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Jordan Beans RA RMO Dir
Importation of Fresh Beans (Phaseolus vulgaris L.), Shelled or in Pods, from Jordan into the Continental United States A Qualitative, Pathway-Initiated Risk Assessment February 14, 2011 Version 2 Agency Contact: Plant Epidemiology and Risk Analysis Laboratory Center for Plant Health Science and Technology United States Department of Agriculture Animal and Plant Health Inspection Service Plant Protection and Quarantine 1730 Varsity Drive, Suite 300 Raleigh, NC 27606 Pest Risk Assessment for Beans from Jordan Executive Summary In this risk assessment we examined the risks associated with the importation of fresh beans (Phaseolus vulgaris L.), in pods (French, green, snap, and string beans) or shelled, from the Kingdom of Jordan into the continental United States. We developed a list of pests associated with beans (in any country) that occur in Jordan on any host based on scientific literature, previous commodity risk assessments, records of intercepted pests at ports-of-entry, and information from experts on bean production. This is a qualitative risk assessment, as we express estimates of risk in descriptive terms (High, Medium, and Low) rather than numerically in probabilities or frequencies. We identified seven quarantine pests likely to follow the pathway of introduction. We estimated Consequences of Introduction by assessing five elements that reflect the biology and ecology of the pests: climate-host interaction, host range, dispersal potential, economic impact, and environmental impact. We estimated Likelihood of Introduction values by considering both the quantity of the commodity imported annually and the potential for pest introduction and establishment. We summed the Consequences of Introduction and Likelihood of Introduction values to estimate overall Pest Risk Potentials, which describe risk in the absence of mitigation. -
Phylogenetic Investigations of Sordariaceae Based on Multiple Gene Sequences and Morphology
mycological research 110 (2006) 137– 150 available at www.sciencedirect.com journal homepage: www.elsevier.com/locate/mycres Phylogenetic investigations of Sordariaceae based on multiple gene sequences and morphology Lei CAI*, Rajesh JEEWON, Kevin D. HYDE Centre for Research in Fungal Diversity, Department of Ecology & Biodiversity, The University of Hong Kong, Pokfulam Road, Hong Kong SAR, PR China article info abstract Article history: The family Sordariaceae incorporates a number of fungi that are excellent model organisms Received 10 May 2005 for various biological, biochemical, ecological, genetic and evolutionary studies. To deter- Received in revised form mine the evolutionary relationships within this group and their respective phylogenetic 19 August 2005 placements, multiple-gene sequences (partial nuclear 28S ribosomal DNA, nuclear ITS ribo- Accepted 29 September 2005 somal DNA and partial nuclear b-tubulin) were analysed using maximum parsimony and Corresponding Editor: H. Thorsten Bayesian analyses. Analyses of different gene datasets were performed individually and Lumbsch then combined to generate phylogenies. We report that Sordariaceae, with the exclusion Apodus and Diplogelasinospora, is a monophyletic group. Apodus and Diplogelasinospora are Keywords: related to Lasiosphaeriaceae. Multiple gene analyses suggest that the spore sheath is not Ascomycota a phylogenetically significant character to segregate Asordaria from Sordaria. Smooth- Gelasinospora spored Sordaria species (including so-called Asordaria species) constitute a natural group. Neurospora Asordaria is therefore congeneric with Sordaria. Anixiella species nested among Gelasinospora Sordaria species, providing further evidence that non-ostiolate ascomata have evolved from ostio- late ascomata on several independent occasions. This study agrees with previous studies that show heterothallic Neurospora species to be monophyletic, but that homothallic ones may have a multiple origins. -
A Metagenomic Approach to Understand Stand Failure in Bromus Tectorum
