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APS Virology Committee, American Phytopathological Society (APS). The Virology Committee of APS provides a forum for discussion of issues in plant pathology that are important to plant virologists. The site identifies current members and terms, provides minutes of the annual meeting, lists of committee-sponsored events, links of use to plant virologists, job listing possibilities and an e-mail forum.
The Beginning of Virology (the TMV story), feature of the American Phytopathological Society. Available: a photo gallery, related sites and three featured articles: Concerning a Contagium Vivum Fluidium as a Cause of the Spot-Disease of Tobacco Leaves (pdf-format), The Discovery of the Causal Agent of the Tobacco Mosaic Virus Disease (pdf-format) and Tobacco Mosaic Virus: Pioneering Research for a Century. You should also read the other stories of the monthly feature series of APS
The Big Picture Book of Viruses, maintained by the Garry Lab, Tulane University School of Medicine. Find virus pictures by name (virus family, individual viruses), by structure & genome (genome type, grouped by Baltimore method) or by host. There are also guides to virus structure and links to on-line courses.
Biophysics with viruses, Wageningen NMR Center, Netherlands. Topics: protein-nucleic acid interactions, protein-lipid interactions, cowpea chlorotic mottle virus (CCMV).
Bymovirus Home Page, maintained by M. Adams & J. Antoniw, Plant Pathology Department at Rothamsted, Institute of Arable Crop Research (IACR). Available: general description, micrographs, Genome Maps, Sequences and References.
Caulimoviridae Web SIte, International Laboratory for Tropical Agricultural Biotechnology (ILTAB), located at Donald Danforth Plant Science Center, ST. Louis, USA. Available Information: Caulimoviridae (detailed descriptions of Badnavirus and Caulimovirus), references, database (including DNA and amino acid sequences), figures, links and general information.
Cowpea Chlorotic Mottle Virus (CCMV) Information, Wageningen Agricultural University (WAU), The Netherlands. Available: Introduction, Structure of CCMV, Protein Structure (subunit composition, virus structures, stabilization by Ca++, substructure organization) and Interactions with RNA. Further available: A picture gallery. The pictures of CCMV are of high quality.
Department of Plant Virology, Institute of Plant Molecular Biology, Academy of Sciences of the Czech Republic, Ceske Budejovice, Czech Republic. Available: Research Topics, Staff, News, Papers, Lectures and Reference Laboratory. You will find descriptions for each research project. The deapartment is reference phytosanitary diagnostic lab of selected quarrantine plant viruses and virus-related organisms.
GeminiNet, International Laboratory for Tropical Agicultural Biotechnology (ILTAB), located at Donald Danforth Plant Science Center, ST. Louis, USA. GeminiNet will send and receive messages relative to geminiviruses, whitefly and leafhopper transmission of geminiviruses, meetings, techniques, protocoles, references, databases, pictures. Available Services: Geminiviridae (working group members, descriptions...), sequence database, reference database, Geminivirus Genes, ICTV descriptions, GeminiNet News. If you are working on or interested in geminiviruses this is definitely your first stop on the web.
High Plains Virus (HPV), by S.G. Jensen, USDA-ARS, Department of Plant Pathology, University of Nebraska, Lincoln. The high plains virus (HPV) a newly emerging problem of maize and wheat with world wide implivations. This document covers following topics: Introduction, symptoms (with photos), and references.
Index Virum: The Index Virum is a collection of index files which link to lists containing all virus family, genus and species names found in: The Classification and Nomenclature of Viruses. "Sixth Report of the International Committee on Taxonomy of Viruses" (1995. Eds.: F.A. Murphy, C.M. Fauquet, M.A. Mayo, A.W. Jarvis, S.A. Ghabrial, M.D. Summers, G.P. Martelli, D.H.L. Bishop. Archives of Virology, Springer Verlag, Wien New York.
Institute for Molecular Virology, University of Wisconsin, Madison, USA. Available information: about the server, news, resources, multimedia library (computer visualizations, electron micrographs of viruses), distance learning (including tutorials and how to develop a virology course), events and more. In resources you will find articles on a variety of topics, emerging viruses and also some links to plant viruses. The server features a virus of the month.
International Committee on Taxonomy of Viruses (ICTV), Virology Division, International Union of Microbiological Societies. Introduction, meetings, activities. Overview of Taxa recognized by ICTV. Diagramms of taxa (includes viruses on plants). Listings of taxa alphabetically, by host and by genomic nucleic acid. Links and more.
