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1991•FEMS Microbiology LettersOpen access

Hemin-binding property of Porphyromonas gingivalis outer membranes

Daniel Grenier

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Abstract

The present study indicates that the outer membranes of Porphyromonas gingivalis have a high affinity for hemin, an essential growth factor for this suspected periodontal pathogen.The hemin-binding property appears to be mediated by the lipopolysaccharides, particularly the fipid A region.It is suggested that this binding mechanism may be important for the growth and establishment of P. gingivalis in environments with a low heroin content such as periodontal pockets.

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The present study indicates that the outer membranes of Porphyromonas gingivalis have a high affinity for hemin, an essential growth factor for this suspected periodontal pathogen.The hemin-binding property appears to be mediated by the lipopolysaccharides, particularly the fipid A region.It is suggested that this binding mechanism may be important for the growth and establishment of P. gingivalis in environments with a low heroin content such as periodontal pockets.

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Available abstract

The present study indicates that the outer membranes of Porphyromonas gingivalis have a high affinity for hemin, an essential growth factor for this suspected periodontal pathogen.The hemin-binding property appears to be mediated by the lipopolysaccharides, particularly the fipid A region.It is suggested that this binding mechanism may be important for the growth and establishment of P. gingivalis in environments with a low heroin content such as periodontal pockets.

Key concepts: Hemin, Porphyromonas gingivalis, Bacterial outer membrane, Bacteroidaceae, Chemistry, Membrane, Microbiology, Periodontal pathogen

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