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  1. en.wikipedia.org › wiki › Escherichia_coliEscherichia coli - Wikipedia

    Escherichia coli ( / ˌɛʃəˈrɪkiə ˈkoʊlaɪ / ESH-ə-RIK-ee-ə KOH-ly) [1] [2] is a gram-negative, facultative anaerobic, rod-shaped, coliform bacterium of the genus Escherichia that is commonly found in the lower intestine of warm-blooded organisms. [3] [4] Most E. coli strains are harmless, but some serotypes such as EPEC, and ETEC are ...

    • EPEC

      Escherichia coli (/ ˌ ɛ ʃ ə ˈ r ɪ k i ə ˈ k oʊ l aɪ /...

    • Entamoeba COLI

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

    • Gram-negative

      Microscopic image of gram-negative Pseudomonas aeruginosa...

  2. paramedicsworld.com › escherichia-coli › morphologyMorphology & Culture Characteristics of Escherichia coli (E ...

    May 17, 2018 · Shape – Escherichia coli is a straight, rod shape (bacillus) bacterium. Size – The size of Escherichia coli is about 1–3 µm × 0.4–0.7 µm (micrometer). Arrangement Of Cells – Escherichia coli is arranged singly or in pairs. Motility – Escherichia coli is a motile bacterium. Some strains of E. coli are non-motile.

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  4. en.wikipedia.org › wiki › Fecal_coliformFecal coliform - Wikipedia

    Coliform bacteria generally originate in the intestines of warm-blooded animals. Fecal coliforms are capable of growth in the presence of bile salts or similar surface agents, are oxidase negative, and produce acid and gas from lactose within 48 hours at 44 ± 0.5°C. [1] The term thermotolerant coliform is more correct and is gaining ...

  5. www.ncbi.nlm.nih.gov › pmc › articlesEscherichia Coli: What Is and Which Are? - PMC

    Dec 31, 2022 · Escherichia coli have served as important model organisms for over a century—used to elucidate key aspects of genetics, evolution, molecular biology, and pathogenesis. However, defining which strains actually belong to this species is erratic and unstable due to shifts in the characters and criteria used to distinguish bacterial species.

    • Marta Cobo-Simón, Rowan Hart, Howard Ochman
    • Mol Biol Evol. 2023 Jan; 40(1): msac273.
    • 10.1093/molbev/msac273
    • 2023/01

  6. www.intechopen.com › chapters › 84764Escherichia coli : An Overview of Main Characteristics

    Nov 11, 2022 · Escherichia coli is a type of bacteria that lives in many places in the environment, including the gastrointestinal system of humans and warm-blooded animals, where it is part of the gut microbiota. Some strains of E. coli can be administered as probiotics and are known to have a positive effect on host health. However, some strains can be pathogenic, causing intestinal and extraintestinal ...

    • cavaquinho wikipedia e coli morphology and arrangement of food groups test1
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  7. www.ncbi.nlm.nih.gov › pmc › articlesPhenotypic and Phylogenetic Identification of Coliform ...

    Aug 7, 2015 · INTRODUCTION. Total coliform bacteria and Escherichia coli are considered cost-effective bacterial indicators for the protection of public health. Detectable total coliforms indicate potential contamination associated with the water distribution system, while E. coli is a good indicator of fecal contamination, with a health goal (i.e., maximum contaminant level goal [MCLG]) of zero under the ...

  8. en.wikipedia.org › wiki › Bacterial_cellularBacterial cellular morphologies - Wikipedia

    Arrangements. Coccoid bacteria often occur in characteristic arrangements and these forms have specific names as well; listed here are the basic forms as well as representative bacterial genera: pairs or diplococci (e.g. Neisseria spp.) groups of four or eight known respectively as tetrads and sarcina (e.g. Micrococcus spp.)