Letteratura scientifica selezionata sul tema "Malleobactin"
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Articoli di riviste sul tema "Malleobactin":
Alice, Alejandro F., Claudia S. López, Carolyn A. Lowe, Maria A. Ledesma e Jorge H. Crosa. "Genetic and Transcriptional Analysis of the Siderophore Malleobactin Biosynthesis and Transport Genes in the Human Pathogen Burkholderia pseudomallei K96243". Journal of Bacteriology 188, n. 4 (15 febbraio 2006): 1551–66. http://dx.doi.org/10.1128/jb.188.4.1551-1566.2006.
Yang, H., C. D. Kooi e P. A. Sokol. "Ability of Pseudomonas pseudomallei malleobactin to acquire transferrin-bound, lactoferrin-bound, and cell-derived iron." Infection and Immunity 61, n. 2 (1993): 656–62. http://dx.doi.org/10.1128/iai.61.2.656-662.1993.
Franke, Jakob, Keishi Ishida e Christian Hertweck. "Plasticity of the Malleobactin Pathway and Its Impact on Siderophore Action in Human Pathogenic Bacteria". Chemistry - A European Journal 21, n. 22 (14 aprile 2015): 8010–14. http://dx.doi.org/10.1002/chem.201500757.
Franke, Jakob, Keishi Ishida, Mie Ishida-Ito e Christian Hertweck. "Nitro versus Hydroxamate in Siderophores of Pathogenic Bacteria: Effect of Missing Hydroxylamine Protection in Malleobactin Biosynthesis". Angewandte Chemie 125, n. 32 (2 luglio 2013): 8429–33. http://dx.doi.org/10.1002/ange.201303196.
Franke, Jakob, Keishi Ishida, Mie Ishida-Ito e Christian Hertweck. "Nitro versus Hydroxamate in Siderophores of Pathogenic Bacteria: Effect of Missing Hydroxylamine Protection in Malleobactin Biosynthesis". Angewandte Chemie International Edition 52, n. 32 (2 luglio 2013): 8271–75. http://dx.doi.org/10.1002/anie.201303196.
Paauw, Armand, Holger C. Scholz, Roos H. Mars-Groenendijk, Lennard J. M. Dekker, Theo M. Luider e Hans C. van Leeuwen. "Expression of virulence and antimicrobial related proteins in Burkholderia mallei and Burkholderia pseudomallei". PLOS Neglected Tropical Diseases 17, n. 1 (6 gennaio 2023): e0011006. http://dx.doi.org/10.1371/journal.pntd.0011006.
Picard, Laura, Cédric Paris, Tiphaine Dhalleine, Emmanuelle Morin, Philippe Oger, Marie‐Pierre Turpault e Stéphane Uroz. "The mineral weathering ability of Collimonas pratensis PMB3(1) involves a Malleobactin‐mediated iron acquisition system". Environmental Microbiology, 21 aprile 2021. http://dx.doi.org/10.1111/1462-2920.15508.
Golaz, Daphné, Chad K. Papenfuhs, Paula Bellés-Sancho, Leo Eberl, Marcel Egli e Gabriella Pessi. "RNA-seq analysis in simulated microgravity unveils down-regulation of the beta-rhizobial siderophore phymabactin". npj Microgravity 10, n. 1 (3 aprile 2024). http://dx.doi.org/10.1038/s41526-024-00391-7.
Qin, Tian, Yi-min Pan, Qiao-qiao Ren, Yu-qi Liu, Ling-yun Chen e Guo-xia Zhang. "Roseicella aerolata sp. nov., isolated from bioaerosols of electronic waste". International Journal of Systematic and Evolutionary Microbiology 72, n. 11 (23 novembre 2022). http://dx.doi.org/10.1099/ijsem.0.005602.
Tesi sul tema "Malleobactin":
Picard, Laura. "Génomique de l'altération des minéraux par la souche bactérienne Collimonas pratensis PMB3(1)". Electronic Thesis or Diss., Université de Lorraine, 2021. http://www.theses.fr/2021LORR0258.
In temperate regions, minerals and rocks represent one of the main sources of nutritive cations in the soil of low-input ecosystems such as forests. In such nutrient-poor and non-amended environments, the access and the recycling of nutritive cations are key processes for tree growth and productivity. However, these nutritive cations are almost inaccessible to the tree roots as they are entrapped into organic matter or into soil minerals and rocks. Consequently, the mineral weathering process is essential, as it allows the restauration of soil fertility and provides the inorganic nutrients for tree growth. Mineral weathering can be attributed to abiotic (temperature, pH, erosion…) or biotic (plants, fungi, bacteria…) processes. Among the biotic processes, bacteria are able to weather minerals by different mechanisms such as the production of protons (acidolysis) or the production of chelating molecules (complexolysis). However, genes and proteins involved in mineral weathering by bacteria are not yet elucidated. As part of this thesis, a bacterial Collimonas pratensis strain PMB3(1) was used as a model to identify genes involved in mineral weathering. This strain was isolated from oak mycorrhizosphere and is efficient in weathering minerals. In this thesis, the analysis of the genome of the strain PMB3(1) evidenced the absence of certain genes described in mineral weathering (such as PQQ-dependent glucose dehydrogenases) and highlighted the need to develop two complementary approaches: with and without a priori. (i) The without a priori approach, has been developed with the building of a mutant library with the insertion of a plasposon pOT-182. The screening of this mutant library on biotests miming mineral weathering allowed the selection of three mutants impacted in their mineral weathering ability. The characterisation of these mutants revealed mutations in different genes involved in a glucose/methanol/choline oxidoreductase (GMC) synthesis. Comparisons between wild type and mutants chemical compounds in the culture supernatants showed that this GMC was able to converts glucose to gluconate and produce protons, leading to the acidification of the medium and minerals acidolysis. (ii) The with a priori approach was the building of a mbaA mutant coding for a NRPS (non-ribosomal peptide synthetase) responsible of siderophore biosynthesis. The combined use of chromatography (HPLC) and mass spectrometry (LC-ESI-MS and MS/MS) methods allowed to chemically characterize the siderophore as malleobactin X. Comparisons between wild ype and mbaA mutant strains revealed that the production of malleobactin was involved in mineral weathering by complexolysis in a strong buffered medium. Weathering tests performed with different mineral types in presence of two carbon sources (glucose or mannitol) and two media with different buffering capacities showed that the strain PMB3(1) was efficient to weather all tested minerals and that weathering molecules (GMC and malleobactin) had a similar effect whatever the mineral type. Furthermore, the carbon source and the buffering capacity had a strong influence on weathering molecules efficiency. Finally, preliminary results have been obtained on the regulation of genes and proteins according to inorganic nutrients availability and the presence of minerals by transcriptomic and proteomic technics. To conclude, this thesis (i) allowed the discovery of new genes involved in mineral weathering by bacteria, (ii) evidenced the influence of environmental factors in efficiency of molecular mechanisms involved in mineral weathering and used by bacteria