...from A to Z
Fire Blight
Mycoplasma, Phytoplasma
Pierce's Disease (Xylella fastidiosa)

... from A to Z:

The APS Bacteriology Committee, maintained by W.W. C. Chun for the American Phytopathological Society, Department of Plant, Soil and Entomological Sciences, University of Idaho, Moscow, USA. Available: announcements, discussion forum, nomenclature of bacteria, pathovar letter, laboratory guide, pest management, links to bacteriologists and more.

Bacterial Disease, by J.E. Partridge, University of Nebraska Lincoln, Department of Plant Pathology. Bacterial Diseases is part of an online available course in Plant Pathology. You will find diseases caused by species of Erwinia, Clavibacter, Corynebacterium, Pseudomonas, Xanthomonas, and Agrobacterium. Where appropriate you will be directed to another website, which provides the information on a special disease. On the homepage of "Introductory Plant Pathology" you will also find general information on bacteria (section #11) in Plant Pathology Concepts and Principles. This site is an outstanding educational resource on the web.

Bacterial Nomenclature Up-to-Date, compiled by the German Collection of Microorganisms (DSMZ, Germany). A searchable copy of the DSMZ database is available from the Base de Dados Tropical (BDT, Brasil).

Bacterial Plant Pathology Unit, Scottish Crop Research Institute (SCRI). Research Topics: Plant resistance mechanisms to the soft-rot erwinias, Ecology and epidemiology of Erwinia carotovora, Pathogenicity mechanisms of Erwinia carotovora.

Bacterial Ringspot of Potato, Clavibacter michiganense pv. sepedonicum. US Pest Management Guidelines. Available at this site: Symptoms, Comments on the disease, cultural control, organically acceptable methods, publication, glossary.

Bacterial Strain-Identification and Mutant Analysis (BSI-MAS), Department of Plant Pathology, Auburn University. The BSI-MAS has the capability of identifying a diverse selection of microbes by using the Sherlock System. Available Information: Introduction, Examples, Contact Adresses, Price List. Link to the Department.

Bacteriology Homepage, University of Wisconsin-Madison. This site provides information about general bacteriology. There is some course material for bacteriology. One research topic is the production of insecticidal products by bacteria (found in 'About the Faculty').

Bacteriophage Ecology Group, maintained by S.T. Abedon, Department of Microbiology, Ohio State University, Mansfield, USA. At this site you will find lists of members working in the field of bacteriophage, links to their web sites, a bibliograpghy, meetings and more. I would advice you to visit "member's publication" first. Scroll down the alphabetic list to find the members interests, publications and conatact addresses. Within this list you will find plant pathology related topics (selected): Bacteriophages that infect Erwinia amylovora as a means of biological control, prophylactic phage therapy of fruit-bearing trees, soil-borne bacteriophages in the rhizosphere and restoration technology.

Blight 2 by A. Elings, Centro International de Mejoramiento de Mais y trigo (CIMMYT). Blight 2 is a Model for the crop-pathosystem rice - bacterial leaf blight and sheath blight. BLIGHT is a combination model with sections on crop growth and development, and sections which account for the plant x disease interaction.

Department of Microbiology, University of München, Germany. Research: Here you will also find topics like Molecular Phytopathology, Agrobacterium tumefaciens. Further available: Staff, lectures.

Farrand's Microbiology Lab, University of Illinois at Urbana-Campaign, USA. Research areas: Agrobacterium-Plant interaction. You will find an overview, Opine catabolism (molecular mechanisms), conjugation & signalling, growth advantage and conclusions. Within the research area you will also be directed to the publications. You can also read the abstracts of published papers or meet the members of the lab.

List of Bacterial Names with Standing in Nomenclature, compiled by J.P. Euzeby, Ecole Nationale Vétérinaire de Toulouse (ENVP), France. The List of Bacterial Names includes, alphabetically and chronologically, the nomenclature of bacteria as cited in the Approved Lists of Bacterial Names, or published, or validated in the International Journal of Systematic Bacteriology. It is annotated to clarify the Rules which govern the scientific nomenclature. Further available: Candidatus, a list of culture collections, definitions & abbreviations, nomenclature changes validly published and links. Candidatus is a new nomenclatural concept to record the properties of putative taxa of procaryotes which would have indefinite rank.

Broken URL Molecular Basis of Rhizosphere Interactions of Bacterial Biocontrol Agents and Plant Pathogens, Horticultural Crops Research Laboratory, USDA - ARS. Project Leader: J.E. Loper.

Molecular diagnosis of bacterial diseases of tomato, crucifer, and soybean, by D. Cupples, Pest Management Research Centre, London, Canada. Index: Introduction, Major Commerical Benefits, Brief Description of the Technology, Competitive Advanatage of the Technology. A rapid and sensitive method based on a DNA probe for screening tomato seed and seedlings for the presence of the bacterial speck pathogen Pseudomonas syringae pv. tomato.

Names of Plant Pathogenic Bacteria, 1864-1995, published by the International Society for Plant Pathology (ISPP), UK. This list contains the names of all plant pathogenic bacteria which have been effectively and validly published in terms of the International Code of Nomenclature of Bacteria and the Standards for Naming Pathovars and their revision. Content: Introduction, abbreviations of culture collections, references and the alphabetic list. File is 224K in size.

