To increase science literacy and appreciation among nonscience majors, we offered a course in which 20 non-STEM (science, technology, engineering, math) undergraduates participated in a unique, two-semester research experience. Each student isolated and characterized his or her own bacteriophage from soil samples. One bacteriophage was selected for sequencing and together, the class annotated t...

1. Anti-Shiga bacteriophage injected into the general circulation can multiply in the brain of mice infected intracerebrally with Shigella dysenteriae. 2. Under proper conditions, the injection of active bacteriophage into the general circulation can protect mice against an otherwise fatal intracerebral infection with Shigella dysenteriae. 3. The protection so induced appears to depend upon the...

The surface plasmon resonance (SPR) technique is a well-established method for the measurement of molecules binding to surfaces and the quantification of binding constants between surface-immobilized proteins and proteins in solution. In this paper we describe an extension of the methodology to study bacteriophage-bacterium interactions. A two-channel microfluidic SPR sensor device was used to ...

BACKGROUND Shiga toxin (Stx) are cardinal virulence factors of enterohemorrhagic E. coli O157:H7 (EHEC O157). The gene content and genomic insertion sites of Stx-associated bacteriophages differentiate clinical genotypes of EHEC O157 (CG, typical of clinical isolates) from bovine-biased genotypes (BBG, rarely identified among clinical isolates). This project was designed to identify bacteriopha...

Effects of 1270 nm laser light irradiation at phage particles virulent klebsiellosis bacteriophage were studied. The medical bacteriophage, manufactured industrially, was taken as the study object. Klebsiella pneumonia N 296, sensitive to selected phage, used a test-culture. An experimental device by LTD «New surgical technologies» source light. Semiconductor diodes generate with wavelength (12...

Bacteriophages are the most abundant biological entities in our biosphere, characterized by their hyperplasticity, mosaic composition, and the many unknown functions (ORFans) encoded by their immense genetic repertoire. These genes are potentially maintained by the bacteriophage to allow efficient propagation on hosts encountered in nature. To test this hypothesis, we devised a selection to ide...

Calcium is necessary for multiplication of several strains of lactic streptococcus bacteriophage while not required for growth of host bacteria (Shew, 1949; Reiter, 1949; Cherry and Watson, 1949; Collins et al., 1950; Potter and Nelson, 1952b). However, the mode of action of this ion has remained obscure. Calcium action in other bacteriophage systems has been investigated, but disagreement as t...

Foodborne illnesses resulting from bacterial pathogens pose an increasing threat to human health worldwide. The ability more rapidly and sensitively detect bacteria in food samples is critical ensure safety minimize the risk of exposure potential hazards. A highly sensitive electrochemical sensing platform was developed for detection Escherichia coli (E. coli) on fresh leafy vegetables. assembl...