Relevant bibliographies by topics / Pseudomonas fluorescens biochemical tests

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Academic literature on the topic 'Pseudomonas fluorescens biochemical tests'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Pseudomonas fluorescens biochemical tests"

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Ibrar Wali, Syeda Asma Bano, Sobia Nisa, et al. "Isolation and Identification of Bacillus Subtilis and Pseudomonas Fluorescens from Wheat Rhizosphere and Their Use as Biocontrol Agents." Indus Journal of Bioscience Research 2, no. 2 (2024): 918–31. https://doi.org/10.70749/ijbr.v2i02.295.

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Some bacteria may be used as biocontrol agents against fungal pathogens. Biocontrol agents are environment friendly and cost effective for controlling different plant pathogens. Fungal plant pathogens cause detrimental effects on plants causing diseases and yield loss. The bacterial strains Pseudomonas fluorescens and Bacillus subtilis live abundantly in rhizospheric soil and have antagonistic activity against other organisms. The objective of present study was to isolate and identify the Pseudomonas fluorescens and Bacillus subtilis from rhizospheric soil of Triticum aestivum and their use as
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Sh. H. Kamil, R. F. ALjasani, and H. I. ALShammari. "ISOLATION, IDENTEFECATION AND EFFECINCY OF PSEUDOMONAS FLUORESCENS BACTERIA TO TERMITE MICROCEROTERMIS DIVERSUS." IRAQI JOURNAL OF AGRICULTURAL SCIENCES 54, no. 6 (2023): 1583–93. http://dx.doi.org/10.36103/ijas.v54i6.1859.

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This study was conducted to isolate the bacteria Pseudomonase fluorescens from the termite, locust, and American cockroach in the Iraqi environment and to diagnose it based on morphological, biochemical, and molecular diagnosis using the polymerase chain reaction (PCR), as well as test its pathogenicity and efficacy to termites under laboratory conditions. The results of morphological , biochemical, and molecular diagnosis using polymerase chain reaction (PCR) tests showed the isolated bacterial isolates are similar to P. fluorescens .The results of efficiency of different isolates of P. fluor
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Tasić, Srđan, and Aleksandar Janjić. "PSEUDOMONAS FLUORESCENS IN SHEEP MILK GREEK YOGHURT FROM VLASINA – A BIOCHEMICAL CHARACTERIZATION." KNOWLEDGE - International Journal 54, no. 3 (2022): 421–24. http://dx.doi.org/10.35120/kij5403421t.

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Pseudomonas fluorescens is an aerobic, rod-shaped, non-sporulating gram-negative bacteria, mostlyfound in soil, decaying organic matter and feces. This species contaminates the milk mainly through animal feeddust, silage, utensils and polluted water. In addition to casein digestion, this psychotropic and lipolytic speciesgenerates butyric and caproic acids by fermentation of milk fat, which release a strong unpleasant odor and give arancid and bitter taste to dairy products. In this study we tested 48 hours old sheep's sour milk, produced in ahousehold in Vlasina, southeastern Serbia, using tr
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Vela, Ana I., María C. Gutiérrez, Enevold Falsen, et al. "Pseudomonas simiae sp. nov., isolated from clinical specimens from monkeys (Callithrix geoffroyi)." International Journal of Systematic and Evolutionary Microbiology 56, no. 11 (2006): 2671–76. http://dx.doi.org/10.1099/ijs.0.64378-0.

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An unusual Gram-negative, catalase- and oxidase-positive, rod-shaped bacterium isolated from different clinical samples from two monkeys (Callithrix geoffroyi) was characterized by phenotypic and molecular genetic methods. The micro-organism was tentatively identified as a Pseudomonas species on the basis of the results of cellular morphological and biochemical tests. Fatty acid studies confirmed this generic placement and comparative 16S rRNA gene sequencing studies demonstrated that the unknown isolates were phylogenetically closely related to each other (100 % sequence similarity) and were
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Mehnaz, Samina, Brian Weselowski, Faheem Aftab, Sadaf Zahid, George Lazarovits, and Javed Iqbal. "Isolation, characterization, and effect of fluorescent pseudomonads on micropropagated sugarcane." Canadian Journal of Microbiology 55, no. 8 (2009): 1007–11. http://dx.doi.org/10.1139/w09-050.

