What are gram -negative bacteria?

Gram-negative bacteria are bacteria that are not used as a basic step in the identification of bacteria in the gram process. Most bacteria can be divided into gram-positive or gram-negative bacteria, reflecting the key differences in the composition of their cell walls. These differences often have a direct effect on what bacteria do, and some of the gram -negative bacteria are pathogenic nature. In this process, the bacteria are mounted on the slide and then bathe in a crystal purple, primary dyeing. All slip cells turn violet, which is added to the mordant, such as iodine to fix the color. The decolorizer is then added to the image. If the bacteria are gram-negative, the bleach is washed by crystal purple, because the permeable cell wall does not allow the crystal purple staining of bacteria. Then a secondary stain is added that turns into gram-negative bacteria and pale pink, but has no effect on the purple gram-positive bacteria. This outer layer sometimes reacts with immune systemsM and causes inflammation and infection. In addition to preventing the color of the outer membrane of the cell, the cell also helps bacteria to withstand the assortment of drugs, thus somewhat demanding infections with gram -negative bacteria.

Some examples of gram -negative bacteria include Legionella, Salmonella and E. coli. Numerous other pathogens are also gram -negative, including some forms of meningitis, a number of bacterial sources of gastrointestinal distress and spirit. Gram-negative bacteria can be stubborn infectious substances and many sources of fatal infection are gram-negative, including what bacteria contribute to secondary infections in hospitals and clinics.

gram staining can provide insight into the composition of the cell wall of bacteria, so it is a routine step in exploring new bacteria in the laboratory. Once bacteria are subjected to gram stains, further research will be needed to identify bacteria, source andThe way the infections caused by bacteria could be treated, but the gram stain provides a good first step. The stain also has another advantage that it emphasizes the key structures of bacteria, including the internal cell structures, which makes them easier to see and understand. However, gram staining does not work on all bacteria; Gram-interminate and gram-protected bacteria cannot be identified in this way.