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Topic: Pseudomonas fluorescens


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In the News (Sun 27 Dec 09)

  
  Pseudomonas - MicrobeWiki
Pseudomonas syringae pathovar tomato DC3000, the tomato and Arabidopsis thaliana pathogen, has genome 6.5 megabases in size that is compromised of a circular chromosome and two plasmids, which all encode for 5,763 ORFs.
Pseudomonas bacteria are generally aerobic rod-shaped bacteria that are known for their metabolic diversity (DOE Joint Genome Institute).
Pseudomonas aeruginosa is common in patients with compromised host defense mechanisms and is the "most common pathogen isolated from patients who have been hospitalized longer than one week" (Qarah and Cunha).
microbewiki.kenyon.edu /index.php/Pseudomonas   (773 words)

  
 Pseudomonas.etc.
Generally, common to all constituent species of the genus Pseudomonas are certain physiological properties such as chemoorganotrophic nutrition, aerobic metabolism, absence of fermentation, absence of photosynthesis, inability to fix nitrogen, and capacity for growth at the expense of a large variety of organic substrates.
Pseudomonas species are renowned for their abilities to degrade compounds which are highly refractory to other organisms, including aliphatic and aromatic hydrocarbons, fatty acids, insecticides and other environmental pollutants.
Pseudomonas species, as well as species included in the newly-created genera Burkholderia and Ralstonia (ex-Pseudomonas) are among the most important bacteria that are pathogens of plants.
textbookofbacteriology.net /Pseudomonas.etc.html   (6220 words)

  
 Pseudomonas fluorescens - Wikipedia, the free encyclopedia
Pseudomonas fluorescens is a common Gram-negative, rod-shaped bacterium that secretes a soluble fluorescent pigment called fluorescein.
Optimal temperatures for growth of Pseudomonas fluorescens are 25-30 degrees Celsius.
Heat stable lipases and proteases are produced by Pseudomonas fluorescens and other similar pseudomonads (Frank 1997).
en.wikipedia.org /wiki/Pseudomonas_fluorescens   (331 words)

  
 Pseudomonas Summary
Pseudomonas infections of the eye cause ulcers that may spread to cover the entire eye, pain, reduced vision, swelling of the eyelids, and pus accumulation within the eye.
Pseudomonas infections may be treated with combinations of ceftazidime (Ceftaz, Fortraz, Tazicef), ciprofloxacin (Cipro), imipenem (Primaxin), gentamicin (Garamycin), tobramycin (Nebcin), ticarcillin-clavulanate (Timentin), or piperacillin-tazobactam (Zosyn).
Pseudomonas are one of the major causes of nosocomial (hospital acquired) infections.
www.bookrags.com /Pseudomonas   (2175 words)

  
 New Disease Reports - Occurrence of pith necrosis caused by Pseudomonas fluorescens on tomato plants in Turkey
None caused soft rot on potato slices within 48 h at 25°C or produced levan-type colonies on sucrose nutrient agar and all were negative in tobacco hypersensitivity and nitrate reduction tests.
Inoculated plants and saline-inoculated controls were covered with polythene bags for 24 h and maintained in a controlled environment room at 25°C, 70% relative humidity, with a 16 h photoperiod.
Pith necrosis of tomatoes caused by Pseudomonas corrugata has been reported previously in Turkey (Demir, 1990) but this is the first report of Pseudomonas fluorescens biotype I causing the disease in Turkey.
www.bspp.org.uk /ndr/july2004/2004-45.asp   (483 words)

  
 Update: Delayed Onset Pseudomonas fluorescens Bloodstream Infections After Exposure to Contaminated Heparin ...
In March 2005, CDC reported a multistate outbreak of Pseudomonas fluorescens bloodstream infections associated with use of syringes preloaded with heparin intravenous catheter flush (1).
fluorescens bloodstream infection had already been diagnosed after a positive blood culture, and in others, blood cultures were negative for patients who had known exposures to the contaminated flush and later had onset of bloodstream infection symptoms.
fluorescens isolates from the current investigation both to one another and to those of the original investigation (March 2005) confirmed that these were delayed onset cases from past exposure to the contaminated heparin flush.
www.cdc.gov /mmwr/preview/mmwrhtml/mm5535a2.htm?s_cid=mm5535a2_x   (1903 words)

