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Artigos de revistas sobre o tema "Pseudomonas fluorescens"

Autor: Grafiati

Publicado: 4 de junho de 2021

Última modificação: 25 de julho de 2025

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1

Gopal, Surendra, Reshma Francis, and A. K. Sreelatha. "Impact of soil temperature, pH and carbon dioxide on the population and efficiency of fluorescent pseudomonad in the rhizosphere soil of Pokkali rice." Environment Conservation Journal 24, no. 1 (2023): 163–70. http://dx.doi.org/10.36953/ecj.10262239.

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The present study was aimed at the evaluation of soil temperature, pH and carbon dioxide evolution on the number and efficiency of fluorescent pseudomonads around the root system of Pokkali rice at Vytilla in Ernakulam district of Kerala. Two plots (40 m2) comprising control (without application of Pseudomonas fluorescens) and P. fluorescens treated plants were used for the field experiment. The isolates of fluorescent Pseudomonads or Pseudomonas fluorescence were counted and their efficiency was assessed for IAA, ammonia, HCN and siderophore production. Simultaneously, soil temperature, pH, a

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2

FARRAG, SEHAM A., and ELMER H. MARTH. "Behavior of Listeria monocytogenes when Incubated Together with Pseudomonas Species in Tryptose Broth at 7 and 13°C." Journal of Food Protection 52, no. 8 (1989): 536–39. http://dx.doi.org/10.4315/0362-028x-52.8.536.

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Tryptose broth (TB) was inoculated with Listeria monocytogenes (strain Scott A or California), Pseudomonas aeruginosa, Pseudomonas flourescens, or a combination of L. monocytogenes plus Pseudomonas species, and incubated at 7 or 13°C for 8 weeks. McBride Listeria Agar was used to determine numbers of L. monocytogenes and Pseudomonas Isolation Agar to enumerate Pseudomonas species at 0, 7, 14, 28, 42, or 56 d. At 13°C, presence of P. fluorescens had a slight negative effect on growth of L. monocytogenes strain Scott A, and was somewhat detrimental to its survival during the extended incubation.

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3

Tryfinopoulou, P., E. Tsakalidou, and G. J. E. Nychas. "Characterization of Pseudomonas spp. Associated with Spoilage of Gilt-Head Sea Bream Stored under Various Conditions." Applied and Environmental Microbiology 68, no. 1 (2002): 65–72. http://dx.doi.org/10.1128/aem.68.1.65-72.2002.

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ABSTRACT The population dynamics of pseudomonads in gilt-head sea bream Mediterranean fish (Sparus aurata) stored under different conditions were studied. Phenotypic analysis and sodium dodecyl sulfate-polyacrylamide gel electrophoresis of whole-cell proteins were performed to identify a total of 106 Pseudomonas strains isolated from S. aurata stored under different temperatures (at 0, 10, and 20°C) and packaging conditions (air and a modified atmosphere of 40% CO2-30% N2-30% O2). Pseudomonas lundensis was the predominant species, followed by Pseudomonas fluorescens, while Pseudomonas fragi an

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4

Velusamy, Palaniyandi, J. Ebenezar Immanuel, Samuel S. Gnanamanickam, and Linda Thomashow. "Biological control of rice bacterial blight by plant-associated bacteria producing 2,4-diacetylphloroglucinol." Canadian Journal of Microbiology 52, no. 1 (2006): 56–65. http://dx.doi.org/10.1139/w05-106.

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Certain plant-associated strains of fluorescent Pseudomonas spp. are known to produce the antimicrobial antibiotic 2,4-diacetylphloroglucinol (DAPG). It has antibacterial, antifungal, antiviral, and antihelminthic properties and has played a significant role in the biological control of tobacco, wheat, and sugar beet diseases. It has never been reported from India and has not been implicated in the biological suppression of a major disease of the rice crop. Here, we report that a subpopulation of 27 strains of plant-associated Pseudomonas fluorescens screened in a batch of 278 strains of fluor

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5

Aloysius Ng. Lende, Laurensius Lehar, and Heny MC Sine. "Application of organic fertilizer and Pseudomonas fluorescens on the growth and yield of shallot cultivar Sabu Raijua (Allium ascalonicum L .) in dry land." GSC Advanced Research and Reviews 5, no. 2 (2020): 123–30. http://dx.doi.org/10.30574/gscarr.2020.5.2.0105.

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The specific objectives of this study were 1 ) knowing certain types of organic fertilizers on the growth of shallots 2 ) knowing the concentrations of Pseudomonas fluorescenss certain the growth of shallots, 3 ) knowing the types of organic fertilizers and the concentrations Pseudomonas fluorescens specificity increase the optimal yield of shallots. To achieve this goal, this research was conducted using factorial experiments with a split Plot Design with 10 treatments and 3 replications. So that there are 10 treatment combinations of a total number of 30 experimental plots. There were 2 fact

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6

Armarkar, Sarika A., R. M. Gade, and Mina D. Koche. "Growth Promotion Activity And Growth Pattern Of Pseudomonas Fluorescens On Different Solid Media." Journal of Plant Disease Sciences 17, no. 1 (2022): 22–27. http://dx.doi.org/10.48165/jpds.2022.1706.

