Systematic and Applied Microbiology 34 (2011) 127–138 Contents lists available at ScienceDirect Systematic and Applied Microbiology journal homepage: www.elsevier.de/syapm Microbial ecology of autothermal thermophilic aerobic digester (ATAD) systems for treating waste activated sludge David Hayes‚ Leonard Izzard 1 ‚ Robert Seviour ∗ Biotechnology Research Centre‚ La Trobe University‚ Bendigo‚ VIC 3552‚ Australia a r t i c l e i n f o Article history: Received 3 June 2010 Keywords:
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Decolorization of Crystal violet dye by Aeromonas hydrophila isolated from textile wastewater Sujata Mani and Ram Naresh Bharagava* Laboratory of Bioremediation and Metagenomics Research (LBMR) Department of Environmental Microbiology (DEM)‚ School for Environmental Sciences (SES) Babasaheb Bhimrao Ambedkar University (A Central University) Vidya Vihar‚ Raebareli Road‚ Lucknow - 226 025 (U.P.)‚ India *Corresponding Author: Dr. R. N. Bharagava Tel.: (+91) 522-2998718; Fax: (+91)
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The adaptive part is comprised of the repair process and the maintenance of the cell. The aim of the adaptive part is to sustain the cell from the damages caused by the temperature shifts and enable it to continue to grow. Repair process is crucial‚ especially when the DNA was destructed by the adverse impact of the rapid change in temperature. For example‚ when the cell was exposed to 0oC‚ the gene encodes for PP5 and ATM were regulated. The function of the PP5 and ATM is the DNA damage control
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Screening and identification of rhizobacteria isolated from heavy metal contaminated soils INTRODUCTION As a result of human activities such as mining‚ agriculture and industrial activity‚ heavy metal pollution has become one of the most serious environmental problems today. Elevated levels of heavy metals not only decrease soil microbial activity and crop production‚ but also threaten human health through the food chain. Soil microorganisms can degrade organic contaminants‚ while metals need
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The Role of RNA Polymerase and the Death Cap Mushroom Being a health care worker‚ the role of how substances affect the body are always fascinating and intriguing. The role of the Death Cap Mushroom‚ which is appropriately named‚ is one that is simple but can have fatal implications. In Britain‚ the Death Cap Mushroom is attributed to 75% of all fatalities that are caused by ingesting mushrooms (Kibby‚ 2006). These are deaths that are certainly avoidable‚ but yet continue to happen.
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Examining the RNA Interference Mechanism in the dpy-13 Gene in C. Elegans Through Feeding Mehdi Misto Lab: Monday 1:00 – 4:50 PM 11 December 2012 Introduction: RNA interference‚ or RNAi‚ is a biological process in which RNA molecules reduce the gene expression of an organism. This is done typically by causing the destruction of specific mRNA molecules. RNAs are direct products of genes‚ these small RNAs can bind to other mRNA molecules to either increase or decrease their activity like in the example
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Detection of plasmids in arsenic (As) resistant bacteria isolated from As-contaminated groundwater Mahima Rani and Pinaki Sar* Department of Biotechnology‚ Indian Institute of Technology‚ Kharagpur‚ West Bengal–721302‚ India mahima06bt11@gmail.com‚ Ph: +91 8348523016 Abstract Role of plasmids in conferring resistance to several heavy metals and antibiotics to naturally occurring bacteria is well known. In contaminated environments‚ presence of metal resistant genes on plasmids often provide
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Isolation of yeast RNA Methods The experiment was first started through mixing of 3.0 g dry yeast‚ 5.0 ml of 1% NaOH and 25.0 ml distilled water in 100 ml beaker. The resulting mixture was heated in a boiling water bath for 15 minutes while being stirred. The suspension was strained using cheesecloth and the obtained filtrate was obtained and collected in the beaker. This was then centrifuged at maximum speed for about 10-15 minutes. Centrifugation‚ which uses the idea of gravity‚ break up
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because the sides are attracted to each other and with out the Single Strand Binding Proteins they would move back together) f. The Replication Fork is formed with the Leading and Lagging strands. g. In the leading strand‚ RNA Primase moves along nucleotides and coats with a RNA Primer that will be used as a homing beacon for the DNA Polymerase. h. DNA polymerase synthesizes the new DNA by adding complementary nucleotides to the template strand. i. DNA polymerase attaches post primase to DNA nucleotides
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A. Genetics Ribosomal 5S RNA can be represented as a sequence of 120 nucleotides. Each nucleotide can be represented by one of four characters: A (adenine)‚ G (guanine)‚ C (cytosine)‚ o U (uracil). The characters occur with different probabilities for each person. We wish to test if a new sequence is the same as ribosomal 5S RNA. For this purpose‚ we replicate the new sequence 100 times and find that there are 60 A’s in the 20th position. Use a 0.5 level of significance. 1. If the probability of
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