  
 Pseudomonas Bloodstream Infections Associated with a Heparin/Saline Flush --- Missouri, New York, Texas, and ...
On January 26, 2005, CDC was notified of four cases of Pseudomonas fluorescens bloodstream infection among patients at an oncology clinic in Missouri.
fluorescens infection; eight were in patients at an oncology clinic, and one was in a patient hospitalized with sickle cell disease.
fluorescens is a member of the fluorescent pseudomonad bacteria group and is an infrequent cause of blood stream infections.
www.cdc.gov /mmwr/preview/mmwrhtml/mm5411a1.htm   (2141 words)

  
 Novel Lectin-Like Bacteriocins of Biocontrol Strain Pseudomonas fluorescens Pf-5 -- Parret et al. 71 (9): 5197 -- ...
OE 39.2, and OE 45.2) and maize (Pseudomonas sp.
from Pseudomonas LlpA-type bacteriocins cluster with the C-terminal
Reduction of olive knot disease by a bacteriocin from Pseudomonas syringae pv.
aem.asm.org /cgi/content/full/71/9/5197   (5297 words)

  
 The adnA Transcriptional Factor Affects Persistence and Spread of Pseudomonas fluorescens under Natural Field ...
fluorescens strains Pf0-2 (wild type) and Pf0-5a (adnA mutant) at different depths 1.5 cm from the point of inoculation: 0 to 6.5 cm (A), 6.5 to 13 cm (B), 13 to 15.5 cm (C), 15.5 to 18 cm (D), 18 to 21.5 cm (E), and 21.5 to 25 cm (F).
fluorescens strains Pf0-2 (wild type) and Pf0-5a (adnA mutant) at different depths 4.5 cm from the point of inoculation: 0 to 6.5 cm (A), 6.5 to 13 cm (B), 13 to 15.5 cm (C), and 15.5 to 18 cm (D).
Tn5 insertion mutants of Pseudomonas fluorescens defective in adhesion to soil and seeds.
aem.asm.org /cgi/content/full/67/2/852   (3342 words)

  
 Complete genome sequence of the plant commensal Pseudomonas fluorescens Pf-5 - Nature Biotechnology
Pseudomonas fluorescens Pf-5 is a plant commensal bacterium that inhabits the rhizosphere and produces secondary metabolites that suppress soilborne plant pathogens.
We identified various features that contribute to its commensal lifestyle on plants, including broad catabolic and transport capabilities for utilizing plant-derived compounds, the apparent ability to use a diversity of iron siderophores, detoxification systems to protect from oxidative stress, and the lack of a type III secretion system and toxins found in related pathogens.
fluorescens Pf-5, three novel secondary metabolite biosynthesis gene clusters were also identified that may contribute to the biocontrol properties of P.
www.nature.com /nbt/journal/v23/n7/abs/nbt1110.html   (386 words)

  
 Pseudomonas Infection
Multi-drug resistant Pseudomonas is one of the most serious and difficult hospital-acquired infections to treat and affects patients with ventilator-associated pneumonia, cystic fibrosis, low white cell counts, burns and diabetic ulcers.
Pseudomonas aeruginosa and P maltophilia account for approximately 80 percent of pseudomonads recovered from clinical specimens.
Because of the frequency with which it is involved in human disease, P aeruginosa has received the most attention.
www.phageinternational.com /pathogens/pseudomonas.htm   (544 words)

  
 Leonardo De La Fuente
Pseudomonas fluorescens UP61 isolated from birdsfoot trefoil rhizosphere produces multiple antibiotics and exerts a broad spectrum of biocontrol activity.
Preferential colonization of the pea rhizosphere by genotypes of 2,4-diacetylphloroglucinol-producing Pseudomonas fluorescens strains.
Native fluorescent Pseudomonas as biocontrol agents of seedling diseases on birdsfoot trefoil.
www.nysaes.cornell.edu /pp/postra/delafuente   (1484 words)

  
 The Pseudomonas fluorescens transcription activator AdnA is required for adhesion and motility -- Casaz et al. 147 (2): ...
The Pseudomonas fluorescens transcription activator AdnA is required for adhesion and motility -- Casaz et al.
Piette, J. and Idziak, E. A model study of factors involved in adhesion of Pseudomonas fluorescens to meat.
Williams, V. and Fletcher, M. Pseudomonas fluorescens adhesion and transport through porous media are affected by lipopolysaccharide composition.
mic.sgmjournals.org /cgi/content/full/147/2/355   (3294 words)

