arroyo J, Killpack S, O'Neill KL, Robison R. Abstract 5160: Identifying TK1 localization in immortalized placental cell lines and in conditioned placental tissue. Cancer Res 2018. [DOI: 10.1158/1538-7445.am2018-5160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Many parallels in growth pattern can be observed between placental and cancer development. In fact, placental trophoblast and cancer cells share similarities in migration and invasion patterns, immune escape strategies, and angiogenesis induction. A common feature of pregnancy complication is aberrant trophoblast behavior. Understanding trophoblast cell behavior can help us identify common patterns in cancer gene and protein regulation. Thymidine kinase 1 (TK1) has been extensively studied as a serum and tissue cancer biomarker. Recently, TK1 has been shown to be upregulated in some cancer tissues and localized on the surface of certain cancer cell lines, and has been suggested as a possible immunotherapeutic target in some cancers. Our goal for this study was to investigate TK1 correlation to placental invasive potential, and therefore establish a function for TK1 localization in these tissues. To do this, we wanted to investigate TK1 placental tissue expression/ localization during normal and obstetric complications and its expression in current placental cell lines. We obtained human placental tissue from various pregnancy conditions including preeclampsia (PE), diabetes (GDM; treated with diet (D) or Insulin (I)) and intrauterine growth restriction (IUGR). For our cell study, immortalized placental cell lines, SW71, JEG-3 and BeWo were used. Immunofluorescence was used for TK1 cell expression in human placental sections. Flow cytometry was performed for TK1 presence in cultured cells. We observed high staining for nuclear and cytosolic expression of TK1 in the control placenta tissues. Compared to controls, there was a marked reduction in TK1 staining in the IUGR and GDM-I placentas which lack nuclear expression of TK1. A decreased for both nuclear and cytosolic TK1 staining, was present in the PE and GDM-D placenta. Flow cytometry showed that SW71 cells had high expression of TK1 on their surface (56%), JEG-3 had low expression of TK1 on their surface (12%), and BeWo cells did not express TK1 on their surface. These findings are interesting because they suggest TK1 surface expression directly correlates with the invasive potential. TK1 protein expression was also measured using standard western blotting techniques to support the data obtained by immunohistochemistry. Furthermore, we established the invasion potential of these placental cell lines using the xCELLigence RTCA DP system between the TK1 positive and negative placenta cell lines. Further confirmation is required; however, these results could assist in understanding the placental/trophoblast invasive mechanism and its correlation in cancer development.
Citation Format: Eliza E. Lawrence, Evita G. Weagel, Juan F. Mejia, Juan Arroyo, Shalee Killpack, Kim L. O'Neill, Richard Robison. Identifying TK1 localization in immortalized placental cell lines and in conditioned placental tissue [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2018; 2018 Apr 14-18; Chicago, IL. Philadelphia (PA): AACR; Cancer Res 2018;78(13 Suppl):Abstract nr 5160.
