Cell Envelope Structure and Functions in Gram-negative Bacteria
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Structure and functions of the cell envelope of gram-negative bacteria.
The surface of gram-negative bacteria contains structures that prevent the entry of noxious compounds into the cell and that help the cell evade recognition by host elements such as antibodies and complement while allowing the bacteria to obtain nutrients from the environment and to attach to structures of the host cell. This review discusses the role of outer-membrane components such as lipopo...
full textCell-cell communication in Gram-negative bacteria.
Over the last decade or so, a wealth of research has established that bacteria communicate with one another using small molecules. These signals enable the individuals in a population to coordinate their behaviour. In the case of pathogens, this behaviour may include decisions such as when to attack a host organism or form a biofilm. Consequently, such signalling systems are excellent targets f...
full textCell shape and cell-wall organization in Gram-negative bacteria.
In bacterial cells, the peptidoglycan cell wall is the stress-bearing structure that dictates cell shape. Although many molecular details of the composition and assembly of cell-wall components are known, how the network of peptidoglycan subunits is organized to give the cell shape during normal growth and how it is reorganized in response to damage or environmental forces have been relatively ...
full textGram-Negative Bacteria: The cell Membranes
This chapter presents a brief outline of our current knowledge of the structures of the bounding membranes (the inner and the outer membranes and the intermediate periplasmic layer) of a Gram-negative bacterial cell. Also the structure and chemical composition of the outer membrane vesicles (OMVs) originating from the surface of these bacteria including their proteomic profile, as obtained main...
full textGram-Negative Bacteria: The cell Membranes
This chapter presents a brief outline of our current knowledge of the structures of the bounding membranes (the inner and the outer membranes and the intermediate periplasmic layer) of a Gram-negative bacterial cell. Also the structure and chemical composition of the outer membrane vesicles (OMVs) originating from the surface of these bacteria including their proteomic profile, as obtained main...
full textAntibiotic Resistance Pattern of Gram-Negative Bacteria in Gorgan
Abstract Background and Objective: The excessive use of broad-spectrum antibiotics will lead to drug resistance of microorganism and specially nosocomial organisms. Because of high incidence of antibiotic resistance in hospitals, we aimed to study antibiotic resistance to gram negative bacteria. Material and Methods: This cross-sectional study was conducted on the data of biological sampl...
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Journal title
volume 42.43 issue 1
pages 123- 133
publication date 1992-02-01
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