3,748 research outputs found

    Personal Identity

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    What is the definition of what it means to be a person, what it means to be a human, and the differentiation between the two? Through deductive and inductive reasoning, the argument is made that there is only one universal person who is identical inside all of us and that it is actually our human qualities which make us unique. Similarities and differences are highlighted between the author’s person and the established philosophical views of personhood, including Buddhist, David Hume, Cartesian and Hindu philosophies on personal identity. The author suggests that the nature of human hood and the nature of personhood and the differences between the two indicate purpose for the life of the functional human

    Alien Registration- Baker, Austin G. (Millinocket, Penobscot County)

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    https://digitalmaine.com/alien_docs/7931/thumbnail.jp

    The Importance of Automaticity Development in Mathematics

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    This study examined whether students were reaching automaticity with single digit multiplication facts. A fourteen question interview was used to collect data. The first three questions asked the student basic information about themselves and their current math teacher. The next seven questions were math facts. The math facts chosen for the interview were a range of difficulty, starting with a simple problem like 1 x 9 and increasing in difficulty to 6 x 9. The last four questions were open-ended with the intent of gaining insight into whether the students were using strategies to complete the problems or if they were showing automaticity. The study took place in one elementary school and one middle school. The participants were students from 3rd, 5th, and 8th grade. There were nine students from 3rd grade. Four were male and five were female. Ten students were from 5th grade. Four were male and six were female. Five students were from 8th grade. Three were male and two were female. The findings from this study are consistent with research included in this study in that students are continuing to struggle with single digit multiplication problems

    Agriculture and Groundwater Quality

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    A Review of the Optical Control of Protein Function via Unnatural Amino Acid Mutagenesis and Other Optogenetic Approaches

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    Biological processes are regulated with high spatial and temporal resolution at the molecular, cellular, and systems level. To control and study processes with the same resolution, researchers have employed light-sensitive moieties to optically activate and deactivate protein function. Optical control is a non-invasive technique in which the amplitude, wavelength, spatial location, and timing of the light illumination can be easily controlled. This review focuses on applications of genetically encoded unnatural amino acids containing light-removable protecting groups to optically trigger protein function, while also discussing select optogenetic approaches using natural light-sensing domains to engineer optical control of biological processes

    Vibrio vulnificus Type 6 Secretion System 1 contains anti-Bacterial properties.

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    This is the final version of the article. Available from Public Library of Science via the DOI in this record.Vibrio vulnificus is a bacterium responsible for severe gastroenteritis, sepsis and wound infections. Gastroenteritis and sepsis are commonly associated with the consumption of raw oysters, whereas wound infection is often associated with the handling of contaminated fish. Although classical virulence factors of this emerging pathogen are well characterised, there remains a paucity of knowledge regarding the general biology of this species. To investigate the presence of previously unreported virulence factors, we applied whole genome sequencing to a panel of ten V. vulnificus strains with varying virulence potentials. This identified two novel type 6 secretion systems (T6SSs), systems that are known to have a role in bacterial virulence and population dynamics. By utilising a range of molecular techniques and assays we have demonstrated the functionality of one of these T6SSs. Furthermore, we have shown that this system is subject to thermoregulation and is negatively regulated by increasing salinity concentrations. This secretion system was also shown to be involved in the killing of V. vulnificus strains that did not possess this system and a model is proposed as to how this interaction may contribute to population dynamics within V. vulnificus strains. In addition to this intra-species killing, this system also contributes to the killing of inter bacterial species and may have a role in the general composition of Vibrio species in the environment.This work was funded by a CEFAS-Exeter University Alliance PhD Studentship awarded to SRC and SLM. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript

    Search Engine for Antimicrobial Resistance: A Cloud Compatible Pipeline and Web Interface for Rapidly Detecting Antimicrobial Resistance Genes Directly from Sequence Data.

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    BACKGROUND: Antimicrobial resistance remains a growing and significant concern in human and veterinary medicine. Current laboratory methods for the detection and surveillance of antimicrobial resistant bacteria are limited in their effectiveness and scope. With the rapidly developing field of whole genome sequencing beginning to be utilised in clinical practice, the ability to interrogate sequencing data quickly and easily for the presence of antimicrobial resistance genes will become increasingly important and useful for informing clinical decisions. Additionally, use of such tools will provide insight into the dynamics of antimicrobial resistance genes in metagenomic samples such as those used in environmental monitoring. RESULTS: Here we present the Search Engine for Antimicrobial Resistance (SEAR), a pipeline and web interface for detection of horizontally acquired antimicrobial resistance genes in raw sequencing data. The pipeline provides gene information, abundance estimation and the reconstructed sequence of antimicrobial resistance genes; it also provides web links to additional information on each gene. The pipeline utilises clustering and read mapping to annotate full-length genes relative to a user-defined database. It also uses local alignment of annotated genes to a range of online databases to provide additional information. We demonstrate SEAR's application in the detection and abundance estimation of antimicrobial resistance genes in two novel environmental metagenomes, 32 human faecal microbiome datasets and 126 clinical isolates of Shigella sonnei. CONCLUSIONS: We have developed a pipeline that contributes to the improved capacity for antimicrobial resistance detection afforded by next generation sequencing technologies, allowing for rapid detection of antimicrobial resistance genes directly from sequencing data. SEAR uses raw sequencing data via an intuitive interface so can be run rapidly without requiring advanced bioinformatic skills or resources. Finally, we show that SEAR is effective in detecting antimicrobial resistance genes in metagenomic and isolate sequencing data from both environmental metagenomes and sequencing data from clinical isolates.This research was funded by GlaxoSmithKline, the Centre for Environment, Fisheries and Aquaculture Science and the Biotechnology and Biological Sciences Research Council under an industrial CASE studentship. The funder Centre for Environment, Fisheries and Aquaculture Science provided support in the form of salaries, research materials and facilities for authors DVJ and CBA, but did not have any additional role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript. The funder GlaxoSmithKline provided support in the form of salaries for author JR, but did not have any additional role in the study design, data collection and analysis, decision to publish, or preparation of the manuscript.This is the final version. It was first published by PLOS at http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0133492
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