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Study was conducted in vitro to study the growth promotion activity and growth pattern of Pseudomonas fluorescens on different solid media. Soil samples were collected randomly from rhizosphere of citrus plants for isolation of Pseudomonas. Twenty six isolates was isolated, out of twenty six isolates eight isolates showed abiliity of siderophore production, thirteen isolates showed positiveness for IAA production, nine isolates showed phosphate solubilization and seven isolates were positive for HCN production. For growth pattern study of P. fluorescens three different media i.e. King’s B, Pse

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7

Gottlieb, Tom, Glenn Funnell, and Iain Gosbell. "Pseudomonas fluorescens pseudobacteraemia." Medical Journal of Australia 155, no. 11-12 (1991): 854–55. http://dx.doi.org/10.5694/j.1326-5377.1991.tb94085.x.

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8

MARSHALL, DOUGLAS L., and RONALD H. SCHMIDT. "Growth of Listeria monocytogenes at 10°C in Milk Preincubated with Selected Pseudomonads1." Journal of Food Protection 51, no. 4 (1988): 277–82. http://dx.doi.org/10.4315/0362-028x-51.4.277.

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Preliminary studies involving co-inoculation of Listeria monocytogenes with Pseudomonas fragi into whole or skim milk demonstrated that neither inhibition nor stimulation of growth occurred for either organism. Additional investigations involved preincubation of whole milk, skim milk, and 10% reconstituted nonfat dry milk (NDM) for 3 d at 10°C with P. fragi, Pseudomonas fluorescens P26, P. fluorescens T25, or P. fluorescens B52, followed by inoculation with L. monocytogenes and further incubation at 10°C. Growth curves of L. monocytogenes were constructed for each treatment combination and gen

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9

Snopková, Kateřina, Kristýna Dufková, and David Šmajs. "Pseudomonas prosekii isolated in Antarctica inhibits plantpathogenic strains of Pseudomonas viridiflava and Pseudomonas fluorescens." Czech Polar Reports 11, no. 2 (2022): 270–78. http://dx.doi.org/10.5817/cpr2021-2-18.

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Pseudomonas-caused plant diseases are present worldwide and affect most of the major lineages of higher plants which, as a consequence, may result in significant economic losses. Despite the use of bacteriocins produced by rhizosphere and soil bacteria has been nowadays considered as novel crop protection approach, antagonistic interactions of cold-adapted isolates toward agriculturally important phytopathogenic bacteria have not been studied yet. In this study, we tested inhibition activity of Antarctic Pseudomonas spp. against phytopathogenic pseudomonads. Four Antarctic stains (P. prosekii

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10

Moënne-Loccoz, Yvan, Hans-Volker Tichy, Anne O'Donnell, Reinhard Simon, and Fergal O'Gara. "Impact of 2,4-Diacetylphloroglucinol-Producing Biocontrol StrainPseudomonas fluorescens F113 on Intraspecific Diversity of Resident Culturable Fluorescent Pseudomonads Associated with the Roots of Field-Grown Sugar Beet Seedlings." Applied and Environmental Microbiology 67, no. 8 (2001): 3418–25. http://dx.doi.org/10.1128/aem.67.8.3418-3425.2001.

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ABSTRACT The impact of the 2,4-diacetylphloroglucinol-producing biocontrol agent Pseudomonas fluorescens F113Rif on the diversity of the resident community of culturable fluorescent pseudomonads associated with the roots of field-grown sugar beet seedlings was evaluated. At 19 days after sowing, the seed inoculant F113Rif had replaced some of the resident culturable fluorescent pseudomonads at the rhizoplane but had no effect on the number of these bacteria in the rhizosphere. A total of 498 isolates of resident fluorescent pseudomonads were obtained and characterized by molecular means at the

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11

Godfrey, S. A. C., S. A. Harrow, J. W. Marshall, and J. D. Klena. "Characterization by 16S rRNA Sequence Analysis of Pseudomonads Causing Blotch Disease of Cultivated Agaricus bisporus." Applied and Environmental Microbiology 67, no. 9 (2001): 4316–23. http://dx.doi.org/10.1128/aem.67.9.4316-4323.2001.

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ABSTRACT Bacterial blotch of Agaricus bisporus has typically been identified as being caused by either Pseudomonas tolaasii (brown blotch) or Pseudomonas gingeri(ginger blotch). To address the relatedness of pseudomonads able to induce blotch, a pilot study was initiated in which pseudomonads were selectively isolated from mushroom farms throughout New Zealand. Thirty-three pseudomonad isolates were identified as being capable of causing different degrees of discoloration (separable into nine categories) of A. bisporus tissue in a bioassay. These isolates were also identified as unique using r

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12

FARRAG, SEHAM A., and ELMER H. MARTH. "Growth of Listeria monocytogenes in the Presence of Pseudomonas fluorescens at 7 or 13°C in Skim Milk." Journal of Food Protection 52, no. 12 (1989): 852–55. http://dx.doi.org/10.4315/0362-028x-52.12.852.

