J
John D. F. Hale
Researcher at University of British Columbia
Publications - 29
Citations - 2149
John D. F. Hale is an academic researcher from University of British Columbia. The author has contributed to research in topics: Streptococcus salivarius & Probiotic. The author has an hindex of 17, co-authored 25 publications receiving 1847 citations. Previous affiliations of John D. F. Hale include University of Otago.
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Journal ArticleDOI
Alternative mechanisms of action of cationic antimicrobial peptides on bacteria
TL;DR: In this paper, an updated review of how cationic antimicrobial peptides are able to affect bacterial killing, with a focus on internal targets, is presented, where some peptides clearly act differently and other intracellular target sites have been identified.
Journal ArticleDOI
Effects of net charge and the number of positively charged residues on the biological activity of amphipathic α-helical cationic antimicrobial peptides
Ziqing Jiang,Adriana I. Vasil,John D. F. Hale,Robert E. W. Hancock,Michael L. Vasil,Robert S. Hodges +5 more
TL;DR: The results show that the number of positively charged residues on the polar face and net charge are both important for both antimicrobial activity and hemolytic activity.
Book ChapterDOI
Effects of net charge and the number of positively charged residues on the biological activity of amphipathic alpha-helical cationic antimicrobial peptides.
Ziqing Jiang,Adriana I. Vasil,John D. F. Hale,Robert E. W. Hancock,Michael L. Vasil,Robert S. Hodges +5 more
TL;DR: The results show that the number of positively charged residues on the polar face and net charge are both important for both antimicrobial activity and hemolytic activity.
Journal ArticleDOI
Influence of the probiotic Streptococcus salivarius strain M18 on indices of dental health in children: a randomized double-blind, placebo-controlled trial
Jeremy P. Burton,Jeremy P. Burton,Bernadette K. Drummond,Chris N. Chilcott,John R. Tagg,W. Murray Thomson,John D. F. Hale,Philip A. Wescombe +7 more
TL;DR: It was concluded that S. salivarius M18 can provide oral health benefits when taken regularly and the absence of any significant adverse events supported the safety of the probiotic treatment.
Journal ArticleDOI
Developing oral probiotics from Streptococcus salivarius
TL;DR: Strain K12, the prototype S. salivarius probiotic, originally introduced to counter Streptococcus pyogenes infections, now has an expanded repertoire of health-promoting applications, and other potential applications include upregulation of immunological defenses against respiratory viral infections and treatment of oral candidosis.