Plant Biology and Microbiology, Department of Biology, McMaster University, Canada. Research areas include studies on cell structure, physiology and genetics during seed development and germination, genetic regulation of stress responses in bacteria and plants, factors involved in repairing DNA damage in prokaryotes and nodule formation in the Rhizobium meliloti - alfalfa symbiotic association. Various aspects of nitrogen assimilation in bacteria, fungi and higher plants are also under investigation.

Plant Growth Promoting Rhizobacteria (PGPR) Newsletter, maintained by J.W. Kloepper, Biological Control Institute (BCI), Auburn University. This site is intended as a news and information center for people involved in or interested in research and development of PGPR. Available: R&D news, publications, subscription, e-mail directory, workshop and more.

Plant-Microbe Interactions Research Group Department of Applied and Molecular Ecology, Waite Campus, University of Adelaide, Australia. Research Interests: molecular and physiological plant-microbial interactions, rhizobial-legume symbiosis, population genetics and ecological studies. Projects covered topics like crown gall in grape vines, rhizopine catabolism in Rhizobium leguminosarum, Diversification of Pseudomonas corrugata, rhizopine biosynthetic genes and more.

Rhizobium/legume symbiosis, The Werner Group, Phillips-Universität Marburg, Department of Biology, Germany. Bradyrhizobium Japonicum / Glycine max symbiosis, Signal recognition and competitivity in rhizobia, Antagonistic Interactions in the Rhizosphere.

Urbana Laboratories, St. Joseph, USA. Urbana Laboratories manufacture and development of Rhizobium inoculants for all legume crops. Available Information: New USDA soybean inoculant - Field test confirm superiority, New genetically-enhanced bacteria for alfalfa - EPA approval pending, recent articles, products, benefits of inoculation.

Xanthomonas campestris pv. campestris-induced chlorosis in Arabidopsis thaliana. By: J. Tsuji and S.C. Somerville, MSU-DOE Plant Research Laboratory, Michigan State University.

Xanthomonas Page: Genetic Analysis Of Intraspecific Variation In Pathovars Of Xanthomonas campestris (Pammel) Dowson By Host Range, Plasmids, and Restriction Fragment-Length Polymorphism. By Gerard Raymond Lazo, 1987. The document contains an introduction, literature review and four main parts: (1) Host range of pathovars of X. campestris, (2) Conservation of plasmid DNA sequences and pathovar identificarion of strains of X. campestris, (3) Are race-specific avirulence genes encoded by plasmids of X. campestris pv. malvacearum? and (4) Pathovars of X. campestris are distinguishable by restriction fragment length polymorphism. Each part is divided in introduction, material & methods, results and discussion.

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Fire Blight:

Fire Blight, Department of Plant Pathology, Cornell University, USA. The pathogen, hosts, symptoms, history, losses, disease cycle, management, references. Part of the Plant Disease Profile (PDP) supported in part by USDA.

Fire Blight of Apple, Pear and Woody Ornamentals, a NebGuide published by the Cooperative Extension, Inst. of Agriculture and Natural Resources, Univ. Nebraska Lincoln. This NebGuide tells how fire blight is spread among apple, pear and woody ornamentals. It describes the disease cycle and offers advice for treatment and protection. With Images. 'Previous Category' will guide you to the Plant Disease Section, where you will find some other diseases caused by bacteria.

Fire Blight Working Group, International Society for Horticultural Science (ISHS). This group provide information on all aspects of the study of Fire Blight, Erwinia amylovora. From the Index: General Information, Researchers, Fire Blight E-Mail Group, Newsletter, Literature, Workshop News.

Maryblyt - A comprehensive computer software program for predicting infection events and symptom development for most phases of fire blight epidemics in apples and pears. (Blossom, Canker, Shoot and Trauma Blight).

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Mycoplasma, Phytoplasma:

IRPCM: International Research Programme on Comparative Mycoplasmology, maintained at Iowa State University, USA. Available: about IRPCM, constitution, teams, goals, reports, and links.

Phytoplasma Working Group, maintained at the University of Udine, Italy. Available: names & addresses, Phytoplasma 16S rDNA sequences, phylogenetic tree, meetings.

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Pierce's Disease (Xylella fastidiosa):

Pierce's Disease on Grapes, Texas A&M University. Information on the disease cause by the bacterium Xylella fastidiosa. Available Information: Introduction (Pierce's Disease of Grapes Causing Serious Losses in Texas Vineyards), Field Identification (with photos), Disease Management, Sampling Method, Working Groups Members, and Index to the high quality images.

Xylella fastidiosa Web Site, maintained by AH Purcell, Division of Insect Biology, University of California, Berkeley, USA. This web site covers the following topics: Overview and introduction to Pierce's Disease, control guidelines in costal California, news, diseases caused by Xylella fastidiosa , Insect vectors of Xylella fastidiosa, references, related sites and contact. The documents include worldwide distribution, host plants, disease cycle, symptoms and it comes with various tables and images. In the news section youl will find the latest information on this disease. Long reference and contact lists complete this useful web site.

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