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) - 17:36, 19 July 2024
The Gram stain is used by microbiologists to place bacteria into two main categories, Gram-positive (+) and Gram-negative (-). Gram-positive bacteria have...
24 KB (2,648 words) - 14:57, 23 July 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
Bacterial cellular morphologies (redirect from Gram-negative anaerobic cocci)
family Moraxellaceae. This genus, Moraxellaceae, comprises gram-negative coccobacilli bacteria: Moraxella lacunata, M. atlantae, M. boevrei, M. bovis, M...
24 KB (2,330 words) - 06:39, 13 August 2024
resistant Gram-negative bacteria (MDRGN bacteria) are a type of Gram-negative bacteria with resistance to multiple antibiotics. They can cause bacteria infections...
6 KB (721 words) - 06:18, 8 November 2023
Atypical bacteria are bacteria that do not get colored by gram-staining but rather remain colorless: they are neither Gram-positive nor Gram-negative. These...
4 KB (427 words) - 20:16, 11 February 2023
Lipopolysaccharide (redirect from Gram negative shock)
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) - 22:41, 22 August 2024
bacterial outer membrane called the periplasmic space in Gram-negative (more accurately "diderm") bacteria. Using cryo-electron microscopy it has been found...
20 KB (2,287 words) - 11:18, 19 July 2024
Darobactin (section Gram-negative bacteria)
experimental antibiotic compound that may be effective against Gram-negative bacteria. If it can be developed into a human-compatible form it would be...
6 KB (494 words) - 15:33, 23 January 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
Cell envelope (category Bacteria)
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
of the outer membrane of the cell wall of gram-negative bacteria. Endotoxins are released when the bacteria lyses, which is why after antibiotic treatment...
79 KB (4,101 words) - 10:40, 13 April 2024
peripheral enzyme E1 is an alpha2beta2 heterotetramerin eukaryotes. In Gram-negative bacteria, e.g. Escherichia coli, PDC consists of a central cubic core made...
29 KB (3,340 words) - 20:01, 15 August 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 complex...
25 KB (2,981 words) - 05:27, 17 June 2024
Septic shock (section Gram-negative)
cases of septic shock are caused by gram-positive bacteria, followed by endotoxin-producing gram-negative bacteria, although fungal infections are an increasingly...
32 KB (3,599 words) - 15:04, 16 August 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) - 17:50, 20 August 2024
Quorum sensing (section Gram-negative bacteria)
Both gram-positive and gram-negative bacteria use quorum sensing, but there are some major differences in their mechanisms. For the bacteria to use...
81 KB (9,932 words) - 01:47, 22 August 2024
Bacterial capsule (redirect from Polysaccharide encapsulated bacteria)
various diseases. The capsule—which can be found in both gram negative and gram-positive bacteria—is different from the second lipid membrane – bacterial...
17 KB (1,776 words) - 03:44, 22 June 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
Acetic acid bacteria (AAB) are a group of Gram-negative bacteria which oxidize sugars or ethanol and produce acetic acid during fermentation. The acetic...
6 KB (618 words) - 19:03, 16 September 2023
peptidoglycan layer is substantially thicker in Gram-positive bacteria (20 to 80 nanometers) than in Gram-negative bacteria (7 to 8 nanometers). Depending on pH...
36 KB (4,018 words) - 09:29, 10 June 2024
types: Bacteria can enter the bloodstream in a number of different ways. However, for each major classification of bacteria (gram negative, gram positive...
35 KB (3,681 words) - 09:15, 23 May 2024
Bacteriocin (section From Gram negative bacteria)
bacteriocins found in the Gram-negative E. coli. Similar bacteriocins (CLBs, colicin-like bacteriocins) occur in other Gram-negative bacteria. CLBs typically target...
31 KB (3,480 words) - 17:29, 1 July 2024
Neisseria gonorrhoeae (redirect from Gram-negative intracellular diplococci)
gonococcus (singular) or gonococci (plural), is a species of Gram-negative diplococci bacteria isolated by Albert Neisser in 1879. It causes the sexually...
42 KB (4,576 words) - 20:11, 1 June 2024
Poly(ethylenimine) is also an effective permeabilizer of the outer membrane of Gram-negative bacteria. Both linear and branched polyethylenimine have been used for CO2...
22 KB (2,400 words) - 20:53, 11 June 2024
Protein targeting (section Gram-negative bacteria)
types of inclusions such as gas vesicles and storage granules. In gram-negative bacteria proteins may be incorporated into the plasma membrane, the outer...
52 KB (6,402 words) - 02:22, 14 August 2024
Genetic transformation (redirect from Transformation (bacteria))
80 species of bacteria were known to be capable of transformation, about evenly divided between Gram-positive and Gram-negative bacteria; the number might...
54 KB (6,777 words) - 01:56, 22 June 2024
Penicillin (category GABAA receptor negative allosteric modulators)
reduced permeability in bacteria, the mechanisms are different between Gram-positive and Gram-negative bacteria. In Gram-positive bacteria, blockage of penicillin...
98 KB (10,646 words) - 23:48, 3 August 2024
molecule's antibacterial properties. Beta-lactamases produced by Gram-negative bacteria are usually secreted, especially when antibiotics are present in...
53 KB (6,263 words) - 14:38, 30 May 2024
against "most gram-negative aerobic and facultative anaerobic bacilli" but not against gram-negative anaerobes and most gram-positive bacteria. They require...
24 KB (2,582 words) - 14:38, 15 July 2024