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Molina Y, San Miguel LG, Tamayo L, Sanchez-Diaz C, Robledo C, Peña K, Lucio A, Hernandez O, Arroyo J, Medina M, Coronado N, Irma V. Empowering Latinas to Obtain Breast Cancer Screenings: Comparing Intervention Effects, Part 2. Cancer Epidemiol Biomarkers Prev 2018. [DOI: 10.1158/1055-9965.epi-18-0048] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Abstract
We compare the effects of breast cancer education and empowerment approaches on non-adherent Latinas' breast health behaviors and dissemination of health information. Methods: The setting for this ongoing, quasi-experimental trial is two Latino, lower income communities in Chicago. Women were recruited via two community-based organizations and snowball sampling. Eligibility criteria were: 1) age of 52–74; 2) lack of screening within past 2 years; 3) no previous breast cancer diagnosis; and, 4) no health volunteerism experience. Women were assigned to a three week group intervention (3 2 hour sessions). The education intervention is administered in East Side/South Chicago and the empowerment intervention is administered in Pilsen/Little Village to avoid contamination effects. The education intervention has 3 sessions focused on early detection and prevention (diet, physical activity). The empowerment intervention has 3 sessions focused on early detection, sharing information with family/friends, and health volunteerism. Navigation is provided if women wish to obtain mammograms. Three questionnaires are given at baseline, post-intervention, and a 6 month follow-up. Results: Among our 68 participants (34 education; 34 empowerment), 87% were born in Mexico; 59% had <9th grade education; 52% had a median household income of <$10K; and, 51% were uninsured. The average age was 61.21 (SD = 6.20). Relative to education participants, more empowerment participants have scheduled mammograms (94% vs. 74%; P = 0.05) and obtained mammograms (77% vs. 38%, P = 0.001). Empowerment participant also spoke to more individuals about breast health relative to education participants (M = 6.24, SD = 5.30 vs. M = 3.00, SD = 3.04, P = 0.003). A greater proportion of engagement participants also spoke about specific types of breast cancer screening (58% vs. 38%, P = 0.01) and discussed breast cancer across multiple settings (58% vs. 24%, P = 0.003). Discussion: The empowerment approach may be particularly effective in changing non-adherent Latinas' screening behaviors and promoting them to become agents of change in their communities. Limitations concern generalizability due a non-probability based sample, and limited ability for causal inferences due to a lack of randomization.
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Jiménez-Lobato V, Martínez-Borda E, Núñez-Farfán J, Valverde PL, Cruz LL, López-Velázquez A, Santos-Gally R, Arroyo J. Changes in floral biology and inbreeding depression in native and invaded regions of Datura stramonium. Plant Biol (Stuttg) 2018; 20 Suppl 1:214-223. [PMID: 29106048 DOI: 10.1111/plb.12658] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Accepted: 10/30/2017] [Indexed: 06/07/2023]
Abstract
Plant populations invading new environments might compromise their fitness contribution to the next generation, because of the lack of native specialist pollinators and/or potential mates. Thus, changes in plant mating system and traits linked to it are expected in populations colonising new environments where selection would favour selfing and floral traits that maximise reproductive output. To test this, we studied native (Mexico) and non-native (Spain) populations of the obligate sexual reproducing annual weed Datura stramonium. Flower size, herkogamy, total number of seeds per plant, number of visits by and type of pollinators, and inbreeding depression were assessed in native and non-native populations. Finally, we measured phenotypic selection on corolla size and herkogamy in each population. Flower size and herkogamy showed wide and similar variation in both ranges. However, the largest average flower size was found in one non-native population whereas the highest average positive herkogamy was detected in one native population. On average, flowers in the native range received more visits by pollinators. Hawkmoths were the main visitors in the native populations while only bees were observed visiting flowers in Spain's populations. Only in the native range was inbreeding depression detected. Selection to reduce herkogamy was found only in one native population. Absence of both inbreeding depression and selection on floral traits suggest a change in mating system of D. stramonium in a new range where generalist pollinators may be promoting high reproductive success. Selection against deleterious alleles might explain the reduction of inbreeding depression, promoting the evolution of selfing.
