REFERENCES Adachi, T
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South American Cacti in Time and Space: Studies on the Diversification of the Tribe Cereeae, with Particular Focus on Subtribe Trichocereinae (Cactaceae)
Zurich Open Repository and Archive University of Zurich Main Library Strickhofstrasse 39 CH-8057 Zurich www.zora.uzh.ch Year: 2013 South American Cacti in time and space: studies on the diversification of the tribe Cereeae, with particular focus on subtribe Trichocereinae (Cactaceae) Lendel, Anita Posted at the Zurich Open Repository and Archive, University of Zurich ZORA URL: https://doi.org/10.5167/uzh-93287 Dissertation Published Version Originally published at: Lendel, Anita. South American Cacti in time and space: studies on the diversification of the tribe Cereeae, with particular focus on subtribe Trichocereinae (Cactaceae). 2013, University of Zurich, Faculty of Science. South American Cacti in Time and Space: Studies on the Diversification of the Tribe Cereeae, with Particular Focus on Subtribe Trichocereinae (Cactaceae) _________________________________________________________________________________ Dissertation zur Erlangung der naturwissenschaftlichen Doktorwürde (Dr.sc.nat.) vorgelegt der Mathematisch-naturwissenschaftlichen Fakultät der Universität Zürich von Anita Lendel aus Kroatien Promotionskomitee: Prof. Dr. H. Peter Linder (Vorsitz) PD. Dr. Reto Nyffeler Prof. Dr. Elena Conti Zürich, 2013 Table of Contents Acknowledgments 1 Introduction 3 Chapter 1. Phylogenetics and taxonomy of the tribe Cereeae s.l., with particular focus 15 on the subtribe Trichocereinae (Cactaceae – Cactoideae) Chapter 2. Floral evolution in the South American tribe Cereeae s.l. (Cactaceae: 53 Cactoideae): Pollination syndromes in a comparative phylogenetic context Chapter 3. Contemporaneous and recent radiations of the world’s major succulent 86 plant lineages Chapter 4. Tackling the molecular dating paradox: underestimated pitfalls and best 121 strategies when fossils are scarce Outlook and Future Research 207 Curriculum Vitae 209 Summary 211 Zusammenfassung 213 Acknowledgments I really believe that no one can go through the process of doing a PhD and come out without being changed at a very profound level. -
Genetic Analysis of the DAZ1 Transcription Factor in Arabidopsis Thaliana
Genetic analysis of the DAZ1 transcription factor in Arabidopsis thaliana Thesis submitted for the degree of Doctor of Philosophy by Jaypal Darbar B.Sc, M.Sc. Botany (INDIA) M.Sc. Biotechnology (UK) March 2018 Department of Genetics and Genome Biology I Genetic analysis of the DAZ1 transcription factor in Arabidopsis thaliana by Jaypalsinhji Darbar Abstract The aim of this research was to advance understanding of the molecular and genetic mechanisms by which the transcription factor, DAZ1 (DUO1-ACTIVATED ZINC FINGER 1) supports male germline development in Arabidopsis thaliana. The main approach was to analyse the importance of different protein domains in DAZ1 for generative cell division and pollen fertility. The DAZ1 basic region (BR), the DAZ1 conserved region (CR) and the role of individual zinc finger (ZnF) motifs were investigated. In planta complementation of mutant Arabidopsis daz1-/- daz2+/- plants with deletion and substitution variants of DAZ1 revealed important functional roles for the BR, CR and for ZnF3 in male germline development. DAZ1 variants with BR or CR mutations showed a significant but limited ability to rescue male germ cell division and transmission of daz1 daz2 pollen. A second objective was to study the cause of unexpected seed abortion observed in daz1-/- daz2-/- mutants that express DAZ1 variants with reduced function. Observations revealed ovule enlargement without development of embryo or endosperm tissues indicating early post-fertilisation defects arising from defective gametes. In a third objective, a genetic screen was conducted in Arabidopsis for suppressors of reduced fertility in chemically mutagenised plants expressing a C-terminally truncated DAZ1. Several suppressor lines were identified which were stably maintained through multiple generations. -
Systematics and Biogeography of the Clusioid Clade (Malpighiales) Brad R
