• Thumbnail for Gram-positive bacteria
    bacteriology, gram-positive bacteria are bacteria that give a positive result in the Gram stain test, which is traditionally used to quickly classify bacteria into...
    24 KB (2,653 words) - 14:36, 28 October 2024
  • 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) - 22:33, 4 September 2024
  • Thumbnail for Gram stain
    Gram stain (Gram staining or Gram's method), is a method of staining used to classify bacterial species into two large groups: gram-positive bacteria...
    28 KB (2,836 words) - 16:33, 3 November 2024
  • Thumbnail for Bacterial cellular morphologies
    arrangement of eight cocci such as Sarcina ventriculi. The gram-positive cocci are a large group of bacteria with similar morphology. All are spherical or nearly...
    24 KB (2,335 words) - 19:10, 22 October 2024
  • bacterial cell walls, those of Gram-positive bacteria and those of Gram-negative bacteria, which are differentiated by their Gram staining characteristics....
    35 KB (4,590 words) - 05:56, 9 November 2024
  • Thumbnail for Lactic acid bacteria
    order of gram-positive, low-GC, acid-tolerant, generally nonsporulating, nonrespiring, either rod-shaped (bacilli) or spherical (cocci) bacteria that share...
    28 KB (2,807 words) - 02:05, 9 November 2024
  • Thumbnail for Pyruvate dehydrogenase complex
    stoichiometry of E1:E2:E3 (monomers) = 32:24:16 In contrast, in Gram-positive bacteria (e.g. Bacillus stearothermophilus) and eukaryotes the central PDC...
    29 KB (3,340 words) - 07:13, 19 November 2024
  • the total cell volume of gram-negative bacteria, but is a much smaller percentage in gram-positive bacteria. Although bacteria are conventionally divided...
    20 KB (2,287 words) - 11:18, 19 July 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 Bacteriocin
    phenomenologically related. These include the bacteriocins from gram-positive bacteria, the colicins, the microcins, and the bacteriocins from Archaea...
    31 KB (3,540 words) - 05:46, 11 November 2024
  • 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 bacteria...
    13 KB (1,476 words) - 12:50, 13 January 2024
  • Thumbnail for MacConkey agar
    inhibits growth of gram-positive organisms with crystal violet and bile salts, allowing for the selection and isolation of gram-negative bacteria. The media detects...
    7 KB (688 words) - 20:17, 18 September 2024
  • Thumbnail for Bacterial capsule
    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 (1,785 words) - 22:12, 1 October 2024
  • Thumbnail for Bacillus
    Bacillus (redirect from Bacillus (bacteria))
    Bacillus (Latin "stick") is a genus of Gram-positive, rod-shaped bacteria, a member of the phylum Bacillota, with 266 named species. The term is also used...
    53 KB (4,741 words) - 08:15, 13 November 2024
  • Thumbnail for Endospore
    usually triggered by a lack of nutrients, and usually occurs in gram-positive bacteria. In endospore formation, the bacterium divides within its cell wall...
    28 KB (3,178 words) - 17:04, 30 October 2024
  • Thumbnail for Bacteria
    that classify bacteria into Gram-positive bacteria and Gram-negative bacteria. The names originate from the reaction of cells to the Gram stain, a long-standing...
    143 KB (15,534 words) - 20:00, 8 November 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...
    4 KB (427 words) - 20:16, 11 February 2023
  • changes in gene expression. Gram-positive bacteria use autoinducing peptides (AIP) as their autoinducers. When gram-positive bacteria detect high concentration...
    83 KB (10,171 words) - 05:27, 18 November 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
  • Thumbnail for Septic shock
    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
  • Thumbnail for Neomycin/polymyxin B/bacitracin
    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 (1,233 words) - 03:59, 5 October 2024
  • Bacteria may have a single plasma membrane (Gram-positive bacteria), or an inner membrane plus an outer membrane separated by the periplasm (Gram-negative...
    53 KB (6,406 words) - 07:06, 12 November 2024
  • types: Bacteria can enter the bloodstream in a number of different ways. However, for each major classification of bacteria (gram negative, gram positive, or...
    35 KB (3,681 words) - 09:15, 23 May 2024
  • Thumbnail for Linezolid
    infections caused by Gram-positive bacteria that are resistant to other antibiotics. Linezolid is active against most Gram-positive bacteria that cause disease...
    108 KB (10,601 words) - 21:38, 19 October 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 (2,812 words) - 05:51, 29 October 2024
  • Thumbnail for Eosin methylene blue
    identification of Gram-negative bacteria, specifically the Enterobacteriaceae. EMB inhibits the growth of most Gram-positive bacteria. EMB is often used...
    5 KB (430 words) - 09:42, 11 March 2024
  • Thumbnail for Doxycycline
    and urinary tract infections caused by Klebsiella species. Some Gram-positive bacteria have developed resistance to doxycycline. Up to 44% of Streptococcus...
    96 KB (9,320 words) - 19:17, 24 November 2024
  • Thumbnail for Corynebacterium
    Corynebacterium (/kɔːˈraɪnəbækˌtɪəriəm, -ˈrɪn-/) is a genus of Gram-positive bacteria and most are aerobic. They are bacilli (rod-shaped), and in some...
    54 KB (4,717 words) - 07:34, 11 November 2024
  • Thumbnail for Secretion
    cytoplasmic membrane by the twin-arginine translocation pathway (Tat). Gram-negative bacteria have two membranes, thus making secretion topologically more complex...
    26 KB (2,981 words) - 11:14, 25 October 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