Journal Articles - December 2010

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Effects on enantiomeric drug disposition and open-field behavior after chronic treatment with venlafaxine in the P-glycoprotein knockout mice model.

RATIONALE: P-glycoprotein (P-gp) plays an important role in the efflux of drugs from the brain back into the bloodstream and can influence the pharmacokinetics and pharmacodynamics of drug molecules. To our knowledge, no studies have reported pharmacodynamic...

Self-administration of cocaine and remifentanil by monkeys: choice between single drugs and mixtures.

RATIONALE: Cocaine and opioids are often co-abused. As yet, however, there is no clear evidence that the drugs interact to make the mixture a more effective reinforcer. OBJECTIVE: The present study examined the relative reinforcing potency and maximum...

Complete genome sequence of a carbon monoxide-utilizing acetogen, Eubacterium limosum KIST612.

Eubacterium limosum KIST612 is an anaerobic acetogenic bacterium that uses CO as the sole carbon/energy source and produces acetate, butyrate, and ethanol. To evaluate its potential as a syngas microbial catalyst, we have sequenced the complete 4.3-Mb genome of E. limosum...

Complete genome sequence of the bacterium Ketogulonicigenium vulgare Y25.

Ketogulonicigenium vulgare is characterized by the efficient production of 2KGA from L-sorbose. Ketogulonicigenium vulgare Y25 is known as a 2-keto-L-gulonic acid-producing strain in the vitamin C industry. Here we report the finished, annotated genome sequence of...

Genome sequence of Oceanicaulis sp. strain HTCC2633, isolated from the Western Sargasso Sea.

The genus Oceanicaulis represents dimorphic rods that were originally isolated from a marine dinoflagellate. Here, we announce the genome sequence of Oceanicaulis sp. strain HTCC2633, isolated by dilution-to-extinction culturing from the Sargasso Sea. The genome information of...

Genome sequence of strain HTCC2083, a novel member of the marine clade Roseobacter.

Strain HTCC2083 was isolated from Oregon seawater using dilution-to-extinction culturing and represents a novel member of the Roseobacter clade. The draft genome sequence of HTCC2083 is presented here. The genome is predicted to contain genes for aerobic anoxygenic phototrophy,...

Complete genome sequence of Corynebacterium pseudotuberculosis I19, a strain isolated from a cow in Israel with bovine mastitis.

This work reports the completion and annotation of the genome sequence of Corynebacterium pseudotuberculosis I19, isolated from an Israeli dairy cow with severe clinical mastitis. To present the whole-genome sequence, a de novo assembly approach using 33 million short (25-bp)...

Complete genome sequence of Cronobacter turicensis LMG 23827, a food-borne pathogen causing deaths in neonates.

Here, we report the complete and annotated genome sequence of Cronobacter turicensis, an opportunistic food-borne pathogen, which is known as a rare but important cause of life-threatening neonatal infections. Among all proteins of C. turicensis, 223 have been annotated as...

Draft genome sequence of the anoxygenic filamentous phototrophic bacterium Oscillochloris trichoides subsp. DG-6.

Oscillochloris trichoides is a mesophilic, filamentous, photoautotrophic, nonsulfur, diazotrophic bacterium which is capable of carbon dioxide fixation via the reductive pentose phosphate cycle and possesses no assimilative sulfate reduction. Here, we present the draft genome...

Complete genome sequence of the probiotic Lactobacillus plantarum ST-III.

Lactobacillus plantarum strain ST-III, a probiotic strain with several functions, was isolated from kimchi. Here we report the complete genome sequence of ST-III and compared it with two published L. plantarum genomes.

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Research Exchange

Bringing the Cell Image into Focus

Nov 2 2010

Improvements in transmission electron microscope (TEM) technology increase the power of this imaging tool for the study of cell biology.

Finding a Cure for Spinal Cord Injury with On-Demand LIMS

Oct 25 2010

The Miami Project to Cure Paralysis finds an on-demand laboratory information management system (LIMS) helps to accelerate discovery in its HCS projects.

Saving Cells: Image Processing for Improved Viability, Part II: Iterative Deconvolution

Oct 25 2010

3D light microscopy and deconvolution provide a means to investigate 3D structure, providing near-confocal quality images without the temporal requirements or potentially damaging phototoxicity associated with other 3D imaging technologies. This article is Part II in a series regarding viability, resolution improvement, and measurement in fluorescence imaging. Part I focused on spectral unmixing.

Saving Cells: Image Processing for Improved Viability

Sep 22 2010

This article is Part I of a two-part series regarding viability, resolution improvement, and measurement in fluorescence imaging. Part II will focus on deconvolution.

Production of Recombinant Proteins and Monoclonal Antibodies in Hollow Fiber Bioreactors

Jan 25

While well-understood, robust and convenient, classical batch-style 2-D culture on non-porous supports or 3-D suspension culture in other devices are really not very biologically relevant models. Cell culture conditions can affect the quality of the antibody or protein produced.

Selecting Robots for Use in Drug Discovery and Testing

Dec 6 2010

Drug discovery and testing, with their need for speed, repeatability and verification, are ideally suited to benefit from robot automation. It is therefore not surprising that robots have been at the forefront of automation developments in both these areas.