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Affiliation(s)
- V Jiménez-Lobato
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Sevilla, Spain
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - E Martínez-Borda
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Sevilla, Spain
| | - J Núñez-Farfán
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - P L Valverde
- Departamento de Biología, Universidad Autónoma Metropolitana-Iztapalapa, Ciudad de México, México
| | - L L Cruz
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - A López-Velázquez
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - R Santos-Gally
- Departamento de Ecología Evolutiva, Instituto de Ecología, CONACyT, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - J Arroyo
- Departamento de Biología Vegetal y Ecología, Facultad de Biología, Universidad de Sevilla, Sevilla, Spain
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Molina-Venegas R, Aparicio A, Lavergne S, Arroyo J. Soil conditions drive changes in a key leaf functional trait through environmental filtering and facilitative interactions. Acta Oecologica 2018. [DOI: 10.1016/j.actao.2017.11.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Pannell JR, Arroyo J. Gender specialisation and stigma height dimorphism in Mediterranean Lithodora fruticosa (Boraginaceae). Plant Biol (Stuttg) 2018; 20 Suppl 1:112-117. [PMID: 28945318 PMCID: PMC5765446 DOI: 10.1111/plb.12634] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Accepted: 09/21/2017] [Indexed: 05/24/2023]
Abstract
Dimorphism in style height has evolved repeatedly in flowering plants, with some individuals having short and others long styles; in the case of distylous species, stigma position varies reciprocally with that of the anthers. Distyly can be associated with divergence in the functional gender between long- and short-styled individuals, but gender divergence has rarely been investigated in species with a simple stigma height polymorphism in the absence of reciprocal dimorphism in anther position. To evaluate the relation between stigma height polymorphism and gender, I measured the dimensions of floral morphology and seed production for the two morphs of a large population of the Iberian species Lithodora fruticosa (Boraginaceae). Results confirm the existence of a stigma height polymorphism in L. fruticosa, with long- and short-styled individuals at a 1:1 ratio in the studied population. Long-styled individuals produced substantially more seeds than did short-styled individuals, pointing to strong divergence in functional gender between the two morphs. The results of this study are puzzling in light of recent work that suggests that L. fruticosa has a multi-allelic self-incompatibility system. I discuss the significance of gender divergence in L. fruticosa and evaluate hypotheses that might explain it.
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Affiliation(s)
- J. R. Pannell
- Department of Ecology and EvolutionUniversity of LausanneLausanneSwitzerland
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Pérez-Barrales R, Abarca CA, Santos-Gally R, Schiestl FP, Arroyo J. The function of the floral corona in the pollination of a Mediterranean style dimorphic daffodil. Plant Biol (Stuttg) 2018; 20 Suppl 1:118-127. [PMID: 29105981 DOI: 10.1111/plb.12657] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Accepted: 10/30/2017] [Indexed: 06/07/2023]
Abstract
Narcissus papyraceus is a style dimorphic species with two floral forms, with anthers at similar height and stigmas above (long-styled L) and below (short-styled S) the anther level. The species is self-incompatible, but intra- and inter-morph compatible. Populations are either dimorphic (including both morphs) in the region of the Strait of Gibraltar, or L-monomorphic (with only L plants) in the inland of the Iberian Peninsula. This variation correlates with the most common floral visitors, being primarily long-tongued and short-tongued pollinators, respectively, a rare condition in Mediterranean plants. The maintenance of S-flowers relies on long-tongued insects, as only those deliver pollen to short-styled stigmas. Narcissus flowers present a long and narrow tube, at the bottom of which nectar accumulates, and a floral corona, which has been proposed as an important trait for the attraction of pollinators. Here we tested the importance of the corona on pollination of L and S flowers. We described UV reflectance patterns of the corona and tepals, and characterised VOCs in intact flowers and flowers with trimmed coronas. We also conducted a field experiment in the dimorphic and monomorphic region to estimate the importance of corona removal on seed production in stands with solitary plants and in groups to control for compatible pollen limitation. Reflectance was higher in the tepals than the corona, although both traits presented a reflectance peak around 450 nm wavelength. L- and S-flowers produced similar volatiles, regardless of the manipulation of the corona. Across dimorphic and monomorphic regions, S-flowers with the corona removed suffered a reduction in seed production of ca. 50%, while seed production remained similar in L flowers both with the corona intact and removed. Plants in solitary stands suffered a strong reduction in seed production, which was more pronounced in the monomorphic region. Our results suggest that the corona in Narcissus is more important for the pollination of S-flowers, which generally have lower seed production compared to L-flowers. Taken together, these results suggest that the floral corona indirectly plays an important role for maintenance of the polymorphism.
