Genomes and Genes
Summary: A genus of destructive root-parasitic algae in the family Pythiaceae, order Peronosporales, commonly found in cultivated soils all over the world. Differentiation of zoospores takes place in a vesicle.
Publications223 found, 100 shown here
- Molecular characterization of plant growth promoting rhizobacteria that enhance peroxidase and phenylalanine ammonia-lyase activities in chile (Capsicum annuum L.) and tomato (Lycopersicon esculentum Mill.)Alok Sharma
Department of Microbiology, CBS and H, GB Pant University of Agriculture and Technology, Pantnagar, Uttaranchal, 263145, India
Arch Microbiol 188:483-94. 2007b>Pythium and Phytophthora species are associated with damping-off diseases in vegetable nurseries and reduce seedling stand and yield...
- Phytophthora cinnamomi and other fine root pathogens in north temperate pine forestsDidier Chavarriaga
Department of Plant and Soil Science, School of Biological Sciences, University of Aberdeen, Aberdeen, Scotland, UK
FEMS Microbiol Lett 276:67-74. 2007A number of fine root pathogens, including Phytophthora cinnamomi, Pythium ultimum var. ultimum, Pythium undulatum, Pythium violae, Fusarium sp...
- Genome sequence of the necrotrophic plant pathogen Pythium ultimum reveals original pathogenicity mechanisms and effector repertoireC André Lévesque
Agriculture and Agri Food Canada, 960 Carling Ave, Ottawa, ON, K1A 0C6, Canada
Genome Biol 11:R73. 2010b>Pythium ultimum is a ubiquitous oomycete plant pathogen responsible for a variety of diseases on a broad range of crop and ornamental species.
- Use of biodiesel-derived crude glycerol for producing eicosapentaenoic acid (EPA) by the fungus Pythium irregulareSneha K Athalye
Department of Biological Systems Engineering, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA
J Agric Food Chem 57:2739-44. 2009..explore the potential of using crude glycerol for producing eicosapentaenoic acid (EPA, 20:5 n-3) by the fungus Pythium irregulare . When P...
- Pythium infection activates conserved plant defense responses in mossesJuan Pablo Oliver
Departamento de Biologia Molecular, Instituto de Investigaciones Biologicas Clemente Estable, Avenida Italia 3318, CP 11600, Montevideo, Uruguay
Planta 230:569-79. 2009..In this study, we show that P. patens activated multiple and similar responses against Pythium irregulare and Pythium debaryanum, including the reinforcement of the cell wall, induction of the defense genes ..
- The oomycete Pythium oligandrum expresses putative effectors during mycoparasitism of Phytophthora infestans and is amenable to transformationNeil R Horner
Aberdeen Oomycete Laboratory, University of Aberdeen, Institute of Medical Sciences, Foresterhill, Aberdeen, UK
Fungal Biol 116:24-41. 2012The oomycete Pythium oligandrum is a mycoparasitic biocontrol agent that is able to antagonise several plant pathogens, and can promote plant growth. In order to test the potential usefulness of P...
- Isolation and characterization of a delta5 FA desaturase from Pythium irregulare by heterologous expression in Saccharomyces cerevisiae and oilseed cropsHaiping Hong
Research and Development, Bioriginal Food and Science Corporation, Saskatoon, Saskatchewan, Canada S7J OR1
Lipids 37:863-8. 2002..and the third histidine-rich motifs in microsomal carboxyl-directed desaturases, we identified a cDNA PiD5 from Pythium irregulare encoding a delta5 desaturase...
- Colonization of cucumber seeds by bacteria during germinationMaya Ofek
Institute of Soil, Water and Environmental Sciences, Agricultural Research Organization, PO Box 6, Bet Dagan, Israel
Environ Microbiol 13:2794-807. 2011..Perturbation of the seed environment by a pathogen (Pythium aphanidermatum) had major consequences on the seed bacterial community...
- Development of microsatellite markers for Pythium helicoides- Yin-Ling
The United Graduate School of Agricultural Science, Gifu University, Gifu, Japan
FEMS Microbiol Lett 293:85-91. 2009..PCR and thermal asymmetric interlaced PCR was used to determine sequences flanking microsatellite regions in Pythium helicoides...
- Activity of some aminoglycoside antibiotics against true fungi, Phytophthora and Pythium speciesH B Lee
Department of Biological Sciences, College of Natural Sciences, Seoul National University, Seoul, Korea
J Appl Microbiol 99:836-43. 2005To investigate the in vitro antifungal and antioomycete activities of some aminoglycosides against true fungi and Phytophthora and Pythium species and to evaluate the potential of the antibiotics against Phytophthora late blight on plants.
- Association of soil chemical and physical properties with Pythium species diversity, community composition, and disease incidenceK D Broders
Department of Plant Pathology, School of Natural Resources, The Ohio State University, Wooster, OH 44691, USA
Phytopathology 99:957-67. 2009A high-throughput baiting and identification process identified more than 7,000 isolates of Pythium from 88 locations in Ohio...
- Biological control of cucumber and sugar beet damping-off caused by Pythium ultimum with bacterial and fungal antagonistsD G Georgakopoulos
Department of Agricultural Biotechnology, Agricultural University of Athens, 11855 Athens, Greece
J Appl Microbiol 92:1078-86. 2002..corrugata and two fungal strains belonging to Trichoderma viride and Gliocladium virens were evaluated for their efficacy in controlling sugar beet and cucumber damping-off caused by Pythium ultimum.
- Oogonial biometry and phylogenetic analyses of the Pythium vexans species group from woody agricultural hosts in South Africa reveal distinct groups within this taxonChristoffel F J Spies
Department of Plant Pathology, University of Stellenbosch, Matieland 7602, South Africa
Fungal Biol 115:157-68. 2011b>Pythium vexans fits into the internal transcribed spacer (ITS) clade K sensu Lévesque & De Cock (2004). Within clade K, P...