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Autoclaved samples of skim milk were inoculated with Listeria monocytogenes (strain Scott A, California or V7), Pseudomonas fluorescens (strain P26 or B52), or a combination of L. monocytogenes plus P. fluorescens, and incubated at 7 or 13°C for 8 weeks. McBride Listeria Agar was used to determine populations of L. monocytogenes (at 0, 7, 14, 28, 42, or 56 d), and Pseudomonas isolation agar to enumerate P. fluorescens. Growth of L. monocytogenes was somewhat enhanced after 7 d of incubation at 7 but not at 13°C in the presence of pseudomonads. However, after 14 d and until the end of the incub

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13

Davis, Edward W., Rachel A. Okrent, Viola A. Manning, and Kristin M. Trippe. "Unexpected distribution of the 4-formylaminooxyvinylglycine (FVG) biosynthetic pathway in Pseudomonas and beyond." PLOS ONE 16, no. 4 (2021): e0247348. http://dx.doi.org/10.1371/journal.pone.0247348.

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The biological herbicide and antibiotic 4-formylaminooxyvinylglycine (FVG) was originally isolated from several rhizosphere-associated strains of Pseudomonas fluorescens. Biosynthesis of FVG is dependent on the gvg biosynthetic gene cluster in P. fluorescens. In this investigation, we used comparative genomics to identify strains with the genetic potential to produce FVG due to presence of a gvg gene cluster. These strains primarily belong to two groups of Pseudomonas, P. fluorescens and P. syringae, however, a few strains with the gvg cluster were found outside of Pseudomonas. Mass spectromet

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14

Gangwar, Gokil Prasad, and A. P. Sinha. "Effect of fungal and bacterial bioagent application on total phenolic content in rice leaves pre-inoculated with Xanthomonas oryzae pv. oryzae (Uyeda and Ishiyama) Dowson." Journal of Applied and Natural Science 6, no. 1 (2014): 254–57. http://dx.doi.org/10.31018/jans.v6i1.410.

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Present study was carried out to observe the effect of fungal and bacterial bioagents on total phenolic content in rice leaves pre-inoculated with Xanthomonas oryzae pv. oryzae and on disease severity of bacterial leaf blight of rice. Two commercial formulations of Trichoderma harzianum (PBA-1) and Pseudomonas fluorescens (PBA-2) and four formulations of fluorescent pseudomonads and Trichoderma spp. viz, P. fluorescens (Pf 83, rice leaf isolate), fluorescent pseudomonad (FLP 88, rice leaf isolate), T. harzianum (rice leaf isolate), Trichoderma spp. (isolate 40, isolated from rice field soil) w

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15

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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16

R, Vimala, and Suriachandraselvan M. "INFLUENCE OF ANTAGONISTIC AGENT, PLANT PRODUCTS AND CHEMICAL AGENTS ON THE POWDERY MILDEW DISEASE OF BHENDI AND ITS PRODUCTION." Journal of Biopesticides 1, no. 2 (2008): 130–33. http://dx.doi.org/10.57182/jbiopestic.1.2.130-133.

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Field investigations were made to study the influence of integrated disease management involving plant products and biological control agents of powdery mildew of Bhendi (Erysiphe cichoracearum DC) with ten treatments viz.,Pseudomonas fluorescens I18 (0.2%), P.fluorescens 1(0.2%), Ocimum sanctum 10%, Neem Seed Kernel Extract 5%, K2 HPO4 50 mM, Salicylic acid 1mM, O. sanctum 5% + P. fluorescens I18 (0.2%),Neem Seed Kernel Extract 5 % + P.fluorescens I18 (0.2%), Carbendazim 0.1% and Control. Two sprays were given; first one on 30 days after sowing and the second one on 60 days after sowing. Powd

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17

Sun, Yao, Tianhui Wei, Tongqing Ma, Zhiying Fan, and Jinzhu Song. "Dellaglioa Algida Cell-Free Supernatant Inhibits Pseudomonas Fluorescence and Pseudomonas Fragi by Destroying Cell Membranes." Foods 13, no. 18 (2024): 2986. http://dx.doi.org/10.3390/foods13182986.

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The aim of this study was to examine the components of the cell-free supernatant (CFS) derived from a novel strain of psychrophilic Lactobacillus, Dellaglioa algida, and to further elucidate the impact of this CFS on various cellular processes. Specifically, we sought to understand its effects on the cell membrane, protein and DNA release, protease activity, and metabolites of Pseudomonas fluorescens and Pseudomonas fragi, thereby clarifying the antibacterial mechanism involved. The CFS components were analyzed using Gas Chromatography–Mass Spectrometry (GC-MS), the Coomassie Brilliant Blue me

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18

Meyer, Jean-Marie, Valérie A. Geoffroy, Nader Baida, et al. "Siderophore Typing, a Powerful Tool for the Identification of Fluorescent and Nonfluorescent Pseudomonads." Applied and Environmental Microbiology 68, no. 6 (2002): 2745–53. http://dx.doi.org/10.1128/aem.68.6.2745-2753.2002.