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In this study, we report on the isolation, identification, and characterization of seven fluorescent pseudomonads isolated from the roots, shoots, and rhizosphere soil of sugarcane and their impacts on the growth of sugarcane plantlets. 16S rRNA gene sequence of five isolates showed close homology with Pseudomonas putida , one with Pseudomonas graminis , and one with Pseudomonas fluorescens . Physiological and biochemical characterizations were determined using API50CH and QTS24 identification kits. The isolates were also subjected to tests for various known growth promoting properties includi
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Hsueh, Po-Ren, Lee-Jene Teng, Hui-Ju Pan, et al. "Outbreak of Pseudomonas fluorescensBacteremia among Oncology Patients." Journal of Clinical Microbiology 36, no. 10 (1998): 2914–17. http://dx.doi.org/10.1128/jcm.36.10.2914-2917.1998.

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From 7 to 24 March 1997, four patients developed Pseudomonas fluorescens bacteremia at the hospital; one on the oncology ward and the other three in the chemotherapy room. These patients all had underlying malignancies and had the Port-A-Cath (Smiths Industries Medical Systems, Deltec, Inc., St. Paul, Minn.) implants. Three patients had primary bacteremia, and one had Port-A-Cath-related infection. None of these patients had received a blood transfusion before the episodes of bacteremia. All patients recovered: two received antimicrobial agents with in vitro activity against the isolates, and
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Sivagamasundari, U., and A. Gandhi. "Enhancement of Vegetative Parameters of Brinjal in Proplates by the Application of Bacterial Endophytes - Azospirillum brasilense and Pseudomonas fluorescens." International Letters of Natural Sciences 27 (October 2014): 14–18. http://dx.doi.org/10.18052/www.scipress.com/ilns.27.14.

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An experiment was carried out with endophytic fixing bacteria Azospirillum brasilense and Pseudomonas fluorescens isolated from brinjal, in different combinations with inorganic fertilizers by seed inoculation of brinjal to observe preliminary vegetative growth at 15th and 30th day and pigment contents in vegetable nursery bed (proplates). A total number of 28 endophytic bacteria isolated from brinjal from three localities (Annamalai University, Karaikal and Putthur). Further the isolates were subjected to various biochemical tests for their species level identification and nitrogen fixing abi
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Sivagamasundari, U., and A. Gandhi. "Enhancement of Vegetative Parameters of Brinjal in Proplates by the Application of Bacterial Endophytes - <i>Azospirillum brasilense</i> and<i> Pseudomonas fluorescens</i>." International Letters of Natural Sciences 27 (October 15, 2014): 14–18. http://dx.doi.org/10.56431/p-bq77ed.

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An experiment was carried out with endophytic fixing bacteria Azospirillum brasilense and Pseudomonas fluorescens isolated from brinjal, in different combinations with inorganic fertilizers by seed inoculation of brinjal to observe preliminary vegetative growth at 15th and 30th day and pigment contents in vegetable nursery bed (proplates). A total number of 28 endophytic bacteria isolated from brinjal from three localities (Annamalai University, Karaikal and Putthur). Further the isolates were subjected to various biochemical tests for their species level identification and nitrogen fixing abi
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Smith-Grenier, L. L., and A. Adkins. "Isolation and characterization of soil microorganisms capable of utilizing the herbicide diclofop-methyl as a sole source of carbon and energy." Canadian Journal of Microbiology 42, no. 3 (1996): 221–26. http://dx.doi.org/10.1139/m96-033.

