Preferred Label : Gram stain;
IUPAC definition : A set of two stains that are used to stain (crystal violet and iodine) and counterstain
(fuchsin) bacteria. gram-negative bacteria are completely decolorized after treating
the stained bacteria with ethanol or acetone and can be visualized by the counterstain.
They have a complex cell wall in which the peptidoglycan layer is covered by lipopolysaccharides
in an outer membrane structure. gram-positive bacteria resist decolorization by ethanol
or acetone, they retain the initial gram stain. They have a cell wall consisting predominantly
of peptidoglycan not overlayed by an outer membrane.;
Origin ID : G02681;
Automatic exact mappings (from CISMeF team)
- See also
A set of two stains that are used to stain (crystal violet and iodine) and counterstain
(fuchsin) bacteria. gram-negative bacteria are completely decolorized after treating
the stained bacteria with ethanol or acetone and can be visualized by the counterstain.
They have a complex cell wall in which the peptidoglycan layer is covered by lipopolysaccharides
in an outer membrane structure. gram-positive bacteria resist decolorization by ethanol
or acetone, they retain the initial gram stain. They have a cell wall consisting predominantly
of peptidoglycan not overlayed by an outer membrane.