- Expressed sequence tags reveal genetic diversity and putative virulence factors of the pathogenic oomycete Pythium insidiosumTheerapong Krajaejun
Department of Pathology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
Fungal Biol 115:683-96. 2011..Many oomycetes are pathogenic to plants, and a more limited number are pathogenic to animals. Pythium insidiosum is the only oomycete that is capable of infecting both humans and animals, and causes a life-..
- The putative gymnosperm plant defensin polypeptide (SPI1) accumulates after seed germination, is not readily released, and the SPI1 levels are reduced in Pythium dimorphum-infected spruce rootsCarl Gunnar Fossdal
Norwegian Forest Research Institute, Høgskoleveien 12, 1432 As, Norway
Plant Mol Biol 52:291-302. 2003..In roots of seedlings infected with the root pathogenic oomycete Pythium dimorphum and the blue stain fungus Ceratocystis polonica, variable levels of SPI1 was detected during the first ..
- Mechanics of solid tissue invasion by the mammalian pathogen Pythium insidiosumJ P Ravishankar
Department of Botany, Miami University, Oxford, Ohio 45056, USA
Fungal Genet Biol 34:167-75. 2001..b>Pythium insidiosum is an oomycete fungus (or stramenopile) that causes a rare, but potentially lethal infection in humans ..
- Clinical and epidemiological analyses of human pythiosis in ThailandTheerapong Krajaejun
Department of Pathology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
Clin Infect Dis 43:569-76. 2006..emerging and life-threatening infectious disease in humans and animals that is caused by the pathogenic oomycete Pythium insidiosum...
- Paenibacillus polymyxa antagonizes oomycete plant pathogens Phytophthora palmivora and Pythium aphanidermatumS Timmusk
Department of Forest Mycology and Pathology, Uppsala BioCenter, SLU, Uppsala, Sweden
J Appl Microbiol 106:1473-81. 2009..To find sustainable alternatives to the application of synthetic chemicals for oomycete pathogen suppression...
- Phylogenetic relationships of Pythium and Phytophthora species based on ITS rDNA, cytochrome oxidase II and beta-tubulin gene sequencesNeilyn O Villa
Genetics and Molecular Biology Division, Institute of Biological Sciences, University of the Philippines Los Banos, College, Laguna, Philippines
Mycologia 98:410-22. 2006Fifty-eight isolates representing 39 Pythium species and 17 isolates representing nine Phytophthora species were chosen to investigate intra- and intergeneric relationships with sequence analysis of three genomic areas...
- Development and evaluation of an in-house enzyme-linked immunosorbent assay for early diagnosis and monitoring of human pythiosisTheerapong Krajaejun
Clinical Immunology Laboratory, Department of Pathology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400, Thailand
Clin Diagn Lab Immunol 9:378-82. 2002Human pythiosis is an emerging, fatal, infectious disease caused by Pythium insidiosum and occurs in both tropical and subtropical countries. Thalassemic patients, farmers, and aquatic-habitat residents are predisposed to this disease...
- Influence of temperature on Pythium splendens--induced root disease on carambola, Averrhoa carambolaRandy C Ploetz
Department of Plant Pathology, University of Florida, IFAS, Tropical Research and Education Center, 18905 SW 280th Street, Homestead, FL 33031 3314, USA
Mycopathologia 157:225-31. 2004A series of glasshouse and incubator studies were conducted to investigate the role played by Pythium splendens in a decline disorder of carambola, Averrhoa carambola...
- Development of a nested polymerase chain reaction assay for the detection and identification of Pythium insidiosumAmy M Grooters
Department of Veterinary Clinical Sciences, Louisiana State University, Baton Rouge 70803 8410, USA
J Vet Intern Med 16:147-52. 2002b>Pythium insidiosum is an important cause of cutaneous and gastrointestinal disease in horses and dogs in the southeastern United States...
- Thioquinolobactin, a Pseudomonas siderophore with antifungal and anti-Pythium activitySandra Matthijs
Laboratory of Microbial Interactions, Department of Molecular and Cellular Interactions, Flanders Interuniversity Institute for Biotechnology, Vrije Universiteit Brussel, Building E, Pleinlaan 2, 1050 Brussels, Belgium
Environ Microbiol 9:425-34. 2007..Pseudomonas fluorescens ATCC 17400 also displays a strong in vitro antagonism against the Oomycete Pythium, which is repressed by iron, suggesting the involvement of a siderophore(s)...
- Identification of emerging human-pathogenic Pythium insidiosum by serological and molecular assay-based methodsNongnuch Vanittanakom
Department of Microbiology, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
J Clin Microbiol 42:3970-4. 2004b>Pythium insidiosum is a pathogen that causes disease in both animals and humans...
- Characterisation of the early events in atypical tomato root colonisation by a biocontrol agent, Pythium oligandrumGaetan Le Floch
Laboratoire de Biodiversité et d Ecologie Microbienne, ESMISAB, Université de Bretagne Occidentale Brest, Technopole Brest Iroise, 29280 Plouzane, France
Plant Physiol Biochem 43:1-11. 2005The specific oomycete-plant relationship established between a biological agent, Pythium oligandrum, and tomato (Lycopersicon esculentum Mill.) plants was examined over the first 48 h after inoculation of tomato roots with the antagonist...
- Identification of a novel 74-kiloDalton immunodominant antigen of Pythium insidiosum recognized by sera from human patients with pythiosisTheerapong Krajaejun
Department of Pathology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Rama 6 Road, Bangkok 10400, Thailand
J Clin Microbiol 44:1674-80. 2006The oomycetous, fungus-like, aquatic organism Pythium insidiosum is the etiologic agent of pythiosis, a life-threatening infectious disease of humans and animals that has been increasingly reported from tropical, subtropical, and ..
