Susceptibilities of Oral Bacteria and Yeast to Mammalian Cathelicidins

Author:

Guthmiller Janet M.12,Vargas Kaaren G.32,Srikantha Rupasree2,Schomberg Lori L.2,Weistroffer Paula L.2,McCray Paul B.4,Tack Brian F.5

Affiliation:

1. Departments of Periodontics1 and

2. Dows Institute for Dental Research,2

3. Pediatric Dentistry3 and

4. College of Dentistry, and Departments of Pediatrics4 and

5. Microbiology,5 College of Medicine, University of Iowa, Iowa City, Iowa

Abstract

ABSTRACT The effects of cathelicidins against oral bacteria and clinically important oral yeasts are not known. We tested the susceptibilities of Actinobacillus actinomycetemcomitans , Fusobacterium nucleatum , Porphyromonas gingivalis , Streptococcus sanguis , Candida krusei , Candida tropicalis and Candida albicans to the following cathelicidins: FALL39, SMAP29, and CAP18. SMAP29 and CAP18 were antimicrobial, whereas FALL39 did not exhibit antimicrobial activity. Future studies are needed to determine the potential use of these antimicrobial peptides in prevention and treatment of oral infections.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

Reference25 articles.

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3. A novel peptide-IgG conjugate, CAP18 (106–138)-IgG, that binds and neutralizes endotoxin and kills gram-negative bacteria.;Fletcher M. A.;J. Infect. Dis.,1997

4. The expression of the gene coding for the antibacterial peptide LL37 is induced in human keratinocytes during inflammatory disorders.;Frohm R. W.;J. Biol. Chem.,1997

5. Antimicrobial peptides of phagocytes and epithelia.;Ganz T.;Semin. Hematol.,1997

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