HP Scalable Network Storage Systems for Life Sciences

Sep 13 2010

Life sciences research today is advancing exponentially, each step bringing us closer to the realization of truly personalized medicine–preventive care and treatments designed specifically for each individual. In the near future, PCPGM healthcare researchers expect to be able to use predictive genetic testing to create custom treatment plans for individuals and deliver dramatic improvements over today’s one-size-fits-all approach. But research capabilities are only part of the equation; current storage and operating capacities must also evolve to accommodate ever-expanding amounts of data before the goal of personalized medicine can be realized.

Step up to the MIQE

Mar 30 2010

Over the years, polymerase chain reaction (PCR) has evolved into a readily automated, high throughput quantitative technology. Real-time quantitative PCR (qPCR) has become the industry standard for the detection and quantification of nucleic acids for multiple application, including quantification of RNA levels. But a lack of consensus among researchers on how to best perform and interpret qPCR experiments presents a major hurdle for advancement of the technology. This problem is exacerbated by insufficient experimental detail in published work, which impedes the ability of others to accurately evaluate or replicate reported results.

Using the Tecan Genesis Workstation to Automate a Cytometric Bead Array (CBA) Immunoassay

Mar 11 2010

The poster describe the process involved in automating a Cytometric Bead Array (CBA) immunoassay developed to measure relative concentrations of serum antibodies against Tetanus (TT), Sperm Whale Myoglobin (SWM) and Keyhole Limpet Hemocyanin (KLH) in KLH-immunized volunteers.

Ensuring Quality in Assays Performed with Automated Liquid Handlers

Feb 2 2010

The focus of this presentation is to highlight the need of ensuring quality in important assays performed with automated liquid handlers. Nearly all assays performed within a laboratory are volume-dependent. In turn, all concentrations of biological and chemical components in these assays, as well as the associated dilution protocols, are volume-dependent. Because analyte concentration is volume-dependent, an assay’s results might be falsely interpreted if liquid handler variability and inaccuracies are unknown or if the system(s) go unchecked for a long period.

Inkjet System for Protein Crystallography

Feb 1 2010

X-ray crystallography is used routinely by scientists to obtain the three dimensional structure of a biological molecule of interest.Such information can be used to determine how a pharmaceutical interacts with a protein target and what changes might improve functionality. However, the crystallization of macromolecules still remains a serious hindrance in structural determination despite impressive advances in screening methods and technologies.

Attention Deficit & Hyperactivity in a Drosophila Memory Mutant

Attention Deficit & Hyperactivity in a Drosophila Memory Mutant

Nov 9 2009

Action selection is modulated by external stimuli either directly or via memory retrieval. In a constantly changing environment, animals have evolved attention-like processes to effectively filter the incoming sensory stream. These attention-like processes, in turn, are modulated by memory. The neurobiological nature of how attention, action selection and memory are inter-connected is unknown. We describe here new phenotypes of the memory mutant radish in the fruit fly Drosophila.

Towards effective immunotherapy of myeloma: enhanced elimination of myeloma cells by combination of lenalidomide with the human CD38 monoclonal antibody daratumumab.

3 hours ago

Background In our efforts to develop novel effective treatment regimens for multiple myeloma we evaluated the potential benefits of combining the immunomodulatory drug lenalidomide with daratumumab. Daratumumab is a novel human CD38 monoclonal antibody which kills CD38+...

An intronic LINE-1 element insertion in the dystrophin gene aborts dystrophin expression and results in Duchenne-like muscular dystrophy in the corgi breed.

4 hours ago

Duchenne muscular dystrophy (DMD) is a dystrophin-deficient lethal muscle disease. To date, the catastrophic muscle wasting phenotype has only been seen in dystrophin-deficient humans and dogs. Although Duchenne-like symptoms have been observed in more than a dozen dog breeds,...

DNA binding-dependent glucocorticoid receptor activity promotes adipogenesis via Krüppel-like factor 15 gene expression.

4 hours ago

Glucocorticoids, such as dexamethasone, have been used as in vitro inducers of adipogenesis. However, the roles of the glucocorticoid receptor (GR) in adipogenesis have not been well characterized yet. Here, we show that inhibition of GR activity using the GR antagonist RU486...

Anti-apoptotic PI3K/Akt signaling by sodium/glucose transporter 1 reduces epithelial barrier damage and bacterial translocation in intestinal ischemia.

4 hours ago

Intestinal ischemia/reperfusion (I/R) causes mucosal barrier damage and bacterial translocation (BT), leading to septic complications. Previous in vitro studies showed that activation of sodium/glucose transporter 1 (SGLT1) prevented the epithelial apoptosis and permeability...

Prokariotic Cell Collection in Denmark

Nov 6 2009

I would like to know about a prokariotic cell collection in Denmark. Is there a cell bank in this country? I need a Lactobacillus strain for a fermentation assay and this information about the bank is very helpful for me.

Request for Entries

Oct 16 2009

Ask the Experts is your chance to get the answers to questions on applications, materials, methods, processes, and technologies. Email you question to bst_web@advantagemedia.com, and the editors of Bioscience Technology will find an appropriate expert to answer it. Watch this space in the future to see the questions your colleagues are posting.

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Video:

Viewing SureFocus Slides

Jun 11 2010

A demonstration of SureFocus Microscope Slides in the review of AFB Smears. SureFocus Slides are a patent-pending breakthrough in tuberculosis detection, as their fluorescent staining circle remains visible during review, Fluorescence Microscopy.

Podcasts:

Allen Institute for Brain Research

Allen Institute for Brain Research

Oct 14 2009

Discussed in this interview are both the mouse brain project and the human cortex project with an emphasis on the importance of these projects to neuroscience research.

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