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Six nonfermentative Gram-negative bacilli were isolated from Manitoban soils after enrichment with diclofopmethyl. Microscopic examination and physiological and biochemical tests have identified the organisms as Sphingomonas paucimobilis, Acinetobacter baumannii, Chryseomonas luteola, Pseudomonas aureofaciens, Pseudomonas cepacia, and Pseudomonas fluorescens. Growth curve studies showed that each of the isolates was able to grow in minimal medium with diclofop-methyl as the sole source of carbon and energy. Chemical analysis confirmed that all of the added diclofop-methyl (1.5 μg ∙ mL−1) had b
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Mustafa, Sameer Midhat, and Maher Abed Suha. "Isolation and identification of pathogenic species of the genus Pseudomonas and study of antibiotic resistance." GSC Biological and Pharmaceutical Sciences 23, no. 1 (2023): 087–98. https://doi.org/10.5281/zenodo.7924953.

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The bacteria&nbsp;<em>Pseudomonas aeruginosa</em>&nbsp;were isolated and diagnosed and compared with&nbsp;<em>Pseudomonas fluorescens</em>&nbsp;for the period between September 2021 and March 2022, in Ghazi Hariri Hospital, Yarmouk and the Medical City.) to investigate Pseudomonas aeruginosa and&nbsp;<em>Pseudomonas fluorescens</em>&nbsp;and other species study antibiotic resistance. (90) samples were collected using a cotton swab and a sterile container. The diagnosis was made based on the culture characteristics and biochemical tests, after which the diagnosis was confirmed at the qualitativ
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Dissertations / Theses on the topic "Pseudomonas fluorescens biochemical tests"

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Auger, Christopher. "Biochemical Adaptations in Pseudomonas fluorescens Exposed to Nitric Oxide, an Endogenous Antibacterial Agent." Thesis, Laurentian University of Sudbury, 2014. https://zone.biblio.laurentian.ca/dspace/handle/10219/2203.

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Nitric oxide (NO), a free radical released by macrophages (a subset of white blood cells) as a response to infection, is noxious to organisms due to its ability to disable crucial biomolecules such as lipids, proteins and DNA. Although normally effective at eradicating invading bacteria, several pathogens have developed mechanisms to detoxify NO and its toxic by-products, reactive nitrogen species (RNS). While some of these detoxification processes have been characterized, very little is known about the metabolic changes that enable microbes to survive this deleterious environment. Investigati
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Chen, Jui-Lin. "Biochemical Identification of Molecular Components Required for Cyanide Assimilation in Pseudomonas fluorescens NCIMB 11764." Thesis, University of North Texas, 1998. https://digital.library.unt.edu/ark:/67531/metadc278624/.

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Utilization of cyanide as a nutritional nitrogen source in P. fluorescens NCIMB 11764 was shown to involve a novel metabolic mechanism involving nonenzymatic neutralization outside of cells prior to further enzymatic oxidation within. Several cyanide degrading enzymes were produced by NCIMB 11764 in response to growth or exposure to cyanide, but only one of these cyanide, oxygenase (CNO), was shown to be physiologically required for assimilation of cyanide as a growth substrate.
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Hildebrandt, Petra. "A highly stereoselective recombinant alcohol dehydrogenase aus from Pseudomonas fluorescens DSM50106 biochemical characterization, substrate specificity, enantioselectivity, and a new flow through polarimetry based dehydrogenase activity assay /." [S.l.] : [s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=984389296.

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Liu, Yunhao. "Structural and biochemical analysis of HutD from Pseudomonas fluorescens SBW25 : a thesis submitted in fulfilment of the requirements for the degree of Master of Science in Molecular Biosciences at Massey University, Auckland, New Zealand." Massey University, 2009. http://hdl.handle.net/10179/1074.

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Pseudomonas fluorescens SBW25 is a gram-negative soil bacterium capable of growing on histidine as the sole source of carbon and nitrogen. Expression of histidine utilization (hut) genes is controlled by the HutC repressor with urocanate, the first intermediate of the histidine degradation pathway, as the direct inducer. Recent genome sequencing of P. fluorescens SBW25 revealed the presence of hutD in the hut locus, which encodes a highly conserved hypothetical protein. Previous genetic analysis showed that hutD is involved in hut regulation, in such a way that it prevents overproduction of th
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Hildebrandt, Petra [Verfasser]. "A highly stereoselective recombinant alcohol dehydrogenase aus from Pseudomonas fluorescens DSM50106 : biochemical characterization, substrate specificity, enantioselectivity, and a new flow through polarimetry based dehydrogenase activity assay / vorgelegt von Petra Hildebrandt, geb. Plischke." 2005. http://d-nb.info/984389296/34.

