to determine the fundamental effects that temperature has on the growth and survival of bacteria. During the first experiment five different bacterial broth cultures of Escherichia coli‚ Pseudomonas fluorescens‚ Enterococcus faecalis‚ Bacillus subtilis and Bacillus stearothermophilus were individually incubated at temperatures of 5‚ 25‚ 37‚ 45 and 55°C for one week in an aim to distinguish the effect temperature has on growth and survival of the five different species. After one week they were observed
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HYDROXYLATION OF PROGESTERONE BY Bacillus circulans Strain Tex 01-S3c ISOLATED FROM OIL CONTAMINATED SOIL IN OMERGA REGION‚ MAHARASHTRA‚ INDIA S. B. MALI & V.S. HAMDE Dept. of Microbiology‚ Adarsh College‚ Omerga Dist. Osmanabad‚ 413606 malisiromerga@yahoo.com and Dept. of microbiology‚ Yogeshwari College‚ ambajogai‚ Dist. Beed. Maharashtra‚ India Abstract Hydroxylations are possibly the most widespread type of steroid bioconversion. Hydroxylations can be used to buildintermediates
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introduced to enhance growth and make the plant grow bigger. Genetic modification is also intended to make the corn resistant to certain insects‚ pests‚ and herbicides. This will help farmers increase yield and less corn will be wasted. “B.t.‚ or Bacillus thuringiensis‚ is a naturally occurring bacterium that produces crystal proteins that are lethal to insect larvae. B.t. crystal protein genes have been transferred into corn‚ enabling the corn to produce its own pesticides against insects such as the European
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Research Larvicidal activity of neem oil (Azadirachta indica) formulation against mosquitoesVirendra K Dua1 ‚ Akhilesh C Pandey1 ‚ Kamaraju Raghavendra2 ‚ Ashish Gupta1 ‚ Trilochan Sharma1 and Aditya P Dash2 1 National Institute of Malaria Research‚ Field Unit‚ Sector-III‚ BHEL‚ Hardwar 249043‚ India2 National Institute of Malaria Research‚ 22 Sham Nath Marg‚ Delhi 110054‚ Indiaauthor email corresponding author emailMalaria Journal 2009‚ 8:124doi:10.1186/1475-2875-8-124The electronic version of
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Antibiotics Vs Tea Tree Oil To determine the effect of various different antibiotics and Tea Tree oil on the Bacillus subtillis different types of bacteria. I will test six antibiotics and the Tea Tree oil on Bacillus subtilis. I will test tetracycline‚ chloramphenicol‚ ampicillin‚ sulphatriad‚ penicillin G and Streptomycin. I would also like to see if Bacillus subtillis shows resistance to Antibiotics or to Tea Tree oil. The use of penicillin is being reduced because of the resistance
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Genetic engineering holds the key to feeding the world¡¦s growing population‚ curing our diseases and saving our natural resources. Welcome to the brave new world of farming‚ ¡§Transgenic Crops¡¨. Genetically modified crops or food is a very controversial subject these days‚ with statements ranging from‚ the cure to world hunger‚ to the creators of the super-weeds and pesticide resistant insects‚ to so called ¡§Frankenfoods¡¨‚ it is no wonder that the average consumer is confused‚ or unaware of
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Metabolism – enzyme-catalyzed chemical reactions Bacillus cereus – Yes Bacteriophage T4 – No Reproduction – progeny formed sexually or asexually Bacillus cereus – Yes Bacteriophage T4 – Yes Differentiation – different cell types can occur Bacillus cereus – Yes Bacteriophage T4 – No Communication – signaling within and between cells Bacillus cereus – Yes Bacteriophage T4 – No Locomotion – relative movement of cell or organism Bacillus cereus – Yes Bacteriophage T4 – No Evolution
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on the body of marine animals or internal organs of both aquatic and terrestrial animals. Amoeba reproduces asexually by binary and multiple fissions. They eat algae‚ bacteria‚ other protozoan‚ and tiny particles of dead plant or animal matter. Bacillus: They are rod shaped‚ gram positive bacteria found in soil and water. The largest are 2m across and 7m long. Most are aerobic but some under certain conditions can be facultative anaerobes. Each bacterium creates only one spore‚ which is resistant
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energy either sunlight or chemicals‚ nutritional requisites and biochemical actions. We have a patient that may be infected with an unknown bacterial infection; we’ve collected a sputum sample and will be testing for one of the following genera: Bacillus‚ Escherichia and Mycoplasma. In order to determine which one of the three may be the source of the infection we have to recognize the characteristics of each one and the staining protocol needed to identify them. All three of the above mentioned
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CHAPTER 10 MICROBES IN HUMAN WELFARE 10.1 Microbes in Household Products 10.2 Microbes in Industrial Products 10.3 Microbes in Sewage Treatment 10.4 Microbes in Production of Biogas 10.5 Microbes as Biocontrol Agents 10.6 Microbes as Biofertilisers Besides macroscopic plants and animals‚ microbes are the major components of biological systems on this earth. You have studied about the diversity of living organisms in Class XI. Do you remember which Kingdoms among the living
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