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112 articles for “Bacillus subtilis-2162”
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UV Induced Increase in Activity of Subtilisin from Bacillus subtilis MTCC441
Abstract: Microorganisms are constantly exposed to varying physical, chemical and biological conditions which induce morphological, biochemical and genetic changes in them. These changes may be deleterious to some organisms whereas others develop mechanisms to overcome such stresses. This study was conducted to understand the microbiological and biochemical changes in bacteria under conditions of UV stress. Bacillus subtilis MTCC441, a ubiquitous, spore forming bacterium was chosen as the model organism for this …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 4, Issue 1, 2014 · pp. 22–27 Read article
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Production and optimization of amylase enzyme using bacillus subtilis under solid state fermentation and its characterization
Abstract: This study employed solid state fermentation to maximize amylase production by Bacillus subtilis (OR578403). The research began by discovering and analyzing amylase-producing bacteria in soil samples followed with biochemical, molecular characterization. By using commercially available substrates like wheat bran, rice bran, and wheat rava were obtained from the local market and employed as solid substrates, which may influence amylase production and to be assessed. The identified organism was Bacillus subtilis, …
Published in International Journal of Biochemistry and Biomolecule Research · Vol. 4, Issue 1, 2026 · pp. 37–52 Read article
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Characterization of Plant Growth Promoting Bacillus subtilis (VBKT5) Isolated from Vermicompost
Abstract: Vermicompost is a rich source of nutrients and beneficial soil bacteria which can promote plant growth in various ways. Ten prevalent bacterial strains were isolated from the cow dung vermicompost and assessed for growth promotion of paddy. Bacterial suspensions (3X108 CFU/ml) were individually applied to the pots planted with paddy variety and vegetative growth parameters and yield were recorded. Among the bacterial treatments, better shoot length, root length and yield …
Published in Research and Reviews : A Journal of Life Sciences · pp. 12–21 Read article
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Production of Bioflocculants from Bacillus subtilis-2162 and Determination of Its Flocculating Activity on Heavy Metal Chromium
Abstract: The bioflocculant production potential of Bacillus subtilis-2162 was evaluated using standard methods. The bacteria produced an extracellular bioflocculant. Culture conditions for optimal production of the bioflocculants include: glucose and sucrose as carbon sources; multiple + 2 nitrogen sources including: ammonium sulfate and yeast extract; Ca+2 as sole cation source; and initial medium of pH 7. Characterization of the pure bioflocculants revealed that it is thermostable. Hydroxyl, carboxyl and amino groups …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 3, Issue 3, 2013 · pp. 12–18 Read article
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Comparative Study on the Compressive Strength of Bacterial Concrete using Spirulina and Bacillus Subtilis
Abstract: The bacterial concrete has remarkable advantages over ordinary concrete in self-repairing itself when cracked, and it proves to be an environmentally safe building material to be used. The objective of the present study is to investigate the feasibility of using Spirulina in bacterial concrete. A comparative study on the compressive strength of M30 grade of concrete using Spirulina and Bacillus Subtilis (B.Subtilis) were carried out. Volume of Spirulina and B.Subtilis …
Published in Recent Trends in Civil Engineering & Technology · Vol. 8, Issue 2, 2018 · pp. 18–22 Read article
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Facile Synthesis of Highly Uniform Selenium Nanoparticles with Antibacterial Activity on Bacillus subtilis
Abstract: In the light of diverse applications of Selenium nanoparticles in biomedical applications, a facile procedure has been developed to synthesize highly stable and monodisperse nanoparticles with Polysorbate 20 at room temperature. Transmission electron microscopy analysis revealed that the Selenium nanoparticles (Se NPs) were spherical in shape with uniform size of 43 nm. The antibacterial activity of Se NPs was investigated against Bacillus subtilis as a model gram-positive bacteria which showed …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 10, Issue 2, 2020 · pp. 26–31 Read article
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Comparison of the Keratinase Gene Sequences of Fast, Slow and Intermediate Feather Degrading Strains of Bacillus licheniformis
