Document Type : Research Paper

Author

University of Baghdad - College of Science

10.37652/juaps.2012.62767

Abstract

The effect of different 16 chemical compounds belonging to various categories, Organic and inorganic salts, detergents, surfactants, nutrients, carbohydrates and antiseptics, also, watery extractions of black tea and Arabian coffee were tested against swarming phenomenon of clinical isolates of Proteus mirabilis by central spot inoculation method. Triton X100, tris base, watery extract of black tea ,yeast extract and Glucose were appeared stimulatory effect on swarming diameter of P. mirabilis since it increased at 25, 49, 72, 77, 90 mm respectively with concentration increase, On contrary sodium acetate, sodium chloride, sucrose, EDTA, Tween 80 and phenol showed inhibitory effect on swarming diameter at 14, 12, 11, 10, 8, 1 mm respectively in comparison to swarming diameter of the control colony 17 mm. However starch, watery extract of Arabian coffee, SDS and peptone revealed various behavior against swarming. The extent of swarming differed according to tested chemical compounds, their concentration and the bacterial strains. Most of the compounds that inhibited swarming were those acted on flagellar mechanism and motility.

Keywords

Main Subjects

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