Pseudomonas aeruginosa is a Gram-negative, aerobic rod belonging to the bacterial family Pseudomonadaceae. The family includes other genera, which, together with certain other organisms, constitute the bacteria informally known as pseudomonads. These bacteria are common inhabitants of soil and water. They occur regularly on the surfaces of plants and occassionally on the surfaces of animals. Th...

The observation that E-cadherin is the principal epithelial receptor for the bacterial pathogen Listeria monocytogenes led us to investigate whether N-terminal fragments of E-cadherin containing the L. monocytogenes binding domain could inhibit entry of the bacteria into cultured epithelial cells. Here we demonstrate that a conditioned medium from a gastric cancer cell line (Kato III) that carr...

Chlamydiae, obligate intracellular bacteria, cause significant human and veterinary associated diseases. Having emerged an estimated 700-million years ago, these bacteria have twice adapted to humans as a host species, causing sexually transmitted infection (C. trachomatis) and respiratory associated disease (C. pneumoniae). The principle mechanism of host cell defense against these intracellul...

Quantification of invasive, intracellular bacteria is critical in many areas of cellular microbiology and immunology. We describe a novel and fast approach to determine invasion of bacterial pathogens in adherent cell types such as epithelial cells or fibroblasts based on flow cytometry. Using the CEACAM-mediated uptake of Opa-expressing Neisseria gonorrhoeae as a well-characterized model of ba...

Use of invertebrate models of infection has given exciting insights into host-pathogen interaction for a number of bacteria. In particular, this has revealed important factors of the host response with remarkable parallels in higher organisms. Recently, emerging of multi-drug resistant bacteria raises a requirement of developing new therapies such as controlling host defense system. Finding hos...

Abstract 205 isolates of actinomycetes bacteria were isolated from soil samples collected Satun province, Thailand. To have more chances to get diverse groups bacteria, treated using three different methods before inoculated on two selective media, humic acid-vitamin agar and coal vitamin agar. After months incubation at 30°C, all typically characteristic colonies picked purified then tested fo...

Many species, from single-cell bacteria to advanced animals, use molecular communication (MC) share information with each other via chemical signals. Although MC is mostly studied in microscale, new practical applications emerge macroscale. It essential derive an estimation method for channel parameters such as distance macroscale systems which include a sprayer emitting molecules transmitter (...

During the last two decades, various medicinal plants have been studied for their possible antimicrobial activity to discover new antimicrobial agents capable of resolving problems such as the development of drug resistance in pathogenic microorganisms as well as the side effects of some present antibiotics. In this study, the antibacterial activity of methanolic extract of T. pubescens (rich i...

1. protection against intracellular bacteria is mediated by T cells, which are interacting, not directly with the pathogen, but with the infected cell surface; antibodies exhibit a minor effect on the immune protection against intracellular infections; 2. infections by intracellular bacteria is accompanied by delayed hypersensitivity reactions that occur after the local administration of solubl...