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Research ArticleOpen accessIn the abstractDiversity and Resistance of Bacteria Isolated from a Neonatal Intensive Care Unit (NICU) Surfaces and the Hands of Nurses in Jeddah-Saudi ArabiaRoqaiah M. Al-Jabri, Ahmed M. Al-Hejin, Rukaia Gashgari et al.Healthcare-Associated Infections (HAIs) are a serious problem for neonates when admitted to NICUs. The healthcare environment and healthcare workers' hands may be a source of transmission. Therefore, there is a need to find microbial sources and identify the contaminants to improve disinfection protocols to reduce HAIs. Out of the 169 samples collected on nutrient agar media from NICUs of a … …OnLine Journal of Biological Sciences, Vol. 22, Issue 3 · 5 Aug 2022 · 5,832 accessesView PDFCite
Research ArticleOpen accessIn the abstractEvaluation of Antioxidant and Antibacterial Activities of the Polysaccharides from Mycelium and the Culture Medium of Pleurotus Eryngii Strain UN-1Qing Liu, Haodong Wu, Ying Wu et al.Pleurotus eryngii was one of the most precious and ordinary edible mushrooms, and its polysaccharides were the major active substances. In this study, P. eryngii strain UN-1 was cultured in a liquid medium at 25℃ under a shaking of 80 rpm for 7 days. Two crude polysaccharides named CPN and CPNM were obtained from the mycelium of P. eryngii UN-1 … …American Journal of Biochemistry and Biotechnology, Vol. 18, Issue 3 · 19 Jul 2022 · 6,182 accessesView PDFCite
Research ArticleOpen accessIn the abstractCrude Extract of Blue-Green Pigment Derived from the Marine Bacterium Pseudomonas aeruginosa P1.S9 has Antibacterial, Antioxidant, and Cytotoxic ActivitiesAris Tri Wahyudi, Rahmah Nursari, Widya Esti Purwaningtyas et al.Pigment derived from marine bacteria is one of the alternative sources of natural products characterized by beneficial functions for pharmaceutical purposes. This study aimed to evaluate the antimicrobial, antioxidant and cytotoxic activities of the marine bacterium Pseudomonas aeruginosa P1. S9 crude pigment extract and identify its chemical content. Crude pigment extract of this bacterium showed promising antibacterial activities against Pseudomonas … …OnLine Journal of Biological Sciences, Vol. 22, Issue 1 · 4 Mar 2022 · 6,998 accessesView PDFCite
Research ArticleOpen accessIn the abstractAntimicrobial and Antioxidant Activities of Bacterial Extracts from Marine Bacteria Associated with Sponge Stylotella sp.Daning Yoghiapiscessa, Irmanida Batubara, Aris Tri WahyudiSponge-associated bacteria have great potential in developing marine pharmaceutical industry since they are capable of synthesizing numerous bioactive metabolite compounds. This study aimed to isolate, characterize and investigate potential antimicrobial, toxicity and antioxidant of bioactive compounds of bacteria associated with sponge Stylotella sp. A total of 138 bacteria were selected. During screening stage, 45 isolates (32%) produced a wide spectrum … …American Journal of Biochemistry and Biotechnology, Vol. 12, Issue 1 · 22 Feb 2016 · 9,163 accessesView PDFCite
Research ArticleOpen accessIn the abstractBioactive Endophytic Actinomycetes of Cinnamomum sp.; Isolation, Identification, Activity Guided Purification and Process Optimization of Active MetaboliteSudipta Roy, Debdulal BanerjeeStudying on endophytic actinomycetes of Cinnamomum sp. from Indian rainforest, Cherapunji, one of our isolated strains designated as CH1 was found to produce significant antibacterial activity against test pathogens (Aeromonas caviae (ATCC 15468), Vibrio parahemolyticus ATCC 1782, Pseudomonas aeruginosa (ATCC 9027), Proteus vulgaris (ATCC 12453), Shigella flexnerii (ATCC 12022), Escherichia coli (human sample isolate), Bacillus subtilis (ATCC 11774) and Bacillus … …Current Research in Microbiology, Vol. 6, Issue 1 · 6 Apr 2015 · 9,063 accessesView PDFCite
