gram-negative

• Se dit de bactéries qui ne retiennent pas le cristal violet lors de la coloration de Gram et apparaissent roses ou rouges ; elles ont généralement une fine couche de peptidoglycane et une membrane externe.

Describing bacteria that do not retain the crystal violet stain in the Gram staining procedure, appearing red or pink; typically having a thin peptidoglycan layer and an outer membrane.

1. Bacterial classificationC1formalscientific

   Relating to bacteria that do not retain the violet crystal stain in the Gram staining method, typically having a thin cell wall and an outer membrane.

   bactéries à Gram négatif

   • Gram-negative bacteria are often more resistant to antibiotics due to their outer membrane.
   • The laboratory identified the infection as being caused by a Gram-negative rod.
   • E. coli is a well-known example of a Gram-negative bacterium.

   Antonymesgram-positive