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Staying Alive: Vibrio cholerae's Cycle of Environmental Survival, Transmission, and Dissemination.

Conner, Jenna G Teschler, Jennifer K Jones, Christopher J Yildiz, Fitnat H

Published in Microbiology spectrum

Infectious diseases kill nearly 9 million people annually. Bacterial pathogens are responsible for a large proportion of these diseases, and the bacterial agents of pneumonia, diarrhea, and tuberculosis are leading causes of death and disability worldwide. Increasingly, the crucial role of nonhost environments in the life cycle of bacterial pathoge...

Early doors (Edo) mutant mouse reveals the importance of period 2 (PER2) PAS domain structure for circadian pacemaking.

Militi, Stefania Maywood, Elizabeth S Sandate, Colby R Chesham, Johanna E Barnard, Alun R Parsons, Michael J Vibert, Jennifer L Joynson, Greg M Partch, Carrie L Hastings, Michael H ...

Published in Proceedings of the National Academy of Sciences of the United States of America

The suprachiasmatic nucleus (SCN) defines 24 h of time via a transcriptional/posttranslational feedback loop in which transactivation of Per (period) and Cry (cryptochrome) genes by BMAL1-CLOCK complexes is suppressed by PER-CRY complexes. The molecular/structural basis of how circadian protein complexes function is poorly understood. We describe a...

Agarose- and alginate-based biopolymers for sample preparation: Excellent green extraction tools for this century.

Sanagi, Mohd Marsin Loh, Saw Hong Wan Ibrahim, Wan Nazihah Pourmand, Neda Salisu, Ahmed Wan Ibrahim, Wan Aini Ali, Imran

Published in Journal of separation science

Recently, there has been considerable interest in the use of miniaturized sample preparation techniques before the chromatographic monitoring of the analytes in unknown complex compositions. The use of biopolymer-based sorbents in solid-phase microextraction techniques has achieved a good reputation. A great variety of polysaccharides can be extrac...

Pathway-Based Genomics Prediction using Generalized Elastic Net.

Sokolov, Artem Carlin, Daniel E Paull, Evan O Baertsch, Robert Stuart, Joshua M

Published in PLoS computational biology

We present a novel regularization scheme called The Generalized Elastic Net (GELnet) that incorporates gene pathway information into feature selection. The proposed formulation is applicable to a wide variety of problems in which the interpretation of predictive features using known molecular interactions is desired. The method naturally steers sol...

Fitting Frequency-Lowering Signal Processing Applying the American Academy of Audiology Pediatric Amplification Guidelin...

Scollie, Susan Glista, Danielle Seto, Julie Dunn, Andrea Schuett, Brittany Hawkins, Marianne Pourmand, Nazanin Parsa, Vijay

Published in Journal of the American Academy of Audiology

Although guidelines for fitting hearing aids for children are well developed and have strong basis in evidence, specific protocols for fitting and verifying technologies can supplement such guidelines. One such technology is frequency-lowering signal processing. Children require access to a broad bandwidth of speech to detect and use all phonemes i...

Fitting Noise Management Signal Processing Applying the American Academy of Audiology Pediatric Amplification Guideline:...

Scollie, Susan Levy, Charla Pourmand, Nazanin Abbasalipour, Parvaneh Bagatto, Marlene Richert, Frances Moodie, Shane Crukley, Jeff Parsa, Vijay

Published in Journal of the American Academy of Audiology

Although guidelines for fitting hearing aids for children are well developed and have strong basis in evidence, specific protocols for fitting and verifying some technologies are not always available. One such technology is noise management in children's hearing aids. Children are frequently in high-level and/or noisy environments, and many options...

How Helicobacter pylori senses, targets and interacts with the gastric epithelium. PDF available through Get Fulltext Research

Keilberg, Daniela Ottemann, Karen M

Published in Environmental microbiology

Helicobacter pylori is a human-specific pathogen that chronically infects about 50% of the world's population. After travelling through the harsh environment of the stomach lumen, H. pylori colonizes the mucosal surface and within the glands of the human stomach. During colonization, H. pylori uses motility and its chemotaxis signalling system to s...

The actual and potential costs of meningitis surveillance in the African meningitis belt: Results from Chad and Niger.

Irurzun-Lopez, Maite Erondu, Ngozi A Djibo, Ali Griffiths, Ulla Stuart, James M Fernandez, Katya Ronveaux, Olivier Le Gargasson, Jean-Bernard Gessner, Bradford D Colombini, Anaïs ...

Published in Vaccine

The introduction of serogroup A meningococcal conjugate vaccine in the African meningitis belt required strengthened surveillance to assess long-term vaccine impact. The costs of implementing this strengthening had not been assessed. The ingredients approach was used to retrospectively determine bacterial meningitis surveillance costs in Chad and N...

A Seroepidemiological Study of Serogroup A Meningococcal Infection in the African Meningitis Belt.

Manigart, Olivier Trotter, Caroline Findlow, Helen Assefa, Abraham Mihret, Wude Moti Demisse, Tesfaye Yeshitela, Biruk Osei, Isaac Hodgson, Abraham Quaye, Stephen Laryea ...

Published in PloS one

The pattern of epidemic meningococcal disease in the African meningitis belt may be influenced by the background level of population immunity but this has been measured infrequently. A standardised enzyme-linked immunosorbent assay (ELISA) for measuring meningococcal serogroup A IgG antibodies was established at five centres within the meningitis b...

A Novel Secreted Protein, MYR1, Is Central to Toxoplasma's Manipulation of Host Cells. PDF available through Get Fulltext Research

Franco, Magdalena Panas, Michael W Marino, Nicole D Lee, Mei-Chong Wendy Buchholz, Kerry R Kelly, Felice D Bednarski, Jeffrey J Sleckman, Barry P Pourmand, Nader Boothroyd, John C ...

Published in mBio

The intracellular protozoan Toxoplasma gondii dramatically reprograms the transcriptome of host cells it infects, including substantially up-regulating the host oncogene c-myc. By applying a flow cytometry-based selection to infected mouse cells expressing green fluorescent protein fused to c-Myc (c-Myc-GFP), we isolated mutant tachyzoites defectiv...

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