scientific name: Rhizobium radiobacter) is a gram-negative rod-shaped bacteria closely related to nitrogen-fixing bacteria which dwell at root nodules in legumes and unlike most other soil-dwelling bacteria‚ it infects the roots of plants to cause Crown Gall Disease of the family Rhizobiaceae‚ which includes the nitrogen fixing legume symbionts. Unlike the nitrogen fixing symbionts‚ tumor producing Agrobacterium are pathogenic and do not benefit the plant. The wide variety of plants affected by Agrobacterium
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Abstract In food industry such as the production of cheese‚ bacteria takes a significant role on the wide variety of cheese. Lactic acid bacteria(LAB)‚ a bacteria that can be found in the production of cheese‚ its stress gene was investigated in the experiment by using various biochemical and genetic techniques to identify and extract. The characterisation of the strain illustrates how identification of strains differ using different methods‚ such as gram stain and 16s rRNA screening. After
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are capable of inhibiting or killing the bacteria. Antibiotics have enabled the effective treatment of infections including life threatening diseases ranging from respiratory diseases to sexually transmitted diseases (Rang et al.‚2007). An antibiotic acts by either limiting or stopping the growth of bacteria. It accomplishes this by probably interfering with the cell wall of the bacteria while having minimal effect on the normal body cells. Classifying bacteria into classes helps in identifying the
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however‚ the safety of its oral use against normal microflora‚ is still ambiguous despite traditional practice hence‚ this study. The disc diffusion method was used to determine the antibacterial activity against gram positive and gram negative bacteria (standard strains and clinical isolates). Antibacterial activity was tested on E. coli‚ S. aureus‚ B. subtilis and P. aeruginosa. Results show that there was no formation of any zone of inhibition as observed after 24 hrs. Thus‚ this justifies
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active in both men and women and is most common in those under the age of 25. Merriam-Webster’s dictionary defines Chlamydia as the type genus of the family Chlamydiaceae comprising coccoid to spherical gram-negative intracellular parasitic bacteria and including one (C. trachomatis) that causes or is associated with various diseases of the eye and genitourinary tract including trachoma‚ lymphogranuloma venereum‚ cervicitis‚ and some forms of nongonococcal urethritis.
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CHAPTER I: INTRODUCTION Background of the study Stickcane also known as Carizo‚ Arundo‚ Spanish cane or giant reed‚ is widely known in the Philippines. It is usually used as trellis. It is a strong candidate for use as renewable biofuel source because of its fast growth rate‚ ability to grow in different soil types and climatic conditions. This can provide a superior renewable energy biomass source of environmental benefits. It provides below ground carbon sequestion in addition to its above
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UNIT 1 The Microbial Universe Read Chapter 1 Review Study Outline for Chapter 1 on pp. 21-22. (It helps to read this before viewing the video.) Watch Video 1‚ "The Microbial Universe" PowerPoint lecture: http://it.spcollege.edu/edtech/instructorResources/rlo/RLO%5FObjects/staticRLO/Citron/MCB2010%20UNIT%201/ NOTE: You will need Flash Player for viewing the PowerPoint lecture. You can download it from the following site: http://www.adobe.com/shockwave/download/download
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Individual plants and animals could not exist by its self on earth. All organisms need other organisms for survival. An ecosystem is a community of living organisms. An ecosystem maintains an important balance in order for all organisms within the ecosystem to survive. The balance involves carbon‚ food‚ nitrogen‚ oxygen and water. The sun supplies the energy needed by ecosystems. Plants absorb the energy and use photosynthesis to convert it to sugar. There are nutrients in the air‚ soil and water
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discussing about the differences between bacteria‚ viruses‚ fungi and parasites. Bacteria: These are tiny microorganisms‚ they cannot be seen with the naked eye. They exist on virtually every living thing or object in the environment i.e. dirt‚ water‚ caves‚ trees‚ dead animals‚ and within everybody living on earth. Its nutrition is from its surroundings. We carry bacteria in the body‚ mainly in the intestines‚ on the genitalia or on the skin. Bacteria can be good or bad. It can help our immune
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microorganisms (microbes‚ germs) and their activities Microorganism: An organism or a virus too small to be seen without a microscope (smaller than 0.5mm) Misconceptions of Microorganisms * All microorganisms are pathogenic (disease producing) FALSE * The majority of bacteria are harmless and beneficial TRUE Aspects of microbiology * Basic biological science * About living cell and how they work * About microbial diversity and their evolution * Applied biological science
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