• Thumbnail for Gram-negative bacteria
    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
  • Thumbnail for Gram-positive bacteria
    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
  • Thumbnail for Gram stain
    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
  • Thumbnail for Bacterial cellular morphologies
    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
  • Thumbnail for Pathogenic bacteria
    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
  • Thumbnail for Bacteria
    most bacteria can be classified as belonging to one of four groups (Gram-positive cocci, Gram-positive bacilli, Gram-negative cocci and Gram-negative bacilli)...
    143 KB (15,531 words) - 19:34, 31 July 2024
  • Thumbnail for Bacterial outer membrane
    The bacterial outer membrane is found in gram-negative bacteria. Gram-negative bacteria form two lipid bilayers in their cell envelopes - an inner membrane...
    11 KB (1,294 words) - 12:06, 14 August 2024
  • Thumbnail for Peritonitis
    viscus, mixed bacteria are isolated; the most common agents include Gram-negative bacilli (e.g., Escherichia coli) and anaerobic bacteria (e.g., Bacteroides...
    22 KB (2,109 words) - 16:50, 8 August 2024
  • 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
  • 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
  • Thumbnail for Lipopolysaccharide
    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) - 10:03, 16 July 2024
  • Thumbnail for Staphylococcus
    Staphylococcus is a genus of Gram-positive bacteria in the family Staphylococcaceae from the order Bacillales. Under the microscope, they appear spherical...
    27 KB (2,811 words) - 15:42, 2 August 2024
  • Thumbnail for Staining
    Staining (section Gram)
    violet stains both Gram positive and Gram negative organisms. Treatment with alcohol removes the crystal violet colour from gram negative organisms only....
    46 KB (5,308 words) - 00:08, 27 July 2024
  • Thumbnail for Coliform bacteria
    Coliform bacteria are defined as either motile or non-motile Gram-negative non-spore forming bacilli that possess β-galactosidase to produce acids and...
    16 KB (1,880 words) - 06:20, 27 May 2024
  • Thumbnail for MacConkey agar
    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) - 21:10, 26 March 2024
  • Thumbnail for Bacilli
    almost exclusively gram-positive bacteria. The name Bacillus, capitalized and italicized, refers to a specific genus of bacteria. The name Bacilli, capitalized...
    23 KB (423 words) - 13:55, 13 December 2023
  • Thumbnail for Broad-spectrum antibiotic
    major bacterial groups, Gram-positive and Gram-negative, or any antibiotic that acts against a wide range of disease-causing bacteria. These medications are...
    9 KB (1,032 words) - 13:35, 28 July 2024
  • and gram negative bacteria like high salt concentrations in Mannitol salt agar favor survival of any staphylococci present in a sample of gut bacteria, and...
    11 KB (1,414 words) - 15:06, 1 June 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
  • 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
  • Thumbnail for Sulfur-reducing bacteria
    S_{n+1}^{2-}+H^{+}} The Pseudomonadota are a  major phylum of gram-negative bacteria. There is a wide range of metabolisms. Most members are facultative...
    68 KB (7,635 words) - 17:07, 3 June 2024
  • Thumbnail for Morganella morganii
    Morganella morganii (category Gram-negative bacteria)
    Morganella morganii is a species of Gram-negative bacteria. It has a commensal relationship within the intestinal tracts of humans, mammals, and reptiles...
    14 KB (1,461 words) - 13:09, 6 August 2024
  • relatively broad spectrum, being effective against both Gram-negative and Gram-positive bacteria. The combination is available over the counter in the US...
    14 KB (1,229 words) - 07:18, 1 July 2024
  • Thumbnail for Aminoglycoside
    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
  • Thumbnail for Bdellovibrio
    Bdellovibrio (category Gram-negative bacteria)
    of Gram-negative, obligate aerobic bacteria. One of the more notable characteristics of this genus is that members can prey upon other Gram-negative bacteria...
    11 KB (1,310 words) - 00:53, 23 April 2024
  • Thumbnail for Antimicrobial spectrum
    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
  • Thumbnail for Pseudomonadota
    Pseudomonadota (category Gram-negative bacteria)
    is a major phylum of Gram-negative bacteria. Currently, they are considered the predominant phylum within the realm of bacteria. They are naturally found...
    43 KB (4,012 words) - 15:10, 8 July 2024