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Affiliation(s)
- R Pérez-Barrales
- School of Biological Sciences, University of Portsmouth, Portsmouth, UK
| | - C A Abarca
- Unidad Lerma Departamento de Ecología Evolutiva, Departamento de Ciencias Ambientales, Universidad Autónoma Metropolitana, Mexico City, México
| | - R Santos-Gally
- CONACYT-Departamento de Ecología Evolutiva, Instituto de Ecología, UNAM, Mexico City, México
| | - F P Schiestl
- Institute of Systematic Botany, University of Zurich, Zurich, Switzerland
| | - J Arroyo
- Departamento de Biología Vegetal y Ecología, Universidad de Sevilla, Sevilla, Spain
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Arroyo J, Thompson JD. Plant reproductive ecology and evolution in a changing Mediterranean climate. Plant Biol (Stuttg) 2018; 20 Suppl 1:3-7. [PMID: 29292591 DOI: 10.1111/plb.12675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Accepted: 11/24/2017] [Indexed: 06/07/2023]
Affiliation(s)
- J Arroyo
- Department of Plant Biology and Ecology, University of Seville, Seville, Spain
| | - J D Thompson
- UMR 5175 Centre d'Ecologie Fonctionelle et Evolutive, CNRS, Montpellier, France
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Ruiz-Martín J, Santos-Gally R, Escudero M, Midgley JJ, Pérez-Barrales R, Arroyo J. Style polymorphism in Linum (Linaceae): a case of Mediterranean parallel evolution? Plant Biol (Stuttg) 2018; 20 Suppl 1:100-111. [PMID: 29164751 DOI: 10.1111/plb.12670] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 11/16/2017] [Indexed: 06/07/2023]
Abstract
Heterostyly is a sex polymorphism that has challenged evolutionary biologists ever since Darwin. One of the lineages where heterostyly and related stylar conditions appear more frequently is Linum (Linaceae). This group is particularly suitable for testing competing hypotheses about ancestral and transitional stages on the evolutionary building up of heterostyly. We generated a phylogeny of Linum based on extensive sampling and plastid and nuclear DNA sequences, and used it to trace the evolution of character states of style polymorphism. We also revised available data on pollination, breeding systems, and polyploidy to analyse their associations. Our results supported former phylogenetic hypotheses: the paraphyly of Linum and the non-monophyly of current taxonomic sections. Heterostyly was common in the genus, but appeared concentrated in the Mediterranean Basin and the South African Cape. Ancestral character state reconstruction failed to determine a unique state as the most probable condition for style polymorphism in the genus. In contrast, approach herkogamy was resolved as ancestral state in some clades, giving support to recent hypotheses. Some traits putatively related to heterostyly, such as life history and polyploidy, did show marginal or non-significant phylogenetic correlation, respectively. Although pollinator data are limited, we suggest that beeflies are associated with specific cases of heterostyly. The consistent association between style polymorphism and heteromorphic incompatibility points to ecological factors as drivers of the multiple evolution of style polymorphism in Linum. Albeit based on limited evidence, we hypothesised that specialised pollinators and lack of mating opportunities drive evolution of style polymorphism and loss of the polymorphism, respectively.
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Affiliation(s)
- J Ruiz-Martín
- Departamento de Biología Vegetal y Ecología, Universidad de Sevilla, Sevilla, Spain
| | - R Santos-Gally
- Departamento de Biología Vegetal y Ecología, Universidad de Sevilla, Sevilla, Spain
| | - M Escudero
- Departamento de Biología Vegetal y Ecología, Universidad de Sevilla, Sevilla, Spain
| | - J J Midgley
- Department of Biological Sciences, University of Cape Town, Cape Town, South Africa
| | - R Pérez-Barrales
- Departamento de Biología Vegetal y Ecología, Universidad de Sevilla, Sevilla, Spain
| | - J Arroyo
- Departamento de Biología Vegetal y Ecología, Universidad de Sevilla, Sevilla, Spain
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Arroyo J, Salazar-Sánchez L, Jiménez-Cruz G, Chaverri P, Arrieta-Bolaños E, Morera B. Prevalence and geographic distribution of haemophilia in Costa Rica. Hamostaseologie 2017. [DOI: 10.1055/s-0037-1619065] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
Abstract
SummaryHaemophilia is the most frequent hereditary haemorrhagic illness and it is due to the deficiency of coagulation factors VIII (haemophilia A, HA) or IX (haemophilia B, HB).The prevalence of this disease varies according to the country, those having better survival rates having also higher prevalences. Specifically in Costa Rica, there are around 130 HA and 30 HB families. This study reports the prevalence and a spatial distribution analysis of both types of the disease in this country. The prevalence of haemophilia in this country is 7 cases per 100 000 men, for HA it is 6 cases per 100 000 and for HB it is 1 case per 100 000 male inhabitants. The prevalence of this disease is low when compared with other populations. This low prevalence could be due to the many patients that have died because of infection with human immunodeficiency virus during the 1980s. The prevalence of haemophilia in Costa Rica is almost one half of that present in developed countries. Nevertheless, the ratio between HA and HB follows world tendency: 5 : 1. In this study, nationwide geographical distribution maps were drawn in order to visualize the origin of severe cases and how this influences the pattern of distribution for both types of haemophilia. By means of these maps, it was possible to state that there is no association between the sites of maximum prevalence of mutated alleles and ethnicity. With this study, haemophilia prevalence distribution maps can be used to improve efforts for the establishment of hemophilia clinics or specialized health centers in those areas which hold the highest prevalences in this country. Also, this knowledge can be applied to improve treatment skills and offer the possibility of developing focused genetic counseling for these populations.