- Jasmonate signaling mutants of Arabidopsis are susceptible to the soil fungus Pythium irregulareP E Staswick
Department of Agronomy, University of Nebraska, Lincoln 68583 0915, USA
Plant J 15:747-54. 1998..A soil fungus, Pythium irregulare, was found to blight jar1-1...
- Efficacy of immunotherapy using antigens of Pythium insidiosum in the treatment of vascular pythiosis in humansWanchai Wanachiwanawin
Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Prannok, Bangkok 10700, Thailand
Vaccine 22:3613-21. 2004..It is caused by the straminipilan, fungus-like, aquatic organism Pythium insidiosum. Pythiosis occurs in localized as well as systemic or vascular forms...
- Hemagglutination test for rapid serodiagnosis of human pythiosisThanyasiri Jindayok
Clinical Immunology Laboratory, Department of Pathology, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
Clin Vaccine Immunol 16:1047-51. 2009Human pythiosis is an emerging, life-threatening infectious disease, caused by the oomycete Pythium insidiosum. Thailand is an area where human pythiosis is endemic and the genetic blood disorder thalassemia is a predisposing factor...
- Rhizosphere persistence of three Pythium oligandrum strains in tomato soilless culture assessed by DNA macroarray and real-time PCRGaetan Le Floch
Laboratoire de Biodiversité et d Ecologie Microbienne, Universite de Bretagne Occidentale, Plouzane, France
FEMS Microbiol Ecol 61:317-26. 2007..control and growth promotion are achieved when the rhizosphere is heavily colonized by the biocontrol agent Pythium oligandrum. Discrepancies in performance are generally attributed to the poor persistence of P...
- Development of an immunochromatographic test for rapid serodiagnosis of human pythiosisTheerapong Krajaejun
Department of Pathology, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
Clin Vaccine Immunol 16:506-9. 2009Human pythiosis is an emerging and life-threatening infectious disease caused by the fungus-like organism Pythium insidiosum...
- Isolation and identification of the human pathogen Pythium insidiosum from environmental samples collected in Thai agricultural areasJidapa Supabandhu
Department of Microbiology Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
Med Mycol 46:41-52. 2008We describe the ecological niche of the human and animal pathogen Pythium insidiosum within endemic agricultural areas of Thailand...
- In Vitro activity of terbinafine combined with caspofungin and azoles against Pythium insidiosumAyrton S Cavalheiro
Programa de Pós Graduação em Farmacologia, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
Antimicrob Agents Chemother 53:2136-8. 2009..activities of terbinafine combined with caspofungin, miconazole, ketoconazole, and fluconazole against 17 Pythium insidiosum strains by using the microdilution checkerboard method...
- Analysis of the Pythium ultimum transcriptome using Sanger and Pyrosequencing approachesFoo Cheung
The J Craig Venter Institute, 9704 Medical Center Dr, Rockville, MD 20850 USA
BMC Genomics 9:542. 2008b>Pythium species are an agriculturally important genus of plant pathogens, yet are not understood well at the molecular, genetic, or genomic level...
- Interactions between the mycoparasite Pythium oligandrum and two types of sclerotia of plant-pathogenic fungiPatrice Rey
Laboratoire de Biodiversité et Ecologie Microbienne, ESMISAB, Université de Bretagne Occidentale Brest, Technopole Brest Iroise, 29280, Plouzane, France
Mycol Res 109:779-88. 2005The interactions between Pythium oligandrum hyphae and two types of sclerotia, i.e...
- Oligonucleotide array for identification and detection of pythium speciesJ T Tambong
Agriculture and Agri Food Canada, Environmental Health Program Biodiversity, 960 Carling Avenue, Ottawa, Ontario K1A 0C6, Canada
Appl Environ Microbiol 72:2691-706. 2006..of internal transcribed spacers (ITS) of more than 100 species was developed for identification and detection of Pythium species...
- Molecular phylogeny and taxonomy of the genus PythiumC André Lévesque
Environmental Health Program Biodiversity, Agriculture and Agri Food Canada, 960 Carling Avenue, Ottawa, ON KIA 0C6, Canada
Mycol Res 108:1363-83. 2004The phylogeny of 116 species and varieties of Pythium was studied using parsimony and phenetic analysis of the ITS region of the nuclear ribosomal DNA...
- A molecular phylogeny of Pythium insidiosumAndrew M Schurko
Department of Microbiology, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada
Mycol Res 107:537-44. 2003..DNA internal transcribed spacers (ITS) was used to establish phylogenetic relationships among 23 isolates of Pythium insidiosum, the etiological agent of pythiosis in mammals...
- Characterization and mapping of Rpi1, a gene that confers dominant resistance to stalk rot in maizeD E Yang
Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, PR China
Mol Genet Genomics 274:229-34. 2005..susceptible), and the F(1), F(2) and BC(1)F(1) populations derived from them were inoculated with the pathogen Pythium inflatum Matthews, which causes stalk rot in Zea mays...
- The type III secretion system of biocontrol Pseudomonas fluorescens KD targets the phytopathogenic Chromista Pythium ultimum and promotes cucumber protectionFabio Rezzonico
Phytopathology Group, Institute of Plant Sciences, Swiss Federal Institute of Technology ETH, Universitatstrasse 2, CH 8092 Zurich, Switzerland
Mol Plant Microbe Interact 18:991-1001. 2005..Pseudomonas syringae were evidenced in Pseudomonas fluorescens KD, which protects cucumber from the oomycete Pythium ultimum (kingdom Chromista/Stramenopila)...
- Zoospore encystment and pathogenicity of Phytophthora and Pythium species on plant rootsYannis Raftoyannis
TEI Lamias, Department of Forestry, Karpenisi 36100, Greece
Microbiol Res 161:1-8. 2006Seven plant species (lucerne, maize, oat, sugarbeet, sorghum, tomato, wheat) and 12 Pythium and Phytophthora species were used in a comparative study designed to investigate the effects of plant and oomycete inter-specific variation on ..
