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[Effect of para-aminobenzonic acid (PABA) on cell-surface hydrophobicity of Streptococcus mutans]. 2004

Yan-hong Li, and Xue-dong Zhou, and Xiao-rong Xiao, and Ji-yao Li, and Qian Liu, and Gang Li
Dept. of Preventive Dentistry, First Affiliated Hospital, Kunming Medical University, Kunming 650031, China.

OBJECTIVE To study the effect of Para-aminobenzonic acid on cell-surface hydrophobicity of Streptococcus mutans. METHODS Microbial adhesion to hydrocarbons (MATH) was used to measure the cell-surface hydrophobicity of Streptococcus mutans which grew in modified Carlsson medium with different dilutions of PABA. RESULTS The cell-surface hydrophobicity of Streptococcus mutans increased when Carlsson medium contained low dilution of PABA. But following the increase of PABA, the cell-surface hydrophobicity decreased. CONCLUSIONS Para-aminobenzonic acid could inhibit the adherence of Streptococcus mutans through changing its cell-surface hydrophobicity.

UI MeSH Term Description Entries
D010129 4-Aminobenzoic Acid An aminobenzoic acid isomer that combines with pteridine and GLUTAMIC ACID to form FOLIC ACID. The fact that 4-aminobenzoic acid absorbs light throughout the UVB range has also resulted in its use as an ingredient in SUNSCREENS. PABA,p-Aminobenzoic Acid,para-Aminobenzoic Acid,4-Aminobenzoic Acid, Potassium Salt,Aminobenzoic Acid (USP),Epit Vit,Epitelplast,Hachemina,Magnesium para-Aminobenzoate,Pabasan,Paraminan,Paraminol,Potaba,Potassium 4-Aminobenzoate,Potassium Aminobenzoate,4 Aminobenzoic Acid,4 Aminobenzoic Acid, Potassium Salt,4-Aminobenzoate, Potassium,Aminobenzoate, Potassium,Potassium 4 Aminobenzoate,p Aminobenzoic Acid,para Aminobenzoic Acid,para-Aminobenzoate, Magnesium
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001422 Bacterial Adhesion Physicochemical property of fimbriated (FIMBRIAE, BACTERIAL) and non-fimbriated bacteria of attaching to cells, tissue, and nonbiological surfaces. It is a factor in bacterial colonization and pathogenicity. Adhesion, Bacterial,Adhesions, Bacterial,Bacterial Adhesions
D013295 Streptococcus mutans A polysaccharide-producing species of STREPTOCOCCUS isolated from human dental plaque.
D057927 Hydrophobic and Hydrophilic Interactions The thermodynamic interaction between a substance and WATER. Hydrophilic Interactions,Hydrophilic and Hydrophobic Interactions,Hydrophilicity,Hydrophobic Interactions,Hydrophobicity,Hydrophilic Interaction,Hydrophilicities,Hydrophobic Interaction,Hydrophobicities,Interaction, Hydrophilic,Interaction, Hydrophobic,Interactions, Hydrophilic,Interactions, Hydrophobic

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