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ABSTRACT A total of 301 strains of fluorescent pseudomonads previously characterized by conventional phenotypic and/or genomic taxonomic methods were analyzed through siderotyping, i.e., by the isoelectrophoretic characterization of their main siderophores and pyoverdines and determination of the pyoverdine-mediated iron uptake specificity of the strains. As a general rule, strains within a well-circumscribed taxonomic group, namely the species Pseudomonas brassicacearum, Pseudomonas fuscovaginae, Pseudomonas jessenii, Pseudomonas mandelii, Pseudomonas monteilii, “Pseudomonas mosselii,” “Pseud

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19

Silva, Gildo Almeida da, and Erik Amazonas de Almeida. "Production of yellow-green fluorescent pigment by Pseudomonas fluorescens." Brazilian Archives of Biology and Technology 49, no. 3 (2006): 411–19. http://dx.doi.org/10.1590/s1516-89132006000400009.

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A medium was prepared from brewery waste yeast with and without mineral salts to study growth and yellow-green fluorescent pigment production (YGFP) by Pseudomonas fluorescens. The King's medium used for detection of siderophore production were expressively weaker inductors of YGFP formation when compared to FYE medium. Although FYE and CYE could be used for growth of P. fluorescens, only FYE was an attractive medium for detection of YGFP strain producers.

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20

Anderson, Mark, and Richard Davey. "Pseudobacteraemia with Pseudomonas fluorescens." Medical Journal of Australia 160, no. 4 (1994): 233–34. http://dx.doi.org/10.5694/j.1326-5377.1994.tb126622.x.

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21

Elita, Nelson, Rita Erlinda, Yefriwati Yefriwati, Deliana Andam Sari, and Ayu Kurnia Illahi. "Peningkatan Kualitas Pupuk Hayati Diperkaya dengan Bakteri Pelarut Kalium, Fosfor dan Penambat Nitrogen Indigenous dari Berbagai Rizosfer Tanaman Padi Terhadap Kandungan Hara dan Jumlah Populasi Mikroba." Agroteknika 7, no. 4 (2024): 655–71. https://doi.org/10.55043/agroteknika.v7i4.418.

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Pupuk hayati merupakan pupuk organik mengandung sekelompok mikroorganisme yang beragam, berperan mendorong pertumbuhan tanaman dan menjaga kesehatan tanah. Penelitian sebelumnya pupuk hayati dengan penambahan bakteri Azotobacter sp, Pseudomonas fluorescens, Bacillus thuringiensis. Kebaharuan penelitian ini adalah pupuk hayati diperkaya dengan bakteri pelarut kalium berasal dari berbagai rizosfer tanaman padi. Tujuan penelitian memperoleh jenis bakteri pelarut kalium efektif meningkatkan kandungan hara pupuk hayati. Penelitian dilaksanakan dengan menggunakan rancangan acak lengkap dengan 8 perl

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Inoue, Hiroyuki, Osamu Takimura, Hiroyuki Fuse, Katsuji Murakami, Kazuo Kamimura, and Yukiho Yamaoka. "Degradation of Triphenyltin by a Fluorescent Pseudomonad." Applied and Environmental Microbiology 66, no. 8 (2000): 3492–98. http://dx.doi.org/10.1128/aem.66.8.3492-3498.2000.

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ABSTRACT Triphenyltin (TPT)-degrading bacteria were screened by a simple technique using a post-column high-performance liquid chromatography using 3,3′,4′,7-tetrahydroxyflavone as a post-column reagent for determination of TPT and its metabolite, diphenyltin (DPT). An isolated strain, strain CNR15, was identified as Pseudomonas chlororaphis on the basis of its morphological and biochemical features. The incubation of strain CNR15 in a medium containing glycerol, succinate, and 130 μM TPT resulted in the rapid degradation of TPT and the accumulation of approximately 40 μM DPT as the only metab

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FREEDMAN, DANIEL J., JEFFERY K. KONDO, and DOUGLAS L. WILLRETT. "Antagonism of Foodborne Bacteria by Pseudomonas spp.: A Possible Role for Iron1." Journal of Food Protection 52, no. 7 (1989): 484–89. http://dx.doi.org/10.4315/0362-028x-52.7.484.

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Antagonistic action of Pseudomonas spp. against foodborne spoilage and pathogenic bacteria was studied to determine mechanisms involved in the establishment of dominance by these organisms in food systems. Thirteen Pseudomonas strains from plant and food origin were tested for the ability to inhibit other Pseudomonas spp. on brain heart infusion agar using a bacteriocin screening assay. P. aeruginosa AA was the most active, inhibiting P. phaseolicola, P. pisi, P. putida, P. fluorescens, and P. fragi strains. When testing for antagonism against non-pseudomonads, four Pseudomonas spp. showed wid

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Gandraburova, N. I., E. I. Kharina, and A. G. Gadzhiahmedova. "EFFECTS OF PSEUDOMONAS FLUORESCENS ON SOME SOIL MICROORGANISMS." Nauka v sovremennom mire 37, no. 4 (2019): 13–17. http://dx.doi.org/10.31618/2524-0935-2019-37-4-13-17.

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Mazzola, Mark, David M. Granatstein, Don C. Elfving, Kent Mullinix, and Yu-Huan Gu. "Cultural Management of Microbial Community Structure to Enhance Growth of Apple in Replant Soils." Phytopathology® 92, no. 12 (2002): 1363–66. http://dx.doi.org/10.1094/phyto.2002.92.12.1363.

