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) - 22:33, 4 September 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 (2,649 words) - 01:24, 25 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
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
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) - 05:14, 28 September 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
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 (7,185 words) - 14:54, 18 September 2024
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
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
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) - 00:07, 18 September 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 (1,784 words) - 00:56, 29 September 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
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
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) - 18:24, 24 September 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 (688 words) - 20:17, 18 September 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
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
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
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
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 (9,940 words) - 17:38, 25 September 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) - 13:37, 8 September 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) - 20:21, 17 September 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
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 (10,637 words) - 21:20, 30 September 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 (3,478 words) - 12:21, 1 September 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...
43 KB (4,712 words) - 15:01, 13 September 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
drug, doxycycline may be used to treat these infections caused by Gram-negative bacteria: Escherichia coli infections, Enterobacter aerogenes (formerly Aerobacter...
96 KB (9,312 words) - 04:22, 15 September 2024
available. It is indicated for the treatment of multi-drug-resistant Gram-negative bacteria including Pseudomonas aeruginosa. It is given by injection into...
25 KB (2,308 words) - 04:14, 28 September 2024
inhibit Gram positive bacteria and some Gram negative bacteria; narrow-spectrum antibiotic can only kill or inhibit limited species of bacteria. Currently...
6 KB (549 words) - 20:45, 10 June 2024