Brigham Young University BYU ScholarsArchive Theses and Dissertations 2019-06-01 A Metagenomic Approach to Understand Stand Failure in Bromus tectorum Nathan Joseph Ricks Brigham Young University Follow this and additional works at: https://scholarsarchive.byu.edu/etd BYU ScholarsArchive Citation Ricks, Nathan Joseph, "A Metagenomic Approach to Understand Stand Failure in Bromus tectorum" (2019). Theses and Dissertations. 8549. https://scholarsarchive.byu.edu/etd/8549 This Thesis is brought to you for free and open access by BYU ScholarsArchive. It has been accepted for inclusion in Theses and Dissertations by an authorized administrator of BYU ScholarsArchive. For more information, please contact [email protected], [email protected]. A Metagenomic Approach to Understand Stand Failure in Bromus tectorum Nathan Joseph Ricks A thesis submitted to the faculty of Brigham Young University in partial fulfillment of the requirements for the degree of Master of Science Craig Coleman, Chair John Chaston Susan Meyer Department of Plant and Wildlife Sciences Brigham Young University Copyright © 2019 Nathan Joseph Ricks All Rights Reserved ABSTACT A Metagenomic Approach to Understand Stand Failure in Bromus tectorum Nathan Joseph Ricks Department of Plant and Wildlife Sciences, BYU Master of Science Bromus tectorum (cheatgrass) is an invasive annual grass that has colonized large portions of the Intermountain west. Cheatgrass stand failures have been observed throughout the invaded region, the cause of which may be related to the presence of several species of pathogenic fungi in the soil or surface litter. In this study, metagenomics was used to better understand and compare the fungal communities between sites that have and have not experienced stand failure. -
Morinagadepsin, a Depsipeptide from the Fungus Morinagamyces Vermicularis Gen. Et Comb. Nov
microorganisms Article Morinagadepsin, a Depsipeptide from the Fungus Morinagamyces vermicularis gen. et comb. nov. Karen Harms 1,2 , Frank Surup 1,2,* , Marc Stadler 1,2 , Alberto Miguel Stchigel 3 and Yasmina Marin-Felix 1,* 1 Department Microbial Drugs, Helmholtz Centre for Infection Research, Inhoffenstrasse 7, 38124 Braunschweig, Germany; [email protected] (K.H.); [email protected] (M.S.) 2 Institute of Microbiology, Technische Universität Braunschweig, Spielmannstrasse 7, 38106 Braunschweig, Germany 3 Mycology Unit, Medical School and IISPV, Universitat Rovira i Virgili, C/ Sant Llorenç 21, 43201 Reus, Tarragona, Spain; [email protected] * Correspondence: [email protected] (F.S.); [email protected] (Y.M.-F.) Abstract: The new genus Morinagamyces is introduced herein to accommodate the fungus Apiosordaria vermicularis as inferred from a phylogenetic study based on sequences of the internal transcribed spacer region (ITS), the nuclear rDNA large subunit (LSU), and partial fragments of ribosomal polymerase II subunit 2 (rpb2) and β-tubulin (tub2) genes. Morinagamyces vermicularis was analyzed for the production of secondary metabolites, resulting in the isolation of a new depsipeptide named morinagadepsin (1), and the already known chaetone B (3). While the planar structure of 1 was elucidated by extensive 1D- and 2D-NMR analysis and high-resolution mass spectrometry, the absolute configuration of the building blocks Ala, Val, and Leu was determined as -L by Marfey’s method. The configuration of the 3-hydroxy-2-methyldecanyl unit was assigned as 22R,23R by Citation: Harms, K.; Surup, F.; Stadler, M.; Stchigel, A.M.; J-based configuration analysis and Mosher’s method after partial hydrolysis of the morinagadepsin Marin-Felix, Y. -
I V the Role of Seedling Pathogens in Temperate Forest
The Role of Seedling Pathogens in Temperate Forest Dynamics by Michelle Heather Hersh University Program in Ecology Duke University Date:_______________________ Approved: ___________________________ James S. Clark, Co-Supervisor ___________________________ Rytas Vilgalys, Co-Supervisor ___________________________ Marc A. Cubeta ___________________________ Katharina Koelle ___________________________ Daniel D. Richter Dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the University Program in Ecology in the Graduate School of Duke University 2009 i v ABSTRACT The Role of Seedling Pathogens in Temperate Forest Dynamics by Michelle Heather Hersh University Program in Ecology Duke University Date:_______________________ Approved: ___________________________ James S. Clark, Co-Supervisor ___________________________ Rytas Vilgalys, Co-Supervisor ___________________________ Marc