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Apple replant disease typically is managed through pre-plant application of broad-spectrum soil fumigants including methyl bromide. The impending loss or restricted use of soil fumigants and the needs of an expanding organic tree fruit industry necessitate the development of alternative control measures. The microbial community resident in a wheat field soil was shown to suppress components of the microbial complex that incites apple replant disease. Pseudomonas putida was the primary fluorescent pseudomonad recovered from suppressive soil, whereas Pseudomonas fluorescens bv. III was dominant

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Sari, Maulidyanti E., Raihani Wahdah, and Bambang Fredricus. "PENGARUH PRIMING DENGAN EKSTRAK TOMAT DAN LAMA PERENDAMAN DENGAN Pseudomonas fluorescens TERHADAP VIABILITAS BENIH TERUNG BORNEO Lu (Solanum melongena L.)." EnviroScienteae 18, no. 2 (2022): 193. http://dx.doi.org/10.20527/es.v18i2.14822.

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The objectives of this study were : To determine the effect of interaction between tomato fruit extract concentration and seeds soaking time with Pseudomonas fluorescens on the viability of eggplant seeds; To determine the effect of each tomato extract concentration and seeds soaking time with Pseudomonas fluorescens on the viability of eggplant seeds; To determine the best combination of tomato fruit extract concentration and seeds soaking time with Pseudomonas fluorescens on the viability of eggplant seeds. This study used a Factorial Completely Randomized Design (CRD) with separate control.

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Rajeswari, P., and Rupam Kapoor. "Combined Application of Different Species of Trichoderma and Pseudomonas fluorescens on the Cellulolytic Enzymes of Fusarium Oxysporum for the Control of Fusarium wiltDisease in Arachis hypogea. L." Biosciences, Biotechnology Research Asia 14, no. 3 (2017): 1169–76. http://dx.doi.org/10.13005/bbra/2557.

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ABSTRACT: Fusarium oxysporum causes Fusarium wilt of crop plants leads to considerable yield loss. The study was conducted to determine the beneficial effects of combining Trichoderma species and Pseudomonas fluorescens i.e Trichodema viride+ Pseudomonas fluorescens (Tv+Pf) (1+2%), Trichoderma harzianum+Pseudomonas fluorescens (Th+Pf) (1.5+2%), Trichoderma viride +Trichoderma harzianum (Tv+Th) (1+1.5%) on the activity of cellulolytic enzymes of Fusarium oxysporum to control Fusarium wilt of Arachis hypogaea. L wilt in vitro. The activity of 1,4 -β – Endoglucanase, 1,4 -β – Exoglucanase, Cellob

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YOON, Hong Mook, Sung Hoon MOON, and Young Hwan SONG. "Characterization of Biosurfactant Produced by Pseudomonas fluorescens PD101." Korean Journal of Fisheries and Aquatic Sciences 36, no. 3 (2003): 230–38. http://dx.doi.org/10.5657/kfas.2003.36.3.230.

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Couillerot, Olivier, Emeline Combes-Meynet, Joël F. Pothier, et al. "The role of the antimicrobial compound 2,4-diacetylphloroglucinol in the impact of biocontrol Pseudomonas fluorescens F113 on Azospirillum brasilense phytostimulators." Microbiology 157, no. 6 (2011): 1694–705. http://dx.doi.org/10.1099/mic.0.043943-0.

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Pseudomonads producing the antimicrobial metabolite 2,4-diacetylphloroglucinol (Phl) can control soil-borne phytopathogens, but their impact on other plant-beneficial bacteria remains poorly documented. Here, the effects of synthetic Phl and Phl+ Pseudomonas fluorescens F113 on Azospirillum brasilense phytostimulators were investigated. Most A. brasilense strains were moderately sensitive to Phl. In vitro, Phl induced accumulation of carotenoids and poly-β-hydroxybutyrate-like granules, cytoplasmic membrane damage and growth inhibition in A. brasilense Cd. Experiments with P. fluorescens F113

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Aloysius, Ng. Lende, Lehar Laurensius, and MC Sine Heny. "Application of organic fertilizer and Pseudomonas fluorescens on the growth and yield of shallot cultivar Sabu Raijua (Allium ascalonicum L .) in dry land." GSC Advanced Research and Reviews 5, no. 2 (2020): 123–30. https://doi.org/10.5281/zenodo.4319645.

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The specific objectives of this study were 1 ) knowing certain types of organic fertilizers on the growth of shallots 2 ) knowing the concentrations of <em>Pseudomonas fluorescens</em>s certain the growth of shallots, 3 ) knowing the types of organic fertilizers and the concentrations <em>Pseudomonas fluorescens</em> specificity increase the optimal yield of shallots. To achieve this goal, this research was conducted using factorial experiments with a split Plot Design with 10 treatments and 3 replications. So that there are 10 treatment combinations of a total number of 30 expe

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Mohan, Vathsala, Reginald Wibisono, Saili Chalke, Graham Fletcher, and Françoise Leroi. "The Anti-Listeria Activity of Pseudomonas fluorescens Isolated from the Horticultural Environment in New Zealand." Pathogens 12, no. 2 (2023): 349. http://dx.doi.org/10.3390/pathogens12020349.