International Laboratory for Tropical Agricultural Biotechnology (ILTAB), headed by C. Fauqet, located at Donald Danforth Plant Science Center, ST. Louis, USA. ILTAB is involved in research of tropical crops, using genetic engineering technologies to improve disease resistance and quality of food crops, including rice, cassava and tomato. Beside projects on these three major crops ILTAB is also working on yam, sweet potato, cotton, sugarcane, and a number of other tropical and sub-tropical crops. Available: general information, research projects, personnel, publications and more. Links to: Caulimoviridae Web Site, Gemini Web Page, Poty Web Page, RYMV Web Page.
The International Working Group On Plant Viruses With Fungal Vectors (IWGPVFV), site located at IACR-Rothamsted, UK. IWGPVFV exists to encourage research, contacts and communication for anyone interested in plant viruses transmitted by fungi/fungal vectors. Available: about, meetings, committee (and members) and relevant links.
Laboratory of Virology, Department of Plant Sciences, Wageningen University (WU), Wageningen, Netherlands. Research: Virus-Host Interactions, Natural and Engineered Host Resistance, Transmission and Epidemiology of Plant Viruses, Baculovirus DNA Replication and Gene Expression in Relation to, Host Range and Virulence, Development and Use of Baculoviruses as Viral Gene Vectors and Biocontrol of Pest Insects. Tospoviruses and Comoviruses are used as model systems. For these groups you will find very detailed information. Further available: profile, organization, education and links.
Le Département Virologie Moleculaire et Cellulaire Vegetale (Plant Molecular and Celluar Virology), l'Institut de Biologie Moléculaire des Plantes (IBMP), Centre National de la Recherche Scientifique, Strasbourg, France. Current research topics: Beet Necrotic Yellow Vein Furovirus, Beet Western Yellows Luteovirus and related viruses, Role of two proteins encoded by Tomato Black Ring Virus RNAs Organisation and expression of Peanut Clump Virus, Expression of Nepovirus Genomes : Grapevine Fanleaf Virus and Arabis Mosaic Virus, Functional Analysis of the Alfalfa Mosaic Virus movement proteins. Further information: Some Links, Staff of the department and their personell pages.
Maize Streak Virus (Home Page), maintained by E. Rybicki, Department of Microbiology, University of Cape Town, South Africa. Available: introduction, Geminiviridae, Mastreviruses (including structure, genomesand diversity), and Maize Streak Virus (MSV) information. MSV information: symptoms, effects, variation, database, reports, MSV Labe at Cape Town, symptom quantitation and more. Further available: The Fuller Report on MSV from 1901. The MSV page gives you a very detailed insight not only for this virus but for the hole virus group to which MSV belongs. Highly useful.
Ulrich Melcher's Lab, Department of Biochemistry and Molecular Biology, Oklahoma State University, Stillwater, Oklahoma, USA. Current research: Fitness of Recombinants (recombination and competition within the group of tobamoviruses), Complementation of viral movement (movement proteins, complemantation of tobamoviruses and cauliflower mosaic), Movement genes and proteins, Viral synergy (CaMV, TVCV), Spiroplasma genomes. Available information: Mission, Publications details on personnel, current and past research projects.
W. Allen Miller's Laboratory, Molecular Plant Virology, Department of Plant Pathology, Iowa State University, USA. Research: Translational Control of Gene Expression, Viral and Satellite RNA Replication, Transgenic Resistance and the BYDV Genome Project. Further available: Publications, Sequences (BYDV-PAV and BYDV-RPV genomic RNA, satellite RPV RNA), pictures of oats infected with BYDV and some links.
Molecular Genetics of Plant-Virus Interactions, McGill University, Canada. Research Topics: High resolution genetic mapping of the Tu resistance gene conferring resistance to Turnip Mosaic Virus, Identification of a plant receptor for a viral coat protein, Identification of plant proteins interacting with TuMV viral proteins, Characterization of Arabidopsis's response to Turnip Mosaic Virus infection, markers linked to QTLs in barley.
Molecular Plant Pathology Laboratory (MPPL), USDA, ARS, Beltsville. Researching viroids, viruses, viral satellites, mycoplasmalike organisms (MLO, phytoplasmas), rust disease resistance in beans, and host-pathogen recognition. Available Information on How to reach MPPL, Research & Staff.
Picorna-like-viruses of Invertebrates, the virus pages of the Institute for Animal Health (IAH), UK. Here you will also find information on viruses which infect pest insects of plants like Acyrthosiphon pisum virus (APV) which infects the pea aphid or the Rhopalosiphum padi virus. Available: Seaquence database, list of Picorna-like viruses of Invertebrates, characteristics of Acyrthosiphon pisum virus, references and more.