A. Cubeta ___________________________ Katharina Koelle ___________________________ Daniel D. Richter An abstract of a dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the University Program in Ecology in the Graduate School of Duke University 2009 Copyright by Michelle Heather Hersh 2009 Abstract Fungal pathogens likely play an important role in regulating populations of tree seedlings and preserving forest diversity, due to their ubiquitous presence and differential effects on survival. Host-specific mortality from natural enemies is one of the most widely tested hypotheses in community ecology to explain the high biodiversity of forests. The effects of fungal pathogens on seedling survival are usually discussed under the framework of the Janzen-Connell (JC) hypothesis, which posits that seedlings are more likely to survive when dispersed far from the parent tree or at low densities due to pressure from host-specific pathogens (Janzen 1970, Connell 1971). -
AR TICLE Recommended Names for Pleomorphic Genera In
IMA FUNGUS · 6(2): 507–523 (2015) doi:10.5598/imafungus.2015.06.02.14 Recommended names for pleomorphic genera in Dothideomycetes ARTICLE Amy Y. Rossman1, Pedro W. Crous2,3, Kevin D. Hyde4,5, David L. Hawksworth6,7,8, André Aptroot9, Jose L. Bezerra10, Jayarama D. Bhat11, Eric Boehm12, Uwe Braun13, Saranyaphat Boonmee4,5, Erio Camporesi14, Putarak Chomnunti4,5, Dong-Qin Dai4,5, Melvina J. D’souza4,5, Asha Dissanayake4,5,15, E.B. Gareth Jones16, Johannes Z. Groenewald2, Margarita Hernández-Restrepo2,3, Sinang Hongsanan4,5, Walter M. Jaklitsch17, Ruvishika Jayawardena4,5,12, Li Wen Jing4,5, Paul M. Kirk18, James D. Lawrey19, Ausana Mapook4,5, Eric H.C. McKenzie20, Jutamart Monkai4,5, Alan J.L. Phillips21, Rungtiwa Phookamsak4,5, Huzefa A. Raja22, Keith A. Seifert23, Indunil Senanayake4,5, Bernard Slippers3, Satinee Suetrong24, Kazuaki Tanaka25, Joanne E. Taylor26, Kasun M. Thambugala4,5,27, Qing Tian4,5, Saowaluck Tibpromma4,5, Dhanushka N. Wanasinghe4,5,12, Nalin N. Wijayawardene4,5, Saowanee Wikee4,5, Joyce H.C. Woudenberg2, Hai-Xia Wu28,29, Jiye Yan12, Tao Yang2,30, Ying Zhang31 1Department of Botany and Plant Pathology, Oregon State University, Corvallis, Oregon 97331, USA; corresponding author e-mail: amydianer@ yahoo.com 2CBS-KNAW Fungal Biodiversity Institute, Uppsalalaan 8, 3584 CT Utrecht, The Netherlands 3Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria 0002, South Africa 4Center of Excellence in Fungal Research, School of Science, Mae Fah -
Cover Page the Handle Holds
Cover Page The handle http://hdl.handle.net/1887/44782 holds various files of this Leiden University dissertation Author: Semenova, Tatiana A. Title: Fungi of the greening Arctic : compositional and functional shifts in response to climatic changes Issue Date: 2016-12-07 CChhaapptteerr 22 LONG-TERM EXPERIMENTAL WARMING ALTERS COMMUNITY COMPOSITION OF ASCOMYCETES IN ALASKAN MOIST AND DRY ARCTIC TUNRA Tatiana A Semenova, Luis N Morgado, Jeffrey M Welker, Marilyn D Walker, Erik Smets, József Geml Published in Molecular Ecology (2015) Jan;24(2):424-37. doi: 10.1111/mec.13045 Abstract Arctic tundra regions have been responding to global warming with visible changes in plant community composition, including expansion of shrubs and declines in lichens and bryophytes. Even though it is well-known that the majority of arctic plants are associated with their symbiotic fungi, how fungal community composition will be different with climate warming remains largely unknown. In this study, we addressed the effects of long-term (18 years) experimental warming on the community composition and taxonomic richness of soil ascomycetes in dry and moist tundra types. Using deep Ion Torrent sequencing we quantified how OTU assemblage and richness of different orders of Ascomycota changed in response to summer warming. Experimental warming significantly altered ascomycete communities with stronger responses observed in the moist tundra compared to dry tundra. The proportion of several lichenized and moss-associated fungi decreased with warming, while the proportion of several plant and insect pathogens and saprotrophic species was higher in the warming treatment. The observed alterations in both taxonomic and ecological groups of ascomycetes are discussed in relation to previously reported warming-induced shifts in arctic plant communities, including decline in lichens and bryophytes and increase in coverage and biomass of shrubs. -