- Antagonism of Pythium blight of zucchini by Hypocrea jecorina does not require cellulase gene expression but is improved by carbon catabolite derepressionVerena Seidl
Research Area Gene Technology and Applied Biochemistry, Institute of Chemical Engineering, TU Vienna, Vienna, Austria
FEMS Microbiol Lett 257:145-51. 2006..investigated the importance of carbon catabolite (de)repression and cellulase formation in the antagonization of Pythium ultimum by Hypocrea jecorina (Trichoderma reesei) on agar plates and in planta...
- Surface motility in Pseudomonas sp. DSS73 is required for efficient biological containment of the root-pathogenic microfungi Rhizoctonia solani and Pythium ultimumJens B Andersen
Section of Molecular Microbiology, BioCentrum DTU, Building 301, Technical University of Denmark, 2800 Lyngby, Denmark
Microbiology 149:37-46. 2003..This strain exhibits antagonism towards the root-pathogenic microfungi Pythium ultimum and Rhizoctonia solani...
- An antifungal protein from the marine bacterium streptomyces sp. Strain AP77 is specific for Pythium porphyrae, a causative agent of red rot disease in Porphyra sppJung Hee Woo
Marine and Highland Bioscience Center, Saga University, Karatsu, Saga 847 0021, Japan
Appl Environ Microbiol 68:2666-75. 2002..The MIC of purified SAP against Pythium porphyrae was determined to be 1...
- Pythium rhizo-oryzae sp. nov. isolated from paddy fields: taxonomy, ITS region of rDNA, and comparison with related speciesKanak Bala
Laboratoire des Sciences de la Vigne, Institut Jules Guyot, Universite de Bourgogne, BP 27877, Dijon, 21078, France
Curr Microbiol 52:102-7. 2006b>Pythium rhizo-oryzae sp. nov. was isolated from some soil samples taken in paddy fields in northeastern India...
- Structure of sylvaticin, a new alpha-elicitin-like protein from Pythium sylvaticumMarie Bernard Lascombe
Laboratoire de Cristallographie et RMN Biologiques, Universite Paris Descartes, UMR 8015 CNRS, Faculte de Pharmacie, 4 avenue de l Observatoire, 75006 Paris, France
Acta Crystallogr D Biol Crystallogr 63:1102-8. 2007The structure of sylvaticin, a 10 kDa major pythin protein excreted by the parasitic oomycete Pythium sylvaticum, has been determined...
- A novel protein elicitor (PaNie) from Pythium aphanidermatum induces multiple defense responses in carrot, Arabidopsis, and tobaccoS Veit
Center for Plant Molecular Biology, Department of Plant Physiology, , Auf der Morgenstelle 1, , Germany
Plant Physiol 127:832-41. 2001A novel protein elicitor (PaNie(234)) from Pythium aphanidermatum (Edson) Fitzp. was purified, microsequenced, and the corresponding cDNA was cloned...
- Intra-isolate heterogeneity of the ITS region of rDNA in Pythium helicoidesKoji Kageyama
River Basin Research Center, Gifu University, Gifu 501 1193, Japan
Mycol Res 111:416-23. 2007Heterogeneity of the rDNA ITS region in Pythium helicoides and the phylogenetic relationship between P. helicoides and closely related species were investigated. In PCR-RFLP analysis of the rDNA ITS region of six P...
- Intraspecific and within-isolate sequence variation in the ITS rRNA gene region of Pythium mercuriale sp. nov. (Pythiaceae)Lassaad Belbahri
Plants and Pathogens Group, Research Institute Earth Nature and Landscape, School of Engineering of Lullier, University of Applied Sciences of Western Switzerland, Jussy, Switzerland
FEMS Microbiol Lett 284:17-27. 2008Sixteen Pythium isolates from diverse hosts and locations, which showed similarities in their morphology and sequences of the internal transcribed spacer (ITS) region of their rRNA gene, were investigated...
- Involvement of G-alpha protein GNA3 in production of cell wall-degrading enzymes by Trichoderma reesei (Hypocrea jecorina) during mycoparasitism against Pythium ultimumRoberto do Nascimento Silva
Departamento de Biologia Celular, Universidade de Brasilia, Asa Norte, 70910 900 Brasilia, DF, Brazil
Biotechnol Lett 31:531-6. 2009..GNA3 in the production of cell wall-degrading enzymes (CWDEs) by Trichoderma reesei during antagonism against Pythium ultimum was investigated. cAMP content was 2.8-fold higher in the T...
- Effect of environmental characteristics on Pythium and Mesocriconema spp. in golf course greens in AlabamaT W Allen
Department of Entomology and Plant Pathology, Auburn University, 209 Life Sciences Building, Auburn, AL 36849, USA
Can J Microbiol 51:287-93. 2005The role the environment has on populations of Pythium and Mesocriconema spp. was investigated at 5 golf course locations in east central Alabama...
- Phenazines and biosurfactants interact in the biological control of soil-borne diseases caused by Pythium sppMaaike Perneel
Department of Crop Protection, Laboratory of Phytopathology, Ghent University, Coupure Links 653, B 9000 Ghent, Belgium
Environ Microbiol 10:778-88. 2008..antagonistic metabolites produced by Pseudomonas aeruginosa PNA1, was tested in the biological control of Pythium splendens on bean (Phaseolus vulgaris L) and Pythium myriotylum on cocoyam (Xanthosoma sagittifolium L Schott)...
