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  1. Type and morphology. E. coli is a gram-negative, facultative anaerobe, nonsporulating coliform bacterium. Cells are typically rod-shaped, and are about 2.0 μm long and 0.25–1.0 μm in diameter, with a cell volume of 0.6–0.7 μm 3.

    • EPEC

      Introduction. E. coli and related bacteria constitute about...

    • Entamoeba COLI

      Entamoeba coli is a non-pathogenic species of Entamoeba that...

    • Gram-negative

      Microscopic image of gram-negative Pseudomonas aeruginosa...

  2. Jul 10, 2017 · Bacterial morphology is extremely diverse. Specific shapes are the consequence of adaptive pressures optimizing bacterial fitness. Shape affects critical biological functions, including nutrient acquisition, motility, dispersion, stress resistance and interactions with other organisms.

  3. Dec 31, 2022 · The five GTDB-recognized species within E. coli (E. coli, E. coli_E, E. ruysiae, Escherichia sp001660175, and Escherichia sp005843885) and the five other Escherichia species (E. albertii, E. fergusonii, E. marmotae, E. sp002965065, and E. sp004211955) were classified to multiple species-groups by PopCOGenT (supplementary table S1, Supplementary ...

    • Marta Cobo-Simón, Rowan Hart, Howard Ochman
    • Mol Biol Evol. 2023 Jan; 40(1): msac273.
    • 10.1093/molbev/msac273
    • 2023/01
  4. Jul 18, 2017 · The results reveal that the cylindrical part of Escherichia coli is composed of multi-domain morphological structures. The length of the domains starts at 150 nm in newborn cells, and linearly...

    • Sharareh Tavaddod, Hossein Naderi-Manesh
    • 2017
  5. Jan 1, 2008 · E. coli is Gram-negative and its envelope has three layers: cytoplasmic membrane, peptidoglycan, and outer membrane. The peptidoglycan is rigid determining the rod shape. To a good approximation, the E. coli cell has hemispherical caps and a cylindrical section in between.

    • Galina Reshes, Sharon Vanounou, Itzhak Fishov, Mario Feingold
    • 10.1529/biophysj.107.104398
    • 2008
    • Biophys J. 2008 Jan 1; 94(1): 251-264.
  6. We examined morphological phenotypes across the Escherichia coli K-12 deletion (Keio) collection at the mid-exponential growth phase, revealing 111 deletions perturbing shape. Interestingly,...

  7. Oct 3, 2016 · Much like metabolic and biosynthetic capabilities, morphology comprises a critical component of bacterial fitness, molded by natural selection into the many elaborate shapes observed across the bacterial domain.

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