Abstract: Feathers are composed of beta keratin which is an insoluble protein resistant to degradation. Bacillus licheniformis has a gene that codes for a keratinase enzyme that hydrolyzes feathers. The DNA sequences of the genes coding for keratinase enzymes of various strains of B. licheniformis were compared. Some strains of the bacteria hydrolyze feathers rapidly, some slowly, and some at an intermediate rate. The mature keratinase enzyme is composed of 274 …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 5, Issue 3, 2015 · pp. 1–9 Read article
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Determination of antimicrobial potential of Bacillus clausii against Candida albicans
Abstract: Bacillus clausii is a universally occurring beneficial bacteria.It is gram-positive, spore forming, lactic acid producing probiotic. Bacillus clausii are support the growth of friendly bacteria and help maintain a healthy balance of microflora in the intestinal environment. A study was carried out on inhibitory effects of Bacillus clausii on growth of some pathogens isolated from clinical specimens of pathogens selected for this study were Candida albicans isolated from blood and …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 10, Issue 1, 2020 · pp. 1–4 Read article
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Taxonomic Assessment of Thermostable Amylase Producer from the Unkeshwar Hot Spring, Nanded
Abstract: Total 42 thermophiles were isolated from the Unkeshwar hot spring of Maharashtra, India. Of these 23 thermostable amylase producers were identified as Bacillus alvei APP1, Bacillus brevis APP2, Bacillus sterothermophilus APP3, Bacillus subtilis APP4, Bacillus farraginis APP5, Bacillus firmus APP6, Bacillus licheniformis APP7, Bacillus megaterium APP8, Lysinibacillus sphaericus APP10, Paenibacillus alvei APP11, Bacillus simplex APP12, Staphylococcus cohnii APP15, Streptococcus thermophilus APP16, Bacillus cereus APP18, Bacillus atrophaeus APP19, Bacillus lentus APP24, …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 9, Issue 1, 2019 · pp. 113–126 Read article
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In-vitro assessment of plant growth promoting traits integrated with antagonistic activity of biosurfactant producing Bacillus species of oil contaminated soil
Abstract: Researchers are in search of microbial tools having plant growth promoting activity integrated to biosurfactant production potential to develop eco-friendly technique for sustainable agricultural. Presented study was undertaken to characterize the plant growth promoting activity of biosurfactant producing Bacillus species isolated from oil contaminated soil. Bacterial strains were identified as Bacillus licheniformis P1 and Bacillus velezensis P2, on the basis of morphological, biochemical and 16SrDNA gene sequence homology. Biosurfactant producing …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 12, Issue 3, 2022 · pp. 30–34 Read article
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Experimental Evaluation of Strength in Bacterial Concrete Mixtures
Abstract: The incorporation of bacteria into concrete, through the process of Microbiologically Induced Calcite Precipitation (MICP), offers a promising approach to enhancing the mechanical properties and durability of concrete. This research explores the effect of bacterial addition on the compressive strength, split tensile strength, flexural strength, and workability of concrete. Specifically, three bacterial strains—Bacillus megaterium, Bacillus subtilis, and Pseudomonas aeruginosa—were used in varying concentrations (10⁴, 10⁵, and 10⁶ cells/ml) and incorporated …
Published in Journal of Construction Engineering, Technology & Management · Vol. 14, Issue 3, 2024 · pp. 61–69 Read article
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Isolation, Characterization and Molecular Identification of Potential Probiotic Bacterium, Bacillus amyloliquefaciens CS4 from gut of Snakehead Fish, Channa striata (Bloch, 1793)
Abstract: The present study was to isolate and characterize the potential probiotic bacterium from the gutof healthy fish, Channa striata. Totally, 37 bacteria were isolated from the gut region, in whichonly 25 isolates that showed catalase negative were selected. Among the selected isolates, CS4exhibited maximum inhibitory activity against fish (Aeromonas hydrophila, Vibrio harveyi,Vibrio parahaemolyticus) and human (Serratia marcescens) pathogenic bacteria. Theisolate CS4 exhibited potential tolerance to 0.5% bile salts at 24 …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 9, Issue 2, 2019 · pp. 1–10 Read article
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Isolation and Identification of Novel Bacillus tequilensis TB5 from Vegetable Waste and Analyze the Effect of Rudiment Compounds on Bio-Catalytic α-Amylase Production
Abstract: AbstractAmylase is one of the basic components for leather, baking, textiles and paper industries. It hydrolyzes starch into simple productive sugar which reduces the cost of the final desired product. In this work, amylase producing novel Bacillus tequilensis TB5 was isolated from vegetable waste and different chemical compounds were added at different concentration in production medium to analyze its effect on amylase enzyme production. We observed that addition of weight/volume …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 9, Issue 2, 2019 · pp. 39–50 Read article