- Identification and characterization of simple sequence repeat markers for Pythium aphanidermatum, P. cryptoirregulare, and P. irregulare and the potential use in Pythium population geneticsSeonghee Lee
Department of Plant Pathology, The Pennsylvania State University, University Park, PA, 16802 4506, USA
Curr Genet 53:81-93. 2008Six simple sequence repeat (SSR)-enriched genome libraries from Pythium aphanidermatum, P. irregulare, and P. cryptoirregulare were constructed to develop SSR markers. One hundred six SSR primer pairs for P. aphanidermatum, 73 for P...
- An improved Pythium insidiosum-vaccine formulation with enhanced immunotherapeutic properties in horses and dogs with pythiosisLeonel Mendoza
Medical Technology Program, Department of Microbiology and Molecular Genetics, 322 N Kedzie Laboratory, Michigan State University, East Lansing, MI 48824 1031, USA
Vaccine 21:2797-804. 2003The immunotherapeutic properties of a new Pythium insidiosum-vaccine formulation (PIV), was evaluated in 18 horses and 6 dogs with proven pythiosis from different enzootic areas in the United States...
- Human pythiosis, a rare cause of arteritis: case report and literature reviewNarawudt Prasertwitayakij
Department of Medicine, Chiang Mai University, Thailand
Semin Arthritis Rheum 33:204-14. 2003To present a case of Pythium insidiosum arteritis and review reported cases of human pythiosis.
- Disseminated pythiosis in three horsesJanildo Ludolf Reis
Veterinary Pathology Section, Federal University of Lavras, Minas Gerais, MG, Brazil
Vet Microbiol 96:289-95. 2003..Specific fluorescent antibody against Pythium insidiosum confirmed the hyphae in the infected tissues in three examined horses...
- Human pythiosis, BrazilSandra de Moraes Gimenes Bosco
Department of Pathology, Universidade Estadual Paulista, Botucatu, Sao Paulo, Brazil
Emerg Infect Dis 11:715-8. 2005Pythiosis, caused by Pythium insidiosum, occurs in humans and animals and is acquired from aquatic environments that harbor the emerging pathogen. Diagnosis is difficult because clinical and histopathologic features are not pathognomonic...
- Development of a species-specific probe for Pythium insidiosum and the diagnosis of pythiosisAndrew M Schurko
Department of Microbiology, University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada
J Clin Microbiol 42:2411-8. 2004b>Pythium insidiosum, the only species in the genus that infects mammals, is the etiological agent of pythiosis, a granulomatous disease characterized by cutaneous and subcutaneous lesions and vascular diseases...
- Orbital pythiosis: a non-fungal disease mimicking orbital mycotic infections, with a retrospective review of the literatureL Mendoza
Medical Technology Program, Microbiology and Molecular Genetics, Michigan State University, East Lansing 48824 1031, USA
Mycoses 47:14-23. 2004In the past decade there have been four well-documented cases of orbital pythiosis caused by Pythium insidiosum. All were recorded in apparently healthy children...
- Outbreaks of pythiosis in two flocks of sheep in northeastern BrazilI M Tabosa
Veterinary Faculty, Federal University of Campina Grande, Campus de Patos, Paraiba, Brazil
Vet Pathol 41:412-5. 2004Two outbreaks of cutaneous pythiosis caused by Pythium insidiosum were diagnosed in two herds of crossbred hair wool sheep of different ages in the semiarid region of Northeastern Brazil. In one herd of 120 sheep, 40 were affected...
- Biocontrol of Pythium in the pea rhizosphere by antifungal metabolite producing and non-producing Pseudomonas strainsD C Naseby
School of Biological Sciences, University of Surrey, Guildford, UK
J Appl Microbiol 90:421-9. 2001..fluorescens were assessed for their effect on pea growth and their antagonistic activity against large Pythium ultimum inocula...
- Inability to find consistent bacterial biocontrol agents of Pythium aphanidermatum in cucumber using screens based on ecophysiological traitsL B Folman
Institute of Evolutionary and Ecological Sciences, University of Leiden, P O Box 9516, 2300 RA Leiden, The Netherlands
Microb Ecol 45:72-87. 2003..from different root locations and stages of plant development, was screened for potential biocontrol agents of Pythium aphanidermatum (Edson) Fitzp...
- Loss of pectin is an early event during infection of cocoyam roots by Pythium myriotylumThaddée Boudjeko
UMR CNRS 6037, IFRMP 23 Centre Commun de Microscopie Electronique, Universite de Rouen, 76821 Mont Saint Aignan, France
Planta 223:271-82. 2006..In Cameroon, its cultivation is hampered by a soil-borne fungus Pythium myriotylum which is responsible for root rot disease...
- A new species of Pythium with ornamented oogonia: morphology, taxonomy, internal transcribed spacer region of its ribosomal RNA, and its comparison with related speciesBernard Paul
Laboratoire des Sciences de la Vigne, Institut Jules Guyot, Universite de Bourgogne, Dijon, France
FEMS Microbiol Lett 254:317-23. 2006b>Pythium spiculum sp. nov. was isolated from soil samples taken in a vineyard in the Burgundian region of France and from different locations in Spain and Portugal. The oomycete has spiny oogonia and does not sporulate readily...
- Ability of nonpathogenic Fusarium oxysporum strain Fo47 to induce resistance against Pythium ultimum infection in cucumberNicole Benhamou
Recherche en sciences de la vie et de la sante, Universite Laval, Sainte Foy, Quebec, Canada G1K 7P4
Appl Environ Microbiol 68:4044-60. 2002..exerted by nonpathogenic Fusarium oxysporum strain Fo47 in triggering cucumber protection against infection by Pythium ultimum was investigated ultrastructurally...