  
 Pseudomonas Genome Project and PseudoCAP   (Site not responding. Last check: 2007-10-11)
Pseudomonas aeruginosa is a versatile Gram-negative bacterium that grows in soil, marshes, and coastal marine habitats, as well as on plant and animal tissues.
People with cystic fibrosis, burn victims, individuals with cancer, and patients requiring extensive stays in intensive care units are particularly at risk of disease resulting from P.
As researchers begin to use this genome sequence to make new discoveries about this bacterium, the genome annotation is now being continually updated and the database content and functionality is being expanded to facilitate accelerated discovery of P.
www.pseudomonas.com   (544 words)

  
 Pseudomonas fluorescens Encodes the Crohn's Disease-Associated I2 Sequence and T-Cell Superantigen -- Wei et al. 70 ...
Pseudomonas fluorescens Encodes the Crohn's Disease-Associated I2 Sequence and T-Cell Superantigen -- Wei et al.
Pseudomonas fluorescens Encodes the Crohn's Disease-Associated I2 Sequence and T-Cell Superantigen
The oxygen- and iron-dependent sigma factor pvdS of Pseudomonas aeruginosa is an important virulence factor in experimental infective endocarditis.
iai.asm.org /cgi/content/full/70/12/6567   (4352 words)

  
 JGI Pseudomonas fluorescens PfO-1 Home
Pseudomonas fluorescens encompasses a group of common, nonpathogenic saprophytes that colonize soil, water and plant surface environments.
fluorescens has simple nutritional requirements and grows well in mineral salts media supplemented with any of a large number of carbon sources (1).
fluorescens strains are being investigated extensively for use in applications that require release and survival of bacteria in the soil.
genome.jgi-psf.org /finished_microbes/psefl/psefl.home.html   (434 words)

  
 Abstracts
fluorescens is a gram-negative bacteria and it is found in soil, fresh water, foliage and sediments.
Genetically modified Pseudomonas fluorescens strains effectiveness is attributed to their production of siderophores and secondary metabolites such as 2, 4-diacetyl phloroglucinol, hydrogen cyanide, pyoloteorin, cyclic lipopeptides etc., which adversely affect fungal pathogens.
Genetically modified Pseudomonas fluorescens bacteria have not been known to exchange genes with resident pseudomonas strains through transduction, transformation or conjugation.
www.biology.eku.edu /abstractsFall06.html   (1717 words)

  
 Functions Encoded by Pyrrolnitrin Biosynthetic Genes from Pseudomonas fluorescens -- Kirner et al. 180 (7): 1939 -- The ...
genes, prnABCD, from Pseudomonas fluorescens that encode the biosynthesis
The non-haem chloroperoxidase from Pseudomonas fluorescens and its relationship to pyrrolnitrin biosynthesis.
The biosynthesis of brominated pyrrolnitrin derivatives by Pseudomonas aureofaciens.
jb.asm.org /cgi/content/full/180/7/1939   (2250 words)

  
 Pseudomonas
Survey of resistance of Pseudomonas aeruginosa from UK patients with cystic fibrosis to six commonly prescribed antimicrobial agents (Added Sept.
Environmental contamination with an epidemic strain of Pseudomonas aeruginosa in a Liverpool cystic fibrosis centre, and study of its survival on dry surfaces (Added Mar. 9, 2005)
Pseudomonas aeruginosa in public swimming pools and bathroom water of patients with cystic fibrosis (Added Dec. 14, 2005)
www3.nbnet.nb.ca /normap/pseudomonas.htm   (1322 words)

  
 Genetic Analysis of the AdnA Regulon in Pseudomonas fluorescens: Nonessential Role of Flagella in Adhesion to Sand and ...
Genetic Analysis of the AdnA Regulon in Pseudomonas fluorescens: Nonessential Role of Flagella in Adhesion to Sand and Biofilm Formation -- Robleto et al.
The Pseudomonas fluorescens transcription activator AdnA is required for adhesion and motility.
Pseudomonas fluorescens adhesion and transport through porous media are affected by lipopolysaccharide composition.
jb.asm.org /cgi/content/full/185/2/453   (5115 words)