Plant Molecular Virology, Centro de Investigaciones Biológicas, Department of Plant Biology, Spain. Biological control of economically important plant virus diseases. (1)the characterization of new, agriculturally interesting viruses, (2)the study of the biology of plant virus satellites and defective interfering RNAs and their regulatory role in viral expression (3)the analysis of transgenic resistance strategies to viruses in plants.
Plant Viruses Online, Descriptions and Lists from the VIDE Database. Brunt, A.A., Crabtree, K., Dallwitz, M.J., Gibbs, A.J., Watson, L. and Zurcher, E.J. (eds.) (1996 onwards). `Plant Viruses Online: Descriptions and Lists from the VIDE Database. Version: 20th August 1996.' Information on most species of virus known to infect plants, not only those whose virions have been described, but also those like umbraviruses that have no virion protein genes of their own, and use the virion proteins of their symbiotic helper viruses instead. Plant Viruses Online - do not miss to visit this site!
The Rhabdovirus Homepage, Institute for Animal Health (IAH), Pirbright Laboratory, United Kingdom. Although is mainly concentrated on animal rhabdoviruses you will also find some information on plant viruses here.
Poty Web Page, International Laboratory for Tropical Agricultural Biotechnology (ILTAB), located at Donald Danforth Plant Science Center, ST. Louis, USA. Server site provides information on virus family potyviridae (potyvirus, bymovirus, rymovirus). Available: general information, study group, members, ICTV descriptions, sequence databases, references.
Ed Rybicki's Home Page, Department of Microbiology, University of Capetown. Molecular & General Virology. Research interests: Diversity of southern African Subgroup 1 Geminiviridae, and the molecular determinants of pathogenicity and host range in these viruses, and in the engineering of crop plants for the expression of novel substances. Molecular phylogenetic studies on viruses (Potyviridae and Geminiviridae). There are a number of essays available, e. g. "Emerging and Re-Emerging Virus Diseases: A Challenge for Biotechnology." or a song called "The Wild Researcher Boy".
Sequences of Plant Viruses and Viroids. Plant Pathology Department, Institute of Arable Crop Research (IACR), UK. Current sequence information from the EMBL and Genbank databases (maintained by M. Adams)
Anne Simon's Turnip Crinkle Virus Lab Home Page, Department of Biochemistry and Molecular Biology, University of Massachusetts at Amherst, USA. This Lab developed the turnip crinkle virus (TCV) system as a model to study sequences and structures involved in replication and recombination of RNA templates and the interactions between the virus, host and parasitic subviral RNAs that lead to symptom production or host resistance. Available: Selves (lab members and pictures), lab resources, publications and links. Available in publications: Viral and Subviral RNA Replication, RNA Recombination, 3'-End Repair and Virus-Host Interactions (the TCV-Arabidopsis System). here you will find detailed information with abstracts of the publications.
SLU-Alnarp, Virology, Department of Plant Protection, SLU Alnarp - Sveriges Lantbruks Universitet, Sweden. Research areas: Virus testing of seed potatoes. Links.
Plant Diseases (Viruses), a series of NebGuides published by the Cooperative Extension, Inst. of Agriculture and Natural Resources, Univ. Nebraska Lincoln. Virus Diseases covered: Rose Mosaic and Rose Rosette, Wheat Streak Mosaic Disease, Soil-Borne Wheat Mosaic, Barley Yellow Dwarf Disease. For each disease you get information on: Sypmtoms, Virus, Transmission, Host Range, Disease Cycle and Control. With Images.
Structural Biology Lab, Vanderbilt University. Under heading "Fiber Diffraction" you will find 'Structural Studies of Helical Plant Viruses'. Covered are the following groups of viruses: Tobamovirus, Potexvirus, Potyvirus and Furovirus. Information available (not for each group): Members of that group, structures and images, coat protein sequence, sequence analysis, symmetric subunit generator. Further Information on this server: Software Archiv, Links to other Biological Science Server, X-ray christallography, general resources. Under heading "Local Web Resources" you will find links to the homepage of this Group.
Transgenic virus resistant papaya, feature of the American Phytopathological Society. Available: the feature article on transgenic virus resistant papaya: New hope for controlling papaya ringspot virus in Hawaii and related sites.
Tropical Virus Unit, Institute of Arable Crops Research (IACR), Rothamsted, UK. The unit provides advice and comment on diseases, identification and characterisation of viruses, phytoplasmas and fastidious plant pathogens or training in diagnostics. Crops: sugarcane, date palm, pepper, cucurbits among ohers. You can contact the TVU for further information.
