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109 articles for “Bacillus sp.”
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Research ArticleOpen accessEvery word in the titleCharacterization of Pullulanase Type II from Bacillus cereus H1.5Hii Siew Ling, Tau Chuan Ling, Rosfarizan Mohamad, Arbakariya B. AriffProblem statement: Pullulanase is one of the important enzymes in starch industry. Search for the pullulanase with distinct features, possibly from easily grown bacterium, is of interest for industrial applications Approach: The extracellular pullulanase produced by Bacillus cereus HI.5 was purified by chromatographic method of DEAE-Sepharose, followed by Superdex gel filtration. The enzyme was characterized in terms of the optimal … …American Journal of Biochemistry and Biotechnology, Vol. 5, Issue 4 · 31 Dec 2009 · 8,808 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleCharacteristics of a Novel Highly Thermostable and Extremely Thermophilic Alkalitolerant Amylase from Hyperthermophilic Bacillus Strain HUTBS71Farouk Al-Quadan, Hazem Akel, Rasha NatshiProblem statement: This study reported the purification and characterization of a novel highly thermostable alkaline amylase from a newly isolated Bacillus strain HUTBS71. Approach: The enzyme was purified using ammonium sulfate precipitation, ion exchange and gel filtration chromatography. Results: Maximum amylase activity (72 U mL-1) was obtained at 100°C after 10 min of incubation. The enzyme was purified 24 fold … …OnLine Journal of Biological Sciences, Vol. 9, Issue 3 · 30 Sep 2009 · 7,400 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA Thermostable α-Amylase Producing Natural Variant of Bacillus spp. Isolated From Soil in IranIraj Rasooli, Shakiba D. A. Astaneh, Hojjat Borna, Kamal A. BarchiniThermophilic processes appear more stable, rapid and less expensive and facilitate reactant activity and product recovery. Amylases have a quarter of the world enzyme market and thermostable a-amylases possess extensive commercial applications. Since little work has been done on strain isolation, growth and enzyme yield optimization, the level of thermophilic enzyme production remains relatively low. Therefore, large scale exploitation of … …American Journal of Agricultural and Biological Sciences, Vol. 3, Issue 3 · 30 Sep 2008 · 8,902 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleStudies On Bioemulsifier Production by Bacillus licheniformis PTCC 1595Gholamreza D. Noudeh, Mohammad H. Moshafi, Payam Khazaeli, Farideh AkefSurfactants are amphipathic molecules which reduce surface and interfacial tensions and widely used in pharmaceutical, cosmetic, food and petroleum industries. Biosurfactants are the structurally diverse group of surface-active molecules synthesized by microorganisms. There are several advantages for biosurfactants in contrast with chemical surfactants, such as lower toxicity; higher biodegradability; better environmental compatibility; higher foaming; high selectivity and specific activity at … …American Journal of Pharmacology and Toxicology, Vol. 2, Issue 4 · 31 Dec 2007 · 7,282 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffects of Bacillus subtilis 'PB6' (ATCC - PTA 6737) on Clostridium difficile Associated Diarrhea (CDAD) and Inflammatory Bowel Disease (IBD) in Animal ModelsEric Peys, Jerry Varghese, Ponusami Suresh et al.The administration of probiotic bacteria is emerging as a potential means of preventing the onset or recurrence of Clostridium difficile associated diarrhea (CDAD) and of attenuating inflammatory activity and preventing relapses in inflammatory bowel disease (IBD). We evaluated the efficacy of Bacillus subtilis 'PB6' (ATCC - PTA 6737) in a hamster model of antibiotic-induced CDAD and in a rat model … …American Journal of Infectious Diseases, Vol. 3, Issue 4 · 31 Dec 2007 · 7,097 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleControl of Anthracnose Caused by Colletotrichum musae on Curcuma alismatifolia Gagnep. Using Antagonistic Bacillus spp.Supuk Mahadtanapuk, Mondhon Sanguansermsri, Robert W. Cutler et al.Over 400 bacterial strains, isolated from leaf surfaces of Curcuma alismatifolia Gagnep. and hot springs in the Chiang Mai province of northern Thailand, were screened in vitro for antagonistic activity against Colletotrichum musae, an anthracnose fungus. Three isolates provided greater than 75% growth inhibition of the fungus in vitro and were identified as Bacillus licheniformis, B. amyloliquefaciens and B. subtilis. … …American Journal of Agricultural and Biological Sciences, Vol. 2, Issue 2 · 30 Jun 2007 · 9,005 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleThe Characterization of Bacillus thuringiensis from soil habitat of Auky Island, Padaido District in Biak Numfor Regency and Its Toxicity against Mosquito Larva of Anopheles spLantang Daniel, Rampa Ester, Lunga NellyBacillus thuringiensis (Bt) is bacteria that produce protein crystals as an insecticidal against various vector diseases in plants and animals including humans. The purpose of this research is to discover the local isolate toxicity of B. thuringiensis from Auky Island Padaido District in Biak Numfor Regency against mosquito larva Anopheles sp., as well as to discover the local isolate of … …American Journal of Infectious Diseases, Vol. 14, Issue 2 · 4 Sep 2018 · 9,147 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleCharacteristics of Feather Protein Concentrates Hydrolyzed Using Bacillus subtilis FNCC 0059Muhammad Irfan Said, Effendi Abustam, Farida Nur Yuliati, Muhammad Zain MideFermentation technology is one technology that can be applied in the process of hydrolysis and decomposition of keratin protein in chicken feather waste. The fermentation technology can use microbial bacteria as a decomposer to improve the digestibility of the Feather Waste (FW). The purpose of this study was to evaluate the properties of chicken feather waste and Feather Protein Concentrate … …OnLine Journal of Biological Sciences, Vol. 18, Issue 2 · 5 Jan 2018 · 7,277 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleHeterologous Expression and Characterization of Thermostable Levansucrase (BsSacB) from Bacillus subtilis BB03Viniti Vaidya, Gajjeraman Prabu, D. Theertha PrasadThermostable levansucrase encoding gene (sacB) with its promoter was isolated from Bacillus subtilis BB03. BsSacB is composed of 1419 bp, encoding 473 amino acid residues and with promoter regions TTGCAA (-35) and TAGAAT (-10). The amino acid sequence analysis of BsSacB showed conserved motifs of microbial fructosyltransferase belonging to Glycoside Hydrolase family 68 (GH68). Comparative analysis of the protein structure … …OnLine Journal of Biological Sciences, Vol. 15, Issue 1 · 25 Mar 2015 · 7,371 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA Study on Bioelectricity Production by the Synergistic Action of Bacillus tequilensis DMR-5 and Pseudomonas aeruginosa DMR-3 Isolated from Rumen FluidJothinathan Deepika, Sundaram Meignanalakshmi, Wilson Richard ThilagarajThe present study focuses on the bioelectricity production from pure culture of Bacillus tequilensis DMR-5 and Pseudomonas aeruginosa DMR-3. Both the cultures were isolated from the anodic biofilm of pre-run MFC’s with rumen fluid as anodic substance. They were checked for the power production for 10 days both as pure isolates and co-culture. Bacillus tequilensis and Pseudomonas aeruginosa produced 250 … …American Journal of Environmental Sciences, Vol. 9, Issue 5 · 29 Oct 2013 · 6,948 accessesView PDFCite