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Arroyo J, Lavigne F, Bannelier C, Fortun-Lamothe L. Influence of the incorporation mode of sugar beet pulp in the finishing diet on the digestive tract and performances of geese reared for foie gras production. Poult Sci 2017; 96:3928-3937. [DOI: 10.3382/ps/pex210] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Accepted: 06/19/2017] [Indexed: 12/28/2022] Open
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Arroyo J, Lavigne F, Fortun-Lamothe L. The influence of whole-corn feeding method during the finishing stage on the performance of overfed mule ducks. Poult Sci 2017. [PMID: 28637188 DOI: 10.3382/ps/pex112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The aim of this trial was to compare 2 feeding systems based on whole corn, a loose-mix and a free-choice feeding system, during the finishing stage on the performance of ducks. Five hundred sixteen day-old male mule ducks (Muscovy drake × Pekin duck) were divided into 3 groups that differed in the presentation of the diet they received between 58 and 88 d of age: a complete pelleted diet (Control (CON) group; AMEn 12.1 MJ/kg, CP 15.0%) containing 500 g of corn per kg; or whole corn (AMEn 13.9 MJ/kg, CP 7.3%) and protein-rich pellets (AMEn 10.3 MJ/kg, CP 22.7%) in equal quantities mixed in the same feeders (loose-mix feeding [LMF] group) or in 2 separate feeders (free-choice feeding [FCF] group). From 89 to 99 d, 72 birds/group were overfed with a mixture containing mainly corn and water and then slaughtered to determine the weight and commercial value of the fatty liver. Feed intake was measured daily. Body weight (BW) was measured at 58, 88, and 99 d of age. From 58 to 88 d, total feed intake of the FCF group was +7% and +9% (+558 g and +672 g) higher than in the groups CON and LMF, respectively (P = 0.005). At 88 d, the BW was higher in the CON group than in the FCF group (4,959 vs. 4,778 g, P < 0.001), the LMF group being intermediate (4,874 g). During the experimental stage, the feed conversion ratio was higher in the FCF group than in the 2 others (+32%, P = 0.024), but the energy intake was similar between the 3 groups (92.6 MJ/duck, P = 0.353).After overfeeding (99 d), the BW (6,593 g), weight (642 g), and commercial grading of fatty liver were similar (P > 0.05) in the 3 groups. The present results suggest that loose-mix feeding during the finishing stage using whole corn is a solution for reducing feed cost.
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Affiliation(s)
- J Arroyo
- ASSELDOR, Goose and Duck Breeding Station, La Tour de Glane, 24420 Coulaures, France
| | - F Lavigne
- ASSELDOR, Goose and Duck Breeding Station, La Tour de Glane, 24420 Coulaures, France
| | - L Fortun-Lamothe
- GenPhySE, Université de Toulouse, INRA, INPT, INP-ENVT, Castanet Tolosan, France.
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