Gram-negative bacteria are bacteria that, unlike gram-positive bacteria, do not retain the crystal violet stain used in the Gram staining method of bacterial...
24 KB (2,445 words) - 19:16, 3 September 2024
and gram-negative bacteria. It may also be used to diagnose a fungal infection. The name comes from the Danish bacteriologist Hans Christian Gram, who...
27 KB (2,795 words) - 20:47, 30 June 2024
wall. The Gram stain is used by microbiologists to place bacteria into two main categories, Gram-positive (+) and Gram-negative (-). Gram-positive bacteria...
24 KB (2,648 words) - 14:57, 23 July 2024
Bacterial cellular morphologies (redirect from Gram-negative anaerobic cocci)
color upon Gram staining; there are both gram-positive rods and gram-negative rods. MacConkey agar can be used to distinguish among gram-negative bacilli...
24 KB (2,330 words) - 19:25, 3 September 2024
tract can also lead to gram negative bacteremia. Pseudomonas and Enterobacter species are the most important causes of gram negative bacteremia in the ICU...
35 KB (3,681 words) - 09:15, 23 May 2024
Pathogenic bacteria (redirect from Gram-negative bacterial infection)
lipopolysaccharides that are part of the outer membrane of the cell wall of gram-negative bacteria. Endotoxins are released when the bacteria lyses, which is...
79 KB (4,101 words) - 10:40, 13 April 2024
Lipopolysaccharide (redirect from Gram negative shock)
collective term for components of the outermost membrane of cell envelope of Gram-negative bacteria, such as E. coli and Salmonella with a common structural architecture...
63 KB (7,188 words) - 10:22, 25 August 2024
Bacterial cell structure (redirect from Gram-negative cell wall)
bacterial cell walls, those of Gram-positive bacteria and those of Gram-negative bacteria, which are differentiated by their Gram staining characteristics....
36 KB (4,605 words) - 03:18, 12 May 2024
Bacterial pneumonia (section Gram-negative)
pneumonia are Staphylococcus aureus (J15.2) and Bacillus anthracis. Gram-negative bacteria are seen less frequently: Haemophilus influenzae (J14), Klebsiella...
11 KB (1,096 words) - 09:19, 28 August 2024
Bacilli (redirect from Gram-negative anaerobic straight, curved, and helical rods)
rod-shaped bacterium that can be described as "a bacillus", but it stains Gram-negative and does not belong to the genus Bacillus or the class Bacilli. Some...
23 KB (423 words) - 13:55, 13 December 2023
Gram-negative folliculitis occurs in patients who have had moderately inflammatory acne for long periods and have been treated with long-term antibiotics...
1 KB (75 words) - 14:31, 5 June 2021
Septic shock (section Gram-negative)
(note that Shigella and Vibrio cholerae are Gram negative organisms).[citation needed] In gram-negative sepsis, free LPS attaches to a circulating LPS-binding...
32 KB (3,599 words) - 15:04, 16 August 2024
Cell envelope (section The Gram-negative cell wall)
comprises the inner cell membrane and the cell wall of a bacterium. In Gram-negative bacteria an outer membrane is also included. This envelope is not present...
9 KB (1,169 words) - 03:12, 12 May 2024
Darobactin (section Gram-negative bacteria)
is an experimental antibiotic compound that may be effective against Gram-negative bacteria. If it can be developed into a human-compatible form it would...
6 KB (494 words) - 15:33, 23 January 2024
MacConkey agar (section Lac negative)
culture medium for bacteria. It is designed to selectively isolate Gram-negative and enteric (normally found in the intestinal tract) bacteria and differentiate...
7 KB (690 words) - 03:15, 27 August 2024
the drug, doxycycline may be used to treat these infections caused by Gram-negative bacteria: Escherichia coli infections, Enterobacter aerogenes (formerly...
96 KB (9,316 words) - 11:25, 30 August 2024
Quorum sensing (section Gram-negative bacteria)
bacterial species, as well as between diverse species. Both gram-positive and gram-negative bacteria use quorum sensing, but there are some major differences...
81 KB (9,940 words) - 12:49, 31 August 2024
cephalosporins have increased activity against Gram-negative bacteria, albeit often with reduced activity against Gram-positive organisms.[citation needed] The...
37 KB (2,502 words) - 04:47, 10 August 2024
walls of gram-negative bacteria and is recognized by TLR2, which is usually in a heterodimer of with TLR1 or TLR6. Lipoteichoic acid (LTA) from gram-positive...
13 KB (1,476 words) - 12:50, 13 January 2024
peripheral enzyme E1 is an alpha2beta2 heterotetramerin eukaryotes. In Gram-negative bacteria, e.g. Escherichia coli, PDC consists of a central cubic core...
29 KB (3,340 words) - 20:01, 15 August 2024
Carbapenem (section Gram-negative pathogens)
Carbapenems exhibit broad spectrum activity against gram-negative bacteria and somewhat narrower activity against gram-positive bacteria. For empiric therapy treatment...
30 KB (3,489 words) - 16:49, 6 July 2024
Secretion (section In gram-negative bacteria)
cytoplasmic membrane by the twin-arginine translocation pathway (Tat). Gram-negative bacteria have two membranes, thus making secretion topologically more...
25 KB (2,981 words) - 05:27, 17 June 2024
Multidrug resistant Gram-negative bacteria (MDRGN bacteria) are a type of Gram-negative bacteria with resistance to multiple antibiotics. They can cause...
6 KB (721 words) - 06:18, 8 November 2023
membrane and the bacterial outer membrane called the periplasmic space in Gram-negative (more accurately "diderm") bacteria. Using cryo-electron microscopy...
20 KB (2,287 words) - 11:18, 19 July 2024
Aminoglycoside is a medicinal and bacteriologic category of traditional Gram-negative antibacterial medications that inhibit protein synthesis and contain...
24 KB (2,582 words) - 14:38, 15 July 2024
bacterial growth. MacConkey agar is for Gram-negative bacteria. Hektoen enteric agar is selective for Gram-negative bacteria. HIS-selective medium is a type...
21 KB (2,279 words) - 18:06, 20 August 2024
Enterobacteriaceae (CRE) or carbapenemase-producing Enterobacteriaceae (CPE) are Gram-negative bacteria that are resistant to the carbapenem class of antibiotics,...
69 KB (8,478 words) - 11:32, 2 May 2024
peptidoglycan layer is substantially thicker in Gram-positive bacteria (20 to 80 nanometers) than in Gram-negative bacteria (7 to 8 nanometers). Depending on...
36 KB (4,018 words) - 09:29, 10 June 2024
A facultative anaerobic organism is an organism that makes ATP by aerobic respiration if oxygen is present, but is capable of switching to fermentation...
11 KB (999 words) - 20:35, 29 March 2024