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Beneficial bacteria with antibacterial properties are attractive alternatives to chemical-based antibacterial or bactericidal agents. Our study sourced such bacteria from horticultural produce and environments to explore the mechanisms of their antimicrobial properties. Five strains of Pseudomonas fluorescens were studied that possessed antibacterial activity against the pathogen Listeria monocytogenes. The vegetative culture of these strains (Pseudomonas fluorescens-PFR46I06, Pseudomonas fluorescens-PFR46H06, Pseudomonas fluorescens-PFR46H07, Pseudomonas fluorescens-PFR46H08 and Pseudomonas f

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Mavrodi, Dmitri V., Robert F. Bonsall, Shannon M. Delaney, Marilyn J. Soule, Greg Phillips, and Linda S. Thomashow. "Functional Analysis of Genes for Biosynthesis of Pyocyanin and Phenazine-1-Carboxamide from Pseudomonas aeruginosa PAO1." Journal of Bacteriology 183, no. 21 (2001): 6454–65. http://dx.doi.org/10.1128/jb.183.21.6454-6465.2001.

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ABSTRACT Two seven-gene phenazine biosynthetic loci were cloned fromPseudomonas aeruginosa PAO1. The operons, designatedphzA1B1C1D1E1F1G1 and phzA2B2C2D2E2F2G2, are homologous to previously studied phenazine biosynthetic operons from Pseudomonas fluorescens and Pseudomonas aureofaciens. Functional studies of phenazine-nonproducing strains of fluorescent pseudomonads indicated that each of the biosynthetic operons from P. aeruginosa is sufficient for production of a single compound, phenazine-1-carboxylic acid (PCA). Subsequent conversion of PCA to pyocyanin is mediated in P. aeruginosa by two

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Mlipano, Chove Lucy, Grandison Alistair, and Lewis Michael. "Detection of Proteolysis in Milk by Pseudomonas fluorescens Using Urea PAGE Method." Journal of Food Studies 7, no. 1 (2017): 14. http://dx.doi.org/10.5296/jfs.v7i1.12019.

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Proteolysis of milk during storage by two strains of Pseudomonas NCIMB 702085 (414) and NCIMB 701274 (416) was investigated using the Urea PAGE method. Pseudomonas fluorescens enzymes were also extracted and purified by dialysis before inoculation into UHT skim milk in an attempt to partially purify the enzyme. Results showed that dialysis removed some peptides and amino acids which would interfere with the assay procedure. The method also confirmed that Pseudomonas fluorescens NCIMB 701274 (416) was more proteolytic than Pseudomonas NCIMB 702085 (414). Thus, Urea PAGE is a useful method for m

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Tomer, Ajay, Ramji Singh, Durga Prasad, and Saurabh Kumar Singh. "INFLUENCE OF SEED BIOPRIMING WITH DIFFERENT ISOLATES OF PSEUDOMONAS FLUORESCENS ON THE GROWTH OF PADDY." Journal of Biopesticides 13, no. 02 (2020): 103–9. http://dx.doi.org/10.57182/jbiopestic.13.2.103-109.

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ABSTRACT Many strains of the Pseudomonas fluorescens have been characterized as plant growth promoting rhizobacteria (PGPR) and they enhance the growth and yield of economical important paddy crops. The effect of bio-priming on paddy paddy seed growth was assessed at Crop Research Centre S.V.B.P.A.&T Meerut India by studying the effect of fluorescent Pseudomonas strains for their growth stimulatory effect on paddy plants in Randomized Block Design (RBD) in pot conditions. A total of nineteen isolates of the rhizobacteria Pseudomonas fluorescens were selected from the fields of paddy, wheat

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Kumar Maurya, Manoj, Ramji Singh, and Ajay Tomer. "IN VITRO EVALUATION OF ANTAGONISTIC ACTIVITY OF PSEUDOMONAS FLUORESCENSAGAINST FUNGAL PATHOGEN." Journal of Biopesticides 07, no. 01 (2014): 43–46. http://dx.doi.org/10.57182/jbiopestic.7.1.43-46.

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ABSTRACT The present investigation was undertaken to isolate different strains of Pseudomonas fluorescens from various agroecological zones or crop’s rhizosphere like moong, brinjal, rice, chilli, mustard, chirchida and tomato. Totally eight micro flora resembling Pseudomonas fluorescens were isolatedand three isolates were confirmed as P. fluorescens (strain P.f.01, strain P.f.05 and strain P.f.07). Pseudomonas fluorescens strains P.f 07 were found most effective with the highest antagonisticactivity against three fungal pathogen and show maximum inhibition of mycelial growth of Fusariummonil

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Schmidt, C. S., F. Agostini, C. Leifert, K. Killham, and C. E. Mullins. "Influence of Soil Temperature and Matric Potential on Sugar Beet Seedling Colonization and Suppression of Pythium Damping-Off by the Antagonistic Bacteria Pseudomonas fluorescens and Bacillus subtilis." Phytopathology® 94, no. 4 (2004): 351–63. http://dx.doi.org/10.1094/phyto.2004.94.4.351.