- Isolation and partial characterization of antimicrobial compounds from a new strain Nonomuraea sp. NM94Boubekeur Badji
Laboratoire de Recherche sur les Produits Bioactifs et la Valorisation de la Biomasse, Ecole Normale Supérieure de Kouba, B P 92, 16 050, Vieux Kouba, Alger, Algerie
J Ind Microbiol Biotechnol 34:403-12. 2007..Spectroscopic studies by infrared, mass, and (1)H NMR of the compounds were carried out. Initial results showed that these molecules differed from the known antibiotics produced by other Nonomuraea species...
- Structural complexity, differential response to infection, and tissue specificity of indolic and phenylpropanoid secondary metabolism in Arabidopsis rootsPawel Bednarek
Max Planck Institute for Plant Breeding Research, D 50829 Cologne, Germany
Plant Physiol 138:1058-70. 2005..Using Arabidopsis wild-type and mutant root cultures as an experimental system, and the root-pathogenic oomycete, Pythium sylvaticum, for infections, we analyzed the aromatic metabolite profiles in soluble extracts from uninfected and ..
- Is the ability of biocontrol fluorescent pseudomonads to produce the antifungal metabolite 2,4-diacetylphloroglucinol really synonymous with higher plant protection?Fabio Rezzonico
Phytopathology Group, Institute of Integrative Biology, Swiss Federal Institute of Technology ETH, Universitatstrasse 2, CH 8092 Zurich, Switzerland
New Phytol 173:861-72. 2007..indicated that Phl production ability was associated with superior disease suppression activity in the Pythium-cucumber and Fusarium-tomato pathosystems, but this was also the case with HCN production ability...
- Direct colony PCR-SSCP for detection of multiple pythiaceous oomycetes in environmental samplesPing Kong
Department of Plant Pathology, Physiology, and Weed Science, Virginia Polytechnic Institute and State University, Hampton Roads Agricultural Research and Extension Center, 1444 Diamond Springs Road, Virginia Beach, VA 23455, USA
J Microbiol Methods 61:25-32. 2005..Application of this technique for disease diagnosis and monitoring pathogen sources was explored, and the potential for studying diversity and population dynamics of other cultivated microbial communities in the environment is discussed...
- Mycosubtilin overproduction by Bacillus subtilis BBG100 enhances the organism's antagonistic and biocontrol activitiesValérie Leclère
Laboratory of Microbial Bioprocesses LABEM, Polytech Lille, University of Science and Technology of Lille, Avenue du Professeur Langevin, F 59655 Villeneuve d Ascq Cedex, France
Appl Environ Microbiol 71:4577-84. 2005..When tested for its biocontrol potential, wild-type strain ATCC 6633 was almost ineffective for reducing a Pythium infection of tomato seedlings...
- The effect of Pythium oligandrum and chitosan used in control of potato against late blight and the occurrence of fungal diseases on tuber peelH Kurzawińska
Department of Plant Protection, Agricultural University, Krakow, Poland
Commun Agric Appl Biol Sci 72:967-71. 2007The aim of two year investigation was the valuation the effect of biopreparate Polyversum (B.A.S. Pythium oligandrum) and preparate Biochikol 020 PC (B.A.S...
- Pathogen-induced calmodulin isoforms in basal resistance against bacterial and fungal pathogens in tobaccoReona Takabatake
Plant Microbe Interaction Research, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki, 305 8602, Japan
Plant Cell Physiol 48:414-23. 2007..a compatible strain of the bacterial pathogen Ralstonia solanacearum, and fungal pathogens Rhizoctonia solani and Pythium aphanidermatum was significantly lower in type III but not in type I CaM knockdown plants...
- The LeATL6-associated ubiquitin/proteasome system may contribute to fungal elicitor-activated defense response via the jasmonic acid-dependent signaling pathway in tomatoDaisuke Hondo
Department of Life Science, Graduate School of Agricultural Science, Tohoku University, Sendai 981 8555, Japan
Mol Plant Microbe Interact 20:72-81. 2007..was induced in tomato roots treated with a cell wall protein fraction (CWP) elicitor of the biocontrol agent Pythium oligandrum...
- Disinfection of drain water of tomato by means of UV radiation and slow sand filtration in real greenhouse circumstancesE De Rocker
Provinciaal Proefcentrum voor de Groenteteelt Oost Vlaanderen PCG, Karreweg 6, BE 9770 Kruishoutem, Belgium
Commun Agric Appl Biol Sci 71:1119-23. 2006..In addition the presence of phytopathogenic fungi in the drain water was analysed at 2 supplementary greenhouses with recirculation without disinfection...
- Differences in microbial activity and microbial populations of peat associated with suppression of damping-off disease caused by Pythium sylvaticumPaul J Hunter
Warwick HRI, University of Warwick, Wellesbourne, Warwickshire CV35 9EF, United Kingdom
Appl Environ Microbiol 72:6452-60. 2006The microbiological characteristics associated with disease-suppressive peats are unclear. We used a bioassay for Pythium sylvaticum-induced damping-off of cress seedlings to identify conducive and suppressive peats...
- Tvbgn3, a beta-1,6-glucanase from the biocontrol fungus Trichoderma virens, is involved in mycoparasitism and control of Pythium ultimumSlavica Djonovic
Department of Plant Pathology and Microbiology, 413C LF Peterson Building, Texas A and M University, College Station, TX 77843 2132, USA
Appl Environ Microbiol 72:7661-70. 2006..and GKO strains showed an enhanced or reduced ability, respectively, to inhibit the growth of the plant pathogen Pythium ultimum compared to results with the WT. The relevance of this activity in the biocontrol ability of T...
- Characterization of CMR5c and CMR12a, novel fluorescent Pseudomonas strains from the cocoyam rhizosphere with biocontrol activityM Perneel
Laboratory of Phytopathology, Department Crop Protection, Ghent University, Ghent, Belgium
J Appl Microbiol 103:1007-20. 2007To screen for novel antagonistic Pseudomonas strains producing both phenazines and biosurfactants that are as effective as Pseudomonas aeruginosa PNA1 in the biocontrol of cocoyam root rot caused by Pythium myriotylum.
