World Journal of Microbiology and Biotechnology

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Cadmium uptake by Spirulina maxima: toxicity and mechanism
World Journal of Microbiology and Biotechnology - Tập 14 - Trang 579-581 - 1998
A.C. Augusto da Costa, F.P. de França
Cadmium uptake by Spirulina maxima cells was more pronounced in living than in dead cells, with a maximum recovery of 47.63mg Cd/g cells for living cells and 37.00mg Cd/g cells for inactivated cells. When in the medium at 1.2mg/l, cadmium affected cell growth and diminished cell productivity. Cadmium was detected in the outer and inner faces of the external membrane, essentially in the lipid layer...... hiện toàn bộ
Decolourization of textile dye Reactive Violet 5 by a newly isolated bacterial consortium RVM 11.1
World Journal of Microbiology and Biotechnology - Tập 21 - Trang 667-672 - 2005
Safia Moosvi, Haresh Keharia, Datta Madamwar
Soil samples collected from contaminated sites of Vatva, Gujarat, India were studied for screening and isolation of organisms capable of decolourizing textile dyes. A bacterial consortium RVM 11.1 was selected on the basis of rapid dye decolourization. Reactive Violet 5 (RV 5) was used as model dye. The consortium exhibited 94% decolourization ability within 37 h under a wide pH range from 6.5 to ...... hiện toàn bộ
Effect of different carbon sources on membrane permeability, membrane fluidity, and fatty acid composition of a psychrotrophic Acinetobacter sp. HH1-1 during growth at low temperatures and after cold shock
World Journal of Microbiology and Biotechnology - Tập 15 - Trang 683-692 - 1999
S.E. Barbaro, J.T. Trevors, W.E. Inniss
The effect of different carbon sources on the ability of a psychrotrophic Acinetobacter sp., strain HH1-1, to grow at low temperatures and respond to cold shock was investigated by monitoring cell membrane permeability, membrane fluidity and fatty acid composition. Cells were grown in batch cultures with acetate, Tween 80 or olive oil as the sole source of carbon and incubated at 25, 5 °C or subje...... hiện toàn bộ
Characterization of a secreted cholesterol oxidase from Rhodococcus sp.GKI (CIP 105335)
World Journal of Microbiology and Biotechnology - Tập 15 - Trang 579-585 - 1999
A. Elalami, J. Kreit, A. Filali-Maltouf, J. Boudrant, P. Germain
Extracellular cholesterol oxidase (COX) (EC 1.1.3.6) was produced by Rhodococcus sp. GK1 cells grown in a defined mineral salt medium containing a mixture of phytosterols (sitosterol, campesterol, stigmasterol) as the sole source of carbon and energy. In the same time, the sterols acted as enzyme inducers. The medium was enriched with yeast extract in order to stimulate enzyme secretion. COX was p...... hiện toàn bộ
Antibacterial activity of Bacillus licheniformis B6 against viability and biofilm formation of foodborne pathogens of health importance
World Journal of Microbiology and Biotechnology - Tập 38 - Trang 1-13 - 2022
Pablo R. Díaz, María J. Torres, Gabriela Petroselli, Rosa Erra-Balsells, Marcela Carina Audisio
We studied a strain of Bacillus isolated from an artisanal tannery in Salta, Argentina. It was identified as Bacillus licheniformis B6 by 16 S phylogenetic analysis and MALDI TOF (GenBank accession code No. KP776730). The synthesis of lipopeptides by B6 and their antibacterial activity against clinical pathogenic strains was analyzed both in the cell-free supernatant (CFS) and in the crude fractio...... hiện toàn bộ
Biodegradation of aliphatic hydrocarbon by indigenous fungi isolated from used motor oil contaminated sites
World Journal of Microbiology and Biotechnology - Tập 24 Số 12 - Trang 2789-2797 - 2008
Ahmad Husaini, Hairul Azman Roslan, Kieng Soon Hii, Chung Huap Ang
Biologically active microbial compounds as useful agents in agriculture
World Journal of Microbiology and Biotechnology - Tập 8 - Trang 111-114 - 1992
D. Gröger
Antioxidative properties and inhibitory effect of Bifidobacterium adolescentis on melanogenesis
World Journal of Microbiology and Biotechnology - Tập 28 - Trang 2903-2912 - 2012
Huey-Chun Huang, Tsong-Min Chang
Melanin is a dark pigment produced by melanocytes. Tyrosinase is a key enzyme which catalyzes the rate-limiting step of melanogenesis. However, accumulation of melanin leads to various skin hyperpigmentation disorders. To find a novel skin-whitening agent, the antioxidant capacity of Bifidobacterium adolescentis culture filtrate and inhibitory effect on melanogenesis were investigated. The antioxi...... hiện toàn bộ
Towards industrial biological hydrogen production: a review
World Journal of Microbiology and Biotechnology - Tập 40 - Trang 1-37 - 2023
G. M. Teke, B Anye Cho, C. E. Bosman, Z. Mapholi, D. Zhang, R. W. M. Pott
Increased production of renewable energy sources is becoming increasingly needed. Amidst other strategies, one promising technology that could help achieve this goal is biological hydrogen production. This technology uses micro-organisms to convert organic matter into hydrogen gas, a clean and versatile fuel that can be used in a wide range of applications. While biohydrogen production is in its e...... hiện toàn bộ
A novel enterocin T1 with anti-Pseudomonas activity produced by Enterococcus faecium T1 from Chinese Tibet cheese
World Journal of Microbiology and Biotechnology - Tập 32 - Trang 1-9 - 2016
Hui Liu, Lanwei Zhang, Huaxi Yi, Xue Han, Wei Gao, Chunliang Chi, Wei Song, Haiying Li, Chunguang Liu
An enterocin-producing Enterococcus faecium T1 was isolated from Chinese Tibet cheese. The enterocin was purified by SP-Sepharose and reversed phase HPLC. It was identified as unique from other reported bacteriocins based on molecular weight (4629 Da) and amino acid compositions; therefore it was subsequently named enterocin T1. Enterocin T1 was stable at 80–100 °C and over a wide pH range, pH 3.0...... hiện toàn bộ
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