Eastern Kentucky University Encompass Biological Sciences Faculty and Staff Research Biological Sciences January 2011 Systematics and Biogeography of the Clusioid Clade (Malpighiales) Brad R. Ruhfel Eastern Kentucky University, [email protected] Follow this and additional works at: http://encompass.eku.edu/bio_fsresearch Part of the Plant Biology Commons Recommended Citation Ruhfel, Brad R., "Systematics and Biogeography of the Clusioid Clade (Malpighiales)" (2011). Biological Sciences Faculty and Staff Research. Paper 3. http://encompass.eku.edu/bio_fsresearch/3 This is brought to you for free and open access by the Biological Sciences at Encompass. It has been accepted for inclusion in Biological Sciences Faculty and Staff Research by an authorized administrator of Encompass. For more information, please contact [email protected]. HARVARD UNIVERSITY Graduate School of Arts and Sciences DISSERTATION ACCEPTANCE CERTIFICATE The undersigned, appointed by the Department of Organismic and Evolutionary Biology have examined a dissertation entitled Systematics and biogeography of the clusioid clade (Malpighiales) presented by Brad R. Ruhfel candidate for the degree of Doctor of Philosophy and hereby certify that it is worthy of acceptance. Signature Typed name: Prof. Charles C. Davis Signature ( ^^^M^ *-^£<& Typed name: Profy^ndrew I^4*ooll Signature / / l^'^ i •*" Typed name: Signature Typed name Signature ^ft/V ^VC^L • Typed name: Prof. Peter Sfe^cnS* Date: 29 April 2011 Systematics and biogeography of the clusioid clade (Malpighiales) A dissertation presented by Brad R. Ruhfel to The Department of Organismic and Evolutionary Biology in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the subject of Biology Harvard University Cambridge, Massachusetts May 2011 UMI Number: 3462126 All rights reserved INFORMATION TO ALL USERS The quality of this reproduction is dependent upon the quality of the copy submitted. -
Illustration Sources
APPENDIX ONE ILLUSTRATION SOURCES REF. CODE ABR Abrams, L. 1923–1960. Illustrated flora of the Pacific states. Stanford University Press, Stanford, CA. ADD Addisonia. 1916–1964. New York Botanical Garden, New York. Reprinted with permission from Addisonia, vol. 18, plate 579, Copyright © 1933, The New York Botanical Garden. ANDAnderson, E. and Woodson, R.E. 1935. The species of Tradescantia indigenous to the United States. Arnold Arboretum of Harvard University, Cambridge, MA. Reprinted with permission of the Arnold Arboretum of Harvard University. ANN Hollingworth A. 2005. Original illustrations. Published herein by the Botanical Research Institute of Texas, Fort Worth. Artist: Anne Hollingworth. ANO Anonymous. 1821. Medical botany. E. Cox and Sons, London. ARM Annual Rep. Missouri Bot. Gard. 1889–1912. Missouri Botanical Garden, St. Louis. BA1 Bailey, L.H. 1914–1917. The standard cyclopedia of horticulture. The Macmillan Company, New York. BA2 Bailey, L.H. and Bailey, E.Z. 1976. Hortus third: A concise dictionary of plants cultivated in the United States and Canada. Revised and expanded by the staff of the Liberty Hyde Bailey Hortorium. Cornell University. Macmillan Publishing Company, New York. Reprinted with permission from William Crepet and the L.H. Bailey Hortorium. Cornell University. BA3 Bailey, L.H. 1900–1902. Cyclopedia of American horticulture. Macmillan Publishing Company, New York. BB2 Britton, N.L. and Brown, A. 1913. An illustrated flora of the northern United States, Canada and the British posses- sions. Charles Scribner’s Sons, New York. BEA Beal, E.O. and Thieret, J.W. 1986. Aquatic and wetland plants of Kentucky. Kentucky Nature Preserves Commission, Frankfort. Reprinted with permission of Kentucky State Nature Preserves Commission. -
Developmental and Genetic Mechanisms
Virginia Commonwealth University VCU Scholars Compass Theses and Dissertations Graduate School 2016 INDEPENDENT ORIGINATION OF FLORAL ZYGOMORPHY, A PREDICTED ADAPTIVE RESPONSE TO POLLINATORS: DEVELOPMENTAL AND GENETIC MECHANISMS Ghadeer Bukhari Wenheng Zhang Follow this and additional works at: https://scholarscompass.vcu.edu/etd Part of the Biology Commons, Evolution Commons, and the Molecular Genetics Commons © The Author Downloaded from https://scholarscompass.vcu.edu/etd/4482 This Thesis is brought to you for free and open access by the Graduate School at VCU Scholars Compass. It has been accepted for inclusion in Theses and Dissertations by an authorized administrator of VCU Scholars Compass. For more information, please contact [email protected]. i © Ghadeer Bukhari, 2016 All Rights Reserved i INDEPENDENT ORIGINATION OF FLORAL ZYGOMORPHY, A PREDICTED ADAPTIVE RESPONSE TO POLLINATORS: DEVELOPMENTAL AND GENETIC MECHANISMS A Thesis submitted in partial fulfillment of the requirements for the degree of Master of Science at Virginia Commonwealth University. by GHADEER BUKHARI BACHELOR OF SCIENCE, KING ABDULAZIZ UNIVERSITY, 2009 MASTER OF SCIENCE, VIRGINIA COMMONWEALTH UNIVERSITY, 2016 Director: WENHENG ZHANG, PHD ASSISTANT PROFESSOR, DEPARTMENT OF BIOLOGY Codirector: BONNIE L. BROWN, PHD PROFESSOR AND ASSOCIATE DEPARTMENT CHAIR, DEPARTMENT OF BIOLOGY Virginia Commonwealth University Richmond, Virginia July, 2016 iii Acknowledgements It is a great opportunity and pleasure to express my profound gratitude to a number of people to whom I am greatly in debt and appreciate. To my advisor Dr. Wenheng Zhang, a very special thank you for the inspiration, priceless advice, constant guidance, friendship, mentorship, and continuing gifts of wisdom. Thank you for believing in me and for allowing me to grow as a research scientist. -