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Pseudomonas fluorescens B5 and Bacillus subtilis MBI 600 colonized sugar beet seedlings at matric potentials of -7 × 103, -140 × 103, and -330 × 103 Pa and under five temperature regimes ranging from 7 to 35°C, with diurnal fluctuations of 5 to 22°C. No interaction between matric potential and temperature was observed. In situ bioluminescence indicated physiological activity of Pseudomonas fluorescens B5. Colonization of the root at ≥4 cm below the seed decreased at very low matric potential (-330 × 103 Pa). Total population size of Pseudomonas fluorescens B5 per seedling was significantly inc

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Ammeri, Rim Werheni, Ines Mehri, Souhir Badi, Wafa Hassen, and Abdenaceur Hassen. "Pentachlorophenol degradation by Pseudomonas fluorescens." Water Quality Research Journal 52, no. 2 (2015): 99–108. http://dx.doi.org/10.2166/wqrj.2017.003.

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Fluorescent Pseudomonads strains were considered as plant growth promoting bacteria. They exhibited antagonistic activities against phytopathogens and showed bio-fertilizing properties. The strain Pseudomonas fluorescens PsWw128, isolated from wastewater, can use the pentachlorophenol (PCP) as the sole source of carbon and energy. High-performance liquid chromatography (HPLC) and spectrophotometric methods were used to follow the PCP degradation and biomass PsWw128 formation. However, the removal efficiency of PCP was highly significant. Thus, PsWw128 was able to degrade more than 99% of PCP w

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Shweta, R. K. S. Tiwari, and Vinod Kumar Nirmalkar. "Efficacy of various bio-control agents for the management of leaf spot of turmeric (Curcuma longa L.) caused by Taphrina maculans." INTERNATIONAL JOURNAL OF PLANT SCIENCES 17, no. 1 (2022): 32–36. http://dx.doi.org/10.15740/has/ijps/17.1/32-36.

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A field experiment was conducted in the last week of June 2020, at Horticulture Research cum Instructional Farm of Barrister Thakur Chhedilal College of Agriculture and Research Station, Sarkanda, Bilaspur (C.G.), to test the efficacy of various bio-control agents for the management of leaf spot of turmeric caused by Taphrina maculans. Treatment include the bio-agents alone or different combinations viz. Trichoderma harzianum, Pseudomonas fluorescens, Bacillus subtilis, Trichoderma harzianum + Pseudomonas fluorescens, Trichoderma harzianum + Bacillus subtilis, Pseudomonas fluorescens + Bacillu

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Sutariati, G. A. K., T. C. Rakian, A. Madiki, N. M. Rahni, G. N. A. Wibawa, and L. Mudi. "Effectiveness of a single and a mixture treatments of rhizobacteria in increasing the growth and yield of hot pepper (Capsicum annuum L.)." IOP Conference Series: Earth and Environmental Science 977, no. 1 (2022): 012044. http://dx.doi.org/10.1088/1755-1315/977/1/012044.

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Abstract Concern for the safety and public health of the environmental impact of the use of chemical pesticides has prompted more consideration of the use of environmentally friendly plant cultivation technologies as a natural approach to improve plant health. This study aimed to evaluate the effectiveness of seed treatment with rhizobacteria Bacillus sp.CKD061, Pseudomonas sp. SWRIIB04 and Pseudomonas fluorescens PG01 alone or in mixture on the growth and yield of hot pepper plants. The study was arranged using a randomized block design consisting of 8 rhizobacteria treatments, namely control

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Archna, R. C. Sobti, and S. K. Sharma. "Microbial Denitrification of Ground Water ¨C Batch Study." Asian Journal of Water, Environment and Pollution 8, no. 3 (2011): 89–94. http://dx.doi.org/10.3233/ajw-2011-8_3_14.

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Nitrate pollution of ground water is increasing alarmingly in various countries. Biological denitrification has been found as the most inexpensive and effective technique for nitrate removal. The present work involves batch studies for heterotrophic biological denitrification using cotton as the carbon source and Pseudomonas fluorescens NCIM 5059 and Pseudomonas stutzeri NCIM 5136 as the microbial strains. A maximum removal of 91.0 mg/l at 30°C for the strain Pseudomonas fluorescens and 89.2 mg/l at 40°C for the strain Pseudomonas stutzeri was observed for an initial nitrate concentration of 1

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Behrendt, Undine, Andreas Ulrich, Peter Schumann, Jean-Marie Meyer, and Cathrin Spröer. "Pseudomonas lurida sp. nov., a fluorescent species associated with the phyllosphere of grasses." International Journal of Systematic and Evolutionary Microbiology 57, no. 5 (2007): 979–85. http://dx.doi.org/10.1099/ijs.0.64793-0.