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Books on the topic "Pseudomonas fluorescens biochemical tests"

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Anderson, Shawna. Biochemical adaptation to calcium stress in Pseudomonas fluorescens. Laurentian University, 1995.

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Book chapters on the topic "Pseudomonas fluorescens biochemical tests"

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De Mot, R., H. Joos, A. Van Gool, and J. Vanderleyden. "Colonization of wheat roots by Pseudomonas fluorescens: Scanning electron microscopy and biochemical analysis." In The Rhizosphere and Plant Growth. Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3336-4_23.

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Abdulwahab Alfahad, Maadh. "The Activity of New Bio-Agent to Control Cucumovirus Cucumber Mosaic Virus (CMV)." In Studies on Cucumber (Cucumis sativus L.) [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96587.

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CMV virus is worldwide, especially in temperate regions, where it can infect more than 800 plant species belonging to about 40 families. Although the main factor that the plant takes in order not to be infected is because it has preventive means that inhibit the direction of pathogens so that the infection occurs under conditions that suit it and suit its success. Cucumber Mosaic Virus belongs to the group of plant viruses to the genus Cucumovirus, as the virus particles are symmetrically spherical, not enveloped, with a diameter of 29 nm, and the virus has several strains that differ among th
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Al-Rubaeaee, AzalA, Zahraa Ch. Hameed, and Sara Al-Tamemi. "Estimation of Some Plant Extract Activity Against Bacterial Cystitis Isolated from Urinary Tract Infection." In Bladder Cancer [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.107514.

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In this study, 60 urine samples were collected from patients with urinary tract infections who were admitted to Al-Hussein Teaching Hospital between December and February of 2018–2019. A urine sample was collected for culture and crystal formation. Only 57 (95 percent) of the 60 samples on culture were isolated from urinary tract infections caused by various causes. According to the results of the isolation and laboratory diagnosis, as well as biochemical tests, Staphylococcus saprophyticus, Streptococcus agalactiae, Escherichia coli, Klebsiella pneumonia, proteus spp., Morganella morgani, and
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Conference papers on the topic "Pseudomonas fluorescens biochemical tests"

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Spark, Amy, Ivan Cole, David Law, and Liam Ward. "MIC Studies of Buried Potable Water Pipelines Using Semi-solid Agar as an Analogue for Soil." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07850.

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Abstract Seventy percent of the Australian water pipeline network, predominately critical transmissions mains, is constructed of ferrous materials which are highly susceptible to corrosion, particularly microbiologically influenced corrosion (MIC), when buried in soil. A novel technique for the study of MIC in soil to further the understanding of localized corrosion on the external surface of water pipelines is being developed. This novel test method utilizes agar to simulate both the physical structure and chemical components of soil more closely than the traditionally used aqueous solutions.
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Anwer, Sewgil, Kawther Saeed, Muzhda Qader, et al. "Microbiological Analysis of Tissue Paper Pre- and Post-Exposure in Restrooms and its effects to women’s health." In 4th Scientific Conference on Women’s Health. Hawler Medical University, 2025. https://doi.org/10.15218/crewh.2024.07.

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Back ground and Objectives: Toilet tissue paper are sanitary paper that comes into direct contact with the body but at the same time they are a good place for growth of microorganism. The objective of this study was to isolate, identify and evaluate the presence or absence of bacterial and fungal contaminants present on tissue paper remained in toilets. Methods: Ten toilet tissue paper brands commercially available in Erbil City were tested for bacterial and fungal examination before placing them in toilet (zero time) and after placing them in five (5) different sites that determined within th
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Yaroshevsky, V., T. Osipenko, and V. Pilyak Nina. "Self-contained bioreactor usage for small-scale microbial pesticides production." In International Scientific Symposium "Plant Protection – Achievements and Prospects". Institute of Genetics, Physiology and Plant Protection, Republic of Moldova, 2020. http://dx.doi.org/10.53040/9789975347204.40.