  
 Three small RNAs jointly ensure secondary metabolism and biocontrol in Pseudomonas fluorescens CHA0.
The similar RsmA and RsmE proteins of the plant-beneficial root-colonizing biocontrol strain CHA0 of Pseudomonas fluorescens negatively regulate the synthesis of extracellular antifungal secondary metabolites (13—15).
fluorescens CHA0 chromosomal DNA with primers PRX1hind and PRX2eco (Table 3), which were designed according to the genome sequence of P.
fluorescens Pf-5, which is closely related to strain CHA0 (30, 34), primers were designed to amplify the entire rsmX gene, including f lanking sequences.
www.euchromatin.com /Kay01.htm   (4914 words)

  
 Pseudomonas fluorescens
Pseudomonas fluorescens secretes a soluble fluorescent pigment called fluorescein that is used in numerous staining procedures.
Pseudomonas fluorescens has been associated with food spoilage and can grow easily at 4
Pseudomonas fluorescens role as an opportunistic pathogen questionable since it is not able to grow at body temperature.
www.thelabrat.com /restriction/sources/Pseudomonasfluorescens.shtml   (82 words)

  
 Temperature regulation of protease in Pseudomonas fluorescens LS107d2 by an ECF sigma factor and a transmembrane ...
Temperature regulation of protease in Pseudomonas fluorescens LS107d2 by an ECF sigma factor and a transmembrane activator -- Burger et al.
Temperature regulation of protease in Pseudomonas fluorescens LS107d2 by an ECF sigma factor and a transmembrane activator
Liao, C.-H. and McCallus, D. Biochemical and genetic characterisation of an extracellular protease from Pseudomonas fluorescens CY091.
mic.sgmjournals.org /cgi/content/full/146/12/3149   (3843 words)

  
 Interaction between the bacterium Pseudomonas fluorescens and vermiculite: Effects on chemical, mineralogical, and ...
The aerobic bacterium Pseudomonas fluorescens causes a decrease in grain size, aggregation of vermiculite grains as evidenced by smaller BET surfaces, and enhanced viscosity of the bacteria containing slurries.
Layer charge, intercrystalline swelling, and CEC were not affected by the microbial activity, nor did the bacteria count for the exchange of potassium and magnesium against sodium in the vermiculite.
Citation: Müller, B., and G. Défago (2006), Interaction between the bacterium Pseudomonas fluorescens and vermiculite: Effects on chemical, mineralogical, and mechanical properties of vermiculite, J.
www.agu.org /pubs/crossref/2006/2005JG000054.shtml   (297 words)

  
 A site-specific recombinase is required for competitive root colonization by Pseudomonas fluorescens WCS365 -- Dekkers ...
A site-specific recombinase is required for competitive root colonization by Pseudomonas fluorescens WCS365 -- Dekkers et al.
The role of dsbA in colonization of the wheat rhizosphere by Pseudomonas fluorescens Q8r1-96.
Expression of a Pseudomonas putida Aminotransferase Involved in Lysine Catabolism Is Induced in the Rhizosphere
www.pnas.org /cgi/content/full/95/12/7051   (4459 words)

  
 Pseudomonas fluorescens
BBSRC to sequence the genome of Pseudomonas fluorescens, in collaboration with Dr. Paul Rainey of the Department of Plant Sciences, University of Oxford, and Prof.
Pseudomonas fluorescens encompasses a diverse group of bacteria that is commonly found in a wide range of terrestrial and aquatic habitats.
We will be sequencing strain SBW25; a plant-growth promoting bacterium that colonises both plant leaves and roots.
www.sanger.ac.uk /Projects/P_fluorescens   (343 words)

  
 Global GacA-steered control of cyanide and exoprotease production in Pseudomonas fluorescens involves specific ribosome ...
In fluorescens CHA0, the expression of the major extracellular protease is under strict GacA control (4).
fluorescens hcn operon): influence of mutations in the 5' leader sequence.
A Repeated GGA Motif Is Critical for the Activity and Stability of the Riboregulator RsmY of Pseudomonas fluorescens
www.pnas.org /cgi/content/full/96/24/14073   (4271 words)

  
 Pseudomonas fluorescens Z34-97 - toxicity, ecologicial toxicity and regulatory information
Pseudomonas fluorescens Z34-97 - Identification, toxicity, use, water pollution potential, ecological toxicity and regulatory information
Chemical Identification and Use for Pseudomonas fluorescens Z34-97
Sorry, no water quality standards or criteria have been established for this chemical by the U.S. or Canadian governments; however, there may be criteria established for related chemicals.
www.pesticideinfo.org /Detail_Chemical.jsp?Rec_Id=PC39744   (646 words)

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