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Clostridium difficile is responsible for significant mortality and morbidity in the hospitalized elderly. C. difficile spores are infectious and are a major factor contributing to nosocomial transmission. The Spo0A response regulator is the master regulator for sporulation initiation and can influence many other cellular processes. Using the ClosTron gene… (More)
The orphan G protein-coupled receptor 78 (GPR78) gene lies within a region of chromosome 4p where we have previously shown linkage to bipolar affective disorder (BPAD) in a large Scottish family. GPR78 was screened for single-nucleotide polymorphisms (SNPs) and a linkage disequilibrium map was constructed. Six tagging SNPs were selected and tested for… (More)
OBJECTIVE To compare the effects of hospital cleaning agents and germicides on the survival of epidemic Clostridium difficile strains. METHODS We compared the activity of and effects of exposure to 5 cleaning agents and/or germicides (3 containing chlorine, 1 containing only detergent, and 1 containing hydrogen peroxide) on vegetative and spore forms of… (More)
Social networking, sophisticated imaging, and dual-use technologies promise improved disaster management, but they must be adopted by governments and aid agencies if more lives are to be saved in the wake of crises.
The term " country, " as used in this publication, does not in all cases refer to a territorial entity that is a state as understood by international law and practice; the term also covers some territorial entities that are not states, but for which statistical data are maintained and provided internationally on a separate and independent basis.
The gene encoding vitamin K epoxide reductase complex subunit 1 (VKORC1), a component of the enzyme that is the therapeutic target site for warfarin, has recently been identified. In order to investigate the relationship betweenVKORC1 and warfarin dose response, we studied the VKORC1 gene (VKORC1) in patients with warfarin resistance. From a study group of… (More)
OBJECTIVES Isolates previously identified as Citrobacter diversus are now known as Citrobacter koseri. We measured sequence variation at the beta-lactamase structural gene among a group of clinical isolates originally identified as C. diversus by API 20E profiling. METHODS beta-Lactamase and 16S rRNA genes were amplified by PCR and sequenced by standard… (More)
Sex ratio theory offers excellent opportunities to examine the extent to which individuals adaptively adjust their behavior in response to local conditions. Hamilton's theory of local mate competition, which predicts female-biased sex ratios in structured populations, has been extended in numerous directions to predict individual behavior in response to… (More)
The objective of this study was to determine the in vitro fertilizing capacity of bull sperm derived from fresh or frozen samples and subjected to sex sorting and re-cryopreservation. Four sperm types were assessed for their ability to fertilize and sustain early embryo development in vitro. Semen from three Bos taurus bulls of different breeds (Jersey,… (More)
BACKGROUND Bipolar affective disorder (BPAD) and schizophrenia (SCZ) are common conditions. Their causes are unknown, but they include a substantial genetic component. Previously, we described significant linkage of BPAD to a chromosome 4p locus within a large pedigree (F22). Others subsequently have found evidence for linkage of BPAD and SCZ to this… (More)