- Identification to the species level of the plant pathogens Phytophthora and Pythium by using unique sequences of the ITS1 region of ribosomal DNA as capture probes for PCR ELISAA M Bailey
CINVESTAV IPN, Departamento de Ingeniería Genética de Plantas, Unidad Irapuato, Irapuato, Mexico
FEMS Microbiol Lett 207:153-8. 2002The ribosomal internal transcribed spacer 1 region was sequenced for 10 species of Pythium and eight species of Phytophthora...
- Sugar beet-associated bacterial and fungal communities show a high indigenous antagonistic potential against plant pathogensChristin Zachow
University of Rostock, Microbiology, Albert Einstein Str 3, 18051, Rostock, Germany
Microb Ecol 55:119-29. 2008..isolates screened by dual testing for antagonism toward the pathogens Aphanomyces cochlioides, Phoma betae, Pythium ultimum, and Rhizoctonia solani resulted in 885 bacterial (=45%) and 437 fungal (=33%) antagonists...
- A clp gene homologue belonging to the Crp gene family globally regulates lytic enzyme production, antimicrobial activity, and biological control activity expressed by Lysobacter enzymogenes strain C3Donald Y Kobayashi
Department of Plant Biology and Pathology, Cook College, Rutgers, The State University of New Jersey, New Brunswick, NJ 08901 8520, USA
Appl Environ Microbiol 71:261-9. 2005..clp mutant strains were significantly affected in biological control of pythium damping-off of sugar beet and bipolaris leaf spot of tall fescue, which was partially or fully restored in the ..
- ITS region of the rDNA of Pythium rhizosaccharum sp. nov. isolated from sugarcane roots: taxonomy and comparison with related speciesKusum Kumari Singh
Laboratoire des Sciences de la Vigne, Institut Jules Guyot, Universite de Bourgogne, Dijon, France
FEMS Microbiol Lett 221:233-6. 2003b>Pythium rhizosaccharum (F-1244) was isolated from soil samples taken in the rhizosphere of sugarcane (Saccharum officinarum) in the north-eastern India...
- Characterisation of Pythium paroecandrum and its antagonism towards Botrytis cinerea, the causative agent of grey mould disease of grapeEl Yassimi Abdelghani
Laboratoire des Sciences de la Vigne, Institut Jules Guyot, Universite de Bourgogne, P O Box 27877, 21078 Dijon, France
FEMS Microbiol Lett 230:177-83. 2004b>Pythium paroecandrum (B-30), an oomycete, was isolated from soil samples taken from a wheat field in Genlis in the Burgundy region of France and was found to check the growth and development of Botrytis cinerea, a serious grapevine ..
- Biochemical, genetic, and zoosporicidal properties of cyclic lipopeptide surfactants produced by Pseudomonas fluorescensJorge T De Souza
Laboratory of Phytopathology, Department of Plant Sciences, Wageningen University, 6709 PD Wageningen, The Netherlands
Appl Environ Microbiol 69:7161-72. 2003..Zoospores of multiple oomycetes, including Pythium species, Albugo candida, and Phytophthora infestans, were rendered immotile within 30 s of exposure to cell ..
- Evaluation of bacteria isolated from rice for plant growth promotion and biological control of seedling disease of riceT B Adhikari
Agrium Inc, Saskatoon, SK, Canada
Can J Microbiol 47:916-24. 2001..05) inhibited the growth in vitro of two pathogens, Achlya klebsiana and Pythium spinosum, causing seedling disease of rice...
- Wavelike distributions of infections by an introduced and naturally occurring root pathogen along wheat rootsA H C van Bruggen
Organic Farming Systems Group, Department of Plant Sciences, Wageningen University, Marijkeweg 22, 6709 PG Wageningen, The Netherlands
Microb Ecol 44:30-8. 2002..Similarly, proportions of root sections from which naturally occurring Pythium spp. were isolated fluctuated with distance from the root tip...
- Chitinolytic and cellulolytic Pseudomonas sp. antagonistic to fungal pathogens enhances nodulation by Mesorhizobium sp. Cicer in chickpeaS S Sindhu
Department of Microbiology, CCS Haryana Agricultural University, Hisar- 125004, India
Microbiol Res 156:353-8. 2001..appreciable amounts of both enzymes in culture-free supernatants and showed growth inhibition of the two fungi Pythium aphanidermatum (Oomycete) and Rhizoctonia solani (Basidiomycete) in plates on potato dextrose agar medium...
- Survival, root colonisation and biocontrol capacities of Pseudomonas fluorescens F113 LacZY in dry alginate microbeadsA Russo
Dipartimento di Chimica e Biotecnologie Agrarie, Via del Borghetto, 80, 56124 Pisa, Italy
J Ind Microbiol Biotechnol 27:337-42. 2001..to 700-microm diameter, was stored 1 year at 28+/-2 and 4+/-2 degrees C and then tested against pathogenic fungi Pythium ultimum and Rhizoctonia solani in in vitro inhibition experiments...
- Comparative degradation of oomycete, ascomycete, and basidiomycete cell walls by mycoparasitic and biocontrol fungiG D Inglis
Agriculture and Agri Food Canada Research Centre, Lethbridge, AB
Can J Microbiol 48:60-70. 2002..and biocontrol fungi) were tested for their ability to grow on and degrade cell walls (CWs) of an oomycete (Pythium ultimum), ascomycete (Fusarium equisetii), and basidiomycete (Rhizoctonia solani), and their hydrolytic enzymes ..
- Microbial populations responsible for specific soil suppressiveness to plant pathogensDavid M Weller
USDA, Agricultural Research Service, Root Disease and Biological Control Research Unit, Washington State University, Pullman 99164 6430, USA
Annu Rev Phytopathol 40:309-48. 2002..By coupling molecular technologies with traditional approaches used in plant pathology and microbiology, it is possible to dissect the microbial composition and complex interactions in suppressive soils...