Leaf-Inhabiting Genera of the Gnomoniaceae, Diaporthales
Studies in Mycology 62 (2008) Leaf-inhabiting genera of the Gnomoniaceae, Diaporthales M.V. Sogonov, L.A. Castlebury, A.Y. Rossman, L.C. Mejía and J.F. White CBS Fungal Biodiversity Centre, Utrecht, The Netherlands An institute of the Royal Netherlands Academy of Arts and Sciences Leaf-inhabiting genera of the Gnomoniaceae, Diaporthales STUDIE S IN MYCOLOGY 62, 2008 Studies in Mycology The Studies in Mycology is an international journal which publishes systematic monographs of filamentous fungi and yeasts, and in rare occasions the proceedings of special meetings related to all fields of mycology, biotechnology, ecology, molecular biology, pathology and systematics. For instructions for authors see www.cbs.knaw.nl. EXECUTIVE EDITOR Prof. dr Robert A. Samson, CBS Fungal Biodiversity Centre, P.O. Box 85167, 3508 AD Utrecht, The Netherlands. E-mail: [email protected] LAYOUT EDITOR Marianne de Boeij, CBS Fungal Biodiversity Centre, P.O. Box 85167, 3508 AD Utrecht, The Netherlands. E-mail: [email protected] SCIENTIFIC EDITOR S Prof. dr Uwe Braun, Martin-Luther-Universität, Institut für Geobotanik und Botanischer Garten, Herbarium, Neuwerk 21, D-06099 Halle, Germany. E-mail: [email protected] Prof. dr Pedro W. Crous, CBS Fungal Biodiversity Centre, P.O. Box 85167, 3508 AD Utrecht, The Netherlands. E-mail: [email protected] Prof. dr David M. Geiser, Department of Plant Pathology, 121 Buckhout Laboratory, Pennsylvania State University, University Park, PA, U.S.A. 16802. E-mail: [email protected] Dr Lorelei L. Norvell, Pacific Northwest Mycology Service, 6720 NW Skyline Blvd, Portland, OR, U.S.A. -
1 a Native and an Invasive Dune Grass Share
A native and an invasive dune grass share similar, patchily distributed, root-associated fungal communities Renee B Johansen1, Peter Johnston2, Piotr Mieczkowski3, George L.W. Perry4, Michael S. Robeson5, 1 6 Bruce R Burns , Rytas Vilgalys 1: School of Biological Sciences, The University of Auckland, Private Bag 92019, Auckland Mail Centre, Auckland 1142, New Zealand 2: Landcare Research, Private Bag 92170, Auckland Mail Centre, Auckland 1142, New Zealand 3: Department of Genetics, University of North Carolina, Chapel Hill, North Carolina, U.S.A. 4: School of Environment, The University of Auckland, Private Bag 92019, Auckland, New Zealand 5: Fish, Wildlife and Conservation Biology, Colorado State University, Fort Collins, CO, USA 6: Department of Biology, Duke University, Durham, NC 27708, USA Corresponding author: Renee Johansen, Ph: +64 21 0262 9143, Fax: +64 9 574 4101 Email: [email protected] For the published version of this article see here: https://www.sciencedirect.com/science/article/abs/pii/S1754504816300848 1 Abstract Fungi are ubiquitous occupiers of plant roots, yet the impact of host identity on fungal community composition is not well understood. Invasive plants may benefit from reduced pathogen impact when competing with native plants, but suffer if mutualists are unavailable. Root samples of the invasive dune grass Ammophila arenaria and the native dune grass Leymus mollis were collected from a Californian foredune. We utilised the Illumina MiSeq platform to sequence the ITS and LSU gene regions, with the SSU region used to target arbuscular mycorrhizal fungi (AMF). The two plant species largely share a fungal community, which is dominated by widespread generalists. -
On a New Species of Chaetomidium, C. Vicugnae, with a Cephalothecoid
On a new species of Chaetomidium, C. vicugnae, with a cepha- lothecoid peridium and its relationships with Chaetomiaceae (Sordariales) Francesco DOVERI Abstract: a sample of vicuña dung from a Chilean coastal desert was submitted to the attention of the au- thor, who at first sight noticed the presence of different pyrenomycetes. several hairy cleistothecia particu- larly caught his attention and were subjected to a morphological study that proved them to belong to a new species of Chaetomidium. after mentioning the main features of Sordariales and Chaetomiaceae, the author describes in detail the macro-and microscopic characters of the new species Chaetomidium vicugnae Ascomycete.org, 10 (2) : 