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Articles 1 - 10 of 10
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Physiological Effects Of Nickel Chloride On The Freshwater Cyanobacterium Synechococcus Sp. Iu 625, Brian Nohomovich, Bao T. Nguyen, Michael Quintanilla, Lee H. Lee, Sean R. Murray, Tin-Chun Chu
Physiological Effects Of Nickel Chloride On The Freshwater Cyanobacterium Synechococcus Sp. Iu 625, Brian Nohomovich, Bao T. Nguyen, Michael Quintanilla, Lee H. Lee, Sean R. Murray, Tin-Chun Chu
Tinchun Chu, Ph.D.
Bacterial Community Profiling Of The Eastern Oyster (Crassostrea Virginica): Comparison Of Culture-Dependent And Culture-Independent Outcomes, Kenneth J. La Valley, Steve Jones, Marta Gomez-Chiarri, Joseph Dealteris, Michael A. Rice
Bacterial Community Profiling Of The Eastern Oyster (Crassostrea Virginica): Comparison Of Culture-Dependent And Culture-Independent Outcomes, Kenneth J. La Valley, Steve Jones, Marta Gomez-Chiarri, Joseph Dealteris, Michael A. Rice
Michael A Rice
Tissue-associated bacterial community profiles generated using a nested polymerase chain reaction–denaturing gradient gel electrophoresis (DGGE) approach and culture-dependent and culture-independent isolation techniques were compared. Oyster samples were collected from 2 harvest areas along the coast of Maine, in the United States. Profiles from both isolation strategies were evaluated using Sorensen’s index of similarity and cluster analysis of gel banding patterns. Cultureindependent profiles were further evaluated using the Shannon diversity index. In general, the culture-dependent strategy resulted in a greater number of bands within a profile. BacterialDGGEprofiles were found to be highly similar within an isolation strategy, with a higher degree …
Antibacterial And Cytotoxic Efficacy Of Extracellular Silver Nanoparticles Biofabricated From Chromium Reducing Novel Os4 Strain Of Stenotrophomonas Maltophilia, Mohammad Oves
Mohammad Oves
No abstract provided.
Chromium Reducing And Plant Growth Promoting Novel Strain Pseudomonas Aeruginosa Osg41 Enhance Chickpea Growth In Chromium Amended Soils, Mohammad Oves
Mohammad Oves
No abstract provided.
Phenotypic And Genotypic Characterization Of Escherichia Coli Isolated From Untreated Surface Waters, Steven L. Daniel, Kai F. Hung, Kristopher J. Janezic, Blake Ferry, Eric W. Hendricks, Brian A. Janiga, Tiffany Johnson, Samantha Murphy, Morgan E. Roberts, Sarah M. Scott, Alexandra N. Theisen
Phenotypic And Genotypic Characterization Of Escherichia Coli Isolated From Untreated Surface Waters, Steven L. Daniel, Kai F. Hung, Kristopher J. Janezic, Blake Ferry, Eric W. Hendricks, Brian A. Janiga, Tiffany Johnson, Samantha Murphy, Morgan E. Roberts, Sarah M. Scott, Alexandra N. Theisen
Steven L. Daniel
A common member of the intestinal microbiota in humans and animals is Escherichia coli. Based on the presence of virulence factors, E. coli can be potentially pathogenic. The focus of this study was to isolate E. coli from untreated surface waters (37 sites) in Illinois and Missouri and determine phenotypic and genotypic diversity among isolates. Water samples positive for fecal coliforms based on the Colisure® test were streaked directly onto Eosin Methylene Blue (EMB) agar (37°C) or transferred to EC broth (44.5°C). EC broth cultures producing gas were then streaked onto EMB agar. Forty-five isolates were identified as E. coli …
An Efficient Biotreatment Process For Polyvinyl Alcohol Containing Textile Wastewater, Sandip S. Magdum, Gauri P. Minde, Upendra S. Adhyapak, Kalyanraman V.
An Efficient Biotreatment Process For Polyvinyl Alcohol Containing Textile Wastewater, Sandip S. Magdum, Gauri P. Minde, Upendra S. Adhyapak, Kalyanraman V.