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Present work reports bioreactor AF-0.170 test results. This novel bioreactor was designed in ETI “Biotechnica” of NAAS for small-scale microbial pesticides production on the base of biolaboratories and biofactories. Cell concentration in culture liquids of microbial preparations based on Beauveria Bassiana and Pseudomonas fluorescens obtained in tests had an order of 109 CFU∙ml–1and contamination level was not exceed 0.3%. Results analyses demonstrated 2.4 times increasing of preparation yield per cycle combined with moderate decreasing of cell density in culture liquid for submerged fermentat
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Šaraba, Vladimir, Jasmina Nikodinović-Runić, Vesna Obradović, et al. "Biocorrosion, biofouling and health risk: biological activity reaction tests of selected brackish groundwater occurrences in Serbia." In 2nd International Conference on Chemo and Bioinformatics. Institute for Information Technologies, University of Kragujevac, 2023. http://dx.doi.org/10.46793/iccbi23.086s.

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Targeted physiological groups of bacteria were cultivated and identified in the brackish groundwaters of Obrenovačka Banja (OB), Lomnički Kiseljak (LK) and Velika Vrbnica (VV) using biological activity reaction tests (BARTs) to assess the biocorrosion, biofouling and health risks. The highest density of iron-related, sulfate-reducing, slime-forming, facultatively anaerobic heterotrophic, denitrifying bacteria and representatives of Pseudomonas spp. was recorded in the OB sample, while the lowest density of the same physiological groups of bacteria was recorded in the LK sample. Facultatively a
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Saeed MOHAMMED, Luma. "STUDY THE ANTIBACTERIAL ACTIVITY OF ALCOHOLIC EXTRACT OF ALLIUM SATIVUM ON PSEUDOMONAS AERUGINOSA AND COMPARE WITH SOME ANTIBIOTICS." In V. International Scientific Congress of Pure, Applied and Technological Sciences. Rimar Academy, 2022. http://dx.doi.org/10.47832/minarcongress5-3.

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Twenty isolate of P.aerugiosa isolated from Baghdad hospitals identified morphologically and biochemical tests then vitek system.Disk diffusion method carried out to determined the sensitivity of bacterial isolates to different antibiotics like amoxicillin,ciprofloxacin, meropenem and cefotaxim by using Muller-Hinton agar, the results showed that 100% of isolates had resistance to amoxicillin,40% of resistance to cefotxim, 20% of resistance to ciprofloxacin and meropenem. Agar well method used to determined the minimal inhibitory concentrations for alcoholic extract of Allium sativum which pre
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A. Taher, Nehad. "Antibiofilm activity of Serratia marcescens purified gelatinase against Pseudomonas." In III. International Rimar Congress of Pure, Applied and Technological Sciences. Rimar Academy, 2024. https://doi.org/10.47832/rimarcongress03-7.

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Most bacteria can produce biofilms on avariety of surfaces in nature and it represents an important virulence factors such as the biofilm based infections by Pseudomonas aeruginosa can be life -threatening for people pationsand they can also lead to a long term infection. About 22 of Serratia marcescens clinical isolates were collected and characterized by morphological and biochemical tests even thogh PCR method . All the 22 isolates were screened for gelatinase production by culturing them on gelatine agar medium and the results showed that the S. m. no. 16 was the highest gelatinase produce
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Mohammed Youssef, Hiba. "Isolation and Identification of plant promoting rhizobacteria (PGPR) from Solanum tuberosum in Gypsiferous soil." In III.International Conference on Agricultural and Veterinary Sciences. Rimar Academy, 2025. https://doi.org/10.47832/vet.congress3-5.

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The potato plant is most famous and widely used agricultural crops in the world. Solanum tuberosum are used in many dishes, whether fried, boiled or mashed, and are a staple food in many countries. They also contain good amounts of carbohydrates, fiber, vitamins such as vitamin C, and minerals such as magnesium. nine isolated were identified from the rhizosphere of Solanum tuberosum roots by using morphological and biochemical characterization and Polymerase Chain Reaction technology (PCR), The identified bacterial species were as follows: two isolates (A1, A2) belonged to Bacillus subtilis, f
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