mechanisms of adhesion of paenibacillus polymyxa onto

  • Composition and immunochemical characteristics of

    Exopolysaccharides (EPS) synthesized by Paenibacillus polymyxa 1465 in the course of batch cultivation were proven to contain neutral and acidic fractions. EPS are heterogeneous polysaccharides, represented by a complex of macromolecules with molecular mass of 7 215; 10 4 to 2 215; 10 6 Da.

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  • Current knowledge and perspectives of Paenibacillus a

    Process manufacturing. Paenibacillus strains produce a variety of enzymes with potential applications in industrial process manufacturing for detergents, food, textiles, paper, and biofuel; including amylases, cellulases, hemicellulases, lipases, pectinases, and lignin modifying enzymes (Additional file 3 ).

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  • Mechanisms of adhesion of Paenibacillus polymyxa onto

    May 01, 20010183;32;Read quot;Mechanisms of adhesion of Paenibacillus polymyxa onto hematite, corundum and quartz, International Journal of Mineral Processingquot; on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

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  • Mechanisms of adhesion of Paenibacillus polymyxa onto

    The interaction energies between P. polymyxa and hematite, corundum and quartz were calculated as a function of pH and are represented in Fig. 8. In the case of hematite and corundum, the potential interaction between them and P. polymyxa is negative in the pH range of 4 to 7 resulting in adhesion.

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  • Chronicle of a Soil Bacterium Paenibacillus polymyxa E681

    The Gram positive rhizosphere bacterium Paenibacillus polymyxa promotes plant growth and produces various antibiotics. Herein, we review research on this species over the past two and a half decades, and focus on the mechanisms of P. polymyxa strain E681, isolated from barley roots in the Republic of Korea in 1995. Strain E681 has outstanding growth promoting effects on barley, cucumber

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  • Bio Control of Net Blotch and Scald Pathogens of Barley

    Net blotch and scald are important foliar diseases of barley. In the present study, the biocontrol activity of Paenibacillus polymyxa KaI245 was evaluated against Drechsclera teres f. sp teres and Rhynchosporium commune causing net form net blotch and scald respectively. In vitro efficacy of the bacterial isolate entailed dual culture technique, use of cell free supernatant and test for

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  • 7 Refer234;ncias Bibliogr225;ficas PUC Rio

    7 Refer234;ncias Bibliogr225;ficas 1 SOUZA, A.E. Fosfato. Balan231;o Mineral Brasileiro 2001, DNPM (site SMITH, R.W., Adhesion of two bacteria onto dolomite and apatite their effect on dolomite depression in anionic flotation. K.A. and SOMASUNDARAN, P., Mechanisms of adhesion of Paenibacillus polymyxa onto hematite, corundum and quartz

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  • Mechanisms of adhesion of Paenibacillus polymyxa onto

    Adhesion of bacteria onto solid surfaces is a necessary event in nature for the utilization of inorganic and organic values and for the enhanced growth of bacteria.

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  • Minerals Engineering International Online Commodities

    Mechanisms of adhesion of Paenibacillus polymyxa onto hematite, corundum and quartz. Int. J. Mineral Processing, Vol.62, No.1 4, 2000. Namita Deo and K.A. Natarajan. Role of corundum adapted strains of Bacillus polymyxa in the separation of hematite and alumina.

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  • Degradation and Colonization of Cellulose by Diazotrophic

    Paenibacillus polymyxa is a spore forming, Gram positive, problem is important as that the mechanism of cellulose degradation whereas in the case of bacterial cells, adhesion and the colonization of cellulose are necessary for the synthesis of cellulases to be initiated, particularly in the initial stages of cellulolysis.

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  • Volatile organic compounds from Paenibacillus polymyxa

    Nov 24, 20170183;32;Paenibacillus polymyxa KM2501 1 was isolated from rhizosphere soil of buttercup (Ranunculus) polluted with recalcitrant organic compounds

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  • Colonization of peanut roots by biofilmforming

    Scanning electron micrographs of plant roots colonized by Paenibacillus polymyxa and Aspergillus niger (greenhouse experiment and gnotobiotic experiment). Peanut plant roots (a and b) in potting soil were infected with A. niger (c and d). Paenibacillus polymyxa B5 biofilm formation on peanut plant inhibits A. niger colonization (e and f).