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The taxonomic position of a group of fluorescent pseudomonad strains isolated from the phyllosphere of grasses was investigated through a polyphasic approach. Riboprinting analysis revealed highly similar patterns for the investigated strains which supported, together with the agreement of many phenotypic characteristics, their affiliation to the same species. A comparison of 16S rRNA gene sequences of strain P 513/18T, a representative strain from the grass isolates, revealed that it was affiliated to the cluster of the ‘Pseudomonas fluorescens group’, with Pseudomonas costantinii as the clos

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Watson, Tristan T., Tom A. Forge, and Louise M. Nelson. "Pseudomonads contribute to regulation ofPratylenchus penetrans(Nematoda) populations on apple." Canadian Journal of Microbiology 64, no. 11 (2018): 775–85. http://dx.doi.org/10.1139/cjm-2018-0040.

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Inoculation with antagonistic soil microorganisms has shown potential to suppress replant disease of apple in orchard soils. Pseudomonas spp. may have the potential to reduce Pratylenchus penetrans populations on apple. Pseudomonas spp. were isolated from the rhizosphere of sweet cherry and screened for antagonistic characteristics. Two highly antagonistic Pseudomonas isolates, P10-32 and P10-42, were evaluated for growth promotion of apple seedlings, suppression of P. penetrans populations, and root colonization in soil from three orchards. During the isolate screening, Pseudomonas fluorescen

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ASAI, Hisae, Hiromichi ONOZAKI, and Hidemasa IMASEKI. "Vanillylamine metabolism in Pseudomonas fluorescens." Agricultural and Biological Chemistry 52, no. 11 (1988): 2741–46. http://dx.doi.org/10.1271/bbb1961.52.2741.

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SIMOR, A. E., J. RICCI, A. LAU, R. M. BANNATYNE, and L. FORD-JONES. "Pseudobacteremia due to Pseudomonas fluorescens." Pediatric Infectious Disease Journal 4, no. 5 (1985): 508–12. http://dx.doi.org/10.1097/00006454-198509000-00014.

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Collignon, P., D. Dreimanis, and W. Beckingham. "Pseudobacteraemia due to Pseudomonas fluorescens." Journal of Hospital Infection 43, no. 4 (1999): 321–22. http://dx.doi.org/10.1016/s0195-6701(99)90434-6.

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Anderson, Shawna, and Vasu D. Appanna. "Indium detoxification in Pseudomonas fluorescens." Environmental Pollution 82, no. 1 (1993): 33–37. http://dx.doi.org/10.1016/0269-7491(93)90159-l.

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KURESHI, AMINA, and HARY SUSEELAN. "CAVITARY PNEUMONIA FROM PSEUDOMONAS FLUORESCENS." CHEST 164, no. 4 (2023): A1441. http://dx.doi.org/10.1016/j.chest.2023.07.1000.

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Debta, Harish, T. K. Kunhamu, A. V. Santhoshkumar, V. Jamaludheen, N. K. Binu, and K. C. Jisha. "Biopriming Techniques for Improving Germination and Seedling Growth in Indian Sandalwood (Santalum album L.)." International Journal of Economic Plants 11, Nov, 4 (2024): 489–98. https://doi.org/10.23910/2/2024.5726.

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The present study was conducted during April, 2022 to September, 2023 with an aim to screen out the most effective biopriming treatment for improving the regeneration related constraints and seedling growth of Indian sandalwood (Santalum album L.), an IUCN- Vulnerable category tree species, that are under severe threat due to illegal harvesting and over exploitation in the wild. We tried five biopriming agents (e.g. Effective microorganisms; Plant growth promoting rhizobacteria (PGPR-I and PGPR-II); Pseudomonas fluorescens and Piriformospora indica) with four uniform durations of treatments i.

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Saidi, Aluna Utilma, Mintarto Martosudiro, and Abdul Latief Abadi. "Induction Resistance in Chili (Capsicum frutescens L.) to the Geminivirus Disease by Pseudomonas fluorescens." Research Journal of Life Science 9, no. 2 (2022): 47–60. http://dx.doi.org/10.21776/ub.rjls.2022.009.02.1.

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This study included resistance induced by Pseudomonas fluorescens PGPR in chili (Capsicum frutescens L.) infected with Geminivirus. Geminivirus often attacks chili plants, causing disease with a yellowish color to the leaves, lobes, and stunting. Chili plants that have been attacked by the virus will experience crop failure and plant death. Virus prevention can be done with the application of PGPR by Pseudomonas fluorescens. The method used was 6 treatments on chili plants which were repeated 4 times. The analysis of variance was processed using R software. The results showed that cayenne pepp

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Budzikiewicz, H., S. Kilz, K. Taraz, and J. M. Meyer. "Identical Pyoverdines from Pseudomonas fluorescens 9AW and from Pseudomonas putida 9BW." Zeitschrift für Naturforschung C 52, no. 11-12 (1997): 721–28. http://dx.doi.org/10.1515/znc-1997-11-1202.

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Abstract Pseudomonas fluorescens, Pseudomonas putida, Pyoverdine, Siderophore, Bacterial Classification From Pseudom onas fluorescens 9AW and from Pseudomonas putida 9BW identical pyo-verdine-type siderophores were isolated and their structures were elucidated by spectroscopic methods and degradation studies. These novel compounds are of interest as they contain L-threo-β-hydroxy histidine in their peptide chains, an amino acid sofar encountered in nature only rarely. The co-occurence of the same pyoverdine in different Pseudom onas species and its significance for the classification is discus

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