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Showing 1 to 20 of 31 for “"Bacillus licheniformis"”.
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Investigation of quorum sensing process in Bacillus licheniformis
… engaged in the control of these processes. B. licheniformis NCIMB 8874 is a bacterium with industrial relevance for the production of the antimicrobial agent bacitracin. This organism is genetically related to Bacillus subtilis, whose quorum sensing is regulated by the comQXPA operon. This …
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Physiological response of bacillus licheniformis NCIMB 8874to oligosaccharide elicitors
… overproduction of secondary metabolites in Bacillus licheniformis was investigated. Mannan oligosaccharides (MO) derived from locust bean gum, and oligoguluronate (OG) and oligomannuronate (OM) from alginate were used in this study. The effect of lower (50 - 25 mg L-1) and higher (500 – 1000 …
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Purification and Characterization of Alkaline Phosphatase of Bacillus Licheniformis
Made available in DSpace on 2014-12-09T22:04:19Z (GMT). No. of bitstreams: 1 6915288.pdf: 5419845 bytes, checksum: 3ab5e3b9047515a55007724d136c42c8 (MD5) Previous issue date: 1969
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Physiologische Untersuchungen zur Regulation des Aminosäure-Stoffwechsels von Bacillus licheniformis DSM13
… zu anderen Vertretern seiner Gattung ist Bacillus licheniformis fähig durch reine Fermentation zu wachsen. Unter Verwendung eines definierten Mediums konnte im Rahmen dieser Arbeit gezeigt werden, dass B. licheniformis DSM13 unter anaeroben Kultivierungsbedingungen neben Glucose auch …
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Investigation of a quorum sensing peptide in bacillus licheniformis and its novel antifungal property
… of plants. Several bacterial species such as Bacillus spp. have shown the ability to inhibit fungal growth. During the screening of antagonistic bacteria against Aspergillus flavus (A. flavus), Bacillus subtilis (B. subtilis) was identified as having high antifungal activity. The bacterium, …
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Genom- und Transkriptionsanalyse von <i>Bacillus licheniformis</i> DSM13 - einem Organismus mit großem industriellem Potential
Bacillus licheniformis ist ein Gram-positiver Organismus von großem industriellem Interesse, welcher in der technischen Fermentation zur Produktion großer Mengen Exoenzyme, wie Proteasen oder Amylasen, eingesetzt wird. Um Engpässe bei diesen auf B. licheniformis basierenden Bioprozessen zu …
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Relative Expression of Germination Genes SleB, GerAC, and Gpr in Heat Treated Bacillus licheniformis and Bacillus subtilis
<p>Endospore-forming bacteria of the genus <em>Bacillus</em> are of significant importance to the food industry. Species from this genus exhibit the ability to form metabolically dormant endospores characterized by resistance to heat, UV, and chemical treatment. Spores have undetectable metabolic …
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Influence of Bacterial Fermentation on Soybean Meal Nutritional Value and Early Weaned Pig Growth Performance
… has previously isolated a thermophilic strain of Bacillus licheniformis (B4) that displays high enzymatic activity and probiotic potential. The aims of this study were to evaluate B4’s ability to reduce ANFs in a lab-scale SBM fermentation and to assess B4 fermented SBM’s (B4-FSBM) influence on …
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Discovery and Characterization of an Antibiotic from the Soil Bacterium <em>Bacillus</em> sp.
… antibiotic producers. BTHX2, a species of <em>Bacillus</em> was found to have activity against <em>Micrococcus luteus</em> and <em>Rhodococcus erythropolis</em>. BTHX2 has a 16S rDNA sequence 97% homologous to <em>Bacillus licheniformis</em>, and may be a new strain of <em>B. …
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Evaluation of Different Probiotic Strains Supplemented in Commercial Broiler Rations and their Influences on Performance, Yield, and Intestinal Microbiota.
… objective of this study was to evaluate <em>Bacillus megaterium</em>, <em>Bacillus licheniformis</em>, and <em>Bacillus subtilis</em>, as probiotic strains compared to Bacitracin Methylene Disalicylate (BMD) 50 as the antibiotic growth promotor, supplemented in commercial broiler rations and …
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Bioremediation of hexavalent chromium using gram-negative bacteria.
… The contaminant bacterium was identified as Bacillus licheniformis (100%) using PCR and 16S rRNA sequencing. The mixed culture that contains M. capsulatus (Bath) plus Bacillus licheniformis was also tested for Cr (VI) mitigation.The results of this work are a step forward in understanding the …
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Optimisation of the preservation of microbial cell banks for enhanced fermentation process performance
… optimisation of the cryopreservation of Bacillus licheniformis cell banks, used as inoculum for α-amylase producing 5 L batch fermentations. The effect of the presence of various cryopreservants including glycerol, Tween 80 and dimethyl sulphoxide on final fermentation performance …
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Stammdesign in B. licheniformis
Bacillus licheniformis ist ein Organismus von großem wissenschaftlichem und industriellem Interesse. Aufgrund seiner niedrigen natürlichen Kompetenzraten weist B. licheniformis DSM13 eine schlechte genetische Zugänglichkeit auf. Deswegen müssen bei diesem Organismus andere Transformationstechniken …
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Seed bacterization with plant growth-promoting endophytes: Impact on Okra productivity, nutraceuticals and antimicrobial properties
… three PGPEB strains, Kosakonia cowanii (KC), Bacillus licheniformis (BL), and Cupriavidus metallidurans (CM), previously isolated from Myrothamnus flabellifolius, on the productivity, nutraceutical accumulation, and antimicrobial activity of okra (Abelmoschus esculentus L. Moench) under …
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Metal-Binding Properties of Bacitracin A
… is a cyclic dodecapeptide antibiotic produced by Bacillus licheniformis. Bacteriocidal activity requires the presence of divalent metal cations such as Zn('2+). The metal-bacitracin A complex binds to bactoprenylpyrophosphate, a lipid intermediate required for cell wall biosynthesis which is found …
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Biochemical Studies on Enzymatic Treatment of Pulp and Paper Mill Biosludge and Polymeric Lignin
… Biosludge pretreatment with two proteases (from Bacillus licheniformis and Aspergillus oryzae) and two glycosidases (the SCO6604 glycosidase from Streptomyces coelicolor and lysozyme from chicken egg white) improved the anaerobic digestibility of pulp and paper mill biosludge, resulting in …
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Isolation and taxonomic analysis of Bacillus species in Anthrax negative cases at Central Veterinary Laboratory, Namibia
… emergence of anthrax-like infections caused by Bacillus spp. other than Bacillus anthracis is quickly becoming a topical issue. This brought more concern to the scientific community, guardians of public health, and veterinarians around the world. Some bacillus species that cause anthrax-like …
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Effect of Ultrasonication on Biofilm Forming Ability of Common Dairy Sporeformers
… is affected by these sporeformers such as Bacillus species, which are a significant cause of spoilage of dairy products. Thermal processes such as pasteurization have been used to inactivate pathogens, but some of the sporeformers and their endospores are resistant to such heat treatments. …
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Inactivation of Thermodynamic Sporeformers and Spores in Skim Milk by Continuous Ultrasonication and Hydrodynamic Cavitation in Combination with Thermal Treatments
… ultrasonication process to reduce thermoduric Bacillus coagulans cells in skim milk. A 25% reduction was obtained by lab pasteurization alone, whereas ultrasonication alone resulted in an inactivation of 92% after 12 passes (80 sec exposure time per pass). Ultrasonication when combined with …
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