Research ArticleOpen accessIn the abstractBACTERIAL ISOLATES OF MARINE COAST AS COMMERCIAL PRODUCER OF PROTEASES. Das, I. Mukherjee, M. Sudarshan et al.The objective of this work was to explore and exploit the extracellular protease secreting marine microbial biodiversity of the eastern coastal region of India. Culture dependent method was applied for isolation of microbes from the marine coast of West Bengal (Digha and Mandarmani) and Andhra Pradesh (Vizag) in India. Six protease secreting isolates were screened using casein hydrolysing property as … …OnLine Journal of Biological Sciences, Vol. 12, Issue 3 · 8 Aug 2012 · 8,799 accessesView PDFCite
Research ArticleOpen accessIn the abstractChitinolytic Bacteria Isolated from Chili Rhizosphere: Chitinase Characterization and Its Application as Biocontrol for Whitefly (Bemisia tabaci Genn.)Nisa Rachmania Mubarik, Irni Mahagiani, Amaryllis Anindyaputri et al.Problem statement: Chitin, a common constituent of insect exoskeleton, could be hydrolyzed by chitinase. The research was conducted to screen chitinolytic rhizobacteria isolated from rhizosphere of chilli pepper and to determine their chitinase activity in degrading chitin of whitefly, Bemisia tabaci Genn. (Hemiptera: Aleyrodidae). Whitefly is recognized as an important pest on many crops including chilli pepper. Approach: Screening and … …American Journal of Agricultural and Biological Sciences, Vol. 5, Issue 4 · 11 Nov 2010 · 18,552 accessesView PDFCite
Research ArticleOpen accessIn the abstractAntibacterial Activity of Hydroalcoholic Extract of Callistemon citrinus and Albizia lebbeckSeyyed Mansour Seyydnejad, Masumeh Niknejad, Ismaieel Darabpoor, Hossein MotamediProblem statement: Callistemon citrinus and Albizia lebbeck are two kind of native plants in Khoozestan province in Iran, according to the agreement that medicinal plant could be replaced the medicine we are trying to determine the antibacterial effect of the named plants. Approach: The antibacterial properties of ethanolic and methanolic extract of Callistemon citrinus leaf and Albizia lebbeck leaf was … …American Journal of Applied Sciences, Vol. 7, Issue 1 · 31 Jan 2010 · 9,083 accessesView PDFCite
Research ArticleOpen accessIn the abstractDetermination of the Antibacterial Efficacy of Common Chemical Agents in Cleaning and Disinfection in Hospitals of North JordanHani A. Masaadeh, Adnan S. JaranProblem statement: Hospital cleanleness and hygene are consederd among the most important aspects of clinical success and in preventing nosocomial infections. In this study we will address the problem of effectiveness of commonly used chemical agents in cleaning and disinfection in hospitals of north Jordan. For evaluating the effectiveness of chemical agents. Approach: The minimum inhibitory concentration (MIC) was determined … …American Journal of Applied Sciences, Vol. 6, Issue 5 · 31 May 2009 · 7,793 accessesView PDFCite
Research ArticleOpen accessIn the abstractIsolation and Purification of Bacterial Strains from Treatment Plants for Effective and Efficient Bioconversion of Domestic Wastewater SludgeK. C.A. Jalal, Md. Z. Alam, Suleyman A. Muyibi, P. JamalForty six bacterial strains were isolated from nine different sources in four treatment plants namely Indah Water Konsortium (IWK) sewage treatment plant, International Islamic University Malaysia (IIUM) treatment plant-1,-2 and -3 to evaluate the bioconversion process in terms of efficient biodegradation and bioseparation. The bacterial strains isolated were found to be 52.2% (24 isolates) and 47.8% (22 isolates) in the … …American Journal of Environmental Sciences, Vol. 2, Issue 1 · 31 Mar 2006 · 7,580 accessesView PDFCite