86–96 and compares it with all the other Chaetomidium spp. with a cephalothecoid peridium. The extensive dis- Mise en ligne le 22/04/2018 cussion focuses on the characterization and relationships of the genus Chaetomidium and Chaetomidium 10.25664/ART-0231 vicugnae within the complex family Chaetomiaceae. all collections of the related species are recorded and dung is regarded as the preferential substrate. Keys are provided to sexual morph genera of Chaetomiaceae and to Chaetomidium species with a cephalothecoid peridium. Keywords: ascomycota, coprophily, germination, homoplasy, morphology, peridial frame, systematics. Introduction zing the importance of a future systematic study of vicuña dung for a better knowledge of the generic relationships in this family. My studies on coprophilous ascomycetes (Doveri, 2004, 2011) al- lowed me to meet with several representatives of Sordariales Cha- Materials and methods def. ex D. Hawksw. & o.e. erikss., an order identifiable with the so called “pyrenomycetes” s.str., i.e. -
Complete Issue
J. Fernholz and Q.E. Phelps – Influence of PIT tags on growth and survival of banded sculpin (Cottus carolinae): implications for endangered grotto sculpin (Cottus specus). Journal of Cave and Karst Studies, v. 78, no. 3, p. 139–143. DOI: 10.4311/2015LSC0145 INFLUENCE OF PIT TAGS ON GROWTH AND SURVIVAL OF BANDED SCULPIN (COTTUS CAROLINAE): IMPLICATIONS FOR ENDANGERED GROTTO SCULPIN (COTTUS SPECUS) 1 2 JACOB FERNHOLZ * AND QUINTON E. PHELPS Abstract: To make appropriate restoration decisions, fisheries scientists must be knowledgeable about life history, population dynamics, and ecological role of a species of interest. However, acquisition of such information is considerably more challenging for species with low abundance and that occupy difficult to sample habitats. One such species that inhabits areas that are difficult to sample is the recently listed endangered, cave-dwelling grotto sculpin, Cottus specus. To understand more about the grotto sculpin’s ecological function and quantify its population demographics, a mark-recapture study is warranted. However, the effects of PIT tagging on grotto sculpin are unknown, so a passive integrated transponder (PIT) tagging study was performed. Banded sculpin, Cottus carolinae, were used as a surrogate for grotto sculpin due to genetic and morphological similarities. Banded sculpin were implanted with 8.3 3 1.4 mm and 12.0 3 2.15 mm PIT tags to determine tag retention rates, growth, and mortality. Our results suggest sculpin species of the genus Cottus implanted with 8.3 3 1.4 mm tags exhibited higher growth, survival, and tag retention rates than those implanted with 12.0 3 2.15 mm tags. -
Savoryellales (Hypocreomycetidae, Sordariomycetes): a Novel Lineage
Mycologia, 103(6), 2011, pp. 1351–1371. DOI: 10.3852/11-102 # 2011 by The Mycological Society of America, Lawrence, KS 66044-8897 Savoryellales (Hypocreomycetidae, Sordariomycetes): a novel lineage of aquatic ascomycetes inferred from multiple-gene phylogenies of the genera Ascotaiwania, Ascothailandia, and Savoryella Nattawut Boonyuen1 Canalisporium) formed a new lineage that has Mycology Laboratory (BMYC), Bioresources Technology invaded both marine and freshwater habitats, indi- Unit (BTU), National Center for Genetic Engineering cating that these genera share a common ancestor and Biotechnology (BIOTEC), 113 Thailand Science and are closely related. Because they show no clear Park, Phaholyothin Road, Khlong 1, Khlong Luang, Pathumthani 12120, Thailand, and Department of relationship with any named order we erect a new Plant Pathology, Faculty of Agriculture, Kasetsart order Savoryellales in the subclass Hypocreomyceti- University, 50 Phaholyothin Road, Chatuchak, dae, Sordariomycetes. The genera Savoryella and Bangkok 10900, Thailand Ascothailandia are monophyletic, while the position Charuwan Chuaseeharonnachai of Ascotaiwania is unresolved. All three genera are Satinee Suetrong phylogenetically related and form a distinct clade Veera Sri-indrasutdhi similar to the unclassified group of marine ascomy- Somsak Sivichai cetes comprising the genera Swampomyces, Torpedos- E.B. Gareth Jones pora and Juncigera (TBM clade: Torpedospora/Bertia/ Mycology Laboratory (BMYC), Bioresources Technology Melanospora) in the Hypocreomycetidae incertae