Sandip S. Magdum
The aim of this work was to optimize the biodegradation of polyvinyl alcohol (PVA) containing actual textile wastewater for a sustainable treatment solution. The isolated microbial consortia of effective PVA degrader namely Candida Sp. and Pseudomonas Sp., which were responsible for symbiotic degradation of chemical oxidation demand (COD) and PVA from desizing wastewater. In the process optimization, the maximum aeration was essential to achieve a high degradation rate, where as stirring enhances further degradation and foam control. Batch experiments concluded with the need of 16 lpm/l and 150 rpm of air and stirring speed respectively for high rate of COD …
Development Of A Novel Inoculum Preparation Method For Solid-State Fermentation - Cellophane Film Culture (Cfc) Technique, Teck Nam Ang, Gek Cheng Ngoh, Adeline Seak May Chua
Development Of A Novel Inoculum Preparation Method For Solid-State Fermentation - Cellophane Film Culture (Cfc) Technique, Teck Nam Ang, Gek Cheng Ngoh, Adeline Seak May Chua
Teck Nam Ang Dr.
This study reports a user-friendly technique in the preparation of fungal inoculum intended for solid-state fermentation (SSF) – Cellophane Film Culture (CFC) technique. This technique uses cellophane film-overlaid agar plates to facilitate the separation of fungal biomass. The findings showed that inoculum of P. sajor-caju produced is viable, and it was confirmed by the presence of laccase enzyme activity in SSF of rice husk. The correlation between fungal dry and wet weights (r2 = 0.9329) provides an accurate estimation of fungal dry weight from its wet weight during inoculum preparation. Besides, this technique does not require a strict sterile handling …
Predominant Archaea In Marine Sediments Degrade Detrital Proteins, Karen Lloyd, Lars Schreiber, Dorthe G. Petersen, Kasper U. Kjeldsen, Mark A. Lever, Andrew D. Steen, Ramunus Stepanauskas, Michael Richter, Sara Kleindienst, Sabine Lenk, Andreas Schramm, Bo Barker Jørgensen
Predominant Archaea In Marine Sediments Degrade Detrital Proteins, Karen Lloyd, Lars Schreiber, Dorthe G. Petersen, Kasper U. Kjeldsen, Mark A. Lever, Andrew D. Steen, Ramunus Stepanauskas, Michael Richter, Sara Kleindienst, Sabine Lenk, Andreas Schramm, Bo Barker Jørgensen
Karen Lloyd
Half of the microbial cells in the Earth’s oceans are found in sediments. Many of these cells are members of the Archaea, singlecelled prokaryotes in a domain of life separate from Bacteria and Eukaryota. However, most of these archaea lack cultured representatives, leaving their physiologies and placement on the tree of life uncertain. Here we show that the uncultured miscellaneous crenarchaeotal group (MCG) and marine benthic group-D (MBG-D) are among the most numerous archaea in the marine sub-sea floor. Single-cell genomic sequencing of one cell of MCG and three cells of MBG-D indicated that they form new branches basal to …
Preservation Of H2 Production Activity In Nanoporous Latex Coatings Of Rhodopseudomonas Palustris Cga009 During Dry Storage At Ambient Temperatures, Magdalena Piskorska, Tanya Soule, J Gosse, C Milliken, M Flickinger, G Smith, C Yeager
Preservation Of H2 Production Activity In Nanoporous Latex Coatings Of Rhodopseudomonas Palustris Cga009 During Dry Storage At Ambient Temperatures, Magdalena Piskorska, Tanya Soule, J Gosse, C Milliken, M Flickinger, G Smith, C Yeager
Tanya Soule
To assess the applicability of latex cell coatings as an ‘off-the-shelf’ biocatalyst, the effect of osmoprotectants, temperature, humidity and O2 on preservation of H2 production in Rhodopseudomonas palustris coatings was evaluated. Immediately following latex coating coalescence (24 h) and for up to 2 weeks of dry storage, rehydrated coatings containing different osmoprotectants displayed similar rates of H2 production. Beyond 2 weeks of storage, sorbitol-treated coatings lost all H2 production activity, whereas considerable H2 production was still detected in sucrose- and trehalose-stabilized coatings. The relative humidity level at which the coatings were stored had a significant impact on the recovery and …
An Assessment Of Fecal Indicator And Other Bacteria From An Urbanized Coastal Lagoon In The City Of Los Angeles, California, Usa., Victor D. Carmona
An Assessment Of Fecal Indicator And Other Bacteria From An Urbanized Coastal Lagoon In The City Of Los Angeles, California, Usa., Victor D. Carmona
Victor D. Carmona-Galindo
A study was performed in Del Rey Lagoon, City of Los Angeles, to determine if the lagoon was as a source or sink for fecal indicator bacteria (FIB: total coliforms, Escherichia coli, enterococci) and to screen for the presence of other potentially pathogenic bacteria. The lagoon receives tidal flows from the adjacent Ballona Estuary whose water usually is contaminated with FIB originating from the highly urbanized Ballona Creek Watershed. During 16 sampling events from February 2008 through March 2009, replicate water samples (n = 3) were collected 1 h prior to the high tide and 1 h prior to the …