View Catalog
Graham-1 Catalog and Literature Guide for Cretaceous and Cenozoic Vascular Plants of the New wo rld Alan Graham Missouri Botanical Garden, P. O. Box 299, St.Louis, Missouri 63166-0299 [email protected] Citation: Graham, A. 2011 et seq. Catalog and literature guide for Cretaceous and Cenozoic vascular plants of the New World. http://www.mobot.org/mobot/research/CatalogFossil/catalog.shtml. Reference: Graham, A. 2012. Catalog and literature guide for Cretaceous and Cenozoic vascular plants of the New World. Annals of the Missouri Botanical Garden 98: 539- 541. Last revision: 3/15/15; 12/31/2019 Graham-2 NULLIS IN VERBA (take no man’s word for it) Motto on the coat of arms of the Royal Society (London) granted by Charles II, September 17, 1662 Notes: Most identifications above family level and tentative generic identifications (e.g., ‘cf.’ or ‘type’) are not included. Fl.= flora; Fm.= formation; Ma- million years; NLR= nearest living relative (see Mosbrugger, 1999; Mosbrugger & Utescher, 1997). Among records of particular biogeographic interest, 1) Hansen et al. (2001) report pollen similar to regionally extinct taxa (including some Asian exotics) in deposits as young as ‘after 2.8 Ma’ (latest Pliocene) from Polk Co., FL: cf. Zamiaceae, cf. Ginkgo, cf. Sciadopitys, Tsuga/Sciadopitys, Tsuga canadensis-type, cf. Tsuga mertensiana, cf. Dacrydium, Podocarpus, Pterocarya, cf. Engelhardtia [Alfaroa-Oreomunnea], cf. Zelkova [Ulmus/Zelkova]. Some of these exotics (Alangium, Engelhardia, Sciadopitys) have been reported from the late middle to early late Miocene Bryn Mawr Formation along the mid-Atlantic Coast (head of Chesapeake Bay, MD; Pazzaglia et al., 1997). -
Heterostyly in Flowering Plants
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Stellenbosch University SUNScholar Repository A study of tristyly in South African Oxalis by Sandy Siqueira Turketti Dissertation presented for the degree of Doctor of Science at the University of Stellenbosch Promoter: Prof. Léanne Laurette Dreyer Co-promoter: Prof. Karen Johan Esler Faculty of Science Department of Botany and Zoology December 2010 DECLARATION I, the undersigned, hereby declare that the work contained in this dissertation is my own, original work, that I am the owner of the copyright thereof and that I have not previously in its entirety or in part submitted it for obtaining any qualification. Signature Date Copyright © 2010 Stellenbosch University All rights reserved ii ABSTRACT This research is a compilation of studies that assessed essential elements of the expression of the tristylous system in members of the genus Oxalis in South Africa. The research is unique in that it is the first comprehensive study on tristyly expression conducted at a generic level. It provides extensive ground work for understanding the tristylous system, paving the way for comparison with other families, genera and species that also express tristyly. The first aim was to assess tristyly through a study of floral morphs at population level. For this, 104 populations were examined across the Western and Northern Cape Provinces of South Africa, including 58 different Oxalis species. Oxalis in South Africa presented considerable variation in the degree of floral morph expression. Stochastic events are likely to explain this variation, but no distinct pattern emerged when relating the data to explanatory variables collected. -
Biodiversité, Origine Et Évolution Des Cunoniaceae : Implications Pour La Conservation De La Flore De Nouvelle-Calédonie Yohan Pillon
Biodiversité, origine et évolution des Cunoniaceae : implications pour la conservation de la flore de Nouvelle-Calédonie Yohan Pillon To cite this version: Yohan Pillon. Biodiversité, origine et évolution des Cunoniaceae : implications pour la conservation de la flore de Nouvelle-Calédonie. Biologie végétale. Université de la Nouvelle-Calédonie, 2008. Français. NNT : 2008NCAL0022. tel-00493106 HAL Id: tel-00493106 https://tel.archives-ouvertes.fr/tel-00493106 Submitted on 18 Jun 2010 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. Université de la Nouvelle-Calédonie Ecole Doctorale : Milieux Insulaires Ultra-Marins THESE Présentée par Yohan PILLON Pour obtenir le grade de Docteur en Sciences de l’Université de la Nouvelle-Calédonie Spécialité : Biologie et Agronomie Biodiversité, origine et évolution des Cunoniaceae : implications pour la conservation de la flore de Nouvelle-Calédonie Soutenue publiquement le 9 décembre 2008 devant le jury composé de : LOWRY II P.P. Curator, Missouri Botanical Garden Rapporteur GEMMILL C.E. Senior lecturer, University of Waikato Rapporteur PONCET V. Chargé de recherche, IRD Montpellier Examinateur AMIR H. Professeur, Université de la Nouvelle-Calédonie Directeur de thèse MUNZINGER J. Chargé de recherche, IRD Nouméa Co-directeur de thèse CHASE M.W.