Gram-negative: Difference between revisions
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These are a group of bacteria that do not retain the crystal violet stain used in the [[ | These are a group of bacteria that do not retain the crystal violet stain used in the [[Gram staining|Gram staining method]] of bacterial differentiation, these bacteria appear violet when stained. They have an inner and outer membrane separated by the periplasm and display a layer of [[Peptidoglycan|peptidoglycan]] which is much thicker than that of gram-positive bacteria. Examples include [[Escherichia coli|Escherichia coli ]](E. coli), Salmonella and helicobacter. | ||
[https:// | [https://en.wikipedia.org/wiki/Gram-negative_bacteria https://en.wikipedia.org/wiki/Gram-negative_bacteria] | ||
Revision as of 10:59, 22 October 2017
These are a group of bacteria that do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation, these bacteria appear violet when stained. They have an inner and outer membrane separated by the periplasm and display a layer of peptidoglycan which is much thicker than that of gram-positive bacteria. Examples include Escherichia coli (E. coli), Salmonella and helicobacter.