- Effectiveness of municipal waste compost and its humic fraction in suppressing Pythium ultimumJ A Pascual
Department of Soil and Water Conservation and Organic Waste Management, Centro de Edafologia y Biologia Aplicada del Segura, CEBAS CSIC, P O Box 4195, 30080 Murcia, Spain
Microb Ecol 44:59-68. 2002..of a municipal solid waste (MSW) compost and its water-soluble and humic fraction to suppress the effect of Pythium ultimum on pea plants was studied and compared with that of a chemical pesticide (metalaxyl)...
- Identification of Pythium oligandrum using species-specific ITS rDNA PCR oligonucleotidesScott A C Godfrey
New Zealand Institute for Crop and Food Research Limited, Private Bag 4704, Christchurch, New Zealand
Mycol Res 107:790-6. 2003b>Pythium oligandrum is a parasite of cultivated Agaricus bisporus. Infection results in significant yield reductions and a disease referred to as 'black compost'. In this study, P...
- Compost-induced suppression of Pythium damping-off is mediated by fatty-acid-metabolizing seed-colonizing microbial communitiesMary E McKellar
Department of Plant Pathology, Cornell University, Ithaca, New York 14853 4203, USA
Appl Environ Microbiol 69:452-60. 2003Leaf composts were studied for their suppressive effects on Pythium ultimum sporangium germination, cottonseed colonization, and the severity of Pythium damping-off of cotton...
- Use of polymerase chain reaction to detect the soft rot pathogen, Pythium myriotylum, in infected ginger rhizomesP H Wang
Department of Microbiology, Soochow University, Taipei 11102, Taiwan, ROC
Lett Appl Microbiol 36:116-20. 2003The aims are to establish a polymerase chain reaction (PCR)-based method for detecting Pythium myriotylum in the rhizome of ginger and diagnosing ginger soft rot and screening health seed ginger.
- Differential inactivation of seed exudate stimulation of Pythium ultimum sporangium germination by Enterobacter cloacae influences biological control efficacy on different plant speciesKoji Kageyama
Laboratory of Plant Pathology, Faculty of Agriculture, Gifu University, Gifu 501 1193, Japan
Appl Environ Microbiol 69:1114-20. 2003..cloacae to inactivate the stimulatory activity of seed exudates to Pythium ultimum sporangium germination. In biological control assays, E...
- Antifungal activities of N-arylbenzenesulfonamides against phytopathogens and control efficacy on wheat leaf rust and cabbage club root diseasesJae Gon Kang
Department of Agricultural Chemistry, Division of Applied Life Science, Gyeongsang National University, Chinju 660 701, Korea
Biosci Biotechnol Biochem 66:2677-82. 2002..were prepared, and their antifungal properties were measured in vitro against such plant pathogenic fungi as Pythium ultimum, Phytophthora capsici, Rhizoctonia solani, and Botrytis cinerea...
- Isolation and antifungal and antioomycete activities of aerugine produced by Pseudomonas fluorescens strain MM-B16Jung Yeop Lee
Laboratory of Molecular Plant Pathology, College of Life and Environmental Sciences, Korea University, Seoul 136 701, Korea
Appl Environ Microbiol 69:2023-31. 2003..C. orbiculare, P. capsici, and Pythium ultimum were most sensitive to aerugine (MICs for these organisms were approximately 10 micro g ml(-1))...
- An integrated control of Pythium root rot of greenhouse tomatoJ C Tu
Agriculture and Agri Food Canada, Greenhouse and Processing Crops Research Centre, Harrow, ON, Canada N0R 1G0
Meded Rijksuniv Gent Fak Landbouwkd Toegep Biol Wet 67:209-16. 2002b>Pythium root rot caused by Pythium aphanidermatum is one of the most important diseases of greenhouse tomatoes. Hydroponic culture exacerbates the problem...
- Universally occurring phenylpropanoid and species-specific indolic metabolites in infected and uninfected Arabidopsis thaliana roots and leavesJianwen Tan
Max Planck Institute for Plant Breeding Research, Carl von Linne Weg 10, 50829 Cologne, Germany
Phytochemistry 65:691-9. 2004..acid and all four aldehydes, increased considerably in concentration upon infection of roots with Pythium sylvaticum, as did at least some of them upon infection of leaves with Pseudomonas syringae pv tomato...
- Peptide synthetase gene in Trichoderma virensS E Wilhite
Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, Maryland 20742-5815, USA
Appl Environ Microbiol 67:5055-62. 2001..Biocontrol activity against damping-off diseases caused by Pythium ultimum and Rhizoctonia solani was not reduced by the Psy1 disruption, suggesting that iron competition through ..
- The global regulator genes from biocontrol strain Serratia plymuthica IC1270: cloning, sequencing, and functional studiesMarianna Ovadis
Otto Warburg Center for Biotechnology in Agriculture, Faculty of Agricultural, Food and Environmental Quality Sciences, Hebrew University of Jerusalem, Rehovot 76100, Israel
J Bacteriol 186:4986-93. 2004..strain, the grrA, grrS, and rpoS mutants were markedly less capable of suppressing Rhizoctonia solani and Pythium aphanidermatum under greenhouse conditions, indicating the dependence of strain IC1270's biocontrol property on ..
- Indigenous bacteria with antagonistic and plant-growth-promoting activities improve slow-filtration efficiency in soilless cultivationF Deniel
Laboratoire de Biodiversité et Ecologie Microbienne, ESMISAB, Université de Bretagne Occidentale Brest, Plouzane, France
Can J Microbiol 50:499-508. 2004..by antibiosis and (or) direct parasitism. Elimination of other fungal pathogens, i.e., Pythium spp...