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  1. Endo agar - Wikipedia › wiki › Endo_agar

    Endo agar (also called Endo's medium) is a microbiological growth medium with a faint pink colour. Originally developed for the isolation of Salmonella typhi, it is now used mostly as a coliform medium. Most gram-negative organisms grow well in this medium, while growth of gram-positive organisms is inhibited.

  2. Coliform bacteria - Wikipedia › wiki › Coliform_bacteria

    Strong lactose fermenters will appear as dark blue/purple/black, and E.coli (which also ferments lactose) colonies will be dark colored, but will also appear to have a metallic green sheen. Other coliform bacteria will appear as thick, slimy colonies, with non-fermenters being colorless, and weak fermenters being pink.

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    What is the morphology of E coli?

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  4. Escherichia coli colony morphology and microscopic appearance ... › escherichia coli

    Escherichia coli. Four different strains of Escherichia coli on Endo agar with biochemical slope . Glucose fermentation with gas production, urea and H 2 S negative, lactose positive (with exception of strain D - "late lactose fermenter"; on Endo agar it looks like lactose negative).

  5. Morphology & Culture Characteristics of Escherichia coli (E ... › escherichia-coli › morphology

    MORPHOLOGY OF ESCHERICHIA COLI (E. COLI) 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.

  6. Escherichia coli (E. coli)- An Overview | Microbe Notes › escherichia-coli-e-coli

    Dec 23, 2020 · Morphology of E. coli. E. coli is gram-negative (-ve) rod-shaped bacteria. It is 1-3 x 0.4-0.7 µm in size and 0.6 to 0.7 µm in volume. It is arranged singly or in pairs. It is motile due to peritrichous flagella. Some strains are non-motile. Some strains may be fimbriated.

  7. Exonuclease - Wikipedia › wiki › Exonuclease

    Significance to polymerase. RNA polymerase II is known to be in effect during transcriptional termination; it works with a 5' exonuclease (human gene Xrn2) to degrade the newly formed transcript downstream, leaving the polyadenylation site and simultaneously shooting the polymerase.

  8. Entamoeba histolytica - Wikipedia › wiki › Entamoeba_histolytica

    Entamoeba histolytica is an anaerobic parasitic amoebozoan, part of the genus Entamoeba. Predominantly infecting humans and other primates causing amoebiasis, E. histolytica is estimated to infect about 35-50 million people worldwide.

  9. Morphogenesis of Escherichia coli | Microbiology and ... › content › 62/1/110

    SUMMARY The shape of Escherichia coli is strikingly simple compared to those of higher eukaryotes. In fact, the end result of E. coli morphogenesis is a cylindrical tube with hemispherical caps. It is argued that physical principles affect biological forms.

  10. XLD agar - Wikipedia › wiki › XLD_agar

    Other Enterobacteria such as E. coli will ferment the lactose present in the medium to an extent that will prevent pH reversion by decarboxylation and acidify the medium turning it yellow. Salmonella species: red colonies, some with black centers. The agar itself will turn red due to the presence of Salmonella type colonies.

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