Vegetable Viruses Working Groups (VVWG), International Society for Horticultural Sciences (ISHS). Service maintained by the Istituto di Fitovirologia Applicata, Turin, Italy. Available: General information, Objectives & Organization, Steering Committe, News, Members’ Addresses, Application Form adn more.
Virology Department, Scottish Crop Research Institute (SCRI). Research Units: Molecular Virology and Plant Interactions (Virus Replication, Virus Movement, Mechanisms of Resistance, CMV, PVX, PEBV), Virus Resistance (Host Resistance Genes, Transgenic Resistance), Virus-Vector Interactions, Antibody Biotechnology & Diagnosis, and Agrobiotechnology.
Virus database on-line (ICTVdB), maintained by Australian National University's Bioinformatics Facility, Research School of Biological Sciences, Institute of Advanced Studies, Australian National University, Australia. ICTVdB provides access to the ICTV (International Committee on Taxonomy of Viruses), the Index Virum, a catalogue of all ICTV approved virus names, the universal virus database containg the descriptions of viruses and to an picture gallery of viruses. Many more features in the suite of databases are described and accessible from the homepage. The plant virus database VIDE (Virus Identification Data Exchange) is now fully incorporated into ICTVdB and will not be maintained as a separated database. All databses have links to other prominent websites available around the world which are devoted to information about viruses, along with short, clear descriptions of each of them. Yyou will also find information on the VIDEdB Plant Virus Online Project. Mirror sites are available in USA and UK. Plant Virologists have to stop here, it is a must.
Virus Disease Management in Small Grains, Virginia Cooperative Extension, Virginia State University. Wheat: Barley Yellow Dwarf, Wheat Spindle Streak, Barley: Barley Yellow Dwarf. Avalaible Information: Biological Description (with images), Control Recommondations (Cultivars, Management Practices, Pesticides).
Virus Diseases in Plants, by T. Lundsgaard, Department of Plant Biology, Royal Veterinary and Agricultural University, Taastrup, Denmark. This site includes pictures of symptoms in crop plants due to virus infection. Each disease is linked to the VIDE database. Also avaailble are the danish names of the virus diseases.
'Virus'-Free Deciduous Fruit Crops, National Research Support Project-5 (NRSP-5), Washington State University: This project, formerly known as Interregional Project-2 (IR-2), develops deciduous fruit tree clones that are free of detectable viruses and other graft-transmissible pathogens (hereafter, referred to collectively as "viruses").
Viruses of Plants in Australia, discription of viruses, their distribution, host plants, vectors and agricultural aspects. Part of the Virus Identification Data Exchange project (VIDE), developed by A.J. Gibbs of the Australian National University, Research School of Biological Sciences.
Virus resistance genes in potato, from Topics in Plant Pathology (TIPP), Scottish Crop Research Institute (SCRI), Invergowrie, Scotland. Here you will find list of viruses covered, definitions of different types of resistance, major resistance genes, virus resistance genes in potato, and examples. This site is part of TIPP Virology which also features information on virus taxonomy.
Virus resitant transgenic plants, a public meeting held on August 5, 1997. Maintained by Biotechnology and Scientific Services (BSS) of APHIS, USDA. Summary of the meeting including topics like risk of recombinant viruses, full length replicase as a model system, stacking of resistance transgenes, and geminiviruses. Besides the meeting material background information is provided. There is a link to the AIBS Transgenic Virus-Resistant Plants and New Plant Viruses Workshop held in 1995. The entire workshop document is available in PDF.This workshop covers topics like Recombination between Plant RNA Viruses, Recombination between Plant RNA Viruses and Viral Transgenes, Transcapsidation and Synergism...and more.
Virus Slide Show by Agdia, the Easy-to-use test kits, reagents and laboratory testing services to detect plant pathogens. Viruses in the slide show: Tomato Spotted Wilt Virus (TSWV), Alfalfa Mosaic, tobacco streak, papaya ringspot, TMV among several others.
Virus test-kits, see also company section: Agdia Incorporation
The WWW Virtual Library: Microbiology and Virology (Biosciences)
Xiong's Virology Page, Department of Plant Pathology, College of Agriculture, University of Arizona. Research: Molecular biology of plant viruses and virus-host interactions; virus recombination; molecular mechanisms of plant resistance and evolution of viral pathogenicity. Special Topics: (1) Replicase and Replication of Red Clover Necrotic Mosaic Virus, (2) Molecular characterization of saguaro cactus virus, (3) Resistance to and Resistance-breaking of Potato Virus Y (PVY), (4) Cotton Leaf Curl Virus is Distinct from Cotton Leaf Crumple Virus. You will also find taxonomy and description of plant viruses and an online course in molecular plant virology. Lab members, contact, publications.