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Bacillus amyloliquefaciens: A Review
Abstract: Bacillus amyloliquefaciens is one of the many Bacillus species which is used as a probiotic, exerting health benefits to the host. B. amyloliquefaciens is a gram-positive, rod shaped bacteria with peritrichous flagella. The species also produces enzymes viz. cellulases, amylases, and proteases, which aid in digestion. The species is principally utilized as a feed additive substance for domestic animals and birds. It is gaining importance as plant growth promoter rhizobacteria …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 11, Issue 1, 2021 · pp. 9–17 Read article
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Isolation and Characterization of Protease Producing Organism Bacillus Species from Slaughter House Waste
Abstract: The purpose of this investigation was to isolate protease producing bacteria from slaughter house waste collected in local area of Kaliakkavilai. The Bacillus sp. was identified by several biochemical and physiological tests. The effect of different production parameters such as pH, temperature, metal ions concentration and substrate concentration for protease production by the isolated bacterial strain were studied. The enzyme production was assayed in submerged fermentation with optimized parameters to …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 3, Issue 3, 2013 · pp. 8–14 Read article
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Studies on the Insecticidal Activity of Bacillus thuringiensis against Lepidoptera
Abstract: To screen soil isolates of Bacillus thuringiensis from western Ghats for the presence of Cry1A and Cry2A gene using PCR and, the activities of the isolates on Lepidoptera group of insects. For the characterization of the genes the gene are isolated and cloned in to E. coli, its nucleotide sequence is analyzed .Thus in the result, the insecticidal activity of Bacillus thuringiensis with the combinations of cry1A and cry2A genes …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 1, Issue 1, 2011 · pp. 1–5 Read article
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Antibacterial Action of Bacillus coagulans Against Diverse Pathogens and its Relevance as Probiotics
Abstract: Probiotics are living organisms that give benefits to the host organism by improving the intestinal microbial balance. Probiotics have various beneficial effects as it maintains a healthy gut, healthy vaginal flora and boost the immune system. There are different strains of lactic acid bacteria that are used as probiotics but Bacillus coagulans is a good bacterium that is used in the form of probiotic supplements. In the present study, B. …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 13, Issue 2, 2023 · pp. 21–25 Read article
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Production of Poly Hydroxybutyrate from Bacillus megaterium and its Conjugation with Nanoparticles to Determine the Antibacterial Activity
Abstract: Plastics have become an important part of modern life and are used in different sectors of operations like packaging, building materials, consumer products etc. Presently plastics and synthetic polymers are mainly produced by using the petrochemical material that cannot be decomposed easily. Thus they contribute to the environmental pollution. The increased cost of solid waste disposal as well as the potential hazards from incineration of wastes makes synthetic plastic waste …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 1, Issue 1, 2011 · pp. 126–132 Read article
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Screening of the Nutrient Parameters for Protease Production by Bacillus cereus Using Plackett-Burman Design under Submerged Fermentation
Abstract: Plackett-Burman experimental design was used to screen important nutrient parameters influencing the production of protease by Bacillus cereus, which was isolated from fish waste soil. The Plackett-Burman design is orthogonal in nature and it is a set of small and efficient experiments, which are very powerful in biotechnology research and development. Screening of 11 factors was done in 12 experiments. The 11 factors included one process parameter (initial pH of …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 2, Issue 2, 2012 · pp. 26–31 Read article
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Enhancement of Quercetin from Peel of Cucurbita by using Bacillus cereus Species through Fermentation Process
Abstract: Cucurbita (Pumpkin) is one of the nutritious vegetables and belongs to Cucurbitaceae family. It contains high percentage of quercetin flavonoids. In this research, enhancement of quercetin from peel of Cucurbita has been done by using Bacillus cereus species through fermentation process. The quercetin production was found to show best results from fermentation process than extraction process due to biotransformation. In this research, the highest production of quercetin was found to …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 9, Issue 3, 2019 · pp. 6–8 Read article