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  • 8 Bibliographic references PUC Rio

    bauxite using Bacillus polymyxa calcium and iron removal. International Journal of Mineral Processing, v. 48 P. Mechanisms of adhesion of . Paenibacillus polymyxa . onto hematite, corundum and quartz. International Journal of Mineral Processing SASAKI, K., DOI, K. Adhesion of . Escherichia coli. onto quartz, hematite and corundum

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  • Biofilm Formation by Paenibacillus polymyxa Strains

    The plant growth promoting rhizobacterium Paenibacillus polymyxa can penetrate root tissues [17] and can colonize plant roots with the formation of biofilms [22]. This ability is of decisive importance for improving plant resistance to biotic and abiotic stresses [10, 23].

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  • (PDF) FTIR Spectroscopic Study of Biogenic Mn Oxide

    Mechanisms of adhesion of Paenibacillus polymyxa onto hematite, corundum and quartz. Int J Miner FTIR spectroscopy with several modes of sample introduc Process 622739. tion was useful for monitoring compositional changes of cells de Vrind JPM, Brouwers GJ, Corstjens PLAM, den Dulk J, de Vrind de Jong before, during and after biologically

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  • Paenibacillus polymyxa Invades Plant Roots and Forms Biofilms

    Mar 25, 20050183;32;Paenibacillus polymyxa is a plant growth promoting rhizobacterium with a broad host range, but so far the use of this organism as a biocontrol agent has not been very efficient. In previous work we showed that this bacterium protects Arabidopsis thaliana against pathogens and abiotic stress (S. Timmusk and E. G. H. Wagner, Mol.

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  • Effects of rhizobacteria Paenibacillus polymyxa APEC136

    The soil bacterium Paenibacillus polymyxa belongs to a group of plant growth promoting rhizobacteria (PGPR) and is used as a biocontrol agent for plant diseases (Dijksterhuis et al., 1999; Li et al., 2015).

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  • Adhesion of Paenibacillus polymyxa on chalcopyrite and

    The adhesion behaviour of Paenibacillus polymyxa bacteria on pyrite and chalcopyrite is examined by the surface thermodynamics and the extended DLVO theory approaches.

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  • Plant growthpromoting rhizobacteria, Paenibacillus

    Inhibitory effect of Paenibacillus polymyxa GBR508 on giant cell formation Through the embedding materials, rootgalls caused by M. incognita and F. oxysporum f. sp. lycopersici in untreated and treated with P. polymyxa GBR508 were observed after 7 weeks of inoculation.

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  • Degradation and Colonization of Cellulose by Diazotrophic

    Paenibacillus polymyxa is a spore forming, Gram positive, problem is important as that the mechanism of cellulose degradation whereas in the case of bacterial cells, adhesion and the colonization of cellulose are necessary for the synthesis of cellulases to be initiated, particularly in the initial stages of cellulolysis.

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  • (PDF) Biofilm Formation by Paenibacillus polymyxa Strains

    PDF We evaluated the ability of several strains of the rhizobacterium Paenibacillus polymyxa, differing in the yield and rheological properties of their exopolysaccharides, to form biofilms on

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  • Bioflotation of apatite and quartz Particle size effect

    FARAHAT, M., HIRAJIMA, T., SASAKI, K. Adhesion of Ferroplasma acidiphilhum onto pyrite calculated from the extended DLVO theory using the van Oss Good Chaudhury approach. Journal of colloids and interface science v. 29, p. 594 601, 2010.

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  • Bioflotation and bioflocculation review Microorganisms

    The adhesion Gibbs energy for a bacterium and a negatively charged polystyrene surface was estimated from adhesion isotherms and was found to be 2 3 kT per cell.

