Month: July 2019

Haloquadratum walsbyi : Limited Diversity in a Global Pond

First described in 1980 [1], the square haloarchaeon, Haloquadratum walsbyi, is commonly the dominant species found in hypersaline waters such as salt lakes and saltern crystallizer ponds [2], [3]. Its cells are highly distinctive, being thin squares or rectangles, usually containing gas vesicles and polyhydroxybutyrate (PHA) granules [4], [5]. It thrives at saturating salt concentrations, where it can represent ≥80% of the microbial population [6], and its cytoplasm is completely adapted to function optimally at similarly high levels of potassium chloride.

Ocean Acidification Effects on the Oceanic Ecosystem around Dutch Harbor

In the waters we rely on for sea food: such as King Crab (Lithodidae), Pollock (Pollachius), and pteropods (Limacina), there are many things seeking to harm, or kill these animals. What if I told you there was a silent killer on the loose, that’s getting away with doing just that.

Creating Advanced Body Armor by Combining Web Geometry with Shear Thickening Fluids

Body armor is currently created using geometry based on Kevlar fabric. This research focuses on determining how to make the design stronger and more effective by using several combinations and strength thickening fluids.

Global Economic Trade-Offs Between Wild Nature and Tropical Agriculture

Growing global demands for food and biofuels generate pressures for deforestation across the tropics [1]. Much of this deforestation is carried out without information on the spatial distribution of benefits and costs of deforestation [2]. Studies estimating the trade-offs between the economic value of multiple forest ecosystem services (ES) and agricultural conversion have been largely constrained to local and national case studies.

The Challenges That Western Alaska Faces Regarding Coastal Erosion and the Methods Needed to Combat its Long-term Effects

Coastal erosion is a huge problem for many people living on the coast; this particular problem is something nobody wants to deal with. Coastal erosion can cause major property damage, loss of valuable land, and damage to the economy. It is important to fight against this terrible predicament because property, land, and the economy are important to human nature.

Alzheimer’s – Prevention May Be the Answer

By 2030, more than 70 million people worldwide are expected to have Alzheimer’s, at a global cost of US $2 trillion. Yet, treatment for this disease has remained as elusive as ever.

RNA Mimicry by the Fap7 Adenylate Kinase in Ribosome Biogenesis

During biogenesis of the 40S and 60S ribosomal subunits, the pre-40S particles are exported to the cytoplasm prior to final cleavage of the 20S pre-rRNA to mature 18S rRNA. Amongst the factors involved in this maturation step, Fap7 is unusual, as it both interacts with ribosomal protein Rps14 and harbors adenylate kinase activity, a function not usually associated with ribonucleoprotein assembly

Genomic Dissection of Conserved Transcriptional Regulation in Intestinal Epithelial Cells

Epithelial cells lining the intestinal tract serve important and evolutionarily conserved functions in animal physiology. The intestinal epithelium is the primary site for absorption and metabolism of diverse dietary nutrients and xenobiotics, relays metabolic and immunological signals to the rest of the body, and provides a critical barrier to microorganisms that reside within the intestinal lumen

Method of Targeting Circulating Tumor Cells

Cancer metastasis accounts for 90% for all cancer-related deaths. Thus, treatment and prevention of secondary tumor formation is vital. A liposome coated with an adhesion molecule and death ligand is proposed in order to target the cancer cells in the bloodstream.

Genome Sequencing Reveals Unique Mutations in Characteristic Metabolic Pathways and the Transfer of Virulence Genes between V. mimicus and V. cholerae

Vibrio mimicus occasionally causes sporadic diarrhea and extraintestinal infections. Although it was previously recognized as a biotype of V. cholerae, it has now been reclassified as an independent species because of differences in a number of biochemical characteristics; e.g., V. mimicus is negative for sucrose fermentation, Voges-Proskauer, lipase (corn oil) activity, and Jordan tartrate reactions.

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