Experiment 1- Colony and Cell Morphology PDF

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Summary

Study notes ...

Description

Organism

Colony morphology

Escherichia coli

Form

circular

Margin

entire, becoming undulate when larger

Surface Texture Color

smooth cream

Form

circular

Margin Surface Texture Color

entire when small,(undulate) when large smooth cream

Form

circular, small, untiorm

Margin Surface Texture Color

entire smooth white

Form

circular, small,

Margin Surface Texture Color

entire smooth cream or white

Form

circular

Margin Surface Texture Color

entire smooth yellow

Form

circular

Margin Surface Texture Color

entire, undulate when larger smooth cream, late dar in areas

Enterobacter aerogenes

Staphylococcus epidermidis

Enterococcus faecalis

Staphylococcus aureus

Proteus vulgaris

Organism

Gram reaction

Cell Shape Arrangement rod single or pairs rod single

Escherichia coli

Gram negative

Enterobacter aerogenes

Gram negative

Enterococcus faecalis

Gram positive

Elongated cocci in pairs or short chains

Staphylococcus aureus

Gram positive

Staphylococcus epidermidis

Gram positive

Proteus vulgaris

Gram negative

coccus (spheres) clusters coccus pairs and tetrads (group of four), occasionally single rod (motile)

Habitat and importance Intestinal tracks, gut flora colon, feces Human intestinal track, waste, hygienic chemicals and soil Some commercial significance in molasses making Human and animal feces, Common in nonsterile food, pathogen in urinary tract infection and subacute endocarditis Normal flora, skin, nose, pathogenic Skin, mucous membrane, forms biofilm and adheres to instruments etc. Intestinal tracks of animals, urinary track infection, wound infection...