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  • Mechanisms of adhesion of Paenibacillus polymyxa onto

    From adhesion tests, it is also clear that the above bacteria adsorb preferentially on hematite and corundum than on quartz. It is obvious from the interaction energy calculations that the columbic forces playa major role in the interaction of P. polymyxa with hematite. corundum and qUartz.

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  • Bioflocculation of high ash Indian coals using

    The microorganism Paenibacillus polymyxa has been used for flocculation and flotation of various minerals including hematite (Deo and Natarajan, 1998), pyrite and chalcopyrite (Sharma et al., 2001). In this paper, an attempt has been made to study the adhesion of the bacteria P. polymyxa on to two types of coal and its consequent effect on

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  • Alteration of Zeta potential and membrane permeability in

    Nov 04, 20150183;32;In the present study, we have tried to establish the correlation between changes in Zeta potential with that of cell surface permeability using bacteria (Escherichia coli and Staphylococcus aureus).An effort has been made to establish Zeta potential as a possible marker for the assessment of membrane damage, with a scope for predicting alteration of cell viability.

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  • Mechanisms of adhesion of Paenibacillus polymyxa onto

    May 01, 20010183;32;Read quot;Mechanisms of adhesion of Paenibacillus polymyxa onto hematite, corundum and quartz, International Journal of Mineral Processingquot; on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

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  • Microbiology Lab Final Questions and Study Guide Quizlet

    The bacterial organism Staphylococcus epidermidis was streaked perpendicular to a streak of Paenibacillus polymyxa already growing on a plate. After incubation of the plate it was clear that the S. epidermidis cells were found growing all the way up to the streak of the P. polymyxa cells.

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  • Chronicle of a Soil Bacterium Paenibacillus polymyxa E681

    The Gram positive rhizosphere bacterium Paenibacillus polymyxa promotes plant growth and produces various antibiotics. Herein, we review research on this species over the past two and a half decades, and focus on the mechanisms of P. polymyxa strain E681, isolated from barley roots in the Republic of Korea in 1995. Strain E681 has outstanding growth promoting effects on barley, cucumber

    Live Chat
  • Colonization and Population Changes of a Biocontrol Agent

    was Paenibacillus polymyxa E681 (Ryu and Park, 1997) from the collection of the Laboratory of Soil Borne Diseases and Bio control of the Department of Agricultural Biology, Gyeongsang National University. P. polymyxa E681 is a promising plant growth promoting rhizobacterium (PGPR) and a spontaneous rifampicin mutant.

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  • Mechanisms of adhesion of Paenibacillus polymyxa onto

    Mechanisms of adhesion of Paenibacillus polymyxa onto hematite, Adhesion of bacteria onto solid surfaces is a necessary event in nature for the utilization of inorganic and organic values and for the enhanced growth of bacteria. Interactions between Paenibacillus polymyxa, with different minerals such as hematite, corundum and quartz are

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  • Paenibacillus polymyxa biofilm polysaccharides antagonise

    Paenibacillus polymyxa is known as an FHB biocontrol agent. It is generally recognised that surface associated bacteria colonise as biofilms, which are microniches entirely different from their

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  • use of microorganisms in mineral beneficiation

    Mechanisms of adhesion of Paenibacillus polymyxa , Mechanisms of adhesion of Paenibacillus polymyxa onto hematite, corundum , nism of application in mineral beneficiation , Adhesion of microorganisms to mineral .

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  • Bioflotation and bioflocculation review microorganisms

    AbstractIn a world of diminishing resources, current research efforts are often directed to extending the life of existing resources and developing technology to treat resources deemed uneconomic. To this end, biotechnology has been explored as a potential low cost, environmentally benign alternative to many of the current mineral processing techniques.

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  • Biofilm Formation by Paenibacillus polymyxa Strains

    The plant growth promoting rhizobacterium Paenibacillus polymyxa can penetrate root tissues [17] and can colonize plant roots with the formation of biofilms [22]. This ability is of decisive importance for improving plant resistance to biotic and abiotic stresses [10, 23].

    Live Chat